142 lines
4.5 KiB
Python
Executable File
142 lines
4.5 KiB
Python
Executable File
#
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# Copyright (c) 2015-2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import json
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from nfv_common import debug
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from nfv_plugins.nfvi_plugins.openstack.objects import OPENSTACK_SERVICE
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from nfv_plugins.nfvi_plugins.openstack.rest_api import rest_api_request
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DLOG = debug.debug_get_logger('nfv_plugins.nfvi_plugins.openstack.ceilometer')
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def get_meter_stats(token, meter_name, resources, period_start, period_end):
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"""
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Asks OpenStack Ceilometer for stats for a particular period of time
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for a meter
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"""
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url = token.get_service_url(OPENSTACK_SERVICE.CEILOMETER)
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if url is None:
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raise ValueError("OpenStack Ceilometer URL is invalid")
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api_cmd = url
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api_cmd += "/v2/meters/" + meter_name + "/statistics"
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api_cmd += "?q.field=start_timestamp_op&q.op=eq&q.value=%s" % period_start
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api_cmd += "&q.field=end_timestamp_op&q.op=eq&q.value=%s" % period_end
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for resource in resources:
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api_cmd += "&q.field=resource&q.op=eq&q.value=%s" % resource
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response = rest_api_request(token, "GET", api_cmd)
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return response
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def get_meters(token):
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"""
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Asks OpenStack Ceilometer for a list of meters
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"""
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url = token.get_service_url(OPENSTACK_SERVICE.CEILOMETER)
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if url is None:
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raise ValueError("OpenStack Ceilometer URL is invalid")
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api_cmd = url + "/v2/meters"
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response = rest_api_request(token, "GET", api_cmd)
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return response
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def publish_meter_sample(token, resource, meter_name, type, unit, sample,
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timestamp):
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"""
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Publish a sample for a meter to OpenStack Ceilometer
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"""
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url = token.get_service_url(OPENSTACK_SERVICE.CEILOMETER)
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if url is None:
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raise ValueError("OpenStack Ceilometer URL is invalid")
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api_cmd = url + "/v2/meters/" + meter_name
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api_cmd_headers = dict()
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api_cmd_headers['Content-Type'] = "application/json"
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api_cmd_payload = dict()
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api_cmd_payload['resource_id'] = resource
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api_cmd_payload['project_id'] = 'none'
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api_cmd_payload['user_id'] = 'none'
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api_cmd_payload['counter_name'] = meter_name
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api_cmd_payload['counter_type'] = type
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api_cmd_payload['counter_unit'] = unit
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api_cmd_payload['counter_volume'] = sample
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api_cmd_payload['timestamp'] = timestamp
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response = rest_api_request(token, "POST", api_cmd)
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return response
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def get_alarms(token):
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"""
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Asks OpenStack Ceilometer for a list of alarms
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"""
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url = token.get_service_url(OPENSTACK_SERVICE.CEILOMETER)
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if url is None:
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raise ValueError("OpenStack Ceilometer URL is invalid")
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api_cmd = url + "/v2/alarms"
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response = rest_api_request(token, "GET", api_cmd)
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return response
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def create_threshold_alarm(token, name, meter_name, comparison_operator,
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threshold, period, alarm_url):
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"""
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Asks OpenStack Ceilometer to create a threshold alarm
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"""
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url = token.get_service_url(OPENSTACK_SERVICE.CEILOMETER)
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if url is None:
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raise ValueError("OpenStack Ceilometer URL is invalid")
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api_cmd = url + "/v2/alarms"
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api_cmd_headers = dict()
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api_cmd_headers['Content-Type'] = "application/json"
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threshold_rule = dict()
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threshold_rule['meter_name'] = meter_name
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threshold_rule['threshold'] = threshold
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threshold_rule['period'] = period
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threshold_rule['comparison_operator'] = comparison_operator
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threshold_rule['statistic'] = 'avg'
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threshold_rule['evaluation_periods'] = 2
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threshold_rule['query'] = [{'field': 'resource_id', 'op': 'eq',
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'value': 'compute-0_compute-0'}]
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api_cmd_payload = dict()
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api_cmd_payload['name'] = name
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api_cmd_payload['type'] = 'threshold'
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api_cmd_payload['repeat_actions'] = True
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api_cmd_payload['alarm_actions'] = ["%s/alarm" % alarm_url]
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api_cmd_payload['ok_actions'] = ["%s/okay" % alarm_url]
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api_cmd_payload['insufficient_data_actions'] = ["%s/no_data" % alarm_url]
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api_cmd_payload['threshold_rule'] = threshold_rule
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response = rest_api_request(token, "POST", api_cmd, api_cmd_headers,
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json.dumps(api_cmd_payload))
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return response
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def delete_alarm(token, alarm_id):
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"""
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Asks OpenStack Ceilometer to delete an alarm
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"""
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url = token.get_service_url(OPENSTACK_SERVICE.CEILOMETER)
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if url is None:
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raise ValueError("OpenStack Ceilometer URL is invalid")
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api_cmd = url + "/v2/alarms/%s" % alarm_id
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response = rest_api_request(token, "DELETE", api_cmd)
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return response
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