def get_one(self, id):
"""Gets a single healthmonitor's details."""
context = pecan.request.context.get('octavia_context')
db_hm = self._get_db_hm(context.session, id)
self._auth_validate_action(context, db_hm.project_id,
constants.RBAC_GET_ONE)
result = self._convert_db_to_type(
db_hm, hm_types.HealthMonitorResponse)
return hm_types.HealthMonitorRootResponse(healthmonitor=result)
def get_one(self, id, fields=None):
"""Gets a single healthmonitor's details."""
context = pecan.request.context.get('octavia_context')
db_hm = self._get_db_hm(context.session, id, show_deleted=False)
self._auth_validate_action(context, db_hm.project_id,
consts.RBAC_GET_ONE)
result = self._convert_db_to_type(db_hm,
hm_types.HealthMonitorResponse)
if fields is not None:
result = self._filter_fields([result], fields)[0]
return hm_types.HealthMonitorRootResponse(healthmonitor=result)
def put(self, id, health_monitor_):
"""Updates a health monitor."""
context = pecan.request.context.get('octavia_context')
health_monitor = health_monitor_.healthmonitor
db_hm = self._get_db_hm(context.session, id, show_deleted=False)
pool = self._get_db_pool(context.session, db_hm.pool_id)
project_id, provider = self._get_lb_project_id_provider(
context.session, pool.load_balancer_id)
self._auth_validate_action(context, project_id, consts.RBAC_PUT)
self._validate_update_hm(db_hm, health_monitor)
# Load the driver early as it also provides validation
driver = driver_factory.get_driver(provider)
with db_api.get_lock_session() as lock_session:
self._test_lb_and_listener_and_pool_statuses(lock_session, db_hm)
# Prepare the data for the driver data model
healthmon_dict = health_monitor.to_dict(render_unsets=False)
healthmon_dict['id'] = id
provider_healthmon_dict = (
driver_utils.hm_dict_to_provider_dict(healthmon_dict))
# Also prepare the baseline object data
old_provider_healthmon = driver_utils.db_HM_to_provider_HM(db_hm)
# Dispatch to the driver
LOG.info("Sending update Health Monitor %s to provider %s", id,
driver.name)
driver_utils.call_provider(
driver.name, driver.health_monitor_update,
old_provider_healthmon,
driver_dm.HealthMonitor.from_dict(provider_healthmon_dict))
# Update the database to reflect what the driver just accepted
health_monitor.provisioning_status = consts.PENDING_UPDATE
db_hm_dict = health_monitor.to_dict(render_unsets=False)
self.repositories.health_monitor.update(lock_session, id,
**db_hm_dict)
# Force SQL alchemy to query the DB, otherwise we get inconsistent
# results
context.session.expire_all()
db_hm = self._get_db_hm(context.session, id)
result = self._convert_db_to_type(db_hm,
hm_types.HealthMonitorResponse)
return hm_types.HealthMonitorRootResponse(healthmonitor=result)
def _send_hm_to_handler(self, session, db_hm):
try:
LOG.info("Sending Creation of Health Monitor %s to handler",
db_hm.id)
self.handler.create(db_hm)
except Exception:
with excutils.save_and_reraise_exception(
reraise=False), db_api.get_lock_session() as lock_session:
self._reset_lb_listener_pool_statuses(
lock_session, db_hm)
# Health Monitor now goes to ERROR
self.repositories.health_monitor.update(
lock_session, db_hm.id,
provisioning_status=constants.ERROR)
db_hm = self._get_db_hm(session, db_hm.id)
result = self._convert_db_to_type(
db_hm, hm_types.HealthMonitorResponse)
return hm_types.HealthMonitorRootResponse(healthmonitor=result)
def post(self, health_monitor_):
"""Creates a health monitor on a pool."""
context = pecan.request.context.get('octavia_context')
health_monitor = health_monitor_.healthmonitor
if (not CONF.api_settings.allow_ping_health_monitors
and health_monitor.type == consts.HEALTH_MONITOR_PING):
raise exceptions.DisabledOption(option='type',
value=consts.HEALTH_MONITOR_PING)
pool = self._get_db_pool(context.session, health_monitor.pool_id)
health_monitor.project_id, provider = self._get_lb_project_id_provider(
context.session, pool.load_balancer_id)
if pool.protocol == consts.PROTOCOL_UDP:
self._validate_healthmonitor_request_for_udp(health_monitor)
else:
if health_monitor.type == consts.HEALTH_MONITOR_UDP_CONNECT:
raise exceptions.ValidationException(
detail=_(
"The %(type)s type is only supported for pools of type "
"%(protocol)s.") % {
'type': health_monitor.type,
'protocol': consts.PROTOCOL_UDP
})
self._auth_validate_action(context, health_monitor.project_id,
consts.RBAC_POST)
# Load the driver early as it also provides validation
driver = driver_factory.get_driver(provider)
lock_session = db_api.get_session(autocommit=False)
try:
if self.repositories.check_quota_met(context.session, lock_session,
data_models.HealthMonitor,
health_monitor.project_id):
raise exceptions.QuotaException(
resource=data_models.HealthMonitor._name())
hm_dict = db_prepare.create_health_monitor(
health_monitor.to_dict(render_unsets=True))
self._test_lb_and_listener_and_pool_statuses(
lock_session, health_monitor)
db_hm = self._validate_create_hm(lock_session, hm_dict)
# Prepare the data for the driver data model
provider_healthmon = (driver_utils.db_HM_to_provider_HM(db_hm))
# Dispatch to the driver
LOG.info("Sending create Health Monitor %s to provider %s",
db_hm.id, driver.name)
driver_utils.call_provider(driver.name,
driver.health_monitor_create,
provider_healthmon)
lock_session.commit()
except odb_exceptions.DBError:
lock_session.rollback()
raise exceptions.InvalidOption(value=hm_dict.get('type'),
option='type')
except Exception:
with excutils.save_and_reraise_exception():
lock_session.rollback()
db_hm = self._get_db_hm(context.session, db_hm.id)
result = self._convert_db_to_type(db_hm,
hm_types.HealthMonitorResponse)
return hm_types.HealthMonitorRootResponse(healthmonitor=result)
