100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import eventlet
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import logging
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import json
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import os
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from heat.common import exception
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from heat.db import api as db_api
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from heat.engine.resources import Resource
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logger = logging.getLogger('heat.engine.cloud_watch')
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class CloudWatchAlarm(Resource):
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properties_schema = {'ComparisonOperator': {'Type': 'String',
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'AllowedValues': ['GreaterThanOrEqualToThreshold',
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'GreaterThanThreshold', 'LessThanThreshold',
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'LessThanOrEqualToThreshold']},
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'AlarmDescription': {'Type': 'String'},
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'EvaluationPeriods': {'Type': 'String'},
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'MetricName': {'Type': 'String'},
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'Namespace': {'Type': 'String'},
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'Period': {'Type': 'String'},
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'Statistic': {'Type': 'String',
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'AllowedValues': ['SampleCount', 'Average', 'Sum',
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'Minimum', 'Maximum']},
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'AlarmActions': {'Type': 'List'},
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'OKActions': {'Type': 'List'},
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'InsufficientDataActions': {'Type': 'List'},
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'Threshold': {'Type': 'String'},
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'Units': {'Type': 'String',
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'AllowedValues': ['Seconds', 'Microseconds', 'Milliseconds',
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'Bytes', 'Kilobytes', 'Megabytes', 'Gigabytes',
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'Terabytes', 'Bits', 'Kilobits', 'Megabits', 'Gigabits',
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'Terabits', 'Percent', 'Count', 'Bytes/Second',
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'Kilobytes/Second', 'Megabytes/Second', 'Gigabytes/Second',
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'Terabytes/Second', 'Bits/Second', 'Kilobits/Second',
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'Megabits/Second', 'Gigabits/Second', 'Terabits/Second',
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'Count/Second', None]}}
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def __init__(self, name, json_snippet, stack):
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super(CloudWatchAlarm, self).__init__(name, json_snippet, stack)
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self.instance_id = ''
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def validate(self):
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'''
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Validate the Properties
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'''
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return Resource.validate(self)
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def create(self):
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if self.state is not None:
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return
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self.state_set(self.CREATE_IN_PROGRESS)
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Resource.create(self)
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wr_values = {
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'name': self.name,
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'rule': self.parsed_template()['Properties'],
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'state': 'NORMAL',
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'stack_name': self.stack.name
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}
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wr = db_api.watch_rule_create(self.stack.context, wr_values)
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self.instance_id = wr.id
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self.state_set(self.CREATE_COMPLETE)
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def delete(self):
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if self.state == self.DELETE_IN_PROGRESS or \
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self.state == self.DELETE_COMPLETE:
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return
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self.state_set(self.DELETE_IN_PROGRESS)
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Resource.delete(self)
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db_api.watch_rule_delete(self.stack.context, self.name)
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self.state_set(self.DELETE_COMPLETE)
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def FnGetRefId(self):
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return unicode(self.name)
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def strict_dependency(self):
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return False
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