def pg_ctlcluster(self, unit, command):
cmd = [
'juju', 'ssh', unit,
# Due to Bug #1191079, we need to send the whole remote command
# as a single argument.
'sudo pg_ctlcluster 9.1 main -force {}'.format(command)]
run(self, cmd)
def sql(self, sql, postgres_unit=None, psql_unit=None, dbname=None):
'''Run some SQL on postgres_unit from psql_unit.
Uses a random psql_unit and postgres_unit if not specified.
postgres_unit may be set to an explicit unit name, 'master' or
'hot standby'.
A db-admin relation is used if dbname is specified. Otherwise,
a standard db relation is used.
'''
if psql_unit is None:
psql_unit = (
self.juju.status['services']['psql']['units'].keys()[0])
# The psql statements we are going to execute.
sql = sql.strip()
if not sql.endswith(';'):
sql += ';'
sql += '\n\\q\n'
# The command we run to connect psql to the desired database.
if postgres_unit is None:
postgres_unit = (
self.juju.status['services']['postgresql']['units'].keys()[0])
elif postgres_unit == 'hot standby':
postgres_unit = 'hot-standby' # Munge for generating script name.
if dbname is None:
psql_cmd = [
'psql-db-{}'.format(postgres_unit.replace('/', '-'))]
else:
psql_cmd = [
'psql-db-admin-{}'.format(
postgres_unit.replace('/', '-')), '-d', dbname]
psql_args = [
'--quiet', '--tuples-only', '--no-align', '--no-password',
'--field-separator=,', '--file=-']
cmd = [
'juju', 'ssh', psql_unit,
# Due to Bug #1191079, we need to send the whole remote command
# as a single argument.
' '.join(psql_cmd + psql_args)]
out = run(self, cmd, input=sql)
result = [line.split(',') for line in out.splitlines()]
self.addDetail('sql', text_content(repr((sql, result))))
return result
def test_syslog(self):
# Deploy 2 PostgreSQL units and 2 rsyslog units to ensure that
# log messages from every source reach every sink.
self.pg_config['log_min_duration_statement'] = 0 # Log all statements
self.juju.deploy(TEST_CHARM,
'postgresql',
num_units=2,
config=self.pg_config)
self.juju.deploy(PSQL_CHARM, 'psql')
self.juju.do(['add-relation', 'postgresql:db', 'psql:db'])
self.juju.deploy('cs:rsyslog', 'rsyslog', num_units=2)
self.juju.do(
['add-relation', 'postgresql:syslog', 'rsyslog:aggregator'])
pg_units = ['postgresql/0', 'postgresql/1']
self.wait_until_ready(pg_units)
token = str(uuid.uuid1())
self.sql("SELECT 'master {}'".format(token), 'master')
self.sql("SELECT 'hot standby {}'".format(token), 'hot standby')
time.sleep(2)
for runit in ['rsyslog/0', 'rsyslog/1']:
cmd = ['juju', 'run', '--unit', runit, 'tail -100 /var/log/syslog']
out = run(self, cmd)
self.failUnless('master {}'.format(token) in out)
self.failUnless('hot standby {}'.format(token) in out)
# Confirm that the relation tears down correctly.
self.juju.do(['destroy-service', 'rsyslog'])
timeout = time.time() + 120
while time.time() < timeout:
status = self.juju.refresh_status()
if 'rsyslog' not in status['services']:
break
self.assert_('rsyslog' not in status['services'],
'rsyslog failed to die')
self.wait_until_ready(pg_units)
def test_syslog(self):
# Deploy 2 PostgreSQL units and 2 rsyslog units to ensure that
# log messages from every source reach every sink.
self.pg_config['log_min_duration_statement'] = 0 # Log all statements
self.juju.deploy(
TEST_CHARM, 'postgresql', num_units=2, config=self.pg_config)
self.juju.deploy(PSQL_CHARM, 'psql')
self.juju.do(['add-relation', 'postgresql:db', 'psql:db'])
self.juju.deploy('cs:rsyslog', 'rsyslog', num_units=2)
self.juju.do([
'add-relation', 'postgresql:syslog', 'rsyslog:aggregator'])
pg_units = ['postgresql/0', 'postgresql/1']
self.wait_until_ready(pg_units)
token = str(uuid.uuid1())
self.sql("SELECT 'master {}'".format(token), 'master')
self.sql("SELECT 'hot standby {}'".format(token), 'hot standby')
time.sleep(2)
for runit in ['rsyslog/0', 'rsyslog/1']:
cmd = ['juju', 'run', '--unit', runit, 'tail -100 /var/log/syslog']
out = run(self, cmd)
self.failUnless('master {}'.format(token) in out)
self.failUnless('hot standby {}'.format(token) in out)
# Confirm that the relation tears down correctly.
self.juju.do(['destroy-service', 'rsyslog'])
timeout = time.time() + 120
while time.time() < timeout:
status = self.juju.refresh_status()
if 'rsyslog' not in status['services']:
break
self.assert_(
'rsyslog' not in status['services'], 'rsyslog failed to die')
self.wait_until_ready(pg_units)
def pg_ctlcluster(self, unit, command):
cmd = [
'juju', 'run', '--unit', unit,
'sudo pg_ctlcluster 9.1 main -force {}'.format(command)
]
run(self, cmd)
def pg_ctlcluster(self, unit, command):
cmd = [
'juju', 'run', '--unit', unit,
'sudo pg_ctlcluster 9.1 main -force {}'.format(command)]
run(self, cmd)