OpenStack Orchestration (Heat)
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heat/heat/engine/cloud_watch.py

81 lines
2.9 KiB

# 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.
import eventlet
import logging
import json
import os
from heat.common import exception
from heat.db import api as db_api
from heat.engine.resources import Resource
logger = logging.getLogger('heat.engine.cloud_watch')
class CloudWatchAlarm(Resource):
properties_schema = {'ComparisonOperator': {'Type': 'String',
'AllowedValues': ['GreaterThanOrEqualToThreshold',
'GreaterThanThreshold', 'LessThanThreshold',
'LessThanOrEqualToThreshold']},
'AlarmDescription': {'Type': 'String'},
'EvaluationPeriods': {'Type': 'String'},
'MetricName': {'Type': 'String'},
'Namespace': {'Type': 'String'},
'Period': {'Type': 'String'},
'Statistic': {'Type': 'String',
'AllowedValues': ['SampleCount', 'Average', 'Sum',
'Minimum', 'Maximum']},
'AlarmActions': {'Type': 'List'},
'OKActions': {'Type': 'List'},
'InsufficientDataActions': {'Type': 'List'},
'Threshold': {'Type': 'String'},
'Units': {'Type': 'String',
'AllowedValues': ['Seconds', 'Microseconds', 'Milliseconds',
'Bytes', 'Kilobytes', 'Megabytes', 'Gigabytes',
'Terabytes', 'Bits', 'Kilobits', 'Megabits', 'Gigabits',
'Terabits', 'Percent', 'Count', 'Bytes/Second',
'Kilobytes/Second', 'Megabytes/Second', 'Gigabytes/Second',
'Terabytes/Second', 'Bits/Second', 'Kilobits/Second',
'Megabits/Second', 'Gigabits/Second', 'Terabits/Second',
'Count/Second', None]}}
strict_dependency = False
def validate(self):
'''
Validate the Properties
'''
return Resource.validate(self)
def handle_create(self):
wr_values = {
'name': self.name,
'rule': self.parsed_template()['Properties'],
'state': 'NORMAL',
'stack_name': self.stack.name
}
wr = db_api.watch_rule_create(self.stack.context, wr_values)
self.instance_id = wr.id
def handle_delete(self):
try:
db_api.watch_rule_delete(self.stack.context, self.name)
except exception.NotFound:
pass
def FnGetRefId(self):
return unicode(self.name)