def test_delete_smrlog_after_redis_restart(self):
        util.print_frame()

        server = self.cluster['servers'][0]
        redis = telnetlib.Telnet(server['ip'], server['redis_port'])

        val = 'x' * 1048576
        cmd = '*3\r\n$3\r\nset\r\n$4\r\ntest\r\n$1048576\r\n%s\r\n' % val

        # create smr log file
        for i in xrange(640):
            redis.write(cmd)
            ret = redis.read_until('\r\n', 3)
            self.assertEquals(ret, '+OK\r\n')

        # wait until synced
        if config.opt_use_memlog:
            time.sleep(3)

        loglist = [
            f for f in os.listdir('%s/log0' % util.smr_dir(0)) if '.log' in f
        ]
        util.log('before log delete')
        util.log(loglist)

        self.assertTrue(len(loglist) > 10)

        self.bgsave(redis)

        testbase.request_to_shutdown_redis(server)
        testbase.request_to_shutdown_smr(server)

        testbase.request_to_start_smr(server, log_delete_delay=1)
        testbase.request_to_start_redis(server)

        time.sleep(30)
        loglist = [
            f for f in os.listdir('%s/log0' % util.smr_dir(0)) if '.log' in f
        ]
        util.log('after log delete')
        util.log(loglist)

        # wait until synced
        if config.opt_use_memlog:
            time.sleep(3)

        self.assertTrue(len(loglist) < 5)
    def test_delete_smrlog_after_redis_restart(self):
        util.print_frame()

        server = self.cluster['servers'][0]
        redis = telnetlib.Telnet(server['ip'], server['redis_port'])

        val = 'x' * 1048576
        cmd = '*3\r\n$3\r\nset\r\n$4\r\ntest\r\n$1048576\r\n%s\r\n' % val

        # create smr log file
        for i in xrange(640):
            redis.write(cmd)
            ret = redis.read_until('\r\n', 3)
            self.assertEquals(ret, '+OK\r\n')

        # wait until synced
        if config.opt_use_memlog:
            time.sleep(3)

        loglist = [f for f in os.listdir('%s/log0' % util.smr_dir(0)) if '.log' in f]
        util.log('before log delete')
        util.log(loglist)

        self.assertTrue(len(loglist) > 10)

        self.bgsave(redis)

        testbase.request_to_shutdown_redis(server)
        testbase.request_to_shutdown_smr(server)

        testbase.request_to_start_smr(server, log_delete_delay=1)
        testbase.request_to_start_redis(server)

        time.sleep(30)
        loglist = [f for f in os.listdir('%s/log0' % util.smr_dir(0)) if '.log' in f]
        util.log('after log delete')
        util.log(loglist)

        # wait until synced
        if config.opt_use_memlog:
            time.sleep(3)

        self.assertTrue(len(loglist) < 5)
def initialize_starting_up_smr_before_redis( cluster, verbose=2, conf=None ):
    if conf == None:
        conf = {'smr_log_delete_delay':86400,
                'cm_context':''}
    if conf.has_key('smr_log_delete_delay') == False:
        conf['smr_log_delete_delay'] = 86400
    if conf.has_key('cm_context') == False:
        conf['cm_context'] = ''

    if testbase.cleanup_zookeeper_root() is not 0:
        util.log('failed to cleanup_zookeeper_root')
        return -1

    if testbase.cleanup_processes() is not 0:
        util.log('failed to cleanup_test_environment')
        return -1

    for server in cluster['servers']:
        if testbase.cleanup_pgs_log_and_ckpt( cluster['cluster_name'], server ) is not 0:
            util.log( 'failed to cleanup_pgs_data' )
            return -1

    for server in cluster['servers']:
        if testbase.request_to_start_cm( server['id'], server['cm_port'], conf['cm_context'] ) is not 0:
            util.log('failed to request_to_start_cm')
            return -1

    if testbase.initialize_cluster( cluster ) is not 0:
        util.log('failed to setup_znodes')
        return -1

    for server in cluster['servers']:
        if testbase.request_to_start_smr( server, verbose=verbose, log_delete_delay=conf['smr_log_delete_delay'] ) is not 0:
            return -1

    for server in cluster['servers']:
        if testbase.request_to_start_redis( server, check=False ) is not 0:
            return -1

    for server in cluster['servers']:
        if testbase.wait_until_finished_to_set_up_role( server ) is not 0:
            return -1

    for server in cluster['servers']:
        if testbase.request_to_start_gateway( cluster['cluster_name'], server, cluster['servers'][0] ) is not 0:
            util.log('failed to request_to_start_gateway')
            return -1

    return 0
Example #4
0
    def failover(self, server):
        # shutdown
        ret = testbase.request_to_shutdown_smr(server)
        self.assertEqual(ret, 0, 'failed to shutdown smr')
        ret = testbase.request_to_shutdown_redis(server)
        self.assertEquals(ret, 0, 'failed to shutdown redis')

        # check state F
        max_try = 20
        expected = 'F'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s' %
            (server['id'], state, expected))

        # recovery
        ret = testbase.request_to_start_smr(server)
        self.assertEqual(ret, 0, 'failed to start smr')

        ret = testbase.request_to_start_redis(server)
        self.assertEqual(ret, 0, 'failed to start redis')

        ret = testbase.wait_until_finished_to_set_up_role(server, 10)
        self.assertEquals(ret, 0,
                          'failed to role change. smr_id:%d' % (server['id']))

        redis = redis_mgmt.Redis(server['id'])
        ret = redis.connect(server['ip'], server['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        # check state N
        max_try = 20
        expected = 'N'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        role = util.get_role_of_server(server)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s, role:%s' %
            (server['id'], state, expected, role))
    def failover( self, server ):
        # shutdown
        ret = testbase.request_to_shutdown_smr( server )
        self.assertEqual( ret, 0, 'failed to shutdown smr' )
        ret = testbase.request_to_shutdown_redis( server )
        self.assertEquals( ret, 0, 'failed to shutdown redis' )

        # check state F
        max_try = 20
        expected = 'F'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s' % (server['id'], state, expected) )

        # recovery
        ret = testbase.request_to_start_smr( server )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( server )
        self.assertEqual( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( server, 10 )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server['id']) )

        redis = redis_mgmt.Redis( server['id'] )
        ret = redis.connect( server['ip'], server['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        # check state N
        max_try = 20
        expected = 'N'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        role = util.get_role_of_server( server )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s, role:%s' % (server['id'], state, expected, role) )
    def deprecated_test_5_PGS_commit_is_greater_than_PG_commit( self ):
        util.print_frame()

        # get gateway info
        ip, port = util.get_rand_gateway( self.cluster )
        gw = gateway_mgmt.Gateway( self.cluster['servers'][0]['id'] )
        ret = gw.connect( ip, port )
        self.assertEqual( ret, 0, 'failed to connect to gateway, %s:%d' % (ip, port) )

        # initial data
        util.put_some_data(self.cluster)

        master, s1, s2 = util.get_mss(self.cluster)

        server_to_join = [s1, s2]
        # shutdown slaves
        for i in range(0, 2):
            ret = testbase.request_to_shutdown_smr( server_to_join[i] )
            self.assertEqual( ret, 0, 'failed to shutdown smr%d' % server_to_join[i]['id'])
            util.log('succeeded to shutdown smr%d' % server_to_join[i]['id'])

            ret = testbase.request_to_shutdown_redis( server_to_join[i] )
            self.assertEquals( ret, 0, 'failed to shutdown redis' )
            util.log('succeeded to shutdown redis%d' % server_to_join[i]['id'])

            # check state F
            max_try = 20
            expected = 'F'
            for j in range( 0, max_try):
                state = util.get_smr_state( server_to_join[i], self.leader_cm )
                if expected == state:
                    break;
                time.sleep( 1 )
            self.assertEquals( expected , state,
                               'server%d - state:%s, expected:%s' % (server_to_join[i]['id'], state, expected) )

        # put more data
        util.put_some_data(self.cluster, 10, 256)

        # bgsave
        ret = util.bgsave(master)
        self.assertTrue(ret, 'failed to bgsave. pgs%d' % master['id'])

        # shutdown master
        ret = testbase.request_to_shutdown_smr( master )
        self.assertEqual( ret, 0, 'failed to shutdown smr' )
        util.log('succeeded to shutdown master smr, id=%d' % master['id'])
        ret = testbase.request_to_shutdown_redis( master )
        self.assertEquals( ret, 0, 'failed to shutdown redis' )
        util.log('succeeded to shutdown master redis, id=%d' % master['id'])

        # check state F
        max_try = 20
        expected = 'F'
        for i in range( 0, max_try):
            state = util.get_smr_state( master, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s' % (master['id'], state, expected) )

        # recovery slaves
        for i in range(0, 2):
            ret = testbase.request_to_start_smr( server_to_join[i] )
            self.assertEqual( ret, 0, 'failed to start smr' )

            ret = testbase.request_to_start_redis( server_to_join[i] )
            self.assertEqual( ret, 0, 'failed to start redis' )

            ret = testbase.wait_until_finished_to_set_up_role( server_to_join[i], 10 )
            self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server_to_join[i]['id']) )

            # check state N
            max_try = 20
            expected = 'N'
            for j in range( 0, max_try):
                state = util.get_smr_state( server_to_join[i], self.leader_cm )
                if expected == state:
                    break;
                time.sleep( 1 )
            role = util.get_role_of_server( server_to_join[i] )
            self.assertEquals( expected , state,
                               'server%d - state:%s, expected:%s, role:%s' % (server_to_join[i]['id'], state, expected, role) )

        # set value
        s = random.choice(server_to_join)
        redis = redis_mgmt.Redis( ['id'] )
        ret = redis.connect( s['ip'], s['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        key_base = 'key_test'
        for i in range(0, 10000):
            cmd = 'set %s%d %d\r\n' % (key_base, i, i)
            redis.write( cmd )
            res = redis.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n' )
        redis.disconnect()

        for i in range(0, 2):
            redis = redis_mgmt.Redis( server_to_join[i]['id'] )
            ret = redis.connect( server_to_join[i]['ip'], server_to_join[i]['redis_port'] )
            self.assertEquals( ret, 0, 'failed to connect to redis' )

            # check value
            for j in range(0, 10000):
                cmd = 'get %s%d\r\n' % (key_base, j)
                redis.write( cmd )
                redis.read_until( '\r\n'  )
                response = redis.read_until( '\r\n'  )
                self.assertEqual( response, '%d\r\n' % (j), 'inconsistent %s, %d' % (response[:-2], j) )

        # try to recover master, but failed
        ret = testbase.request_to_start_smr( master )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( master, False )
        self.assertEqual( ret, 0, 'failed to start redis' )

        max_try = 3
        expected = 'N'
        for i in range( 0, max_try):
            state = util.get_smr_state( master, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        role = util.get_role_of_server( master )
        self.assertNotEqual( expected, state,
                             'server%d - state:%s, expected:not %s, role:%s' % (master['id'], state, expected, role) )
        util.log('success : the old master that has a greater commit-seq than the current master tried to join as a slave, but it is blocked successfully.')

        gw.disconnect()
        return 0
    def failure_recovery( self, role, wait_count=10, redis_only=False ):
        time.sleep( 2 )

        # get gateway info
        ip, port = util.get_rand_gateway( self.cluster )
        gw = gateway_mgmt.Gateway( self.cluster['servers'][0]['id'] )
        ret = gw.connect( ip, port )
        self.assertEqual( ret, 0, 'failed to connect to gateway, %s:%d' % (ip, port) )

        # set value
        key = 'new_key_haha'
        cmd = 'set %s 12345\r\n' % (key)
        gw.write( cmd )
        res = gw.read_until( '\r\n' )
        self.assertEquals( res, '+OK\r\n' )

        # shutdown
        server = util.get_server_by_role( self.cluster['servers'], role )

        if redis_only == False:
            ret = testbase.request_to_shutdown_smr( server )
            self.assertEqual( ret, 0, 'failed to shutdown smr' )

        ret = testbase.request_to_shutdown_redis( server )
        self.assertEquals( ret, 0, 'failed to shutdown redis' )

        # check state F
        max_try = 20
        expected = 'F'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s' % (server['id'], state, expected) )

        # set value
        check_value = '54321'
        cmd = 'set %s %s\r\n' % (key, check_value)
        gw.write( cmd )
        res = gw.read_until( '\r\n' )
        self.assertEquals( res, '+OK\r\n' )
        gw.disconnect()

        # recovery
        if redis_only == False:
            ret = testbase.request_to_start_smr( server )
            self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( server )
        self.assertEqual( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( server, wait_count )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server['id']) )

        redis = redis_mgmt.Redis( server['id'] )
        ret = redis.connect( server['ip'], server['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        # check state N
        max_try = 20
        expected = 'N'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        role = util.get_role_of_server( server )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s, role:%s' % (server['id'], state, expected, role) )

        # check value
        cmd = 'get %s\r\n' % (key)
        redis.write( cmd )
        redis.read_until( '\r\n'  )
        response = redis.read_until( '\r\n'  )
        self.assertEqual( response, '%s\r\n' % (check_value), 'inconsistent %s, %s' % (response, check_value) )
Example #8
0
    def test_4_PGS_mgen_is_less_than_PG_mgen(self):
        util.print_frame()

        # get gateway info
        ip, port = util.get_rand_gateway(self.cluster)
        gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
        ret = gw.connect(ip, port)
        self.assertEqual(ret, 0,
                         'failed to connect to gateway, %s:%d' % (ip, port))

        # initial data
        util.put_some_data(self.cluster)

        # shutdown
        server_to_join = util.get_server_by_role(self.cluster['servers'],
                                                 'master')
        ret = testbase.request_to_shutdown_smr(server_to_join)
        self.assertEqual(ret, 0, 'failed to shutdown smr')
        ret = testbase.request_to_shutdown_redis(server_to_join)
        self.assertEquals(ret, 0, 'failed to shutdown redis')

        # check state F
        max_try = 20
        expected = 'F'
        for i in range(0, max_try):
            state = util.get_smr_state(server_to_join, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s' %
            (server_to_join['id'], state, expected))

        # set value
        key_base = 'mw'
        for i in range(0, 10000):
            cmd = 'set %s%d %d\r\n' % (key_base, i, i)
            gw.write(cmd)
            res = gw.read_until('\r\n')
            self.assertEquals(res, '+OK\r\n')

        # master failover 1 (master generation + 1)
        util.log('master failover 1')
        server = util.get_server_by_role(self.cluster['servers'], 'master')
        self.failover(server)

        # check quorum (copy:3, quorum:1, available:2)
        ok = False
        for i in xrange(10):
            ok = util.check_quorum(self.cluster['cluster_name'],
                                   self.leader_cm['ip'],
                                   self.leader_cm['cm_port'])
            if ok:
                break
            else:
                time.sleep(1)
        self.assertTrue(ok, 'Check quorum fail.')

        # master failover 2 (master generation + 1)
        util.log('master failover 2')
        server = util.get_server_by_role(self.cluster['servers'], 'master')
        self.failover(server)

        # recovery
        util.log('master recovery start.')
        ret = testbase.request_to_start_smr(server_to_join)
        self.assertEqual(ret, 0, 'failed to start smr')

        ret = testbase.request_to_start_redis(server_to_join)
        self.assertEqual(ret, 0, 'failed to start redis')

        ret = testbase.wait_until_finished_to_set_up_role(server_to_join, 10)
        self.assertEquals(
            ret, 0,
            'failed to role change. smr_id:%d' % (server_to_join['id']))
        util.log('master recovery end successfully.')

        # check state N
        max_try = 20
        expected = 'N'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        role = util.get_role_of_server(server)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s, role:%s' %
            (server['id'], state, expected, role))

        time.sleep(5)

        # set value
        for i in range(10000, 20000):
            cmd = 'set %s%d %d\r\n' % (key_base, i, i)
            gw.write(cmd)
            res = gw.read_until('\r\n')
            self.assertEquals(res, '+OK\r\n')

        server = util.get_server_by_role(self.cluster['servers'], 'master')

        redis = redis_mgmt.Redis(server_to_join['id'])
        ret = redis.connect(server_to_join['ip'], server_to_join['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        # check value
        for i in range(0, 20000):
            cmd = 'get %s%d\r\n' % (key_base, i)
            redis.write(cmd)
            redis.read_until('\r\n')
            response = redis.read_until('\r\n')
            self.assertEqual(response, '%d\r\n' % (i),
                             'inconsistent %s, %d' % (response[:-2], i))

        gw.disconnect()
        return 0
    def test_4_PGS_mgen_is_less_than_PG_mgen( self ):
        util.print_frame()

        # get gateway info
        ip, port = util.get_rand_gateway( self.cluster )
        gw = gateway_mgmt.Gateway( self.cluster['servers'][0]['id'] )
        ret = gw.connect( ip, port )
        self.assertEqual( ret, 0, 'failed to connect to gateway, %s:%d' % (ip, port) )

        # initial data
        util.put_some_data(self.cluster)

        # shutdown
        server_to_join = util.get_server_by_role( self.cluster['servers'], 'master' )
        ret = testbase.request_to_shutdown_smr( server_to_join )
        self.assertEqual( ret, 0, 'failed to shutdown smr' )
        ret = testbase.request_to_shutdown_redis( server_to_join )
        self.assertEquals( ret, 0, 'failed to shutdown redis' )

        # check state F
        max_try = 20
        expected = 'F'
        for i in range( 0, max_try):
            state = util.get_smr_state( server_to_join, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s' % (server_to_join['id'], state, expected) )

        # set value
        key_base = 'mw'
        for i in range(0, 10000):
            cmd = 'set %s%d %d\r\n' % (key_base, i, i)
            gw.write( cmd )
            res = gw.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n' )

        # master failover 1 (master generation + 1)
        util.log('master failover 1')
        server = util.get_server_by_role( self.cluster['servers'], 'master' )
        self.failover( server )

        # check quorum (copy:3, quorum:1, available:2)
        ok = False
        for i in xrange(10):
            ok = util.check_quorum(self.cluster['cluster_name'],
                    self.leader_cm['ip'], self.leader_cm['cm_port'])
            if ok:
                break
            else:
                time.sleep(1)
        self.assertTrue( ok, 'Check quorum fail.' )

        # master failover 2 (master generation + 1)
        util.log('master failover 2')
        server = util.get_server_by_role( self.cluster['servers'], 'master' )
        self.failover( server )

        # recovery
        util.log('master recovery start.')
        ret = testbase.request_to_start_smr( server_to_join )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( server_to_join )
        self.assertEqual( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( server_to_join, 10 )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server_to_join['id']) )
        util.log('master recovery end successfully.')

        # check state N
        max_try = 20
        expected = 'N'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        role = util.get_role_of_server( server )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s, role:%s' % (server['id'], state, expected, role) )

        time.sleep( 5 )

        # set value
        for i in range(10000, 20000):
            cmd = 'set %s%d %d\r\n' % (key_base, i, i)
            gw.write( cmd )
            res = gw.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n' )

        server = util.get_server_by_role( self.cluster['servers'], 'master' )

        redis = redis_mgmt.Redis( server_to_join['id'] )
        ret = redis.connect( server_to_join['ip'], server_to_join['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        # check value
        for i in range(0, 20000):
            cmd = 'get %s%d\r\n' % (key_base, i)
            redis.write( cmd )
            redis.read_until( '\r\n'  )
            response = redis.read_until( '\r\n'  )
            self.assertEqual( response, '%d\r\n' % (i), 'inconsistent %s, %d' % (response[:-2], i) )

        gw.disconnect()
        return 0
Example #10
0
    def consistent_after_failover(self):
        max = 10000
        wait_count = 15
        key = 'caf'

        # get master, slave1, and slave2
        master, slave1, slave2 = self.get_mss()

        # set value
        ip, port = util.get_rand_gateway(self.cluster)
        gw = gateway_mgmt.Gateway(ip)
        gw.connect(ip, port)

        for i in range(0, max):
            cmd = 'set %s%d %d\r\n' % (key, i, i)
            gw.write(cmd)
            res = gw.read_until('\r\n')
            self.assertEquals(res, '+OK\r\n')
        time.sleep(5)

        # shutdown
        servers = [master, slave1, slave2]
        for server in servers:

            util.log('before shutdown pgs%d' % server['id'])
            for s in servers:
                self.getseq_log(s)

            ret = testbase.request_to_shutdown_smr(server)
            self.assertEqual(
                ret, 0, 'failed to shutdown smr, server:%d' % server['id'])
            ret = testbase.request_to_shutdown_redis(server)
            self.assertEquals(ret, 0, 'failed to shutdown redis')
        time.sleep(5)

        # check state F
        for server in servers:
            state = self.get_expected_smr_state(server, 'F')
            self.assertEquals('F', state,
                              'server%d - state:%s' % (server['id'], state))

        # recovery
        for server in servers:
            ret = testbase.request_to_start_smr(server)
            self.assertEqual(ret, 0,
                             'failed to start smr, server:%d' % server['id'])

            ret = testbase.request_to_start_redis(server, False)
            self.assertEqual(ret, 0,
                             'failed to start redis, server:%d' % server['id'])

            util.log('after restart pgs%d' % server['id'])
            for s in servers:
                self.getseq_log(s)

        time.sleep(5)

        # wait for master election
        for i in xrange(10):
            ret = util.check_cluster(self.cluster['cluster_name'],
                                     self.leader_cm['ip'],
                                     self.leader_cm['cm_port'])
            if ret:
                break
            time.sleep(1)

        # check state
        for server in servers:
            ret = testbase.wait_until_finished_to_set_up_role(
                server, wait_count)
            self.assertEquals(
                ret, 0, 'failed to role change. server:%d' % (server['id']))

            state = self.get_expected_smr_state(server, 'N')
            role = util.get_role_of_server(server)
            self.assertEquals(
                'N', state,
                'server%d - state:%s, role:%s' % (server['id'], state, role))

        the_number_of_master = 0
        the_number_of_slave = 0
        for server in servers:
            role = util.get_role_of_server(server)
            if role == c.ROLE_MASTER:
                the_number_of_master = the_number_of_master + 1
            elif role == c.ROLE_SLAVE:
                the_number_of_slave = the_number_of_slave + 1
        self.assertTrue(
            1 == the_number_of_master and 2 == the_number_of_slave,
            'failed to set roles, the number of master:%d, the number of slave:%d'
            % (the_number_of_master, the_number_of_slave))

        # get master, slave1, and slave2
        master, slave1, slave2 = self.get_mss()

        # connect to a master`s redis and set data
        redis = redis_mgmt.Redis(master['id'])
        ret = redis.connect(master['ip'], master['redis_port'])
        self.assertEquals(
            ret, 0, 'failed to connect to redis, server:%d' % master['id'])

        for i in range(max, max * 2):
            cmd = 'set %s%d %d\r\n' % (key, i, i)
            redis.write(cmd)
            res = redis.read_until('\r\n')
            self.assertEquals(
                res, '+OK\r\n',
                'failed to get response, server:%d' % master['id'])
        redis.disconnect()

        # check slaves`s data
        slaves = [slave1, slave2]
        for slave in slaves:
            slave_redis = redis_mgmt.Redis(slave['id'])
            ret = slave_redis.connect(slave['ip'], slave['redis_port'])
            self.assertEquals(
                ret, 0, 'failed to connect to redis, server:%d' % slave['id'])

            for i in range(0, max * 2):
                cmd = 'get %s%d\r\n' % (key, i)
                slave_redis.write(cmd)
                trash = slave_redis.read_until('\r\n')
                res = slave_redis.read_until('\r\n')
                self.assertEquals(
                    res, '%d\r\n' % i,
                    'inconsistent, server:%d, expected %d but %s' %
                    (slave['id'], i, res))
            slave_redis.disconnect()
    def test_restart_recovery_with_remote_checkpoint_and_remote_log( self ):
        util.print_frame()
        key_base = 'key'
        target = util.get_server_by_role( self.cluster['servers'], 'slave' )
        master = util.get_server_by_role( self.cluster['servers'], 'master' )

        ip, port = util.get_rand_gateway( self.cluster )
        gw = gateway_mgmt.Gateway( master['id'] )
        ret = gw.connect( ip, port )
        self.assertEqual( ret, 0, 'failed to connect to gateway' )

        # set initial data in order to make an elapsed time for bgsave longer
        self.put_some_data()

        # generate some data
        for i in range( 0, 100 ):
            key = '%s%d' % (key_base, i)
            cmd = 'set %s %d\r\n' % (key, i)
            gw.write( cmd )
            res = gw.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n' )
        gw.disconnect()

        # delete a local checkpoint
        util.log('delete pgs%d`s check point.' % target['id'])
        util.del_dumprdb( target['id'] )

        # generate a remote check point
        bgsave_ret = util.bgsave( master )
        self.assertTrue( bgsave_ret, 'failed to bgsave. pgs%d' % master['id'] )

        # shutdown
        util.log('shutdown target')
        ret = testbase.request_to_shutdown_smr( target )
        self.assertEqual( ret, 0, 'failed to shutdown smr' )

        time.sleep( 10 )

        # generate some data
        ret = gw.connect( ip, port )
        self.assertEqual( ret, 0, 'failed to connect to gateway' )
        for i in range( 100, 200 ):
            key = '%s%d' % (key_base, i)
            cmd = 'set %s %d\r\n' % (key, i)
            gw.write( cmd )
            res = gw.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n' )
        gw.disconnect()

        # recovery
        util.log('recovery target')
        ret = testbase.request_to_start_smr( target )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( target )
        self.assertEqual( ret, 0, 'failed to start redis' )
        time.sleep( 5 )

        ret = testbase.wait_until_finished_to_set_up_role( target)
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (target['id']) )

        # check value
        recovered_redis = redis_mgmt.Redis( target['id'] )
        ret = recovered_redis .connect( target['ip'], target['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        for i in range (0, 200):
            key = '%s%d' % (key_base, i)
            cmd = 'get %s\r\n' % (key)
            recovered_redis .write( cmd )
            recovered_redis.read_until( '\r\n'  )
            response = recovered_redis.read_until( '\r\n'  )
            self.assertEqual( response, '%d\r\n' % i, 'inconsistent %s, %d' % (response, i) )
    def test_restart_recovery_with_remote_checkpoint_and_remote_log(self):
        util.print_frame()
        key_base = 'key'
        target = util.get_server_by_role(self.cluster['servers'], 'slave')
        master = util.get_server_by_role(self.cluster['servers'], 'master')

        ip, port = util.get_rand_gateway(self.cluster)
        gw = gateway_mgmt.Gateway(master['id'])
        ret = gw.connect(ip, port)
        self.assertEqual(ret, 0, 'failed to connect to gateway')

        # set initial data in order to make an elapsed time for bgsave longer
        self.put_some_data()

        # generate some data
        for i in range(0, 100):
            key = '%s%d' % (key_base, i)
            cmd = 'set %s %d\r\n' % (key, i)
            gw.write(cmd)
            res = gw.read_until('\r\n')
            self.assertEquals(res, '+OK\r\n')
        gw.disconnect()

        # delete a local checkpoint
        util.log('delete pgs%d`s check point.' % target['id'])
        util.del_dumprdb(target['id'])

        # generate a remote check point
        bgsave_ret = util.bgsave(master)
        self.assertTrue(bgsave_ret, 'failed to bgsave. pgs%d' % master['id'])

        # shutdown
        util.log('shutdown target')
        ret = testbase.request_to_shutdown_smr(target)
        self.assertEqual(ret, 0, 'failed to shutdown smr')

        time.sleep(10)

        # generate some data
        ret = gw.connect(ip, port)
        self.assertEqual(ret, 0, 'failed to connect to gateway')
        for i in range(100, 200):
            key = '%s%d' % (key_base, i)
            cmd = 'set %s %d\r\n' % (key, i)
            gw.write(cmd)
            res = gw.read_until('\r\n')
            self.assertEquals(res, '+OK\r\n')
        gw.disconnect()

        # recovery
        util.log('recovery target')
        ret = testbase.request_to_start_smr(target)
        self.assertEqual(ret, 0, 'failed to start smr')

        ret = testbase.request_to_start_redis(target)
        self.assertEqual(ret, 0, 'failed to start redis')
        time.sleep(5)

        ret = testbase.wait_until_finished_to_set_up_role(target)
        self.assertEquals(ret, 0,
                          'failed to role change. smr_id:%d' % (target['id']))

        # check value
        recovered_redis = redis_mgmt.Redis(target['id'])
        ret = recovered_redis.connect(target['ip'], target['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        for i in range(0, 200):
            key = '%s%d' % (key_base, i)
            cmd = 'get %s\r\n' % (key)
            recovered_redis.write(cmd)
            recovered_redis.read_until('\r\n')
            response = recovered_redis.read_until('\r\n')
            self.assertEqual(response, '%d\r\n' % i,
                             'inconsistent %s, %d' % (response, i))
Example #13
0
    def test_migration_with_expire_command(self):
        util.print_frame()

        util.log("start load_generator")
        load_gen_thrd_list = {}
        for i in range(1):
            ip, port = util.get_rand_gateway(self.cluster)
            load_gen_thrd_list[i] = load_generator.LoadGenerator(i, ip, port)
            load_gen_thrd_list[i].start()

        time.sleep(5)  # generate load for 5 sec
        tps = 20000
        src_pg_id = 0
        dst_pg_id = 1
        leader_cm = self.cluster['servers'][0]
        src_master = util.get_server_by_role_and_pg(self.cluster['servers'],
                                                    'master', src_pg_id)
        dst_master = util.get_server_by_role_and_pg(self.cluster['servers'],
                                                    'master', dst_pg_id)

        smr = smr_mgmt.SMR(src_master['id'])
        ret = smr.connect(src_master['ip'], src_master['smr_mgmt_port'])
        if ret != 0:
            util.log('failed to connect to smr(source master)')
            return False

        src_redis = redis_mgmt.Redis(src_master['id'])
        ret = src_redis.connect(src_master['ip'], src_master['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        dst_redis = redis_mgmt.Redis(dst_master['id'])
        ret = dst_redis.connect(dst_master['ip'], dst_master['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        ts = time.time()
        self.setExpireKey(src_redis,
                          'beforeCheckpoint~beforeCheckpoint:expired', 10)
        self.setExpireKey(src_redis,
                          'beforeCheckpoint~beforeCheckpoint:persist', 20)
        self.setExpireS3Key(src_redis,
                            'S3:beforeCheckpoint~beforeCheckpoint:expired', 10)
        self.setExpireS3Key(src_redis,
                            'S3:beforeCheckpoint~beforeCheckpoint:persist', 20)

        self.setExpireS3Key(src_redis, 'S3:PermanentKey', 0)

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis,
                              'beforeCheckpoint~beforeCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis,
                              'beforeCheckpoint~beforeCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(
            src_redis, 'S3:beforeCheckpoint~beforeCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(
            src_redis, 'S3:beforeCheckpoint~beforeCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")

        util.log(">>> migrate test with expire command start(%s), ts:%d" %
                 (time.asctime(), ts))

        ts = time.time()
        self.setExpireKey(src_redis,
                          'beforeCheckpoint~afterCheckpoint:expired', 10)
        self.setExpireKey(src_redis,
                          'beforeCheckpoint~afterCheckpoint:persist', 20)
        self.setExpireS3Key(src_redis,
                            'S3:beforeCheckpoint~afterCheckpoint:expired', 10)
        self.setExpireS3Key(src_redis,
                            'S3:beforeCheckpoint~afterCheckpoint:persist', 20)

        # notify dst_redis of migration start
        util.log(">>> notify dst_redis of migration start (%s)" %
                 time.asctime())

        cmd = 'migconf migstart %d-%d\r\n' % (0, 8191)
        dst_redis.write(cmd)
        res = dst_redis.read_until('\r\n')
        self.assertEquals(res, '+OK\r\n')

        # remote partial checkpoint
        util.log(">>> start remote checkpoint and load (%s)" % time.asctime())
        cmd = "./cluster-util --getandplay %s %d %s %d %d-%d %d" % (
            src_master['ip'], src_master['redis_port'], dst_master['ip'],
            dst_master['redis_port'], 0, 8191, tps)
        p = util.exec_proc_async(util.cluster_util_dir(src_master['id']), cmd,
                                 True, None, subprocess.PIPE, None)

        ret = p.wait()
        for line in p.stdout:
            if line.find("Checkpoint Sequence Number:") != -1:
                util.log("seqnumber : " + line[line.rfind(":") + 1:])
                seq = int(line[line.rfind(":") + 1:])
            util.log(">>>" + str(line.rstrip()))

        self.assertEqual(0, ret)
        util.log(">>> end remote checkpoint and load (%s)" % time.asctime())

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis,
                              'beforeCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis,
                              'beforeCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:beforeCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:beforeCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")

        # bgsave for testing later about recovery during migration
        util.log(
            ">>> bgsave for testing later about recovery during migration (%s)"
            % time.asctime())
        cmd = 'bgsave\r\n'
        dst_redis.write(cmd)
        res = dst_redis.read_until('\r\n')
        self.assertEquals(res, '+Background saving started\r\n')

        ts = time.time()
        self.setExpireKey(src_redis, 'afterCheckpoint~afterCheckpoint:expired',
                          10)
        self.setExpireKey(src_redis, 'afterCheckpoint~afterCheckpoint:persist',
                          20)
        self.setExpireS3Key(src_redis,
                            'S3:afterCheckpoint~afterCheckpoint:expired', 10)
        self.setExpireS3Key(src_redis,
                            'S3:afterCheckpoint~afterCheckpoint:persist', 20)

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis,
                              'afterCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis,
                              'afterCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:afterCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:afterCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(src_redis, 'afterCheckpoint~duringCatchup:expired',
                          10)
        self.setExpireKey(src_redis, 'afterCheckpoint~duringCatchup:persist',
                          100)
        self.setExpireS3Key(src_redis,
                            'S3:afterCheckpoint~duringCatchup:expired', 10)
        self.setExpireS3Key(src_redis,
                            'S3:afterCheckpoint~duringCatchup:persist', 100)

        # remote catchup (smr log migration)
        util.log(">>> start remote catchup (%s)" % time.asctime())

        dst_host = dst_master['ip']
        dst_smr_port = dst_master['smr_base_port']
        rle = '1 8192'
        num_part = 8192

        smr.write('migrate start %s %d %d %d %d %s\r\n' %
                  (dst_host, dst_smr_port, seq, tps, num_part, rle))
        response = smr.read_until('\r\n')
        if response[:3] != '+OK':
            util.log('failed to execute migrate start command, response:%s' %
                     response)
            return False

        while True:
            smr.write('migrate info\r\n')
            response = smr.read_until('\r\n')
            seqs = response.split()
            logseq = int(seqs[1].split(':')[1])
            mig = int(seqs[2].split(':')[1])
            util.log('migrate info: %s' % response)
            if (logseq - mig < 500000):
                util.log('Remote catchup almost done. try mig2pc')
                break
            time.sleep(1)

        util.log(">>> sleep until 90 sec pass")
        self.assertFalse(time.time() - ts >= 90)
        time.sleep(90 - (time.time() - ts))

        res = self.persistKey(src_redis,
                              'afterCheckpoint~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis,
                              'afterCheckpoint~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:afterCheckpoint~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:afterCheckpoint~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(src_redis, 'duringCatchup~duringCatchup:expired', 10)
        self.setExpireKey(src_redis, 'duringCatchup~duringCatchup:persist', 20)
        self.setExpireS3Key(src_redis,
                            'S3:duringCatchup~duringCatchup:expired', 10)
        self.setExpireS3Key(src_redis,
                            'S3:duringCatchup~duringCatchup:persist', 20)

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis, 'duringCatchup~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis, 'duringCatchup~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:duringCatchup~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis,
                                'S3:duringCatchup~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(src_redis, 'duringCatchup~afterMig2pc:expired', 10)
        self.setExpireKey(src_redis, 'duringCatchup~afterMig2pc:persist', 20)
        self.setExpireS3Key(src_redis, 'S3:duringCatchup~afterMig2pc:expired',
                            10)
        self.setExpireS3Key(src_redis, 'S3:duringCatchup~afterMig2pc:persist',
                            20)

        util.log(">>> remote catchup phase almost done (%s)" % time.asctime())

        # mig2pc
        util.log(">>> start mig2pc (%s)" % time.asctime())

        cmd = 'mig2pc %s %d %d %d %d' % (self.cluster['cluster_name'],
                                         src_pg_id, dst_pg_id, 0, 8191)
        result = util.cm_command(leader_cm['ip'], leader_cm['cm_port'], cmd)
        util.log('mig2pc result : ' + result)
        if not result.startswith('{"state":"success","msg":"+OK"}\r\n'):
            util.log('failed to execute mig2pc command, result:%s' % result)
            return False

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(dst_redis, 'duringCatchup~afterMig2pc:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(dst_redis, 'duringCatchup~afterMig2pc:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(dst_redis,
                                'S3:duringCatchup~afterMig2pc:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(dst_redis,
                                'S3:duringCatchup~afterMig2pc:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(dst_redis, 'afterMig2pc~migrateEnd:expired', 10)
        self.setExpireKey(dst_redis, 'afterMig2pc~migrateEnd:persist', 20)
        self.setExpireS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:expired', 10)
        self.setExpireS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:persist', 20)

        # finish migration
        smr.write('migrate interrupt\r\n')
        response = smr.read_until('\r\n')
        util.log('migrate interrupt: %s' % response)
        smr.disconnect()

        # notify dst_redis of migration end
        util.log(">>> notify dst_redis of migration end (%s)" % time.asctime())

        cmd = 'migconf migend\r\n'
        dst_redis.write(cmd)
        res = dst_redis.read_until('\r\n')
        self.assertEquals(res, '+OK\r\n')

        cmd = 'migconf clearstart %d-%d\r\n' % (0, 8191)
        src_redis.write(cmd)
        res = src_redis.read_until('\r\n')
        self.assertEquals(res, '+OK\r\n')

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(dst_redis, 'afterMig2pc~migrateEnd:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(dst_redis, 'afterMig2pc~migrateEnd:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        self.assertTrue(
            self.isExist(dst_redis,
                         'beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis,
                         'beforeCheckpoint~beforeCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~beforeCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis,
                         'beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis,
                         'beforeCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~duringCatchup:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'duringCatchup~duringCatchup:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'duringCatchup~duringCatchup:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:duringCatchup~duringCatchup:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:duringCatchup~duringCatchup:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'duringCatchup~afterMig2pc:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'duringCatchup~afterMig2pc:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'afterMig2pc~migrateEnd:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'afterMig2pc~migrateEnd:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:expired'))

        # remote partial checkpoint
        util.log(">>> start rangedel (%s)" % time.asctime())
        cmd = "./cluster-util --rangedel %s %d %d-%d %d" % (
            src_master['ip'], src_master['redis_port'], 0, 8191, tps)
        p = util.exec_proc_async(util.cluster_util_dir(src_master['id']), cmd,
                                 True, None, subprocess.PIPE, None)
        ret = p.wait()

        for line in p.stdout:
            util.log(">>>" + str(line.rstrip()))

        cmd = 'migconf clearend\r\n'
        src_redis.write(cmd)
        res = src_redis.read_until('\r\n')
        self.assertEqual(res, '+OK\r\n')

        time.sleep(5)  # generate load for 5 sec
        # check consistency of load_generator
        for i in range(len(load_gen_thrd_list)):
            load_gen_thrd_list[i].quit()
        for i in range(len(load_gen_thrd_list)):
            load_gen_thrd_list[i].join()
            self.assertTrue(load_gen_thrd_list[i].isConsistent(),
                            'Inconsistent after migration')

        # kill dst_redis and recover from bgsave
        util.log(">>> kill dst_redis and recover from bgsave (%s)" %
                 time.asctime())

        dst_redis.disconnect()
        ret = testbase.request_to_shutdown_redis(dst_master)
        self.assertEquals(ret, 0, 'failed to shutdown redis')
        ret = testbase.request_to_shutdown_smr(dst_master)
        self.assertEquals(ret, 0, 'failed to shutdown smr')
        time.sleep(5)

        testbase.request_to_start_smr(dst_master)
        self.assertEqual(ret, 0,
                         'failed to start smr, server:%d' % dst_master['id'])

        ret = testbase.request_to_start_redis(dst_master)
        self.assertEqual(ret, 0,
                         'failed to start redis, server:%d' % dst_master['id'])

        ret = testbase.wait_until_finished_to_set_up_role(dst_master)
        self.assertEquals(
            ret, 0, 'failed to role change. server:%d' % (dst_master['id']))

        dst_redis = redis_mgmt.Redis(dst_master['id'])
        ret = dst_redis.connect(dst_master['ip'], dst_master['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        self.assertTrue(
            self.isExist(dst_redis,
                         'beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis,
                         'beforeCheckpoint~beforeCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~beforeCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis,
                         'beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis,
                         'beforeCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:beforeCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:afterCheckpoint~duringCatchup:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'duringCatchup~duringCatchup:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'duringCatchup~duringCatchup:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis,
                           'S3:duringCatchup~duringCatchup:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis,
                           'S3:duringCatchup~duringCatchup:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'duringCatchup~afterMig2pc:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'duringCatchup~afterMig2pc:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:expired'))

        self.assertTrue(
            self.isExist(dst_redis, 'afterMig2pc~migrateEnd:persist'))
        self.assertFalse(
            self.isExist(dst_redis, 'afterMig2pc~migrateEnd:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:expired'))

        self.getS3TTL(dst_redis, 'S3:PermanentKey')

        # kill dst_slave redis and recover without dump file
        util.log(">>> kill dst_redis and recover without dump file (%s)" %
                 time.asctime())
        dst_slave = util.get_server_by_role_and_pg(self.cluster['servers'],
                                                   'slave', dst_pg_id)

        ret = testbase.request_to_shutdown_redis(dst_slave)
        self.assertEquals(ret, 0, 'failed to shutdown redis')
        ret = testbase.request_to_shutdown_smr(dst_slave)
        self.assertEquals(ret, 0, 'failed to shutdown smr')
        time.sleep(5)

        testbase.request_to_start_smr(dst_slave)
        self.assertEqual(ret, 0,
                         'failed to start smr, server:%d' % dst_slave['id'])

        ret = testbase.request_to_start_redis(dst_slave)
        self.assertEqual(ret, 0,
                         'failed to start redis, server:%d' % dst_slave['id'])

        ret = testbase.wait_until_finished_to_set_up_role(dst_slave)
        self.assertEquals(
            ret, 0, 'failed to role change. server:%d' % (dst_slave['id']))

        dst_redis_slave = redis_mgmt.Redis(dst_slave['id'])
        ret = dst_redis_slave.connect(dst_slave['ip'], dst_slave['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        self.assertTrue(
            self.isExist(dst_redis_slave,
                         'beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis_slave,
                         'beforeCheckpoint~beforeCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis_slave,
                           'S3:beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis_slave,
                           'S3:beforeCheckpoint~beforeCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis_slave,
                         'beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis_slave,
                         'beforeCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis_slave,
                           'S3:beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis_slave,
                           'S3:beforeCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis_slave,
                         'afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isExist(dst_redis_slave,
                         'afterCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis_slave,
                           'S3:afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis_slave,
                           'S3:afterCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(
            self.isExist(dst_redis_slave,
                         'afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(
            self.isExist(dst_redis_slave,
                         'afterCheckpoint~duringCatchup:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis_slave,
                           'S3:afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis_slave,
                           'S3:afterCheckpoint~duringCatchup:expired'))

        self.assertTrue(
            self.isExist(dst_redis_slave,
                         'duringCatchup~duringCatchup:persist'))
        self.assertFalse(
            self.isExist(dst_redis_slave,
                         'duringCatchup~duringCatchup:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis_slave,
                           'S3:duringCatchup~duringCatchup:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis_slave,
                           'S3:duringCatchup~duringCatchup:expired'))

        self.assertTrue(
            self.isExist(dst_redis_slave, 'duringCatchup~afterMig2pc:persist'))
        self.assertFalse(
            self.isExist(dst_redis_slave, 'duringCatchup~afterMig2pc:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis_slave,
                           'S3:duringCatchup~afterMig2pc:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis_slave,
                           'S3:duringCatchup~afterMig2pc:expired'))

        self.assertTrue(
            self.isExist(dst_redis_slave, 'afterMig2pc~migrateEnd:persist'))
        self.assertFalse(
            self.isExist(dst_redis_slave, 'afterMig2pc~migrateEnd:expired'))
        self.assertTrue(
            self.isS3Exist(dst_redis_slave,
                           'S3:afterMig2pc~migrateEnd:persist'))
        self.assertFalse(
            self.isS3Exist(dst_redis_slave,
                           'S3:afterMig2pc~migrateEnd:expired'))

        self.getS3TTL(dst_redis_slave, 'S3:PermanentKey')

        # Go back to initial configuration
        self.assertTrue(
            util.migration(self.cluster, dst_pg_id, src_pg_id, 0, 8191, 40000),
            'failed to rollback migration')
    def failover_while_hang(self, server):
        # timestamp before hang
        ts_before = util.get_timestamp_of_pgs(server)
        self.assertNotEqual(
            ts_before, -1,
            'failed to get a timestamp of pgs(%d), ts_before:%d' %
            (server['id'], ts_before))

        # hang
        util.log('pgs(id:%d, ip:%s, port:%d) is going to hang.' %
                 (server['id'], server['ip'], server['smr_mgmt_port']))
        smr = smr_mgmt.SMR(server['id'])
        ret = smr.connect(server['ip'], server['smr_mgmt_port'])
        self.assertEqual(
            ret, 0, 'failed to connect to master. %s:%d' %
            (server['ip'], server['smr_mgmt_port']))
        smr.write('fi delay sleep 1 10000\r\n')
        reply = smr.read_until('\r\n', 1)
        if reply != None and reply.find('-ERR not supported') != -1:
            self.assertEqual(
                0, 1, 'make sure that smr has compiled with gcov option.')

        time.sleep(4)

        # check state F
        max_try = 20
        expected = 'F'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s' %
            (server['id'], state, expected))
        util.log('succeeded : pgs%d state changed to F.' % server['id'])

        # shutdown
        util.log('shutdown pgs%d while hanging.' % server['id'])
        ret = testbase.request_to_shutdown_smr(server)
        self.assertEqual(ret, 0,
                         'failed to shutdown smr. id:%d' % server['id'])
        ret = testbase.request_to_shutdown_redis(server)
        self.assertEquals(ret, 0,
                          'failed to shutdown redis. id:%d' % server['id'])

        # check state F
        max_try = 20
        expected = 'F'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s' %
            (server['id'], state, expected))
        util.log('succeeded : pgs%d state changed to F.' % server['id'])

        # recovery
        util.log('restart pgs%d.' % server['id'])
        ret = testbase.request_to_start_smr(server)
        self.assertEqual(ret, 0, 'failed to start smr. id:%d' % server['id'])

        ret = testbase.request_to_start_redis(server)
        self.assertEqual(ret, 0, 'failed to start redis. id:%d' % server['id'])

        wait_count = 20
        ret = testbase.wait_until_finished_to_set_up_role(server, wait_count)
        self.assertEquals(ret, 0,
                          'failed to role change. smr_id:%d' % (server['id']))

        redis = redis_mgmt.Redis(server['id'])
        ret = redis.connect(server['ip'], server['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        # check state N
        max_try = 20
        expected = 'N'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s' %
            (server['id'], state, expected))
        util.log('succeeded : pgs%d state changed to N.' % server['id'])

        # wait for rejoin as a slave
        success = False
        for i in range(20):
            role = util.get_role_of_server(server)
            if role == c.ROLE_SLAVE:
                ts_after = util.get_timestamp_of_pgs(server)
                if ts_after != -1 and ts_before != ts_after:
                    success = True
                    break
            time.sleep(1)
        self.assertEqual(success, True, 'failed to rejoin as a slave')
        util.log('succeeded : pgs%d joined as a slave.' % server['id'])

        return 0
Example #15
0
    def test_quorum( self ):
        util.print_frame()

        master, slave1, slave2 = self.get_mss()

        expected = self.quorum_policy[1]
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        ret = testbase.request_to_shutdown_smr( slave1 )
        self.assertEqual( ret, 0, 'failed to shutdown smr, server:%d' % slave1['id'] )
        time.sleep( 1 )

        expected = self.quorum_policy[1]
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        ret = testbase.request_to_shutdown_smr( slave2 )
        self.assertEqual( ret, 0, 'failed to shutdown smr, server:%d' % slave2['id'] )
        time.sleep( 1 )

        expected = self.quorum_policy[0]
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        # recovery
        ret = testbase.request_to_start_smr( slave1 )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( slave1 )
        self.assertEqual( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( slave1 )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (slave1['id']) )
        time.sleep( 1 )

        expected = self.quorum_policy[1]
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        # recovery
        ret = testbase.request_to_start_smr( slave2 )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( slave2 )
        self.assertEqual( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( slave2 )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (slave2['id']) )
        time.sleep( 1 )

        expected = self.quorum_policy[1]
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )
Example #16
0
    def deprecated_test_5_PGS_commit_is_greater_than_PG_commit(self):
        util.print_frame()

        # get gateway info
        ip, port = util.get_rand_gateway(self.cluster)
        gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
        ret = gw.connect(ip, port)
        self.assertEqual(ret, 0,
                         'failed to connect to gateway, %s:%d' % (ip, port))

        # initial data
        util.put_some_data(self.cluster)

        master, s1, s2 = util.get_mss(self.cluster)

        server_to_join = [s1, s2]
        # shutdown slaves
        for i in range(0, 2):
            ret = testbase.request_to_shutdown_smr(server_to_join[i])
            self.assertEqual(
                ret, 0, 'failed to shutdown smr%d' % server_to_join[i]['id'])
            util.log('succeeded to shutdown smr%d' % server_to_join[i]['id'])

            ret = testbase.request_to_shutdown_redis(server_to_join[i])
            self.assertEquals(ret, 0, 'failed to shutdown redis')
            util.log('succeeded to shutdown redis%d' % server_to_join[i]['id'])

            # check state F
            max_try = 20
            expected = 'F'
            for j in range(0, max_try):
                state = util.get_smr_state(server_to_join[i], self.leader_cm)
                if expected == state:
                    break
                time.sleep(1)
            self.assertEquals(
                expected, state, 'server%d - state:%s, expected:%s' %
                (server_to_join[i]['id'], state, expected))

        # put more data
        util.put_some_data(self.cluster, 10, 256)

        # bgsave
        ret = util.bgsave(master)
        self.assertTrue(ret, 'failed to bgsave. pgs%d' % master['id'])

        # shutdown master
        ret = testbase.request_to_shutdown_smr(master)
        self.assertEqual(ret, 0, 'failed to shutdown smr')
        util.log('succeeded to shutdown master smr, id=%d' % master['id'])
        ret = testbase.request_to_shutdown_redis(master)
        self.assertEquals(ret, 0, 'failed to shutdown redis')
        util.log('succeeded to shutdown master redis, id=%d' % master['id'])

        # check state F
        max_try = 20
        expected = 'F'
        for i in range(0, max_try):
            state = util.get_smr_state(master, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s' %
            (master['id'], state, expected))

        # recovery slaves
        for i in range(0, 2):
            ret = testbase.request_to_start_smr(server_to_join[i])
            self.assertEqual(ret, 0, 'failed to start smr')

            ret = testbase.request_to_start_redis(server_to_join[i])
            self.assertEqual(ret, 0, 'failed to start redis')

            ret = testbase.wait_until_finished_to_set_up_role(
                server_to_join[i], 10)
            self.assertEquals(
                ret, 0,
                'failed to role change. smr_id:%d' % (server_to_join[i]['id']))

            # check state N
            max_try = 20
            expected = 'N'
            for j in range(0, max_try):
                state = util.get_smr_state(server_to_join[i], self.leader_cm)
                if expected == state:
                    break
                time.sleep(1)
            role = util.get_role_of_server(server_to_join[i])
            self.assertEquals(
                expected, state, 'server%d - state:%s, expected:%s, role:%s' %
                (server_to_join[i]['id'], state, expected, role))

        # set value
        s = random.choice(server_to_join)
        redis = redis_mgmt.Redis(['id'])
        ret = redis.connect(s['ip'], s['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        key_base = 'key_test'
        for i in range(0, 10000):
            cmd = 'set %s%d %d\r\n' % (key_base, i, i)
            redis.write(cmd)
            res = redis.read_until('\r\n')
            self.assertEquals(res, '+OK\r\n')
        redis.disconnect()

        for i in range(0, 2):
            redis = redis_mgmt.Redis(server_to_join[i]['id'])
            ret = redis.connect(server_to_join[i]['ip'],
                                server_to_join[i]['redis_port'])
            self.assertEquals(ret, 0, 'failed to connect to redis')

            # check value
            for j in range(0, 10000):
                cmd = 'get %s%d\r\n' % (key_base, j)
                redis.write(cmd)
                redis.read_until('\r\n')
                response = redis.read_until('\r\n')
                self.assertEqual(response, '%d\r\n' % (j),
                                 'inconsistent %s, %d' % (response[:-2], j))

        # try to recover master, but failed
        ret = testbase.request_to_start_smr(master)
        self.assertEqual(ret, 0, 'failed to start smr')

        ret = testbase.request_to_start_redis(master, False)
        self.assertEqual(ret, 0, 'failed to start redis')

        max_try = 3
        expected = 'N'
        for i in range(0, max_try):
            state = util.get_smr_state(master, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        role = util.get_role_of_server(master)
        self.assertNotEqual(
            expected, state, 'server%d - state:%s, expected:not %s, role:%s' %
            (master['id'], state, expected, role))
        util.log(
            'success : the old master that has a greater commit-seq than the current master tried to join as a slave, but it is blocked successfully.'
        )

        gw.disconnect()
        return 0
    def recovery_with_local_checkpoint_and_remote_log( self, role ):
        server = util.get_server_by_role( self.cluster['servers'], role )

        # set initial data in order to make an elapsed time for bgsave longer
        self.put_some_data()

        # set value
        ip, port = util.get_rand_gateway( self.cluster )
        gw = gateway_mgmt.Gateway( server['id'] )
        ret = gw.connect( ip, port )
        self.assertEqual( ret, 0, 'failed to connect to gateway, id:%d' % server['id'] )
        timestamp = {}
        key_base = 'key0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999'
        for i in range (0, 50000):
            timestamp[i] = time.time()
            k = '%s_%d' % (key_base, i)
            cmd = 'set %s %f\r\n' % (k, timestamp[i])
            gw.write( cmd )
            response = gw.read_until( '\r\n' )
            self.assertNotEqual( response.find( '+OK' ), -1, 'failed to set key value through gateway' )

        # generate a check point
        bgsave_ret = util.bgsave( server )
        self.assertTrue( bgsave_ret, 'failed to bgsave. pgs%d' % server['id'] )

        # shutdown
        ret = testbase.request_to_shutdown_smr( server )
        self.assertEqual( ret, 0, 'failed to shutdown smr' )
        ret = testbase.request_to_shutdown_redis( server )
        self.assertEqual( ret, 0, 'failed to shutdown redis' )
        util.log('succeeded : shutdown pgs%d' % (server['id']))

        # delete smr_logs
        ret = util.delete_smr_logs( server['id'] )
        self.assertEqual( ret, 0, 'failed to delete smr log, id:%d' % server['id'] )
        util.log('succeeded : delete replication logs')

        time.sleep( 5 )

        # set value
        ret = gw.connect( ip, port )
        self.assertEqual( ret, 0, 'failed to connect to gateway' )
        for i in range (50000, 100000):
            timestamp[i] = time.time()
            k = '%s_%d' % (key_base, i)
            cmd = 'set %s %f\r\n' % (k, timestamp[i])
            gw.write( cmd )
            response = gw.read_until( '\r\n' )
            self.assertNotEqual( response.find( '+OK' ), -1, 'failed to set key value through gateway' )

        # recovery
        ret = testbase.request_to_start_smr( server )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( server )
        self.assertEqual( ret, 0, 'failed to start redis' )
        time.sleep( 5 )

        ret = testbase.wait_until_finished_to_set_up_role( server )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server['id']) )
        util.log('succeeded : recover pgs%d' % server['id'])

        # check value
        recovered_redis = redis_mgmt.Redis( server['id'] )
        ret = recovered_redis .connect( server['ip'], server['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        for i in range (0, 100000):
            k = '%s_%d' % (key_base, i)
            cmd = 'get %s\r\n' % (k)
            recovered_redis .write( cmd )
            recovered_redis.read_until( '\r\n'  )
            response = recovered_redis.read_until( '\r\n'  )
            self.assertEqual( response, '%f\r\n' % (timestamp[i]), 'inconsistent %s, %f' % (response, timestamp[i]) )
Example #18
0
    def failure_recovery(self, role, wait_count=10, redis_only=False):
        time.sleep(2)

        # get gateway info
        ip, port = util.get_rand_gateway(self.cluster)
        gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])
        ret = gw.connect(ip, port)
        self.assertEqual(ret, 0,
                         'failed to connect to gateway, %s:%d' % (ip, port))

        # set value
        key = 'new_key_haha'
        cmd = 'set %s 12345\r\n' % (key)
        gw.write(cmd)
        res = gw.read_until('\r\n')
        self.assertEquals(res, '+OK\r\n')

        # shutdown
        server = util.get_server_by_role(self.cluster['servers'], role)

        if redis_only == False:
            ret = testbase.request_to_shutdown_smr(server)
            self.assertEqual(ret, 0, 'failed to shutdown smr')

        ret = testbase.request_to_shutdown_redis(server)
        self.assertEquals(ret, 0, 'failed to shutdown redis')

        # check state F
        max_try = 20
        expected = 'F'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s' %
            (server['id'], state, expected))

        # set value
        check_value = '54321'
        cmd = 'set %s %s\r\n' % (key, check_value)
        gw.write(cmd)
        res = gw.read_until('\r\n')
        self.assertEquals(res, '+OK\r\n')
        gw.disconnect()

        # recovery
        if redis_only == False:
            ret = testbase.request_to_start_smr(server)
            self.assertEqual(ret, 0, 'failed to start smr')

        ret = testbase.request_to_start_redis(server)
        self.assertEqual(ret, 0, 'failed to start redis')

        ret = testbase.wait_until_finished_to_set_up_role(server, wait_count)
        self.assertEquals(ret, 0,
                          'failed to role change. smr_id:%d' % (server['id']))

        redis = redis_mgmt.Redis(server['id'])
        ret = redis.connect(server['ip'], server['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        # check state N
        max_try = 20
        expected = 'N'
        for i in range(0, max_try):
            state = util.get_smr_state(server, self.leader_cm)
            if expected == state:
                break
            time.sleep(1)
        role = util.get_role_of_server(server)
        self.assertEquals(
            expected, state, 'server%d - state:%s, expected:%s, role:%s' %
            (server['id'], state, expected, role))

        # check value
        cmd = 'get %s\r\n' % (key)
        redis.write(cmd)
        redis.read_until('\r\n')
        response = redis.read_until('\r\n')
        self.assertEqual(response, '%s\r\n' % (check_value),
                         'inconsistent %s, %s' % (response, check_value))
    def consistent_after_failover( self ):
        max = 10000
        wait_count = 15
        key = 'caf'

        # get master, slave1, and slave2
        master, slave1, slave2 = self.get_mss()

        # set value
        ip, port = util.get_rand_gateway( self.cluster )
        gw = gateway_mgmt.Gateway( ip )
        gw.connect( ip, port )

        for i in range( 0, max ):
            cmd = 'set %s%d %d\r\n' % (key, i, i)
            gw.write( cmd )
            res = gw.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n' )
        time.sleep( 5 )

        # shutdown
        servers = [master, slave1, slave2]
        for server in servers:

            util.log('before shutdown pgs%d' % server['id'])
            for s in servers:
                self.getseq_log(s)

            ret = testbase.request_to_shutdown_smr( server )
            self.assertEqual( ret, 0, 'failed to shutdown smr, server:%d' % server['id'] )
            ret = testbase.request_to_shutdown_redis( server )
            self.assertEquals( ret, 0, 'failed to shutdown redis' )
        time.sleep( 5 )

        # check state F
        for server in servers:
            state = self.get_expected_smr_state( server, 'F' )
            self.assertEquals( 'F', state,
                               'server%d - state:%s' % (server['id'], state) )

        # recovery
        for server in servers:
            ret = testbase.request_to_start_smr( server )
            self.assertEqual( ret, 0, 'failed to start smr, server:%d' % server['id'] )

            ret = testbase.request_to_start_redis( server, False )
            self.assertEqual( ret, 0, 'failed to start redis, server:%d' % server['id']  )

            util.log('after restart pgs%d' % server['id'])
            for s in servers:
                self.getseq_log(s)

        time.sleep( 5 )

        # wait for master election
        for i in xrange(10):
            ret = util.check_cluster( self.cluster['cluster_name'], self.leader_cm['ip'], self.leader_cm['cm_port'] )
            if ret:
                break
            time.sleep(1)

        # check state
        for server in servers:
            ret = testbase.wait_until_finished_to_set_up_role( server, wait_count )
            self.assertEquals( ret, 0, 'failed to role change. server:%d' % (server['id']) )

            state = self.get_expected_smr_state( server, 'N' )
            role = util.get_role_of_server( server )
            self.assertEquals( 'N', state,
                               'server%d - state:%s, role:%s' % (server['id'], state, role) )

        the_number_of_master = 0
        the_number_of_slave = 0
        for server in servers:
            role = util.get_role_of_server( server )
            if role == c.ROLE_MASTER:
                the_number_of_master = the_number_of_master + 1
            elif role == c.ROLE_SLAVE:
                the_number_of_slave = the_number_of_slave + 1
        self.assertTrue( 1 == the_number_of_master and 2 == the_number_of_slave,
                           'failed to set roles, the number of master:%d, the number of slave:%d' %
                           (the_number_of_master, the_number_of_slave) )

        # get master, slave1, and slave2
        master, slave1, slave2 = self.get_mss()

        # connect to a master`s redis and set data
        redis = redis_mgmt.Redis( master['id'] )
        ret = redis.connect( master['ip'], master['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis, server:%d' % master['id'] )

        for i in range( max, max*2 ):
            cmd = 'set %s%d %d\r\n' % (key, i, i)
            redis.write( cmd )
            res = redis.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n',
                               'failed to get response, server:%d' % master['id'] )
        redis.disconnect()

        # check slaves`s data
        slaves = [slave1, slave2]
        for slave in slaves:
            slave_redis = redis_mgmt.Redis( slave['id'] )
            ret = slave_redis .connect( slave['ip'], slave['redis_port'] )
            self.assertEquals( ret, 0, 'failed to connect to redis, server:%d' % slave['id'] )

            for i in range( 0, max*2 ):
                cmd = 'get %s%d\r\n' % (key, i)
                slave_redis.write( cmd )
                trash = slave_redis.read_until( '\r\n' )
                res = slave_redis.read_until( '\r\n' )
                self.assertEquals( res, '%d\r\n' % i,
                                   'inconsistent, server:%d, expected %d but %s' % (slave['id'], i, res)  )
            slave_redis.disconnect()
Example #20
0
    def test_4_mgmt_is_isolated_with_red_failover(self):
        util.print_frame()

        util.iptables_print_list()

        cluster = filter(lambda x: x['cluster_name'] == 'network_isolation_cluster_1', config.clusters)[0]
        util.log(util.json_to_str(cluster))

        self.leader_cm = cluster['servers'][0]

        # MGMT
        mgmt_ip = cluster['servers'][0]['real_ip']
        mgmt_port = cluster['servers'][0]['cm_port']

        # Create cluster
        conf_checker = default_cluster.initialize_starting_up_smr_before_redis( cluster )
        self.assertIsNotNone(conf_checker, 'failed to initialize cluster')

        util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port)

        # Master must be the first pgs, cluster['servers'][0].
        to_be_master = cluster['servers'][0]
        m = util.get_server_by_role_and_pg(cluster['servers'], 'master', to_be_master['pg_id'])
        master_id = -1
        if m['id'] != to_be_master['id']:
            try_cnt = 0
            while master_id != to_be_master['id'] and try_cnt < 20:
                master_id = util.role_change(cluster['servers'][0], cluster['cluster_name'], to_be_master['id'])
                try_cnt += 1
                time.sleep(1)
            self.assertEquals(master_id, to_be_master['id'], 'change %d to a master fail' % to_be_master['id'])

        # Print initial state of cluster
        util.log('\n\n\n ### INITIAL STATE OF CLUSTER ### ')
        initial_state = []
        self.assertTrue(util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, initial_state, check_quorum=True), 'failed to check cluster state')

        # Set SMR option (slave_idle_timeout)
        util.log('\n\n\n ### Set SMR option ###')
        for s in cluster['servers']:
            t = telnet.Telnet('SMR%d' % s['id'])
            self.assertEqual(t.connect(s['ip'], s['smr_mgmt_port']), 0,
                    'Failed to connect to smr. ADDR=%s:%d' % (s['ip'], s['smr_mgmt_port']))
            cmd = 'confset slave_idle_timeout_msec 18000'
            util.log('[%s:%d] >> %s' % (s['ip'], s['smr_mgmt_port'], cmd))
            t.write('confset slave_idle_timeout_msec 18000\r\n')
            reply = t.read_until('\r\n').strip()
            util.log('[%s:%d] << %s' % (s['ip'], s['smr_mgmt_port'], reply))
            self.assertEqual(reply, '+OK', 'Failed to set slave_idle_timeout, REPLY=%s' % reply)

        # Network isolation test
        for loop_cnt in range(3):
            # Block network
            util.log('\n\n\n ### BLOCK NETWORK, %d ### ' % loop_cnt)
            for s in cluster['servers']:
                self.assertTrue(util.iptables_drop('A', '127.0.0.100', s['smr_mgmt_port']), 'add a bloking role to iptables fail.')

            for i in range(4):
                util.log('waiting... %d' % (i + 1))
                time.sleep(1)

            # Check cluster state
            ok = False
            for i in range(7):
                isolated_states = []
                util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, isolated_states, check_quorum=True)
                time.sleep(1)

                state_transition_done = True
                for s in isolated_states:
                    if s['ip'] != '127.0.0.100':
                        continue

                    if s['active_role'] != '?' or s['mgmt_role'] != 'N':
                        state_transition_done = False

                if state_transition_done :
                    ok = True
                    break
                time.sleep(1)
            self.assertTrue(ok, 'Fail, state transition')

            pgs_list = util.get_pgs_info_list(mgmt_ip, mgmt_port, cluster)
            reds = filter(lambda x: x['color'] == 'RED', pgs_list)

            # Shutdown
            server = cluster['servers'][random.choice(reds)['pgs_id']]
            util.log( 'shutdown pgs%d while hanging.' % server['id'] )
            ret = testbase.request_to_shutdown_smr( server )
            self.assertEqual( ret, 0, 'failed to shutdown smr. id:%d' % server['id'] )
            ret = testbase.request_to_shutdown_redis( server )
            self.assertEqual( ret, 0, 'failed to shutdown redis. id:%d' % server['id'] )

            # Check state F
            max_try = 20
            expected = 'F'
            for i in range( 0, max_try):
                util.log('MGMT_IP:%s, MGMT_PORT:%d' % (mgmt_ip, mgmt_port))
                state = util._get_smr_state( server['id'], cluster['cluster_name'], mgmt_ip, mgmt_port )
                if expected == state:
                    break;
                time.sleep( 1 )
            self.assertEqual( expected , state,
                               'server%d - state:%s, expected:%s' % (server['id'], state, expected) )
            util.log( 'succeeded : pgs%d state changed to F.' % server['id'] )

            # Unblock network
            for s in cluster['servers']:
                self.assertTrue(util.iptables_drop('D', '127.0.0.100', s['smr_mgmt_port']), 'delete a bloking role to iptables fail.')

            # Check cluster state
            ok = False
            for i in range(10):
                final_state = []
                util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, final_state, check_quorum=True)

                state_consistency = True
                for s in final_state:
                    if s['pgs_id'] == server['id']:
                        continue

                    if is_pgs_normal(s) == False:
                        state_consistency = False

                if state_consistency:
                    ok = True
                    break
                time.sleep(1)
            self.assertTrue(ok, 'Fail, state consistency')

            # Recovery
            util.log( 'restart pgs%d.' % server['id'] )
            ret = testbase.request_to_start_smr( server )
            self.assertEqual( ret, 0, 'failed to start smr. id:%d' % server['id'] )

            ret = testbase.request_to_start_redis( server )
            self.assertEqual( ret, 0, 'failed to start redis. id:%d' % server['id'] )

            wait_count = 20
            ret = testbase.wait_until_finished_to_set_up_role( server, wait_count )
            self.assertEqual( ret, 0, 'failed to role change. smr_id:%d' % (server['id']) )

            redis = redis_mgmt.Redis( server['id'] )
            ret = redis.connect( server['ip'], server['redis_port'] )
            self.assertEqual( ret, 0, 'failed to connect to redis' )

            ok = False
            for i in xrange(5):
                ok = util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, check_quorum=True)
                if ok:
                    break
                else:
                    time.sleep(1)
            self.assertTrue(ok, 'failed to check cluster state')

            # Reset SMR option (slave_idle_timeout)
            t = telnet.Telnet('SMR%d' % server['id'])
            self.assertEqual(t.connect(server['ip'], server['smr_mgmt_port']), 0,
                    'Failed to connect to smr. ADDR=%s:%d' % (server['ip'], server['smr_mgmt_port']))
            cmd = 'confset slave_idle_timeout_msec 18000'
            util.log('[%s:%d] >> %s' % (server['ip'], server['smr_mgmt_port'], cmd))
            t.write('confset slave_idle_timeout_msec 18000\r\n')
            reply = t.read_until('\r\n').strip()
            util.log('[%s:%d] << %s' % (server['ip'], server['smr_mgmt_port'], reply))
            self.assertEqual(reply, '+OK', 'Failed to set slave_idle_timeout, REPLY=%s' % reply)

        # Check state
        self.assertNotEqual(initial_state, None, 'initial_state is None')
        self.assertNotEqual(final_state, None, 'final_state is None')

        initial_state = sorted(initial_state, key=lambda x: int(x['pgs_id']))
        final_state = sorted(final_state, key=lambda x: int(x['pgs_id']))
        for i in range(len(final_state)):
            msg = 'ts (%d)%d -> (%d)%d' % (initial_state[i]['pgs_id'], initial_state[i]['active_ts'], final_state[i]['pgs_id'], final_state[i]['active_ts'])
            util.log(msg)
            if initial_state[i]['pgs_id'] == 1:
                self.assertNotEqual(initial_state[i]['active_ts'], final_state[i]['active_ts'], msg)

        self.assertTrue(util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, check_quorum=True), 'failed to check cluster state')

        self.assertTrue(conf_checker.final_check())

        # Shutdown cluster
        default_cluster.finalize(cluster)
    def state_transition( self ):
        server = util.get_server_by_role( self.cluster['servers'], 'slave' )
        self.assertNotEquals( server, None, 'failed to get_server_by_role-slave' )

        # get gateway info
        ip, port = util.get_rand_gateway( self.cluster )
        gw = gateway_mgmt.Gateway( self.cluster['servers'][0]['id'] )

        # check initial state
        state = self.get_expected_smr_state( server, 'N' )
        role = util.get_role_of_server( server )
        self.assertEquals( 'N', state,
                           'server%d - state:%s, role:%s, expected:N' % (server['id'], state, role) )

        # shutdown
        ret = testbase.request_to_shutdown_smr( server )
        self.assertEquals( ret, 0, 'failed to shutdown smr' )
        ret = testbase.request_to_shutdown_redis( server )
        self.assertEquals( ret, 0, 'failed to shutdown redis' )
        time.sleep( 3 )


        # check state F
        expected = 'F'
        state = self.get_expected_smr_state( server, expected )
        self.assertEquals( expected , state,
                           'server%d - state:%s, but expected:%s' % (server['id'], state, expected) )

        # set value
        ret = gw.connect( ip, port )
        self.assertEquals( ret, 0, 'failed to connect to gateway, %s:%d' % (ip, port) )
        timestamp  = 0.0
        for i in range( 0, 100 ):
            timestamp = time.time()
            key = 'new_key_haha'
            cmd = 'set %s %f\r\n' % (key, timestamp)
            gw.write( cmd )
            res = gw.read_until( '\r\n' )
            self.assertEquals( res, '+OK\r\n' )
        gw.disconnect()

        # recovery
        ret = testbase.request_to_start_smr( server )
        self.assertEquals( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( server )
        self.assertEquals( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( server, 10 )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server['id']) )
        time.sleep( 5 )

        redis = redis_mgmt.Redis( server['id'] )
        ret = redis.connect( server['ip'], server['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        # check state N
        expected = 'N'
        max_try = 20
        for i in range( 0, max_try ):
            state = self.get_expected_smr_state( server, expected )
            if state == expected:
                break
            time.sleep( 1 )
        role = util.get_role_of_server( server )
        self.assertEquals( expected , state,
                           'server%d - state:%s, role:%s, but expected:%s' % (server['id'], state, role, expected) )
Example #22
0
    def test_migration_with_expire_command(self):
        util.print_frame()

        util.log("start load_generator")
        load_gen_thrd_list = {}
        for i in range(1):
            ip, port = util.get_rand_gateway(self.cluster)
            load_gen_thrd_list[i] = load_generator.LoadGenerator(i, ip, port)
            load_gen_thrd_list[i].start()

        time.sleep(5) # generate load for 5 sec
        tps = 20000
        src_pg_id = 0
        dst_pg_id = 1
        leader_cm = self.cluster['servers'][0]
        src_master = util.get_server_by_role_and_pg(self.cluster['servers'], 'master', src_pg_id)
        dst_master = util.get_server_by_role_and_pg(self.cluster['servers'], 'master', dst_pg_id)

        smr = smr_mgmt.SMR(src_master['id'])
        ret = smr.connect(src_master['ip'], src_master['smr_mgmt_port'])
        if ret != 0:
            util.log('failed to connect to smr(source master)')
            return False

        src_redis = redis_mgmt.Redis(src_master['id'])
        ret = src_redis.connect(src_master['ip'], src_master['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        dst_redis = redis_mgmt.Redis(dst_master['id'])
        ret = dst_redis.connect(dst_master['ip'], dst_master['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        ts = time.time()
        self.setExpireKey(src_redis, 'beforeCheckpoint~beforeCheckpoint:expired', 10)
        self.setExpireKey(src_redis, 'beforeCheckpoint~beforeCheckpoint:persist', 20)
        self.setExpireS3Key(src_redis, 'S3:beforeCheckpoint~beforeCheckpoint:expired', 10)
        self.setExpireS3Key(src_redis, 'S3:beforeCheckpoint~beforeCheckpoint:persist', 20)

        self.setExpireS3Key(src_redis, 'S3:PermanentKey', 0)

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis, 'beforeCheckpoint~beforeCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis, 'beforeCheckpoint~beforeCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis, 'S3:beforeCheckpoint~beforeCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis, 'S3:beforeCheckpoint~beforeCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")

        util.log(">>> migrate test with expire command start(%s), ts:%d" % (time.asctime(), ts))

        ts = time.time()
        self.setExpireKey(src_redis, 'beforeCheckpoint~afterCheckpoint:expired', 10)
        self.setExpireKey(src_redis, 'beforeCheckpoint~afterCheckpoint:persist', 20)
        self.setExpireS3Key(src_redis, 'S3:beforeCheckpoint~afterCheckpoint:expired', 10)
        self.setExpireS3Key(src_redis, 'S3:beforeCheckpoint~afterCheckpoint:persist', 20)

        # notify dst_redis of migration start
        util.log(">>> notify dst_redis of migration start (%s)" % time.asctime())

        cmd = 'migconf migstart %d-%d\r\n' % (0, 8191)
        dst_redis.write(cmd)
        res = dst_redis.read_until('\r\n')
        self.assertEquals( res, '+OK\r\n' )

        # remote partial checkpoint
        util.log(">>> start remote checkpoint and load (%s)" % time.asctime())
        cmd = "./cluster-util --getandplay %s %d %s %d %d-%d %d" % (
                    src_master['ip'], src_master['redis_port'],
                    dst_master['ip'], dst_master['redis_port'],
                    0, 8191, tps)
        p = util.exec_proc_async(util.cluster_util_dir(src_master['id']), cmd, True, None, subprocess.PIPE, None)

        ret = p.wait()
        for line in p.stdout:
            if line.find("Checkpoint Sequence Number:") != -1:
                util.log("seqnumber : " + line[line.rfind(":")+1:])
                seq = int(line[line.rfind(":")+1:])
            util.log(">>>" + str(line.rstrip()))

        self.assertEqual(0, ret)
        util.log(">>> end remote checkpoint and load (%s)" % time.asctime())

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis, 'beforeCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis, 'beforeCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis, 'S3:beforeCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis, 'S3:beforeCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")

        # bgsave for testing later about recovery during migration
        util.log(">>> bgsave for testing later about recovery during migration (%s)" % time.asctime())
        cmd = 'bgsave\r\n'
        dst_redis.write(cmd)
        res = dst_redis.read_until('\r\n')
        self.assertEquals( res, '+Background saving started\r\n' )

        ts = time.time()
        self.setExpireKey(src_redis, 'afterCheckpoint~afterCheckpoint:expired', 10)
        self.setExpireKey(src_redis, 'afterCheckpoint~afterCheckpoint:persist', 20)
        self.setExpireS3Key(src_redis, 'S3:afterCheckpoint~afterCheckpoint:expired', 10)
        self.setExpireS3Key(src_redis, 'S3:afterCheckpoint~afterCheckpoint:persist', 20)

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis, 'afterCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis, 'afterCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis, 'S3:afterCheckpoint~afterCheckpoint:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis, 'S3:afterCheckpoint~afterCheckpoint:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(src_redis, 'afterCheckpoint~duringCatchup:expired', 10)
        self.setExpireKey(src_redis, 'afterCheckpoint~duringCatchup:persist', 100)
        self.setExpireS3Key(src_redis, 'S3:afterCheckpoint~duringCatchup:expired', 10)
        self.setExpireS3Key(src_redis, 'S3:afterCheckpoint~duringCatchup:persist', 100)

        # remote catchup (smr log migration)
        util.log(">>> start remote catchup (%s)" % time.asctime())

        dst_host = dst_master['ip']
        dst_smr_port = dst_master['smr_base_port']
        rle = '1 8192'
        num_part = 8192

        smr.write('migrate start %s %d %d %d %d %s\r\n' % (dst_host, dst_smr_port,
                                                     seq, tps, num_part, rle))
        response = smr.read_until('\r\n')
        if response[:3] != '+OK':
            util.log('failed to execute migrate start command, response:%s' % response)
            return False

        while True:
            smr.write('migrate info\r\n')
            response = smr.read_until('\r\n')
            seqs = response.split()
            logseq = int(seqs[1].split(':')[1])
            mig = int(seqs[2].split(':')[1])
            util.log('migrate info: %s' % response)
            if (logseq-mig < 500000):
                util.log('Remote catchup almost done. try mig2pc')
                break
            time.sleep(1)

        util.log(">>> sleep until 90 sec pass")
        self.assertFalse(time.time() - ts >= 90)
        time.sleep(90 - (time.time() - ts))

        res = self.persistKey(src_redis, 'afterCheckpoint~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis, 'afterCheckpoint~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis, 'S3:afterCheckpoint~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis, 'S3:afterCheckpoint~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(src_redis, 'duringCatchup~duringCatchup:expired', 10)
        self.setExpireKey(src_redis, 'duringCatchup~duringCatchup:persist', 20)
        self.setExpireS3Key(src_redis, 'S3:duringCatchup~duringCatchup:expired', 10)
        self.setExpireS3Key(src_redis, 'S3:duringCatchup~duringCatchup:persist', 20)

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(src_redis, 'duringCatchup~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(src_redis, 'duringCatchup~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(src_redis, 'S3:duringCatchup~duringCatchup:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(src_redis, 'S3:duringCatchup~duringCatchup:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(src_redis, 'duringCatchup~afterMig2pc:expired', 10)
        self.setExpireKey(src_redis, 'duringCatchup~afterMig2pc:persist', 20)
        self.setExpireS3Key(src_redis, 'S3:duringCatchup~afterMig2pc:expired', 10)
        self.setExpireS3Key(src_redis, 'S3:duringCatchup~afterMig2pc:persist', 20)

        util.log(">>> remote catchup phase almost done (%s)" % time.asctime())

        # mig2pc
        util.log(">>> start mig2pc (%s)" % time.asctime())

        cmd = 'mig2pc %s %d %d %d %d' % (self.cluster['cluster_name'], src_pg_id, dst_pg_id,
                                         0, 8191)
        result = util.cm_command(leader_cm['ip'], leader_cm['cm_port'], cmd)
        util.log('mig2pc result : ' + result)
        if not result.startswith('{"state":"success","msg":"+OK"}\r\n'):
            util.log('failed to execute mig2pc command, result:%s' % result)
            return False

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(dst_redis, 'duringCatchup~afterMig2pc:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(dst_redis, 'duringCatchup~afterMig2pc:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(dst_redis, 'S3:duringCatchup~afterMig2pc:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(dst_redis, 'S3:duringCatchup~afterMig2pc:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        self.setExpireKey(dst_redis, 'afterMig2pc~migrateEnd:expired', 10)
        self.setExpireKey(dst_redis, 'afterMig2pc~migrateEnd:persist', 20)
        self.setExpireS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:expired', 10)
        self.setExpireS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:persist', 20)

        # finish migration
        smr.write('migrate interrupt\r\n')
        response = smr.read_until('\r\n')
        util.log('migrate interrupt: %s' % response)
        smr.disconnect()

        # notify dst_redis of migration end
        util.log(">>> notify dst_redis of migration end (%s)" % time.asctime())

        cmd = 'migconf migend\r\n'
        dst_redis.write(cmd)
        res = dst_redis.read_until('\r\n')
        self.assertEquals( res, '+OK\r\n' )

        cmd = 'migconf clearstart %d-%d\r\n' % (0, 8191)
        src_redis.write(cmd)
        res = src_redis.read_until('\r\n')
        self.assertEquals( res, '+OK\r\n' )

        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        res = self.persistKey(dst_redis, 'afterMig2pc~migrateEnd:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistKey(dst_redis, 'afterMig2pc~migrateEnd:expired')
        self.assertEquals(res, ":0\r\n")
        res = self.persistS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:persist')
        self.assertEquals(res, ":1\r\n")
        res = self.persistS3Key(dst_redis, 'S3:afterMig2pc~migrateEnd:expired')
        self.assertEquals(res, ":0\r\n")

        ts = time.time()
        util.log(">>> sleep until 15 sec pass")
        self.assertFalse(time.time() - ts >= 15)
        time.sleep(15 - (time.time() - ts))

        self.assertTrue(self.isExist(dst_redis, 'beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis, 'beforeCheckpoint~beforeCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~beforeCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis, 'beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis, 'beforeCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~duringCatchup:expired'))

        self.assertTrue(self.isExist(dst_redis, 'duringCatchup~duringCatchup:persist'))
        self.assertFalse(self.isExist(dst_redis, 'duringCatchup~duringCatchup:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:duringCatchup~duringCatchup:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:duringCatchup~duringCatchup:expired'))

        self.assertTrue(self.isExist(dst_redis, 'duringCatchup~afterMig2pc:persist'))
        self.assertFalse(self.isExist(dst_redis, 'duringCatchup~afterMig2pc:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:expired'))

        self.assertTrue(self.isExist(dst_redis, 'afterMig2pc~migrateEnd:persist'))
        self.assertFalse(self.isExist(dst_redis, 'afterMig2pc~migrateEnd:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:expired'))

        # remote partial checkpoint
        util.log(">>> start rangedel (%s)" % time.asctime())
        cmd = "./cluster-util --rangedel %s %d %d-%d %d" % (
                    src_master['ip'], src_master['redis_port'],
                    0, 8191, tps)
        p = util.exec_proc_async(util.cluster_util_dir(src_master['id']), cmd, True, None, subprocess.PIPE, None)
        ret = p.wait()

        for line in p.stdout:
            util.log(">>>" + str(line.rstrip()))

        cmd = 'migconf clearend\r\n'
        src_redis.write(cmd)
        res = src_redis.read_until('\r\n')
        self.assertEqual(res, '+OK\r\n')

        time.sleep(5) # generate load for 5 sec
        # check consistency of load_generator
        for i in range(len(load_gen_thrd_list)):
            load_gen_thrd_list[i].quit()
        for i in range(len(load_gen_thrd_list)):
            load_gen_thrd_list[i].join()
            self.assertTrue(load_gen_thrd_list[i].isConsistent(), 'Inconsistent after migration')

        # kill dst_redis and recover from bgsave
        util.log(">>> kill dst_redis and recover from bgsave (%s)" % time.asctime())

        dst_redis.disconnect()
        ret = testbase.request_to_shutdown_redis(dst_master)
        self.assertEquals( ret, 0, 'failed to shutdown redis' )
        ret = testbase.request_to_shutdown_smr(dst_master)
        self.assertEquals(ret, 0, 'failed to shutdown smr')
        time.sleep(5)

        testbase.request_to_start_smr(dst_master)
        self.assertEqual( ret, 0, 'failed to start smr, server:%d' % dst_master['id'] )

        ret = testbase.request_to_start_redis(dst_master)
        self.assertEqual( ret, 0, 'failed to start redis, server:%d' % dst_master['id']  )

        ret = testbase.wait_until_finished_to_set_up_role(dst_master)
        self.assertEquals( ret, 0, 'failed to role change. server:%d' % (dst_master['id']) )

        dst_redis = redis_mgmt.Redis(dst_master['id'])
        ret = dst_redis.connect(dst_master['ip'], dst_master['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        self.assertTrue(self.isExist(dst_redis, 'beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis, 'beforeCheckpoint~beforeCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~beforeCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis, 'beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis, 'beforeCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:beforeCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis, 'afterCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(self.isExist(dst_redis, 'afterCheckpoint~duringCatchup:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:afterCheckpoint~duringCatchup:expired'))

        self.assertTrue(self.isExist(dst_redis, 'duringCatchup~duringCatchup:persist'))
        self.assertFalse(self.isExist(dst_redis, 'duringCatchup~duringCatchup:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:duringCatchup~duringCatchup:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:duringCatchup~duringCatchup:expired'))

        self.assertTrue(self.isExist(dst_redis, 'duringCatchup~afterMig2pc:persist'))
        self.assertFalse(self.isExist(dst_redis, 'duringCatchup~afterMig2pc:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:duringCatchup~afterMig2pc:expired'))

        self.assertTrue(self.isExist(dst_redis, 'afterMig2pc~migrateEnd:persist'))
        self.assertFalse(self.isExist(dst_redis, 'afterMig2pc~migrateEnd:expired'))
        self.assertTrue(self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:persist'))
        self.assertFalse(self.isS3Exist(dst_redis, 'S3:afterMig2pc~migrateEnd:expired'))

        self.getS3TTL(dst_redis, 'S3:PermanentKey')

        # kill dst_slave redis and recover without dump file
        util.log(">>> kill dst_redis and recover without dump file (%s)" % time.asctime())
        dst_slave = util.get_server_by_role_and_pg(self.cluster['servers'], 'slave', dst_pg_id)

        ret = testbase.request_to_shutdown_redis(dst_slave)
        self.assertEquals( ret, 0, 'failed to shutdown redis' )
        ret = testbase.request_to_shutdown_smr(dst_slave)
        self.assertEquals(ret, 0, 'failed to shutdown smr')
        time.sleep(5)

        testbase.request_to_start_smr(dst_slave)
        self.assertEqual( ret, 0, 'failed to start smr, server:%d' % dst_slave['id'] )

        ret = testbase.request_to_start_redis(dst_slave)
        self.assertEqual( ret, 0, 'failed to start redis, server:%d' % dst_slave['id']  )

        ret = testbase.wait_until_finished_to_set_up_role(dst_slave)
        self.assertEquals( ret, 0, 'failed to role change. server:%d' % (dst_slave['id']) )

        dst_redis_slave = redis_mgmt.Redis(dst_slave['id'])
        ret = dst_redis_slave.connect(dst_slave['ip'], dst_slave['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        self.assertTrue(self.isExist(dst_redis_slave, 'beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis_slave, 'beforeCheckpoint~beforeCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis_slave, 'S3:beforeCheckpoint~beforeCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis_slave, 'S3:beforeCheckpoint~beforeCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis_slave, 'beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis_slave, 'beforeCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis_slave, 'S3:beforeCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis_slave, 'S3:beforeCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis_slave, 'afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isExist(dst_redis_slave, 'afterCheckpoint~afterCheckpoint:expired'))
        self.assertTrue(self.isS3Exist(dst_redis_slave, 'S3:afterCheckpoint~afterCheckpoint:persist'))
        self.assertFalse(self.isS3Exist(dst_redis_slave, 'S3:afterCheckpoint~afterCheckpoint:expired'))

        self.assertTrue(self.isExist(dst_redis_slave, 'afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(self.isExist(dst_redis_slave, 'afterCheckpoint~duringCatchup:expired'))
        self.assertTrue(self.isS3Exist(dst_redis_slave, 'S3:afterCheckpoint~duringCatchup:persist'))
        self.assertFalse(self.isS3Exist(dst_redis_slave, 'S3:afterCheckpoint~duringCatchup:expired'))

        self.assertTrue(self.isExist(dst_redis_slave, 'duringCatchup~duringCatchup:persist'))
        self.assertFalse(self.isExist(dst_redis_slave, 'duringCatchup~duringCatchup:expired'))
        self.assertTrue(self.isS3Exist(dst_redis_slave, 'S3:duringCatchup~duringCatchup:persist'))
        self.assertFalse(self.isS3Exist(dst_redis_slave, 'S3:duringCatchup~duringCatchup:expired'))

        self.assertTrue(self.isExist(dst_redis_slave, 'duringCatchup~afterMig2pc:persist'))
        self.assertFalse(self.isExist(dst_redis_slave, 'duringCatchup~afterMig2pc:expired'))
        self.assertTrue(self.isS3Exist(dst_redis_slave, 'S3:duringCatchup~afterMig2pc:persist'))
        self.assertFalse(self.isS3Exist(dst_redis_slave, 'S3:duringCatchup~afterMig2pc:expired'))

        self.assertTrue(self.isExist(dst_redis_slave, 'afterMig2pc~migrateEnd:persist'))
        self.assertFalse(self.isExist(dst_redis_slave, 'afterMig2pc~migrateEnd:expired'))
        self.assertTrue(self.isS3Exist(dst_redis_slave, 'S3:afterMig2pc~migrateEnd:persist'))
        self.assertFalse(self.isS3Exist(dst_redis_slave, 'S3:afterMig2pc~migrateEnd:expired'))

        self.getS3TTL(dst_redis_slave, 'S3:PermanentKey')

        # Go back to initial configuration
        self.assertTrue(util.migration(self.cluster, dst_pg_id, src_pg_id, 0, 8191, 40000),
                'failed to rollback migration')
Example #23
0
    def test_4_role_change_with_failover(self):
        util.print_frame()

        loop_cnt = 0
        while loop_cnt < 5:
            util.log('')
            util.log('Loop:%d' % loop_cnt)

            util.log("States (before role change)")
            util.log_server_state(self.cluster)

            target = random.choice(self.cluster['servers'])

            # bgsave
            ret = util.bgsave(target)
            self.assertTrue(ret, 'failed to bgsave. pgs:%d' % target['id'])

            # shutdown
            util.log('shutdown pgs%d(%s:%d)' % (target['id'], target['ip'], target['smr_base_port']))
            ret = testbase.request_to_shutdown_smr( target )
            self.assertEqual( ret, 0, 'failed to shutdown smr' )

            ret = testbase.request_to_shutdown_redis( target )
            self.assertEquals( ret, 0, 'failed to shutdown redis' )

            running_servers = []
            for s in self.cluster['servers']:
                if s != target:
                    running_servers.append(s)

            # Get old timestamp
            old_timestamps = {}
            for s in running_servers:
                ts = util.get_timestamp_of_pgs(s)
                old_timestamps[s['id']] = ts

            # Start load generator
            self.load_gen_list = {}
            util.log('start load generator')
            for i in range(self.max_load_generator):
                ip, port = util.get_rand_gateway(self.cluster)
                load_gen = load_generator.LoadGenerator(i, ip, port)
                load_gen.start()
                self.load_gen_list[i] = load_gen

            m, s1, s2 = util.get_mss(self.cluster)
            self.assertNotEqual(m, None, 'master is None.')
            self.assertNotEqual(s1, None, 'slave1 is None.')

            # Role change
            master_id = util.role_change(self.leader_cm, self.cluster['cluster_name'], s1['id'])
            self.assertNotEqual(master_id, -1, 'role_change failed')

            util.log("States (after role change)")
            util.log_server_state(self.cluster)

            # Check - get new timestamp
            new_timestamps= {}
            for s in running_servers:
                ts = util.get_timestamp_of_pgs( s )
                new_timestamps[s['id']] = ts

            # Check - compare old timestamps and new timestamps
            for s in running_servers:
                old_ts = old_timestamps[s['id']]
                new_ts = new_timestamps[s['id']]
                self.assertNotEqual(old_ts, new_ts, 'Timestamp of a running server has not changed. %d->%d' % (old_ts, new_ts))

            # Check quorum
            m = self.cluster['servers'][master_id]
            expected = 1
            ok = self.__check_quorum(m, expected)
            self.assertTrue(ok, 'unexpected quorum(after role change). expected:%s' % (expected))

            # recovery
            util.log('recovery pgs%d(%s:%d)' % (target['id'], target['ip'], target['smr_base_port']))
            ret = testbase.request_to_start_smr( target )
            self.assertEqual( ret, 0, 'failed to start smr' )
            util.log('start smr-replicator done')

            ret = testbase.request_to_start_redis( target, 60 )
            self.assertEqual( ret, 0, 'failed to start redis' )
            util.log('start redis-arc done')

            ret = testbase.wait_until_finished_to_set_up_role( target, max_try=300)
            self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (target['id']) )

            util.log("States (after recovery)")
            util.log_server_state(self.cluster)

            # Check quorum
            expected = 1
            ok = self.__check_quorum(m, expected)
            self.assertTrue(ok, 'unexpected quorum(after recovery). expected:%s' % (expected))

            # Cheeck Consistency
            util.log('stop load generator')
            for i in range(self.max_load_generator):
                self.load_gen_list[i].quit()
            for i in range(self.max_load_generator):
                self.load_gen_list[i].join()
                self.assertTrue(self.load_gen_list[i].isConsistent(), 'Inconsistent after migration')
                self.load_gen_list.pop(i, None)

            loop_cnt += 1

        return 0
Example #24
0
    def failover_while_hang( self, server ):
        # timestamp before hang
        ts_before = util.get_timestamp_of_pgs( server )
        self.assertNotEqual( ts_before, -1, 'failed to get a timestamp of pgs(%d), ts_before:%d' % (server['id'], ts_before) )

        # hang
        util.log('pgs(id:%d, ip:%s, port:%d) is going to hang.' % (server['id'], server['ip'], server['smr_mgmt_port']))
        smr = smr_mgmt.SMR( server['id'] )
        ret = smr.connect( server['ip'], server['smr_mgmt_port'] )
        self.assertEqual( ret, 0, 'failed to connect to master. %s:%d' % (server['ip'], server['smr_mgmt_port']) )
        smr.write( 'fi delay sleep 1 10000\r\n' )
        reply = smr.read_until( '\r\n', 1 )
        if reply != None and reply.find('-ERR not supported') != -1:
            self.assertEqual( 0, 1, 'make sure that smr has compiled with gcov option.' )

        time.sleep( 4 )

        # check state F
        max_try = 20
        expected = 'F'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s' % (server['id'], state, expected) )
        util.log( 'succeeded : pgs%d state changed to F.' % server['id'] )

        # shutdown
        util.log( 'shutdown pgs%d while hanging.' % server['id'] )
        ret = testbase.request_to_shutdown_smr( server )
        self.assertEqual( ret, 0, 'failed to shutdown smr. id:%d' % server['id'] )
        ret = testbase.request_to_shutdown_redis( server )
        self.assertEquals( ret, 0, 'failed to shutdown redis. id:%d' % server['id'] )

        # check state F
        max_try = 20
        expected = 'F'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s' % (server['id'], state, expected) )
        util.log( 'succeeded : pgs%d state changed to F.' % server['id'] )

        # recovery
        util.log( 'restart pgs%d.' % server['id'] )
        ret = testbase.request_to_start_smr( server )
        self.assertEqual( ret, 0, 'failed to start smr. id:%d' % server['id'] )

        ret = testbase.request_to_start_redis( server )
        self.assertEqual( ret, 0, 'failed to start redis. id:%d' % server['id'] )

        wait_count = 20
        ret = testbase.wait_until_finished_to_set_up_role( server, wait_count )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (server['id']) )

        redis = redis_mgmt.Redis( server['id'] )
        ret = redis.connect( server['ip'], server['redis_port'] )
        self.assertEquals( ret, 0, 'failed to connect to redis' )

        # check state N
        max_try = 20
        expected = 'N'
        for i in range( 0, max_try):
            state = util.get_smr_state( server, self.leader_cm )
            if expected == state:
                break;
            time.sleep( 1 )
        self.assertEquals( expected , state,
                           'server%d - state:%s, expected:%s' % (server['id'], state, expected) )
        util.log( 'succeeded : pgs%d state changed to N.' % server['id'] )

        # wait for rejoin as a slave
        success = False
        for i in range( 20 ):
            role = util.get_role_of_server( server )
            if role == c.ROLE_SLAVE:
                ts_after = util.get_timestamp_of_pgs( server )
                if ts_after != -1 and ts_before != ts_after:
                    success = True
                    break
            time.sleep( 1 )
        self.assertEqual( success, True, 'failed to rejoin as a slave' )
        util.log( 'succeeded : pgs%d joined as a slave.' % server['id'] )

        return 0
Example #25
0
    def state_transition(self):
        server = util.get_server_by_role(self.cluster['servers'], 'slave')
        self.assertNotEquals(server, None,
                             'failed to get_server_by_role-slave')

        # get gateway info
        ip, port = util.get_rand_gateway(self.cluster)
        gw = gateway_mgmt.Gateway(self.cluster['servers'][0]['id'])

        # check initial state
        state = self.get_expected_smr_state(server, 'N')
        role = util.get_role_of_server(server)
        self.assertEquals(
            'N', state, 'server%d - state:%s, role:%s, expected:N' %
            (server['id'], state, role))

        # shutdown
        ret = testbase.request_to_shutdown_smr(server)
        self.assertEquals(ret, 0, 'failed to shutdown smr')
        ret = testbase.request_to_shutdown_redis(server)
        self.assertEquals(ret, 0, 'failed to shutdown redis')
        time.sleep(3)

        # check state F
        expected = 'F'
        state = self.get_expected_smr_state(server, expected)
        self.assertEquals(
            expected, state, 'server%d - state:%s, but expected:%s' %
            (server['id'], state, expected))

        # set value
        ret = gw.connect(ip, port)
        self.assertEquals(ret, 0,
                          'failed to connect to gateway, %s:%d' % (ip, port))
        timestamp = 0.0
        for i in range(0, 100):
            timestamp = time.time()
            key = 'new_key_haha'
            cmd = 'set %s %f\r\n' % (key, timestamp)
            gw.write(cmd)
            res = gw.read_until('\r\n')
            self.assertEquals(res, '+OK\r\n')
        gw.disconnect()

        # recovery
        ret = testbase.request_to_start_smr(server)
        self.assertEquals(ret, 0, 'failed to start smr')

        ret = testbase.request_to_start_redis(server)
        self.assertEquals(ret, 0, 'failed to start redis')

        ret = testbase.wait_until_finished_to_set_up_role(server, 10)
        self.assertEquals(ret, 0,
                          'failed to role change. smr_id:%d' % (server['id']))
        time.sleep(5)

        redis = redis_mgmt.Redis(server['id'])
        ret = redis.connect(server['ip'], server['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        # check state N
        expected = 'N'
        max_try = 20
        for i in range(0, max_try):
            state = self.get_expected_smr_state(server, expected)
            if state == expected:
                break
            time.sleep(1)
        role = util.get_role_of_server(server)
        self.assertEquals(
            expected, state, 'server%d - state:%s, role:%s, but expected:%s' %
            (server['id'], state, role, expected))
    def test_7_dirty_network_fi(self):
        util.print_frame()
        clnts = []

        try:
            out = util.sudo('iptables -L')
            util.log('====================================================================')
            util.log('out : %s' % out)
            util.log('out.return_code : %d' % out.return_code)
            util.log('out.stderr : %s' % out.stderr)
            util.log('out.succeeded : %s' % out.succeeded)

            # Add forwarding role
            out = util.sudo('iptables -t nat -A OUTPUT -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
            self.assertTrue(out.succeeded, 'add a forwarding role to iptables fail. output:%s' % out)
            out = util.sudo('iptables -t nat -A PREROUTING -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
            self.assertTrue(out.succeeded, 'add a forwarding role to iptables fail. output:%s' % out)

            cluster_name = 'network_isolation_cluster_1'
            cluster = filter(lambda x: x['cluster_name'] == cluster_name, config.clusters)[0]
            util.log(util.json_to_str(cluster))

            self.leader_cm = cluster['servers'][0]

            # MGMT
            mgmt_ip = cluster['servers'][0]['real_ip']
            mgmt_port = cluster['servers'][0]['cm_port']

            # Create cluster
            ret = default_cluster.initialize_starting_up_smr_before_redis( cluster, 
                    conf={'cm_context':'applicationContext-fi.xml'})
            self.assertEqual(0, ret, 'failed to TestMaintenance.initialize')

            # Print initial state of cluster
            util.log('\n\n\n ### INITIAL STATE OF CLUSTER ### ')
            initial_state = []
            self.assertTrue(util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, initial_state, check_quorum=True), 'failed to check cluster state')

            # Start crc16 client
            for s in cluster['servers']:
                c = load_generator_crc16.Crc16Client(s['id'], s['ip'], s['gateway_port'], 3000, verbose=False)
                c.start()
                clnts.append(c)

            # Network isolation test
            cmfi = fi_confmaster.ConfmasterWfFi(['ra', 'qa', 'me', 'yj', 'bj', 'mg'], 
                                                ['lconn', 'slave', 'master', 'setquorum'], [True, False], 1)

            for fi in cmfi:
                # Block network
                util.log('\n\n\n ### BLOCK NETWORK, %s ### ' % str(fi))
                ret = block_network(cluster, mgmt_ip, mgmt_port)
                self.assertTrue(ret, '[%s] failed to block network.' % str(fi))

                for i in xrange(4):
                    util.log('waiting... %d' % (i + 1))
                    time.sleep(1)

                # Check cluster state
                ok = False
                for i in xrange(10):
                    isolated_states = []
                    util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, isolated_states, check_quorum=True)

                    state_transition_done = True
                    for s in isolated_states:
                        if s['ip'] != '127.0.0.100':
                            continue

                        if s['active_role'] != '?' or s['mgmt_role'] != 'N':
                            state_transition_done = False

                    if state_transition_done:
                        ok = True
                        break
                    time.sleep(1)
                self.assertTrue(ok, 'Fail, state transition')

                # Fault injection
                try:
                    self.assertTrue(fi_confmaster.fi_add(fi, 1, mgmt_ip, mgmt_port), 
                            "Confmaster command fail. fi: %s" % str(fi))
                except ValueError as e:
                    self.fail("Confmaster command error. cmd: \"%s\", reply: \"%s\"" % (cmd, reply))

                # Unblock network
                util.log('\n\n\n ### UNBLOCK NETWORK, %s ### ' % str(fi))
                ret = unblock_network(cluster, mgmt_ip, mgmt_port, None)
                self.assertTrue(ret, '[%s] failed to unblock network.' % str(fi))

                for i in xrange(4):
                    util.log('waiting... %d' % (i + 1))
                    time.sleep(1)

                # Check cluster state
                ok = False
                for i in xrange(10):
                    isolated_states = []
                    ok = util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, isolated_states, check_quorum=True)
                    if ok:
                        break
                    time.sleep(1)
                self.assertTrue(ok, '[%s] Fail. unstable cluster.' % str(fi))

                check_cluster = False

                # 'bj', 'slave'
                if fi[0] == 'bj' and fi[1] == 'slave':
                    m, s1, s2 = util.get_mss(cluster)
                    ret = util.role_lconn(s1)
                    self.assertEqual("+OK\r\n", ret, '[%s] role lconn fail.' % str(fi))
                    check_cluster = True
                # 'me', 'lconn'
                elif fi[0] == 'me' and fi[1] == 'lconn':
                    m, s1, s2 = util.get_mss(cluster)
                    ret = util.role_lconn(m)
                    self.assertEqual("+OK\r\n", ret, '[%s] role lconn fail.' % str(fi))
                    check_cluster = True
                # 'qa', 'setquorum'
                elif fi[0] == 'qa' and fi[1] == 'setquorum':
                    m, s1, s2 = util.get_mss(cluster)

                    # shutdown
                    ret = testbase.request_to_shutdown_smr(s1)
                    self.assertEqual(0, ret, '[%s] failed to shutdown smr%d' % (str(fi), s1['id']))
                    ret = testbase.request_to_shutdown_redis(s1)
                    self.assertEqual(0, ret, '[%s] failed to shutdown redis%d' % (str(fi), s1['id']))

                    # Check quorum
                    q = -1
                    for q_cnt in xrange(20):
                        q = util.get_quorum(m)
                        if q == 1:
                            break
                        time.sleep(1)
                    self.assertEquals(1, q, "[%s] check quorum fail." % str(fi))

                    # Modify quorum
                    ret = util.cmd_to_smr_addr(m['ip'], m['smr_mgmt_port'], 'setquorum 0\r\n')
                    self.assertEqual("+OK\r\n", ret, '[%s] "setquorum 0" fail.' % str(fi))

                    # Check quorum
                    q = -1
                    for q_cnt in xrange(20):
                        q = util.get_quorum(m)
                        if q == 1:
                            break
                        time.sleep(1)
                    self.assertEquals(1, q, "[%s] check quorum fail." % str(fi))

                    # recovery
                    ret = testbase.request_to_start_smr(s1)
                    self.assertEqual(0, ret, '[%s] failed to start smr' % str(fi))
                    ret = testbase.request_to_start_redis(s1, max_try=120)
                    self.assertEqual(0, ret, '[%s] failed to start redis' % str(fi))
                    ret = testbase.wait_until_finished_to_set_up_role(s1, 11)
                    self.assertEqual(0, ret, '[%s] failed to role change. smr_id:%d' % (str(fi), s1['id']))

                    check_cluster = True

                # 'setquorum'
                elif fi[1] == 'setquorum':
                    m, s1, s2 = util.get_mss(cluster)
                    ret = util.cmd_to_smr_addr(s1['ip'], s1['smr_mgmt_port'], 'fi delay sleep 1 8000\r\n', timeout=20)
                    self.assertEqual("+OK\r\n", ret, '[%s] "fi delay sleep 1 8000" fail. ret: "%s"' % (str(fi), ret))
                    check_cluster = True

                if check_cluster:
                    # Check cluster state
                    ok = False
                    for i in xrange(20):
                        isolated_states = []
                        ok = util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, isolated_states, check_quorum=True)
                        if ok:
                            break
                        time.sleep(1)
                    self.assertTrue(ok, '[%s] Fail. unstable cluster.' % str(fi))

                # Check fault injection
                ok = False
                for i in xrange(10):
                    count = fi_confmaster.fi_count(fi, mgmt_ip, mgmt_port)
                    if count == 0:
                        ok = True
                        break
                    time.sleep(0.5)
                self.assertTrue(ok, "[%s] fail. failt injection had not been triggered." % str(fi))

            # Shutdown cluster
            ret = default_cluster.finalize( cluster )
            self.assertEqual(ret, 0, '[%s] failed to TestMaintenance.finalize' % str(fi))

            # Delete forwarding role
            out = util.sudo('iptables -t nat -D OUTPUT -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
            self.assertTrue(out.succeeded, 'delete a forwarding role to iptables fail. output:%s' % out)
            out = util.sudo('iptables -t nat -D PREROUTING -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
            self.assertTrue(out.succeeded, 'delete a forwarding role to iptables fail. output:%s' % out)

            for c in clnts:
                self.assertTrue(c.is_consistency(), '[%s] data consistency error!' % str(fi))

        finally:
            for c in clnts:
                c.quit()
            for c in clnts:
                c.join()
Example #27
0
    def test_4_role_change_with_failover(self):
        util.print_frame()

        loop_cnt = 0
        while loop_cnt < 5:
            util.log('')
            util.log('Loop:%d' % loop_cnt)

            util.log("States (before role change)")
            util.log_server_state(self.cluster)

            target = random.choice(self.cluster['servers'])

            # bgsave
            ret = util.bgsave(target)
            self.assertTrue(ret, 'failed to bgsave. pgs:%d' % target['id'])

            # shutdown
            util.log('shutdown pgs%d(%s:%d)' %
                     (target['id'], target['ip'], target['smr_base_port']))
            ret = testbase.request_to_shutdown_smr(target)
            self.assertEqual(ret, 0, 'failed to shutdown smr')

            ret = testbase.request_to_shutdown_redis(target)
            self.assertEquals(ret, 0, 'failed to shutdown redis')

            r = ''
            expected = 'N'
            for fc_cnt in xrange(20):
                r = util.get_smr_role_of_cm(target, self.leader_cm)
                if r == expected:
                    break
                time.sleep(0.5)
            self.assertEquals(r, expected, 'failure detection error.')

            running_servers = []
            for s in self.cluster['servers']:
                if s != target:
                    running_servers.append(s)

            # Get old timestamp
            old_timestamps = {}
            for s in running_servers:
                ts = util.get_timestamp_of_pgs(s)
                old_timestamps[s['id']] = ts

            # Start load generator
            self.load_gen_list = {}
            util.log('start load generator')
            for i in range(self.max_load_generator):
                ip, port = util.get_rand_gateway(self.cluster)
                load_gen = load_generator.LoadGenerator(i, ip, port)
                load_gen.start()
                self.load_gen_list[i] = load_gen

            m, s1, s2 = util.get_mss(self.cluster)
            self.assertNotEqual(m, None, 'master is None.')
            self.assertNotEqual(s1, None, 'slave1 is None.')

            # Role change
            master_id = util.role_change(self.leader_cm,
                                         self.cluster['cluster_name'],
                                         s1['id'])
            self.assertNotEqual(master_id, -1, 'role_change failed')

            util.log("States (after role change)")
            util.log_server_state(self.cluster)

            # Check - get new timestamp
            new_timestamps = {}
            for s in running_servers:
                ts = util.get_timestamp_of_pgs(s)
                new_timestamps[s['id']] = ts

            # Check - compare old timestamps and new timestamps
            for s in running_servers:
                old_ts = old_timestamps[s['id']]
                new_ts = new_timestamps[s['id']]
                self.assertNotEqual(
                    old_ts, new_ts,
                    'Timestamp of a running server has not changed. %d->%d' %
                    (old_ts, new_ts))

            # Check quorum
            m = self.cluster['servers'][master_id]
            expected = 1
            ok = self.__check_quorum(m, expected)
            self.assertTrue(
                ok, 'unexpected quorum(after role change). expected:%s' %
                (expected))

            # recovery
            util.log('recovery pgs%d(%s:%d)' %
                     (target['id'], target['ip'], target['smr_base_port']))
            ret = testbase.request_to_start_smr(target)
            self.assertEqual(ret, 0, 'failed to start smr')
            util.log('start smr-replicator done')

            ret = testbase.request_to_start_redis(target, 60)
            self.assertEqual(ret, 0, 'failed to start redis')
            util.log('start redis-arc done')

            ret = testbase.wait_until_finished_to_set_up_role(target,
                                                              max_try=300)
            self.assertEquals(
                ret, 0, 'failed to role change. smr_id:%d' % (target['id']))

            util.log("States (after recovery)")
            util.log_server_state(self.cluster)

            # Check cluster state
            normal_state = False
            for i in xrange(20):
                normal_state = util.check_cluster(self.cluster['cluster_name'],
                                                  self.leader_cm['ip'],
                                                  self.leader_cm['cm_port'],
                                                  check_quorum=True)
                if normal_state:
                    break
                time.sleep(0.5)
            self.assertTrue(normal_state, "Unstable cluster state")

            # Check quorum
            expected = 2
            ok = self.__check_quorum(m, expected)
            self.assertTrue(
                ok,
                'unexpected quorum(after recovery). expected:%s' % (expected))

            # Cheeck Consistency
            util.log('stop load generator')
            for i in range(self.max_load_generator):
                self.load_gen_list[i].quit()
            for i in range(self.max_load_generator):
                self.load_gen_list[i].join()
                self.assertTrue(self.load_gen_list[i].isConsistent(),
                                'Inconsistent after migration')
                self.load_gen_list.pop(i, None)

            loop_cnt += 1

        return 0
    def recovery_with_local_checkpoint_and_remote_log(self, role):
        server = util.get_server_by_role(self.cluster['servers'], role)

        # set initial data in order to make an elapsed time for bgsave longer
        self.put_some_data()

        # set value
        ip, port = util.get_rand_gateway(self.cluster)
        gw = gateway_mgmt.Gateway(server['id'])
        ret = gw.connect(ip, port)
        self.assertEqual(ret, 0,
                         'failed to connect to gateway, id:%d' % server['id'])
        timestamp = {}
        key_base = 'key0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999'
        for i in range(0, 50000):
            timestamp[i] = time.time()
            k = '%s_%d' % (key_base, i)
            cmd = 'set %s %f\r\n' % (k, timestamp[i])
            gw.write(cmd)
            response = gw.read_until('\r\n')
            self.assertNotEqual(response.find('+OK'), -1,
                                'failed to set key value through gateway')

        # generate a check point
        bgsave_ret = util.bgsave(server)
        self.assertTrue(bgsave_ret, 'failed to bgsave. pgs%d' % server['id'])

        # shutdown
        ret = testbase.request_to_shutdown_smr(server)
        self.assertEqual(ret, 0, 'failed to shutdown smr')
        ret = testbase.request_to_shutdown_redis(server)
        self.assertEqual(ret, 0, 'failed to shutdown redis')
        util.log('succeeded : shutdown pgs%d' % (server['id']))

        # delete smr_logs
        ret = util.delete_smr_logs(server['id'])
        self.assertEqual(ret, 0,
                         'failed to delete smr log, id:%d' % server['id'])
        util.log('succeeded : delete replication logs')

        time.sleep(5)

        # set value
        ret = gw.connect(ip, port)
        self.assertEqual(ret, 0, 'failed to connect to gateway')
        for i in range(50000, 100000):
            timestamp[i] = time.time()
            k = '%s_%d' % (key_base, i)
            cmd = 'set %s %f\r\n' % (k, timestamp[i])
            gw.write(cmd)
            response = gw.read_until('\r\n')
            self.assertNotEqual(response.find('+OK'), -1,
                                'failed to set key value through gateway')

        # recovery
        ret = testbase.request_to_start_smr(server)
        self.assertEqual(ret, 0, 'failed to start smr')

        ret = testbase.request_to_start_redis(server)
        self.assertEqual(ret, 0, 'failed to start redis')
        time.sleep(5)

        ret = testbase.wait_until_finished_to_set_up_role(server)
        self.assertEquals(ret, 0,
                          'failed to role change. smr_id:%d' % (server['id']))
        util.log('succeeded : recover pgs%d' % server['id'])

        # check value
        recovered_redis = redis_mgmt.Redis(server['id'])
        ret = recovered_redis.connect(server['ip'], server['redis_port'])
        self.assertEquals(ret, 0, 'failed to connect to redis')

        for i in range(0, 100000):
            k = '%s_%d' % (key_base, i)
            cmd = 'get %s\r\n' % (k)
            recovered_redis.write(cmd)
            recovered_redis.read_until('\r\n')
            response = recovered_redis.read_until('\r\n')
            self.assertEqual(response, '%f\r\n' % (timestamp[i]),
                             'inconsistent %s, %f' % (response, timestamp[i]))
    def test_quorum( self ):
        util.print_frame()

        master, slave1, slave2 = util.get_mss(self.cluster)

        expected = 2
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        ret = testbase.request_to_shutdown_smr( slave1 )
        self.assertEqual( ret, 0, 'failed to shutdown smr, server:%d' % slave1['id'] )
        time.sleep( 1 )

        expected = 1
        max_try = 20
        for i in range( 0, max_try ):
            master = util.get_server_by_role( self.cluster['servers'], 'master' )
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        ret = testbase.request_to_shutdown_smr( slave2 )
        self.assertEqual( ret, 0, 'failed to shutdown smr, server:%d' % slave2['id'] )
        time.sleep( 1 )

        expected = 0
        max_try = 20
        for i in range( 0, max_try ):
            master = util.get_server_by_role( self.cluster['servers'], 'master' )
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        # recovery
        ret = testbase.request_to_start_smr( slave1 )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( slave1 )
        self.assertEqual( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( slave1 )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (slave1['id']) )
        time.sleep( 1 )

        expected = 1
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )

        # recovery
        ret = testbase.request_to_start_smr( slave2 )
        self.assertEqual( ret, 0, 'failed to start smr' )

        ret = testbase.request_to_start_redis( slave2 )
        self.assertEqual( ret, 0, 'failed to start redis' )

        ret = testbase.wait_until_finished_to_set_up_role( slave2 )
        self.assertEquals( ret, 0, 'failed to role change. smr_id:%d' % (slave2['id']) )
        time.sleep( 1 )

        expected = 2
        max_try = 20
        for i in range( 0, max_try ):
            quorum = util.get_quorum( master )
            if quorum == expected:
                break;
            time.sleep( 1 )
        self.assertEquals( quorum, expected,
                           'quorum:%d, expected:%d' % (quorum, expected) )
Example #30
0
    def test_large_scale_master_election(self):
        util.print_frame()

        # initialize cluster information
        pgs_id = 10
        cluster = {
            'cluster_name': 'large_scale',
            'keyspace_size': 8192,
            'quorum_policy': '0:1',
            'slots': [],
            'pg_id_list': [],
            'servers': []
        }
        pg_max = 32
        pgs_per_pg = 3
        for pg_id in range(pg_max):
            cluster['pg_id_list'].append(pg_id)
            cluster['slots'].append(8192 / pg_max * pg_id)
            if pg_id == pg_max - 1:
                cluster['slots'].append(8191)
            else:
                cluster['slots'].append(8192 / pg_max * (pg_id + 1) - 1)

            for pgs in range(pgs_per_pg):
                smr_base_port = 15000 + pgs_id * 20
                smr_mgmt_port = smr_base_port + 3
                gateway_port = smr_base_port + 10
                redis_port = smr_base_port + 9

                server = {}
                server['id'] = pgs_id
                pgs_id = pgs_id + 1
                server['cluster_name'] = cluster['cluster_name']
                server['ip'] = self.cluster['servers'][0]['ip']
                server['pm_name'] = self.cluster['servers'][0]['pm_name']
                server['cm_port'] = None
                server['pg_id'] = pg_id
                server['smr_base_port'] = smr_base_port
                server['smr_mgmt_port'] = smr_mgmt_port
                server['gateway_port'] = gateway_port
                server['redis_port'] = redis_port
                server['zk_port'] = 2181

                cluster['servers'].append(server)

        # send initialize commands to confmaster
        testbase.initialize_cluster(cluster, self.leader_cm)

        # set up pgs binaries
        try:
            for server in cluster['servers']:
                id = server['id']

                util.log('copy binaries, server_id=%d' % id)
                util.copy_smrreplicator(id)
                util.copy_gw(id)
                util.copy_redis_server(id)
                util.copy_cluster_util(id)

        except IOError as e:
            util.log(e)
            util.log('Error: can not find file or read data')
            self.assertEqual(0, 1, 'Error: can not find file or read data')

        except:
            util.log('Error: file open error.')

        # cleanup servers`s directories
        for server in cluster['servers']:
            ret = testbase.cleanup_pgs_log_and_ckpt(cluster['cluster_name'],
                                                    server)
            self.assertEqual(
                ret, 0,
                'failed to cleanup_test_environment, id=%d' % server['id'])

        # start pgs
        for server in cluster['servers']:
            ret = testbase.request_to_start_smr(server)
            self.assertEqual(
                ret, 0, 'failed to request_to_start_smr, id=%d' % server['id'])

        for server in cluster['servers']:
            ret = testbase.request_to_start_redis(server, check=False)
            self.assertEqual(
                ret, 0, 'failed to request_to_start_smr, id=%d' % server['id'])

        for server in cluster['servers']:
            ret = testbase.wait_until_finished_to_set_up_role(server)
            self.assertEqual(ret, 0,
                             'failed to role set up, id=%d' % server['id'])

        for i in range(4):
            server = cluster['servers'][i]
            ret = testbase.request_to_start_gateway(cluster['cluster_name'],
                                                    server, self.leader_cm)
            self.assertEqual(
                ret, 0,
                'failed to request_to_start_gateway, id=%d' % server['id'])

        clusters = cluster_ls()
        self.assertNotEqual(len(clusters), 0, 'There is no clsuter.')

        ok = True
        for c in clusters:
            if not util.check_cluster(str(c),
                                      self.leader_cm['ip'],
                                      self.leader_cm['cm_port'],
                                      check_quorum=True):
                ok = False

        self.assertEqual(ok, True, 'failed to initlize roles of pgs')
Example #31
0
    def test_large_scale_master_election( self ):
        util.print_frame()

        # initialize cluster information
        pgs_id = 10
        cluster = {
                    'cluster_name' : 'large_scale',
                    'keyspace_size' : 8192,
                    'quorum_policy' : '0:1',
                    'slots' : [],
                    'pg_id_list' : [],
                    'servers' : []
                  }
        pg_max = 32
        pgs_per_pg = 3
        for pg_id in range(pg_max):
            cluster['pg_id_list'].append(pg_id)
            cluster['slots'].append(8192 / pg_max * pg_id)
            if pg_id == pg_max - 1:
                cluster['slots'].append(8191)
            else:
                cluster['slots'].append(8192 / pg_max * (pg_id + 1) - 1)

            for pgs in range(pgs_per_pg):
                smr_base_port = 15000 + pgs_id * 20
                smr_mgmt_port = smr_base_port + 3
                gateway_port = smr_base_port + 10
                redis_port = smr_base_port + 9

                server = {}
                server['id'] = pgs_id
                pgs_id = pgs_id + 1
                server['cluster_name'] = cluster['cluster_name']
                server['ip'] = self.cluster['servers'][0]['ip']
                server['pm_name'] = self.cluster['servers'][0]['pm_name']
                server['cm_port'] = None
                server['pg_id'] = pg_id
                server['smr_base_port'] = smr_base_port
                server['smr_mgmt_port'] = smr_mgmt_port
                server['gateway_port'] = gateway_port
                server['redis_port'] = redis_port
                server['zk_port'] = 2181

                cluster['servers'].append(server)

        # send initialize commands to confmaster
        testbase.initialize_cluster(cluster, self.leader_cm)

        # set up pgs binaries
        try:
            for server in cluster['servers']:
                id = server['id']

                util.log('copy binaries, server_id=%d' % id)
                util.copy_smrreplicator( id )
                util.copy_gw( id )
                util.copy_redis_server( id )
                util.copy_cluster_util( id )

        except IOError as e:
            util.log(e)
            util.log('Error: can not find file or read data')
            self.assertEqual(0, 1, 'Error: can not find file or read data')

        except:
            util.log('Error: file open error.')

        # cleanup servers`s directories
        for server in cluster['servers']:
            ret = testbase.cleanup_pgs_log_and_ckpt( cluster['cluster_name'], server )
            self.assertEqual(ret, 0, 'failed to cleanup_test_environment, id=%d' % server['id'])

        # start pgs
        for server in cluster['servers']:
            ret = testbase.request_to_start_smr( server )
            self.assertEqual(ret, 0, 'failed to request_to_start_smr, id=%d' % server['id'])

        for server in cluster['servers']:
            ret = testbase.request_to_start_redis( server, check=False )
            self.assertEqual(ret, 0, 'failed to request_to_start_smr, id=%d' % server['id'])

        for server in cluster['servers']:
            ret = testbase.wait_until_finished_to_set_up_role(server)
            self.assertEqual(ret, 0, 'failed to role set up, id=%d' % server['id'])

        for i in range(4):
            server = cluster['servers'][i]
            ret = testbase.request_to_start_gateway( cluster['cluster_name'], server, self.leader_cm )
            self.assertEqual(ret, 0, 'failed to request_to_start_gateway, id=%d' % server['id'])

        clusters = cluster_ls()
        self.assertNotEqual(len(clusters), 0, 'There is no clsuter.')

        ok = True
        for c in clusters:
            if not util.check_cluster(str(c), self.leader_cm['ip'], self.leader_cm['cm_port'], check_quorum=True):
                ok = False

        self.assertEqual(ok, True, 'failed to initlize roles of pgs')
Example #32
0
    def test_5_mgmt_is_isolated_with_master_failover(self):
        util.print_frame()

        out = util.sudo('iptables -L')
        util.log('====================================================================')
        util.log('out : %s' % out)
        util.log('out.return_code : %d' % out.return_code)
        util.log('out.stderr : %s' % out.stderr)
        util.log('out.succeeded : %s' % out.succeeded)

        # Add forwarding role (127.0.0.100 -> 127.0.0.1)
        out = util.sudo('iptables -t nat -A OUTPUT -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
        self.assertTrue(out.succeeded, 'add a forwarding role to iptables fail. output:%s' % out)

        out = util.sudo('iptables -t nat -A PREROUTING -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
        self.assertTrue(out.succeeded, 'add a forwarding role to iptables fail. output:%s' % out)

        cluster = filter(lambda x: x['cluster_name'] == 'network_isolation_cluster_1', config.clusters)[0]
        util.log(util.json_to_str(cluster))

        self.leader_cm = cluster['servers'][0]

        # MGMT
        mgmt_ip = cluster['servers'][0]['real_ip']
        mgmt_port = cluster['servers'][0]['cm_port']

        # Create cluster
        ret = default_cluster.initialize_starting_up_smr_before_redis( cluster )
        self.assertEqual(0, ret, 'failed to TestMaintenance.initialize')

        # Print initial state of cluster
        util.log('\n\n\n ### INITIAL STATE OF CLUSTER ### ')
        initial_state = []
        self.assertTrue(util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, initial_state, check_quorum=True), 'failed to check cluster state')

        # Network isolation test
        for loop_cnt in range(3):
            master, slave1, slave2 = util.get_mss(cluster)
            self.assertNotEquals(master, None, 'there is no master')
            self.assertNotEquals(slave1, None, 'there is no slave1')
            self.assertNotEquals(slave2, None, 'there is no slave2')

            # Block network
            util.log('\n\n\n ### BLOCK NETWORK, %d ### ' % loop_cnt)
            out = util.sudo('iptables -A OUTPUT -d 127.0.0.100 -j DROP')
            self.assertTrue(out.succeeded, 'add a bloking role to iptables fail. output:%s' % out)

            for i in range(4):
                util.log('waiting... %d' % (i + 1))
                time.sleep(1)

            # Check cluster state
            ok = False
            for i in range(10):
                isolated_states = []
                util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, isolated_states, check_quorum=True)
                time.sleep(1)

                state_transition_done = True
                for s in isolated_states:
                    if s['ip'] != '127.0.0.100':
                        continue

                    if s['active_role'] != '?' or s['mgmt_role'] != 'N':
                        state_transition_done = False

                if state_transition_done :
                    ok = True
                    break
                time.sleep(1)
            self.assertTrue(ok, 'Fail, state transition')

            # Shutdown master
            util.log( 'shutdown pgs%d while hanging.' % master['id'] )
            ret = testbase.request_to_shutdown_smr( master )
            self.assertEqual( ret, 0, 'failed to shutdown smr. id:%d' % master['id'] )
            ret = testbase.request_to_shutdown_redis( master )
            self.assertEqual( ret, 0, 'failed to shutdown redis. id:%d' % master['id'] )

            # Check state F
            max_try = 20
            expected = 'F'
            for i in range( 0, max_try):
                util.log('MGMT_IP:%s, MGMT_PORT:%d' % (mgmt_ip, mgmt_port))
                state = util._get_smr_state( master['id'], cluster['cluster_name'], mgmt_ip, mgmt_port )
                if expected == state:
                    break;
                time.sleep( 1 )
            self.assertEqual( expected , state,
                               'master%d - state:%s, expected:%s' % (master['id'], state, expected) )
            util.log( 'succeeded : pgs%d state changed to F.' % master['id'] )

            # Unblock network
            util.log('\n\n\n ### UNBLOCK NETWORK, %d ### ' % loop_cnt)
            out = util.sudo('iptables -D OUTPUT -d 127.0.0.100 -j DROP')
            self.assertTrue(out.succeeded, 'delete a bloking role to iptables fail. output:%s' % out)

            # Check cluster state
            ok = False
            for i in range(7):
                final_state = []
                util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, final_state, check_quorum=True)

                state_consistency = True
                for s in final_state:
                    if s['pgs_id'] == master['id']:
                        continue

                    if s['active_role'] != s['mgmt_role']:
                        state_consistency = False

                if state_consistency:
                    ok = True
                    break
                time.sleep(1)
            self.assertTrue(ok, 'Fail, state consistency')

            # Recovery
            util.log( 'restart pgs%d.' % master['id'] )
            ret = testbase.request_to_start_smr( master )
            self.assertEqual( ret, 0, 'failed to start smr. id:%d' % master['id'] )

            ret = testbase.request_to_start_redis( master )
            self.assertEqual( ret, 0, 'failed to start redis. id:%d' % master['id'] )

            wait_count = 20
            ret = testbase.wait_until_finished_to_set_up_role( master, wait_count )
            self.assertEqual( ret, 0, 'failed to role change. smr_id:%d' % (master['id']) )

            redis = redis_mgmt.Redis( master['id'] )
            ret = redis.connect( master['ip'], master['redis_port'] )
            self.assertEqual( ret, 0, 'failed to connect to redis' )

            ok = False
            for i in xrange(5):
                ok = util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, check_quorum=True)
                if ok:
                    break
                else:
                    time.sleep(1)

            self.assertTrue(ok, 'failed to check cluster state')

        # Check state
        self.assertNotEqual(initial_state, None, 'initial_state is None')
        self.assertNotEqual(final_state, None, 'final_state is None')

        initial_state = sorted(initial_state, key=lambda x: int(x['pgs_id']))
        final_state = sorted(final_state, key=lambda x: int(x['pgs_id']))
        for i in range(0, 3):
            msg = 'ts (%d)%d -> (%d)%d' % (initial_state[i]['pgs_id'], initial_state[i]['active_ts'], final_state[i]['pgs_id'], final_state[i]['active_ts'])
            util.log(msg)
            self.assertNotEqual(initial_state[i]['active_ts'], final_state[i]['active_ts'], msg)

        for i in range(3, 6):
            msg = 'ts (%d)%d -> (%d)%d' % (initial_state[i]['pgs_id'], initial_state[i]['active_ts'], final_state[i]['pgs_id'], final_state[i]['active_ts'])
            util.log(msg)
            self.assertEqual(initial_state[i]['active_ts'], final_state[i]['active_ts'], msg)

        self.assertTrue(util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, check_quorum=True), 'failed to check cluster state')

        # Shutdown cluster
        ret = default_cluster.finalize( cluster )
        self.assertEqual(ret, 0, 'failed to TestMaintenance.finalize')

        # Delete forwarding role (127.0.0.100 -> 127.0.0.1)
        out = util.sudo('iptables -t nat -D OUTPUT -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
        self.assertTrue(out.succeeded, 'delete a forwarding role to iptables fail. output:%s' % out)

        out = util.sudo('iptables -t nat -D PREROUTING -d 127.0.0.100 -p tcp -j DNAT --to-destination 127.0.0.1')
        self.assertTrue(out.succeeded, 'delete a forwarding role to iptables fail. output:%s' % out)