def start_db_service(self,
service_candidates,
timeout,
enable_on_boot=True,
update_db=False):
"""Start the database service and wait for the database to become
available.
The service auto-start will be updated only if the service command
succeeds.
:param service_candidates: List of possible system service names.
:type service_candidates: list
:param timeout: Wait timeout in seconds.
:type timeout: integer
:param enable_on_boot: Enable service auto-start.
The auto-start setting will be updated
only if the service command succeeds.
:type enable_on_boot: boolean
:param update_db: Suppress the Trove instance heartbeat.
:type update_db: boolean
:raises: :class:`RuntimeError` on failure.
"""
LOG.info(_("Starting database service."))
operating_system.start_service(service_candidates)
self.wait_for_database_service_start(timeout, update_db=update_db)
if enable_on_boot:
LOG.info(_("Enable service auto-start on boot."))
operating_system.enable_service_on_boot(service_candidates)
def start_db_service(self, service_candidates, timeout,
enable_on_boot=True, update_db=False):
"""Start the database service and wait for the database to become
available.
The service auto-start will be updated only if the service command
succeeds.
:param service_candidates: List of possible system service names.
:type service_candidates: list
:param timeout: Wait timeout in seconds.
:type timeout: integer
:param enable_on_boot: Enable service auto-start.
The auto-start setting will be updated
only if the service command succeeds.
:type enable_on_boot: boolean
:param update_db: Suppress the Trove instance heartbeat.
:type update_db: boolean
:raises: :class:`RuntimeError` on failure.
"""
LOG.info(_("Starting database service."))
operating_system.start_service(service_candidates, timeout=timeout)
self.wait_for_database_service_start(timeout, update_db=update_db)
if enable_on_boot:
LOG.info(_("Enable service auto-start on boot."))
operating_system.enable_service_on_boot(service_candidates)
def start_redis(self, update_db=False):
"""
Start the redis daemon.
"""
LOG.info(_("Starting redis."))
self._enable_redis_on_boot()
operating_system.start_service(system.SERVICE_CANDIDATES)
if not self.status.wait_for_real_status_to_change_to(
rd_instance.ServiceStatuses.RUNNING,
self.state_change_wait_time, update_db):
LOG.error(_("Start up of redis failed."))
try:
utils.execute_with_timeout('pkill', '-9',
'redis-server',
run_as_root=True,
root_helper='sudo')
except exception.ProcessExecutionError:
LOG.exception(_('Error killing stalled redis start command.'))
self.status.end_restart()
def start_redis(self, update_db=False):
"""
Start the redis daemon.
"""
LOG.info(_("Starting redis."))
self._enable_redis_on_boot()
operating_system.start_service(system.SERVICE_CANDIDATES)
if not self.status.wait_for_real_status_to_change_to(
rd_instance.ServiceStatuses.RUNNING,
self.state_change_wait_time, update_db):
LOG.error(_("Start up of redis failed."))
try:
utils.execute_with_timeout('pkill', '-9',
'redis-server',
run_as_root=True,
root_helper='sudo')
except exception.ProcessExecutionError:
LOG.exception(_('Error killing stalled redis start command.'))
self.status.end_install_or_restart()
def enable_ldap(self):
LOG.debug("Starting saslauthd for LDAP support.")
# Ubuntu and RHEL have different ways of enabling the service
saslauthd_init_file = operating_system.file_discovery(
['/etc/default/saslauthd'])
if saslauthd_init_file:
codec = stream_codecs.KeyValueCodec(line_terminator='\n')
saslauthd_init = operating_system.read_file(
saslauthd_init_file, codec=codec, as_root=True)
saslauthd_init['START'] = 'yes'
operating_system.write_file(
saslauthd_init_file, saslauthd_init, codec=codec, as_root=True)
elif operating_system.file_discovery(['/etc/sysconfig/saslauthd']):
operating_system.enable_service_on_boot(['saslauthd'])
else:
LOG.exception(_("Cannot find saslauthd service to enable for LDAP "
"client. Skipping."))
return
operating_system.start_service(['saslauthd'])
saslauthd_conf_file = '/etc/saslauthd.conf'
saslauthd_conf = operating_system.read_file(
saslauthd_conf_file, stream_codecs.YamlCodec(), as_root=True)
saslauthd_conf.update({
'ldap_servers': CONF.get(self.manager).get('ldap_servers'),
'ldap_search_base': CONF.get(self.manager).get('ldap_search_base')
})
ldap_tls_cacert_dir = CONF.get(self.manager).get('ldap_tls_cacert_dir',
None)
if ldap_tls_cacert_dir:
saslauthd_conf.update({
'ldap_tls_cacert_dir': ldap_tls_cacert_dir,
})
ldap_tls_cacert_file = (CONF.get(self.manager)
.get('ldap_tls_cacert_file', None))
if ldap_tls_cacert_file:
saslauthd_conf.update({
'ldap_tls_cacert_file': ldap_tls_cacert_file,
})
operating_system.write_file(
saslauthd_conf_file, saslauthd_conf,
stream_codecs.YamlCodec(), as_root=True)
LOG.debug("Enabled saslauthd as an LDAP client.")
