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