osm_mon/plugins/CloudWatch/plugin_alarm.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
  26 __author__ = "Wajeeha Hamid"
  27 __date__   = "18-September-2017"
  28
  29 import sys
  30 import json
  31 import logging as log
  32 from jsmin import jsmin
  33 from connection import Connection
  34 from metric_alarms import MetricAlarm
  35 from metrics import Metrics
  36 sys.path.append("../../core/message_bus")
  37 from producer import KafkaProducer
  38
  39 class plugin_alarms():
  40     """Receives Alarm info from MetricAlarm and connects with the consumer/producer"""
  41     def __init__ (self):
  42         self.conn = Connection()
  43         self.metricAlarm = MetricAlarm()
  44         self.metric = Metrics()
  45         self.connection()
  46         self.producer = KafkaProducer('')
  47 #---------------------------------------------------------------------------------------------------------------------------
  48     def connection(self):
  49         """Connecting instances with CloudWatch"""
  50         self.conn.setEnvironment()
  51         self.conn = self.conn.connection_instance()
  52         self.cloudwatch_conn = self.conn['cloudwatch_connection']
  53         self.ec2_conn = self.conn['ec2_connection']
  54 #---------------------------------------------------------------------------------------------------------------------------
  55     def configure_alarm(self,alarm_info):
  56         alarm_id = self.metricAlarm.config_alarm(self.cloudwatch_conn,alarm_info)
  57         return alarm_id
  58 #---------------------------------------------------------------------------------------------------------------------------
  59     def update_alarm_configuration(self,test):
  60         alarm_id = self.metricAlarm.update_alarm(self.cloudwatch_conn,test)
  61         return alarm_id
  62 #---------------------------------------------------------------------------------------------------------------------------
  63     def delete_alarm(self,alarm_id):
  64         return self.metricAlarm.delete_Alarm(self.cloudwatch_conn,alarm_id)
  65 #---------------------------------------------------------------------------------------------------------------------------
  66     def get_alarms_list(self,instance_id):
  67         return self.metricAlarm.alarms_list(self.cloudwatch_conn,instance_id)
  68 #---------------------------------------------------------------------------------------------------------------------------
  69     def get_ack_details(self,ack_info):
  70         return self.metricAlarm.alarm_details(self.cloudwatch_conn,ack_info)
  71 #---------------------------------------------------------------------------------------------------------------------------
  72     def get_metrics_data(self,metric_name,period,instance_id):
  73         return self.metric.metricsData(self.cloudwatch_conn,metric_name,period,instance_id)
  74 #---------------------------------------------------------------------------------------------------------------------------
  75
  76     def alarm_calls(self,message):
  77         """Gets the message from the common consumer"""
  78         try:
  79             log.info("Action required against: %s" % (message.topic))
  80             alarm_info = json.loads(message.value)
  81
  82             if message.key == "create_alarm_request":
  83                 alarm_inner_dict = alarm_info['alarm_create_request']
  84                 metric_status = self.check_metric(alarm_inner_dict['metric_name'])
  85
  86                 if self.check_resource(alarm_inner_dict['resource_uuid']) == True and metric_status['status'] == True:
  87                     log.debug ("Resource and Metrics exists")
  88
  89                     alarm_info['alarm_create_request']['metric_name'] = metric_status['metric_name']
  90                     #Generate a valid response message, send via producer
  91                     config_resp = self.configure_alarm(alarm_info) #alarm_info = message.value
  92
  93                     if config_resp == None:
  94                         log.debug("Alarm Already exists")
  95                         payload = json.dumps(config_resp)
  96                         file = open('../../core/models/create_alarm_resp.json','wb').write((payload))
  97                         self.producer.create_alarm_response(key='create_alarm_response',message=payload,topic = 'alarm_response')
  98
  99                     else:
 100                         payload = json.dumps(config_resp)
 101                         file = open('../../core/models/create_alarm_resp.json','wb').write((payload))
 102                         self.producer.create_alarm_response(key='create_alarm_response',message=payload,topic = 'alarm_response')
 103                         log.info("New alarm created with alarm info: %s", config_resp)
 104
 105                 else:
 106                     log.error("Resource ID doesn't exists")
 107
 108             elif message.key == "acknowledge_alarm":
 109                 alarm_inner_dict = alarm_info['ack_details']
 110
 111                 if self.check_resource(alarm_inner_dict['resource_uuid']) == True:
 112                     alarm_info = json.loads(message.value)
 113                     #Generate a valid response message, send via producer
 114                     ack_details = self.get_ack_details(alarm_info)
 115                     payload = json.dumps(ack_details)
 116                     file = open('../../core/models/notify_alarm.json','wb').write((payload))
 117                     self.producer.notify_alarm(key='notify_alarm',message=payload,topic = 'alarm_response')
 118                     log.info("Acknowledge sent: %s", ack_details)
 119
 120                 else:
 121                     log.error("Resource ID is Incorrect")
 122
 123
 124             elif message.key == "update_alarm_request":
 125                 alarm_inner_dict = alarm_info['alarm_update_request']
 126                 metric_status = self.check_metric(alarm_inner_dict['metric_name'])
 127
 128                 if metric_status['status'] == True:
 129                     log.debug ("Resource and Metrics exists")
 130                     alarm_info['alarm_update_request']['metric_name'] = metric_status['metric_name']
 131                     #Generate a valid response message, send via producer
 132                     update_resp = self.update_alarm_configuration(alarm_info)
 133
 134                     if update_resp == None:
 135                         payload = json.dumps(update_resp)
 136                         file = open('../../core/models/update_alarm_resp.json','wb').write((payload))
 137                         self.producer.update_alarm_response(key='update_alarm_response',message=payload,topic = 'alarm_response')
 138                         log.debug("Alarm Already exists")
 139
 140                     else:
 141                         payload = json.dumps(update_resp)
 142                         file = open('../../core/models/update_alarm_resp.json','wb').write((payload))
 143                         self.producer.update_alarm_response(key='update_alarm_response',message=payload,topic = 'alarm_response')
 144                         log.info("Alarm Updated with alarm info: %s", update_resp)
 145
 146                 else:
 147                     log.info ("Metric Not Supported")
 148
 149
 150             elif message.key == "delete_alarm_request":
 151                 del_info = json.loads(message.value)
 152                 #Generate a valid response message, send via producer
 153                 del_resp = self.delete_alarm(del_info)
 154                 payload = json.dumps(del_resp)
 155                 file = open('../../core/models/delete_alarm_resp.json','wb').write((payload))
 156                 self.producer.delete_alarm_response(key='delete_alarm_response',message=payload,topic = 'alarm_response')
 157                 log.info("Alarm Deleted with alarm info: %s", del_resp)
 158
 159
 160             elif message.key == "alarm_list_request":
 161                 alarm_inner_dict = alarm_info['alarm_list_request']
 162
 163                 if self.check_resource(alarm_inner_dict['resource_uuid']) == True or alarm_inner_dict['resource_uuid'] == "":
 164                     #Generate a valid response message, send via producer
 165                     list_resp = self.get_alarms_list(alarm_info)#['alarm_names']
 166                     payload = json.dumps(list_resp)
 167                     file = open('../../core/models/list_alarm_resp.json','wb').write((payload))
 168                     self.producer.list_alarm_response(key='list_alarm_response',message=payload,topic = 'alarm_response')
 169
 170                 else:
 171                     log.error("Resource ID is Incorrect")
 172
 173             else:
 174                 log.debug("Unknown key, no action will be performed")
 175
 176         except Exception as e:
 177                 log.error("Message retrieval exception: %s", str(e))
 178 #---------------------------------------------------------------------------------------------------------------------------
 179     def check_resource(self,resource_uuid):
 180         '''Finding Resource with the resource_uuid'''
 181         try:
 182             check_resp = dict()
 183             instances = self.ec2_conn.get_all_instance_status()
 184
 185             #resource_id
 186             for instance_id in instances:
 187                 instance_id = str(instance_id).split(':')[1]
 188
 189                 if instance_id == resource_uuid:
 190                     check_resp['resource_uuid'] = resource_uuid
 191                     return True
 192             return False
 193
 194         except Exception as e:
 195             log.error("Error in Plugin Inputs %s",str(e))
 196 #---------------------------------------------------------------------------------------------------------------------------
 197     def check_metric(self,metric_name):
 198         ''' Checking whether the metric is supported by AWS '''
 199         try:
 200             check_resp = dict()
 201
 202             #metric_name
 203             if metric_name == 'CPU_UTILIZATION':
 204                 metric_name = 'CPUUtilization'
 205                 metric_status = True
 206
 207             elif metric_name == 'DISK_READ_OPS':
 208                 metric_name = 'DiskReadOps'
 209                 metric_status = True
 210
 211             elif metric_name == 'DISK_WRITE_OPS':
 212                 metric_name = 'DiskWriteOps'
 213                 metric_status = True
 214
 215             elif metric_name == 'DISK_READ_BYTES':
 216                 metric_name = 'DiskReadBytes'
 217                 metric_status = True
 218
 219             elif metric_name == 'DISK_WRITE_BYTES':
 220                 metric_name = 'DiskWriteBytes'
 221                 metric_status = True
 222
 223             elif metric_name == 'PACKETS_RECEIVED':
 224                 metric_name = 'NetworkPacketsIn'
 225                 metric_status = True
 226
 227             elif metric_name == 'PACKETS_SENT':
 228                 metric_name = 'NetworkPacketsOut'
 229                 metric_status = True
 230
 231             else:
 232                 metric_name = None
 233                 metric_status = False
 234             check_resp['metric_name'] = metric_name
 235             #status
 236
 237             if metric_status == True:
 238                 check_resp['status'] = True
 239                 return check_resp
 240
 241         except Exception as e:
 242             log.error("Error in Plugin Inputs %s",str(e))
 243 #---------------------------------------------------------------------------------------------------------------------------