def execute_process_failure(self, context, process_name, host_name,
notification_uuid):
novaclient = nova.API()
# get flow for process failure
process_what = {
'context': context,
'process_name': process_name,
'host_name': host_name
}
# TODO(abhishekk) We need to create a map for process_name and
# respective python-client so that we can pass appropriate client
# as a input to the process.
if process_name == "nova-compute":
recovery_flow = process_failure.get_compute_process_recovery_flow
else:
LOG.warning("Skipping recovery for process: %s.",
process_name)
raise exception.SkipProcessRecoveryException()
try:
flow_engine = recovery_flow(novaclient, process_what)
except Exception:
msg = (_('Failed to create process failure flow.'),
notification_uuid)
LOG.exception(msg)
raise exception.MasakariException(msg)
# Attaching this listener will capture all of the notifications that
# taskflow sends out and redirect them to a more useful log for
# masakari's debugging (or error reporting) usage.
with base.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()
def _execute_auto_workflow(self, novaclient, process_what):
flow_engine = host_failure.get_auto_flow(novaclient, process_what)
# Attaching this listener will capture all of the notifications
# that taskflow sends out and redirect them to a more useful
# log for masakari's debugging (or error reporting) usage.
with base.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()
def _execute_rh_workflow(self, novaclient, process_what,
reserved_host_list):
if not reserved_host_list:
msg = _('No reserved_hosts available for evacuation.')
LOG.info(msg)
raise exception.ReservedHostsUnavailable(message=msg)
process_what['reserved_host_list'] = reserved_host_list
flow_engine = host_failure.get_rh_flow(novaclient, process_what)
with base.DynamicLogListener(flow_engine, logger=LOG):
try:
flow_engine.run()
except exception.LockAlreadyAcquired as ex:
raise exception.HostRecoveryFailureException(ex.message)
def execute_instance_failure(self, context, instance_uuid,
notification_uuid):
novaclient = nova.API()
# get flow for instance failure
process_what = {
'context': context,
'instance_uuid': instance_uuid
}
try:
flow_engine = instance_failure.get_instance_recovery_flow(
novaclient, process_what)
except Exception:
msg = (_('Failed to create instance failure flow.'),
notification_uuid)
LOG.exception(msg)
raise exception.MasakariException(msg)
# Attaching this listener will capture all of the notifications that
# taskflow sends out and redirect them to a more useful log for
# masakari's debugging (or error reporting) usage.
with base.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()