osm_mon/plugins/CloudWatch/plugin_metric.py

   1 ##
   2 # Copyright 2017 xFlow Research Pvt. Ltd
   3 # This file is part of MON module
   4 # All Rights Reserved.
   5 #
   6 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   7 # not use this file except in compliance with the License. You may obtain
   8 # a copy of the License at
   9 #
  10 #         http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  14 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  15 # License for the specific language governing permissions and limitations
  16 # under the License.
  17 #
  18 # For those usages not covered by the Apache License, Version 2.0 please
  19 # contact with: wajeeha.hamid@xflowresearch.com
  20 ##
  21
  22 '''
  23 AWS-Plugin implements all the methods of MON to interact with AWS using the BOTO client
  24 '''
  25 from osm_mon.core.message_bus.producer import KafkaProducer
  26 from osm_mon.plugins.CloudWatch.metrics import Metrics
  27
  28 __author__ = "Wajeeha Hamid"
  29 __date__   = "18-September-2017"
  30
  31 import json
  32 import logging
  33
  34 log = logging.getLogger(__name__)
  35
  36 class plugin_metrics():
  37     """Receives Alarm info from MetricAlarm and connects with the consumer/producer """
  38     def __init__ (self):
  39         self.metric = Metrics()
  40         self.producer = KafkaProducer('')
  41 #---------------------------------------------------------------------------------------------------------------------------
  42     def create_metric_request(self,metric_info):
  43         '''Comaptible API using normalized parameters'''
  44         metric_resp = self.metric.createMetrics(self.cloudwatch_conn,metric_info)
  45         return metric_resp
  46 #---------------------------------------------------------------------------------------------------------------------------
  47     def update_metric_request(self,updated_info):
  48         '''Comaptible API using normalized parameters'''
  49         update_resp = self.metric.updateMetrics(self.cloudwatch_conn,updated_info)
  50         return update_resp
  51 #---------------------------------------------------------------------------------------------------------------------------
  52     def delete_metric_request(self,delete_info):
  53         '''Comaptible API using normalized parameters'''
  54         del_resp = self.metric.deleteMetrics(self.cloudwatch_conn,delete_info)
  55         return del_resp
  56 #---------------------------------------------------------------------------------------------------------------------------
  57     def list_metrics_request(self,list_info):
  58         '''Comaptible API using normalized parameters'''
  59         list_resp = self.metric.listMetrics(self.cloudwatch_conn,list_info)
  60         return list_resp
  61 #---------------------------------------------------------------------------------------------------------------------------
  62     def read_metrics_data(self,list_info):
  63         '''Comaptible API using normalized parameters
  64         Read all metric data related to a specified metric'''
  65         data_resp=self.metric.metricsData(self.cloudwatch_conn,list_info)
  66         return data_resp
  67 #---------------------------------------------------------------------------------------------------------------------------
  68
  69     def metric_calls(self,message,aws_conn):
  70         """Gets the message from the common consumer"""
  71
  72         try:
  73             self.cloudwatch_conn = aws_conn['cloudwatch_connection']
  74             self.ec2_conn = aws_conn['ec2_connection']
  75
  76             metric_info = json.loads(message.value)
  77             metric_response = dict()
  78
  79             if metric_info['vim_type'] == 'AWS':
  80                 log.debug ("VIM support : AWS")
  81
  82             # Check the Functionlity that needs to be performed: topic = 'alarms'/'metrics'/'Access_Credentials'
  83                 if message.topic == "metric_request":
  84                     log.info("Action required against: %s" % (message.topic))
  85
  86                     if message.key == "create_metric_request":
  87                         if self.check_resource(metric_info['metric_create_request']['resource_uuid']) == True:
  88                             metric_resp = self.create_metric_request(metric_info['metric_create_request']) #alarm_info = message.value
  89                             metric_response['schema_version'] = metric_info['schema_version']
  90                             metric_response['schema_type']    = "create_metric_response"
  91                             metric_response['metric_create_response'] = metric_resp
  92                             payload = json.dumps(metric_response)
  93                             file = open('../../core/models/create_metric_resp.json','wb').write((payload))
  94                             self.producer.publish_metrics_response(key='create_metric_response', message=payload, topic ='metric_response')
  95
  96                             log.info("Metric configured: %s", metric_resp)
  97                             return metric_response
  98
  99                     elif message.key == "update_metric_request":
 100                         if self.check_resource(metric_info['metric_create_request']['resource_uuid']) == True:
 101                             update_resp = self.update_metric_request(metric_info['metric_create_request'])
 102                             metric_response['schema_version'] = metric_info['schema_version']
 103                             metric_response['schema_type'] = "update_metric_response"
 104                             metric_response['metric_update_response'] = update_resp
 105                             payload = json.dumps(metric_response)
 106                             file = open('../../core/models/update_metric_resp.json','wb').write((payload))
 107                             self.producer.update_metric_response(key='update_metric_response',message=payload,topic = 'metric_response')
 108
 109                             log.info("Metric Updates: %s",metric_response)
 110                             return metric_response
 111
 112                     elif message.key == "delete_metric_request":
 113                         if self.check_resource(metric_info['resource_uuid']) == True:
 114                             del_resp=self.delete_metric_request(metric_info)
 115                             payload = json.dumps(del_resp)
 116                             file = open('../../core/models/delete_metric_resp.json','wb').write((payload))
 117                             self.producer.delete_metric_response(key='delete_metric_response',message=payload,topic = 'metric_response')
 118
 119                             log.info("Metric Deletion Not supported in AWS : %s",del_resp)
 120                             return del_resp
 121
 122                     elif message.key == "list_metric_request":
 123                         if self.check_resource(metric_info['metrics_list_request']['resource_uuid']) == True:
 124                             list_resp = self.list_metrics_request(metric_info['metrics_list_request'])
 125                             metric_response['schema_version'] = metric_info['schema_version']
 126                             metric_response['schema_type'] = "list_metric_response"
 127                             metric_response['correlation_id'] = metric_info['metrics_list_request']['correlation_id']
 128                             metric_response['vim_type'] = metric_info['vim_type']
 129                             metric_response['metrics_list'] = list_resp
 130                             payload = json.dumps(metric_response)
 131                             file = open('../../core/models/list_metric_resp.json','wb').write((payload))
 132                             self.producer.list_metric_response(key='list_metrics_response',message=payload,topic = 'metric_response')
 133
 134                             log.info("Metric List: %s",metric_response)
 135                             return metric_response
 136
 137                     elif message.key == "read_metric_data_request":
 138                         if self.check_resource(metric_info['resource_uuid']) == True:
 139                             data_resp = self.read_metrics_data(metric_info)
 140                             metric_response['schema_version'] = metric_info['schema_version']
 141                             metric_response['schema_type'] = "read_metric_data_response"
 142                             metric_response['metric_name'] = metric_info['metric_name']
 143                             metric_response['metric_uuid'] = metric_info['metric_uuid']
 144                             metric_response['correlation_id'] = metric_info['correlation_uuid']
 145                             metric_response['resource_uuid'] = metric_info['resource_uuid']
 146                             metric_response['tenant_uuid'] = metric_info['tenant_uuid']
 147                             metric_response['metrics_data'] = data_resp
 148                             payload = json.dumps(metric_response)
 149                             file = open('../../core/models/read_metric_data_resp.json','wb').write((payload))
 150                             self.producer.read_metric_data_response(key='read_metric_data_response',message=payload,topic = 'metric_response')
 151
 152                             log.info("Metric Data Response: %s",metric_response)
 153                             return metric_response
 154
 155                     else:
 156                         log.debug("Unknown key, no action will be performed")
 157                 else:
 158                     log.info("Message topic not relevant to this plugin: %s",
 159                          message.topic)
 160
 161         except Exception as e:
 162             log.error("Consumer exception: %s", str(e))
 163
 164 #---------------------------------------------------------------------------------------------------------------------------
 165     def check_resource(self,resource_uuid):
 166
 167         '''Checking the resource_uuid is present in EC2 instances'''
 168         try:
 169             check_resp = dict()
 170             instances = self.ec2_conn.get_all_instance_status()
 171             status_resource = False
 172
 173             #resource_id
 174             for instance_id in instances:
 175                 instance_id = str(instance_id).split(':')[1]
 176                 if instance_id == resource_uuid:
 177                     check_resp['resource_uuid'] = resource_uuid
 178                     status_resource = True
 179                 else:
 180                     status_resource = False
 181
 182             #status
 183             return status_resource
 184
 185         except Exception as e:
 186             log.error("Error in Plugin Inputs %s",str(e))
 187 #---------------------------------------------------------------------------------------------------------------------------
 188