def open(self):
self.close()
try:
self.tn = telnet.Telnet(self.host, self.port)
print "<telBase>:open"
except:
self.close()
print "telnet %s:%s 连接失败" % (self.host, self.port)
return True
print "telnet %s:%s 连接成功!" % (self.host, self.port)
return False
def __init__(self, id, telnet_ip, telnet_port, timeout=3):
threading.Thread.__init__(self)
self.timeout = timeout
self.ip = telnet_ip
self.port = telnet_port
self.key = 'load_generator_key_%d' % (id)
self.server = telnet.Telnet('0')
self.server.connect(self.ip, self.port)
cmd = 'set %s 0\r\n' % self.key
self.server.write(cmd)
self.server.read_until('\r\n', self.timeout)
self.value = 0
self.consistency = True
def test_1_mgmt_is_isolated(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))
# 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')
# 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 cnt in range(5):
# Block network
util.log('\n\n\n ### BLOCK NETWORK, %d ### ' % cnt)
for s in cluster['servers']:
"""Loopback Address Range (Reference : RFC3330)
127.0.0.0/8 - This block is assigned for use as the Internet host
loopback address. A datagram sent by a higher level protocol to an
address anywhere within this block should loop back inside the host.
This is ordinarily implemented using only 127.0.0.1/32 for loopback,
but no addresses within this block should ever appear on any network
anywhere [RFC1700, page 5].
"""
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')
# Unblock network
util.log('\n\n\n ### UNBLOCK NETWORK, %d ### ' % cnt)
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(7):
final_state = []
util.check_cluster(cluster['cluster_name'], mgmt_ip, mgmt_port, final_state, check_quorum=True)
all_green = True
for s in final_state:
if is_pgs_normal(s) == False:
all_green = False
if all_green:
ok = True
break
time.sleep(1)
self.assertTrue(ok, 'Fail, state consistency')
# Check state
self.assertNotEqual(initial_state, None, 'initial_state is None')
self.assertNotEqual(final_state, None, 'final_state is None')
self.assertTrue(conf_checker.final_check())
# Shutdown cluster
default_cluster.finalize(cluster)
def test_5_mgmt_is_isolated_with_lconn(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')
# 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):
# Get master
master = util.get_server_by_role_and_pg( cluster['servers'], 'master', 0 )
first_slave = None
for s in cluster['servers']:
if s == master:
continue
# Skip non-virtual host
if s.has_key('real_ip') == False:
continue
if first_slave == None:
first_slave = s
# 'role lconn'
util.log( 'role lconn pgs%d while hanging.' % s['id'] )
ret = util.role_lconn_addr( s['real_ip'], s['smr_mgmt_port'] )
self.assertEqual( ret, '+OK\r\n', 'role lconn failed. reply="%s"' % (ret[:-2]) )
util.log( 'succeeded : cmd="role lconn", reply="%s"' % (ret[:-2]) )
time.sleep(0.5)
# Block network
util.log('\n\n\n ### BLOCK NETWORK, %d ### ' % loop_cnt)
self.assertTrue(util.iptables_drop('A', '127.0.0.100', first_slave['smr_mgmt_port']), 'add a bloking role to iptables fail.')
for i in range(6):
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['pgs_id'] != first_slave['id']:
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')
# Unblock network
self.assertTrue(util.iptables_drop('D', '127.0.0.100', first_slave['smr_mgmt_port']), 'delete a bloking role to iptables fail.')
# 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'] == 1:
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')
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(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)
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 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 test_1_mgmt_is_isolated(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)
cluster = filter(lambda x: x['cluster_name'] == 'network_isolation_cluster_1', config.clusters)[0]
util.log(util.json_to_str(cluster))
# 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')
# 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 cnt in range(5):
# Block network
util.log('\n\n\n ### BLOCK NETWORK, %d ### ' % cnt)
for s in cluster['servers']:
out = util.sudo('iptables -A OUTPUT -d 127.0.0.100 -p tcp --dport %d -j DROP' % (s['smr_mgmt_port']))
"""Loopback Address Range (Reference : RFC3330)
127.0.0.0/8 - This block is assigned for use as the Internet host
loopback address. A datagram sent by a higher level protocol to an
address anywhere within this block should loop back inside the host.
This is ordinarily implemented using only 127.0.0.1/32 for loopback,
but no addresses within this block should ever appear on any network
anywhere [RFC1700, page 5].
"""
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(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')
# Unblock network
util.log('\n\n\n ### UNBLOCK NETWORK, %d ### ' % cnt)
for s in cluster['servers']:
out = util.sudo('iptables -D OUTPUT -d 127.0.0.100 -p tcp --dport %d -j DROP' % (s['smr_mgmt_port']))
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['active_role'] != s['mgmt_role']:
state_consistency = False
if state_consistency:
ok = True
break
time.sleep(1)
self.assertTrue(ok, 'Fail, state consistency')
# 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)
self.assertEqual(initial_state[i]['active_ts'], final_state[i]['active_ts'], msg)
# Shutdown cluster
ret = default_cluster.finalize( cluster )
self.assertEqual(ret, 0, 'failed to TestMaintenance.finalize')