299 lines
10 KiB
Python
299 lines
10 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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from heat.openstack.common import timeutils
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from heat.engine import parser
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from heat.engine import template
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from heat.engine import watchrule
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from heat.openstack.common import log as logging
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logger = logging.getLogger('heat.engine.manager')
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PARAM_KEYS = (PARAM_TIMEOUT, ) = ('timeout_mins', )
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def extract_args(params):
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'''
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Extract any arguments passed as parameters through the API and return them
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as a dictionary. This allows us to filter the passed args and do type
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conversion where appropriate
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'''
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kwargs = {}
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try:
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timeout_mins = int(params.get(PARAM_TIMEOUT, 0))
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except (ValueError, TypeError):
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logger.exception('create timeout conversion')
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else:
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if timeout_mins > 0:
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kwargs[PARAM_TIMEOUT] = timeout_mins
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return kwargs
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STACK_KEYS = (
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STACK_NAME, STACK_ID,
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STACK_CREATION_TIME, STACK_UPDATED_TIME, STACK_DELETION_TIME,
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STACK_NOTIFICATION_TOPICS,
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STACK_DESCRIPTION, STACK_TMPL_DESCRIPTION,
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STACK_PARAMETERS, STACK_OUTPUTS,
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STACK_STATUS, STACK_STATUS_DATA, STACK_CAPABILITIES,
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STACK_DISABLE_ROLLBACK, STACK_TIMEOUT,
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) = (
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'stack_name', 'stack_identity',
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'creation_time', 'updated_time', 'deletion_time',
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'notification_topics',
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'description', 'template_description',
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'parameters', 'outputs',
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'stack_status', 'stack_status_reason', 'capabilities',
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'disable_rollback', 'timeout_mins'
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)
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STACK_OUTPUT_KEYS = (
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OUTPUT_DESCRIPTION,
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OUTPUT_KEY, OUTPUT_VALUE,
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) = (
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'description',
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'output_key', 'output_value',
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)
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def format_stack_outputs(stack, outputs):
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'''
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Return a representation of the given output template for the given stack
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that matches the API output expectations.
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'''
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def format_stack_output(k):
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return {OUTPUT_DESCRIPTION: outputs[k].get('Description',
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'No description given'),
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OUTPUT_KEY: k,
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OUTPUT_VALUE: stack.output(k)}
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return [format_stack_output(key) for key in outputs]
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def format_stack(stack):
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'''
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Return a representation of the given stack that matches the API output
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expectations.
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'''
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info = {
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STACK_NAME: stack.name,
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STACK_ID: dict(stack.identifier()),
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STACK_CREATION_TIME: timeutils.isotime(stack.created_time),
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STACK_UPDATED_TIME: timeutils.isotime(stack.updated_time),
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STACK_NOTIFICATION_TOPICS: [], # TODO Not implemented yet
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STACK_PARAMETERS: stack.parameters.map(str),
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STACK_DESCRIPTION: stack.t[template.DESCRIPTION],
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STACK_TMPL_DESCRIPTION: stack.t[template.DESCRIPTION],
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STACK_STATUS: stack.state,
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STACK_STATUS_DATA: stack.state_description,
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STACK_CAPABILITIES: [], # TODO Not implemented yet
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STACK_DISABLE_ROLLBACK: True, # TODO Not implemented yet
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STACK_TIMEOUT: stack.timeout_mins,
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}
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# only show the outputs on a completely created or updated stack
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if stack.state in (stack.CREATE_COMPLETE, stack.UPDATE_COMPLETE):
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info[STACK_OUTPUTS] = format_stack_outputs(stack, stack.outputs)
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return info
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RES_KEYS = (
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RES_DESCRIPTION, RES_UPDATED_TIME,
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RES_NAME, RES_PHYSICAL_ID, RES_METADATA,
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RES_STATUS, RES_STATUS_DATA, RES_TYPE,
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RES_ID, RES_STACK_ID, RES_STACK_NAME,
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) = (
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'description', 'updated_time',
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'logical_resource_id', 'physical_resource_id', 'metadata',
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'resource_status', 'resource_status_reason', 'resource_type',
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'resource_identity', STACK_ID, STACK_NAME,
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)
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def format_stack_resource(resource, detail=True):
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'''
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Return a representation of the given resource that matches the API output
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expectations.
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'''
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last_updated_time = resource.updated_time or resource.created_time
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res = {
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RES_UPDATED_TIME: timeutils.isotime(last_updated_time),
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RES_NAME: resource.name,
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RES_PHYSICAL_ID: resource.resource_id or '',
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RES_METADATA: resource.metadata,
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RES_STATUS: resource.state,
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RES_STATUS_DATA: resource.state_description,
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RES_TYPE: resource.t['Type'],
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RES_ID: dict(resource.identifier()),
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RES_STACK_ID: dict(resource.stack.identifier()),
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RES_STACK_NAME: resource.stack.name,
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}
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if detail:
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res[RES_DESCRIPTION] = resource.parsed_template('Description', '')
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res[RES_METADATA] = resource.metadata
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return res
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EVENT_KEYS = (
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EVENT_ID,
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EVENT_STACK_ID, EVENT_STACK_NAME,
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EVENT_TIMESTAMP,
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EVENT_RES_NAME, EVENT_RES_PHYSICAL_ID,
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EVENT_RES_STATUS, EVENT_RES_STATUS_DATA, EVENT_RES_TYPE,
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EVENT_RES_PROPERTIES,
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) = (
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'event_identity',
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STACK_ID, STACK_NAME,
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"event_time",
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RES_NAME, RES_PHYSICAL_ID,
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RES_STATUS, RES_STATUS_DATA, RES_TYPE,
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'resource_properties',
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)
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def format_event(event):
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stack_identifier = event.stack.identifier()
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result = {
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EVENT_ID: dict(event.identifier()),
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EVENT_STACK_ID: dict(stack_identifier),
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EVENT_STACK_NAME: stack_identifier.stack_name,
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EVENT_TIMESTAMP: timeutils.isotime(event.timestamp),
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EVENT_RES_NAME: event.resource.name,
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EVENT_RES_PHYSICAL_ID: event.physical_resource_id,
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EVENT_RES_STATUS: event.new_state,
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EVENT_RES_STATUS_DATA: event.reason,
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EVENT_RES_TYPE: event.resource.type(),
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EVENT_RES_PROPERTIES: event.resource_properties,
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}
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return result
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# This is the representation of a watch we expose to the API via RPC
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WATCH_KEYS = (
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WATCH_ACTIONS_ENABLED, WATCH_ALARM_ACTIONS, WATCH_TOPIC,
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WATCH_UPDATED_TIME, WATCH_DESCRIPTION, WATCH_NAME,
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WATCH_COMPARISON, WATCH_DIMENSIONS, WATCH_PERIODS,
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WATCH_INSUFFICIENT_ACTIONS, WATCH_METRIC_NAME, WATCH_NAMESPACE,
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WATCH_OK_ACTIONS, WATCH_PERIOD, WATCH_STATE_REASON,
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WATCH_STATE_REASON_DATA, WATCH_STATE_UPDATED_TIME, WATCH_STATE_VALUE,
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WATCH_STATISTIC, WATCH_THRESHOLD, WATCH_UNIT, WATCH_STACK_ID
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) = (
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'actions_enabled', 'actions', 'topic',
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'updated_time', 'description', 'name',
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'comparison', 'dimensions', 'periods',
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'insufficient_actions', 'metric_name', 'namespace',
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'ok_actions', 'period', 'state_reason',
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'state_reason_data', 'state_updated_time', 'state_value',
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'statistic', 'threshold', 'unit', 'stack_id')
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# Alternate representation of a watch rule to align with DB format
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# FIXME : These align with AWS naming for compatibility with the
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# current cfn-push-stats & metadata server, fix when we've ported
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# cfn-push-stats to use the Cloudwatch server and/or moved metric
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# collection into ceilometer, these should just be WATCH_KEYS
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# or each field should be stored separately in the DB watch_data
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# table if we stick to storing watch data in the heat DB
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WATCH_RULE_KEYS = (
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RULE_ACTIONS_ENABLED, RULE_ALARM_ACTIONS, RULE_TOPIC,
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RULE_UPDATED_TIME, RULE_DESCRIPTION, RULE_NAME,
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RULE_COMPARISON, RULE_DIMENSIONS, RULE_PERIODS,
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RULE_INSUFFICIENT_ACTIONS, RULE_METRIC_NAME, RULE_NAMESPACE,
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RULE_OK_ACTIONS, RULE_PERIOD, RULE_STATE_REASON,
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RULE_STATE_REASON_DATA, RULE_STATE_UPDATED_TIME, RULE_STATE_VALUE,
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RULE_STATISTIC, RULE_THRESHOLD, RULE_UNIT, RULE_STACK_NAME
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) = (
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'ActionsEnabled', 'AlarmActions', 'AlarmArn',
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'AlarmConfigurationUpdatedTimestamp', 'AlarmDescription', 'AlarmName',
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'ComparisonOperator', 'Dimensions', 'EvaluationPeriods',
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'InsufficientDataActions', 'MetricName', 'Namespace',
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'OKActions', 'Period', 'StateReason',
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'StateReasonData', 'StateUpdatedTimestamp', 'StateValue',
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'Statistic', 'Threshold', 'Unit', 'StackName')
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WATCH_STATES = (WATCH_STATE_OK, WATCH_STATE_ALARM, WATCH_STATE_NODATA
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) = (watchrule.WatchRule.NORMAL,
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watchrule.WatchRule.ALARM,
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watchrule.WatchRule.NODATA)
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def format_watch(watch):
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result = {
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WATCH_ACTIONS_ENABLED: watch.rule.get(RULE_ACTIONS_ENABLED),
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WATCH_ALARM_ACTIONS: watch.rule.get(RULE_ALARM_ACTIONS),
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WATCH_TOPIC: watch.rule.get(RULE_TOPIC),
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WATCH_UPDATED_TIME: timeutils.isotime(watch.updated_at),
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WATCH_DESCRIPTION: watch.rule.get(RULE_DESCRIPTION),
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WATCH_NAME: watch.name,
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WATCH_COMPARISON: watch.rule.get(RULE_COMPARISON),
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WATCH_DIMENSIONS: watch.rule.get(RULE_DIMENSIONS) or [],
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WATCH_PERIODS: watch.rule.get(RULE_PERIODS),
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WATCH_INSUFFICIENT_ACTIONS: watch.rule.get(RULE_INSUFFICIENT_ACTIONS),
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WATCH_METRIC_NAME: watch.rule.get(RULE_METRIC_NAME),
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WATCH_NAMESPACE: watch.rule.get(RULE_NAMESPACE),
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WATCH_OK_ACTIONS: watch.rule.get(RULE_OK_ACTIONS),
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WATCH_PERIOD: watch.rule.get(RULE_PERIOD),
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WATCH_STATE_REASON: watch.rule.get(RULE_STATE_REASON),
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WATCH_STATE_REASON_DATA: watch.rule.get(RULE_STATE_REASON_DATA),
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WATCH_STATE_UPDATED_TIME: timeutils.isotime(
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watch.rule.get(RULE_STATE_UPDATED_TIME)),
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WATCH_STATE_VALUE: watch.state,
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WATCH_STATISTIC: watch.rule.get(RULE_STATISTIC),
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WATCH_THRESHOLD: watch.rule.get(RULE_THRESHOLD),
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WATCH_UNIT: watch.rule.get(RULE_UNIT),
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WATCH_STACK_ID: watch.stack_id
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}
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return result
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WATCH_DATA_KEYS = (
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WATCH_DATA_ALARM, WATCH_DATA_METRIC, WATCH_DATA_TIME,
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WATCH_DATA_NAMESPACE, WATCH_DATA
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) = (
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'watch_name', 'metric_name', 'timestamp',
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'namespace', 'data')
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def format_watch_data(wd):
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# Demangle DB format data into something more easily used in the API
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# We are expecting a dict with exactly two items, Namespace and
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# a metric key
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namespace = wd.data['Namespace']
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metric = [(k, v) for k, v in wd.data.items() if k != 'Namespace']
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if len(metric) == 1:
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metric_name, metric_data = metric[0]
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else:
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logger.error("Unexpected number of keys in watch_data.data!")
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return
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result = {
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WATCH_DATA_ALARM: wd.watch_rule.name,
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WATCH_DATA_METRIC: metric_name,
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WATCH_DATA_TIME: timeutils.isotime(wd.created_at),
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WATCH_DATA_NAMESPACE: namespace,
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WATCH_DATA: metric_data
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}
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return result
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