tempest/services/telemetry/json/telemetry_client.py

# Copyright 2014 OpenStack Foundation
# All Rights Reserved.
#
#    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 urllib

from tempest.common import service_client
from tempest import config
from tempest.openstack.common import jsonutils as json

CONF = config.CONF


class TelemetryClientJSON(service_client.ServiceClient):

    def __init__(self, auth_provider):
        super(TelemetryClientJSON, self).__init__(
            auth_provider,
            CONF.telemetry.catalog_type,
            CONF.identity.region,
            endpoint_type=CONF.telemetry.endpoint_type)
        self.version = '2'
        self.uri_prefix = "v%s" % self.version

    def deserialize(self, body):
        return json.loads(body.replace("\n", ""))

    def serialize(self, body):
        return json.dumps(body)

    def add_sample(self, sample_list, meter_name, meter_unit, volume,
                   sample_type, resource_id, **kwargs):
        sample = {"counter_name": meter_name, "counter_unit": meter_unit,
                  "counter_volume": volume, "counter_type": sample_type,
                  "resource_id": resource_id}
        for key in kwargs:
            sample[key] = kwargs[key]

        sample_list.append(self.serialize(sample))
        return sample_list

    def create_sample(self, meter_name, sample_list):
        uri = "%s/meters/%s" % (self.uri_prefix, meter_name)
        body = self.serialize(sample_list)
        resp, body = self.post(uri, body)
        body = self.deserialize(body)
        return resp, body

    def helper_list(self, uri, query=None, period=None):
        uri_dict = {}
        if query:
            uri_dict = {'q.field': query[0],
                        'q.op': query[1],
                        'q.value': query[2]}
        if period:
            uri_dict['period'] = period
        if uri_dict:
            uri += "?%s" % urllib.urlencode(uri_dict)
        resp, body = self.get(uri)
        body = self.deserialize(body)
        return resp, body

    def list_resources(self, query=None):
        uri = '%s/resources' % self.uri_prefix
        return self.helper_list(uri, query)

    def list_meters(self, query=None):
        uri = '%s/meters' % self.uri_prefix
        return self.helper_list(uri, query)

    def list_alarms(self, query=None):
        uri = '%s/alarms' % self.uri_prefix
        return self.helper_list(uri, query)

    def list_statistics(self, meter, period=None, query=None):
        uri = "%s/meters/%s/statistics" % (self.uri_prefix, meter)
        return self.helper_list(uri, query, period)

    def list_samples(self, meter_id, query=None):
        uri = '%s/meters/%s' % (self.uri_prefix, meter_id)
        return self.helper_list(uri, query)

    def get_resource(self, resource_id):
        uri = '%s/resources/%s' % (self.uri_prefix, resource_id)
        resp, body = self.get(uri)
        body = self.deserialize(body)
        return resp, body

    def get_alarm(self, alarm_id):
        uri = '%s/alarms/%s' % (self.uri_prefix, alarm_id)
        resp, body = self.get(uri)
        body = self.deserialize(body)
        return resp, body

    def delete_alarm(self, alarm_id):
        uri = "%s/alarms/%s" % (self.uri_prefix, alarm_id)
        resp, body = self.delete(uri)
        if body:
            body = self.deserialize(body)
        return resp, body

    def create_alarm(self, **kwargs):
        uri = "%s/alarms" % self.uri_prefix
        body = self.serialize(kwargs)
        resp, body = self.post(uri, body)
        body = self.deserialize(body)
        return resp, body

    def update_alarm(self, alarm_id, **kwargs):
        uri = "%s/alarms/%s" % (self.uri_prefix, alarm_id)
        body = self.serialize(kwargs)
        resp, body = self.put(uri, body)
        body = self.deserialize(body)
        return resp, body

    def alarm_get_state(self, alarm_id):
        uri = "%s/alarms/%s/state" % (self.uri_prefix, alarm_id)
        resp, body = self.get(uri)
        body = self.deserialize(body)
        return resp, body

    def alarm_set_state(self, alarm_id, state):
        uri = "%s/alarms/%s/state" % (self.uri_prefix, alarm_id)
        body = self.serialize(state)
        resp, body = self.put(uri, body)
        body = self.deserialize(body)
        return resp, body