102 lines
3.6 KiB
Python
102 lines
3.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
from heat.db import api as db_api
|
|
from heat.common import exception
|
|
from heat.common import identifier
|
|
from heat.openstack.common import log as logging
|
|
from heat.openstack.common.gettextutils import _
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Event(object):
|
|
'''Class representing a Resource state change.'''
|
|
|
|
def __init__(self, context, stack, action, status, reason,
|
|
physical_resource_id, resource_properties, resource_name,
|
|
resource_type, timestamp=None, id=None):
|
|
'''
|
|
Initialise from a context, stack, and event information. The timestamp
|
|
and database ID may also be initialised if the event is already in the
|
|
database.
|
|
'''
|
|
self.context = context
|
|
self.stack = stack
|
|
self.action = action
|
|
self.status = status
|
|
self.reason = reason
|
|
self.physical_resource_id = physical_resource_id
|
|
self.resource_name = resource_name
|
|
self.resource_type = resource_type
|
|
try:
|
|
self.resource_properties = dict(resource_properties)
|
|
except ValueError as ex:
|
|
self.resource_properties = {'Error': str(ex)}
|
|
self.timestamp = timestamp
|
|
self.id = id
|
|
|
|
@classmethod
|
|
def load(cls, context, event_id, event=None, stack=None):
|
|
'''Retrieve an Event from the database.'''
|
|
from heat.engine import parser
|
|
|
|
ev = event if event is not None else\
|
|
db_api.event_get(context, event_id)
|
|
if ev is None:
|
|
message = _('No event exists with id "%s"') % str(event_id)
|
|
raise exception.NotFound(message)
|
|
|
|
st = stack if stack is not None else\
|
|
parser.Stack.load(context, ev.stack_id)
|
|
|
|
return cls(context, st, ev.resource_action, ev.resource_status,
|
|
ev.resource_status_reason, ev.physical_resource_id,
|
|
ev.resource_properties, ev.resource_name,
|
|
ev.resource_type, ev.created_at, ev.id)
|
|
|
|
def store(self):
|
|
'''Store the Event in the database.'''
|
|
ev = {
|
|
'resource_name': self.resource_name,
|
|
'physical_resource_id': self.physical_resource_id,
|
|
'stack_id': self.stack.id,
|
|
'resource_action': self.action,
|
|
'resource_status': self.status,
|
|
'resource_status_reason': self.reason,
|
|
'resource_type': self.resource_type,
|
|
'resource_properties': self.resource_properties,
|
|
}
|
|
|
|
if self.timestamp is not None:
|
|
ev['created_at'] = self.timestamp
|
|
|
|
if self.id is not None:
|
|
logger.warning(_('Duplicating event'))
|
|
|
|
new_ev = db_api.event_create(self.context, ev)
|
|
self.id = new_ev.id
|
|
return self.id
|
|
|
|
def identifier(self):
|
|
'''Return a unique identifier for the event.'''
|
|
if self.id is None:
|
|
return None
|
|
|
|
res_id = identifier.ResourceIdentifier(
|
|
resource_name=self.resource_name, **self.stack.identifier())
|
|
|
|
return identifier.EventIdentifier(event_id=str(self.id), **res_id)
|