ef4cf621fb
This moves some utility functions to service_utils from stack_lock. Change-Id: Iebc39a7f7b15dd5eea4be3cd3fdaea22607dd72e
86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import uuid
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from oslo_utils import timeutils
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from heat.rpc import listener_client
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SERVICE_KEYS = (
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SERVICE_ID,
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SERVICE_HOST,
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SERVICE_HOSTNAME,
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SERVICE_BINARY,
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SERVICE_TOPIC,
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SERVICE_ENGINE_ID,
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SERVICE_REPORT_INTERVAL,
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SERVICE_CREATED_AT,
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SERVICE_UPDATED_AT,
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SERVICE_DELETED_AT,
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SERVICE_STATUS
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) = (
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'id',
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'host',
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'hostname',
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'binary',
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'topic',
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'engine_id',
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'report_interval',
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'created_at',
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'updated_at',
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'deleted_at',
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'status'
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)
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def format_service(service):
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if service is None:
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return
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status = 'down'
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if service.updated_at is not None:
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if ((timeutils.utcnow() - service.updated_at).total_seconds()
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<= service.report_interval):
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status = 'up'
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else:
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if ((timeutils.utcnow() - service.created_at).total_seconds()
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<= service.report_interval):
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status = 'up'
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result = {
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SERVICE_ID: service.id,
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SERVICE_BINARY: service.binary,
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SERVICE_ENGINE_ID: service.engine_id,
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SERVICE_HOST: service.host,
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SERVICE_HOSTNAME: service.hostname,
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SERVICE_TOPIC: service.topic,
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SERVICE_REPORT_INTERVAL: service.report_interval,
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SERVICE_CREATED_AT: service.created_at,
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SERVICE_UPDATED_AT: service.updated_at,
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SERVICE_DELETED_AT: service.deleted_at,
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SERVICE_STATUS: status
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}
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return result
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def engine_alive(context, engine_id):
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return listener_client.EngineListenerClient(
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engine_id).is_alive(context)
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def generate_engine_id():
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return str(uuid.uuid4())
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