def check_mysql_status(self, context, id):
"""Make a synchronous call to trigger smart agent for checking MySQL status"""
instance = dbutils.get_instance(id)
LOG.debug("Triggering smart agent on Instance %s (%s) to check MySQL status.", id, instance['remote_hostname'])
result = rpc.call(context, instance['remote_hostname'], {"method": "check_mysql_status"})
# update instance state in guest_status table upon receiving smart agent response
dbutils.update_guest_status(id, int(result))
return result
def update_instance_state(self, msg):
"""Update instance state in guest_status table."""
LOG.debug("Updating instance state: %s", msg)
# validate input message
if not msg['args']['hostname']:
raise exception.NotFound("Required element/key 'hostname' was not specified in phone home message.")
if '' == msg['args']['state']:
raise exception.NotFound("Required element/key 'state' was not specified in phone home message.")
# update DB
instance = dbutils.get_instance_by_hostname(msg['args']['hostname'])
state = result_state.ResultState().name(int(msg['args']['state']))
# Treat running and success the same
if state == 'running' or state == 'success':
state = 'running'
credential_id = instance['credential']
region = instance['availability_zone']
remote_uuid = instance['remote_uuid']
if instance['address'] is None:
# Look up the public_ip for nova instance
credential = models.Credential.find_by(id=credential_id)
try:
remote_instance = models.Instance(credential=credential, region=region, uuid=remote_uuid)
# as of Oct 24, 2012, the phonehomehandler has not be executed anymore, app server does all the updates towards api db
public_ip = self._extract_public_ip(remote_instance.data())
LOG.debug("Updating Instance %s with IP: %s" % (instance['id'], public_ip))
dbutils.update_instance_with_ip(instance['id'], public_ip)
except exception.NotFound:
LOG.warn("Unable to find Remote instance and extract public ip")
except exception.ReddwarfError:
LOG.exception("Error occurred updating instance with public ip")
LOG.debug("Updating mysql instance state for Instance %s", instance['id'])
dbutils.update_guest_status(instance['id'], state)
