Renaming folder structure
[osm/MON.git] / osm_mon / plugins / CloudWatch / plugin_alarm.py
diff --git a/osm_mon/plugins/CloudWatch/plugin_alarm.py b/osm_mon/plugins/CloudWatch/plugin_alarm.py
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+##
+# Copyright 2017 xFlow Research Pvt. Ltd
+# This file is part of MON module
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact with: wajeeha.hamid@xflowresearch.com
+##
+
+'''
+AWS-Plugin implements all the methods of MON to interact with AWS using the BOTO client
+'''
+
+__author__ = "Wajeeha Hamid"
+__date__   = "18-September-2017"
+
+import sys
+import json
+import logging as log
+from jsmin import jsmin
+from connection import Connection
+from metric_alarms import MetricAlarm
+from metrics import Metrics
+from kafka import KafkaConsumer
+sys.path.append("../../core/message-bus")
+from producer import KafkaProducer
+
+class Plugin():
+    """Receives Alarm info from MetricAlarm and connects with the consumer/producer"""
+    def __init__ (self): 
+        self.conn = Connection()
+        self.metricAlarm = MetricAlarm()
+        self.metric = Metrics()
+        server = {'server': 'localhost:9092', 'topic': 'alarm_request'}
+        self._consumer = KafkaConsumer(server['topic'], bootstrap_servers=server['server'])
+        self._consumer.subscribe(['alarm_request'])
+        self.producer = KafkaProducer('')     
+#---------------------------------------------------------------------------------------------------------------------------      
+    def connection(self):
+        """Connecting instances with CloudWatch"""
+        self.conn.setEnvironment()
+        self.conn = self.conn.connection_instance()
+        self.cloudwatch_conn = self.conn['cloudwatch_connection']
+        self.ec2_conn = self.conn['ec2_connection']
+#---------------------------------------------------------------------------------------------------------------------------   
+    def configure_alarm(self,alarm_info):
+        alarm_id = self.metricAlarm.config_alarm(self.cloudwatch_conn,alarm_info)
+        return alarm_id
+#---------------------------------------------------------------------------------------------------------------------------          
+    def update_alarm_configuration(self,test):
+        alarm_id = self.metricAlarm.update_alarm(self.cloudwatch_conn,test)
+        return alarm_id
+#---------------------------------------------------------------------------------------------------------------------------            
+    def delete_alarm(self,alarm_id):
+        return self.metricAlarm.delete_Alarm(self.cloudwatch_conn,alarm_id)
+#---------------------------------------------------------------------------------------------------------------------------  
+    def get_alarms_list(self,instance_id):
+        return self.metricAlarm.alarms_list(self.cloudwatch_conn,instance_id) 
+#---------------------------------------------------------------------------------------------------------------------------            
+    def get_ack_details(self,ack_info):
+        return self.metricAlarm.alarm_details(self.cloudwatch_conn,ack_info)
+#---------------------------------------------------------------------------------------------------------------------------            
+    def get_metrics_data(self,metric_name,period,instance_id):
+        return self.metric.metricsData(self.cloudwatch_conn,metric_name,period,instance_id)
+#--------------------------------------------------------------------------------------------------------------------------- 
+
+    def consumer(self):
+        """Consume info from the message bus to manage alarms."""
+        try: 
+            for message in self._consumer:
+                # Check the Functionlity that needs to be performed: topic = 'alarms'/'metrics'/'Access_Credentials'
+                if message.topic == "alarm_request":
+                    log.info("Action required against: %s" % (message.topic))
+                    alarm_info = json.loads(message.value)
+
+                    if message.key == "create_alarm_request":  
+                        if alarm_info['vim_type'] == 'AWS':                        
+                            alarm_inner_dict = alarm_info['alarm_create_request']
+                            metric_status = self.check_metric(alarm_inner_dict['metric_name'])                            
+                            if self.check_resource(alarm_inner_dict['resource_uuid']) == True and metric_status['status'] == True:
+                                log.debug ("Resource and Metrics exists")
+                            
+                                alarm_info['alarm_create_request']['metric_name'] = metric_status['metric_name']
+                                #Generate a valid response message, send via producer
+                                config_resp = self.configure_alarm(alarm_info) #alarm_info = message.value
+                                if config_resp == None:
+                                    log.debug("Alarm Already exists")
+                                    payload = json.dumps(config_resp)                                   
+                                    file = open('../../core/models/create_alarm_resp.json','wb').write((payload))
+                                    self.producer.create_alarm_response(key='create_alarm_response',message=payload,topic = 'alarm_response')
+                                else: 
+                                    payload = json.dumps(config_resp)                                   
+                                    file = open('../../core/models/create_alarm_resp.json','wb').write((payload))
+                                    
+                                    self.producer.create_alarm_response(key='create_alarm_response',message=payload,topic = 'alarm_response')
+                                    log.info("New alarm created with alarm info: %s", config_resp)                           
+                            else:
+                                log.error("Resource ID doesn't exists")
+                        else:
+                            log.error("Plugin inputs are incorrect")
+                        
+
+                    elif message.key == "acknowledge_alarm":
+                        alarm_inner_dict = alarm_info['ack_details']
+                        if alarm_info['vim_type'] == 'AWS':
+                            if self.check_resource(alarm_inner_dict['resource_uuid']) == True: 
+                                alarm_info = json.loads(message.value)
+                                #Generate a valid response message, send via producer
+                                ack_details = self.get_ack_details(alarm_info)
+                                payload = json.dumps(ack_details)                                  
+                                file = open('../../core/models/notify_alarm.json','wb').write((payload))
+                                self.producer.notify_alarm(key='notify_alarm',message=payload,topic = 'alarm_response')
+                                log.info("Acknowledge sent: %s", ack_details)
+                            else:
+                                log.error("Resource ID is Incorrect")    
+                        else:
+                            log.error(" VIM type incorrect ")     
+
+
+                    elif message.key == "update_alarm_request":
+                        if alarm_info['vim_type'] == 'AWS':                         
+                            alarm_inner_dict = alarm_info['alarm_update_request']
+                            metric_status = self.check_metric(alarm_inner_dict['metric_name'])
+                            
+                            if metric_status['status'] == True:
+                                log.debug ("Resource and Metrics exists")
+                                alarm_info['alarm_update_request']['metric_name'] = metric_status['metric_name']
+                                #Generate a valid response message, send via producer
+                                update_resp = self.update_alarm_configuration(alarm_info)
+                                if update_resp == None:                                    
+                                    payload = json.dumps(update_resp)                                   
+                                    file = open('../../core/models/update_alarm_resp.json','wb').write((payload))
+                                    self.producer.update_alarm_response(key='update_alarm_response',message=payload,topic = 'alarm_response')
+                                    log.debug("Alarm Already exists")
+                                else: 
+                                    payload = json.dumps(update_resp)                                   
+                                    file = open('../../core/models/update_alarm_resp.json','wb').write((payload))
+                                    self.producer.update_alarm_response(key='update_alarm_response',message=payload,topic = 'alarm_response')
+                                    log.info("Alarm Updated with alarm info: %s", update_resp)                           
+                            else:
+                                log.info ("Metric Not Supported")
+                        else:
+                            log.error(" VIM type Incorrect ")  
+                    
+                    elif message.key == "delete_alarm_request":  
+                        if alarm_info['vim_type'] == 'AWS':
+                            del_info = json.loads(message.value)
+                            #Generate a valid response message, send via producer
+                            del_resp = self.delete_alarm(del_info)
+                            payload = json.dumps(del_resp)                                   
+                            file = open('../../core/models/delete_alarm_resp.json','wb').write((payload))
+                            self.producer.delete_alarm_response(key='delete_alarm_response',message=payload,topic = 'alarm_response')
+                            log.info("Alarm Deleted with alarm info: %s", del_resp)
+                        else: 
+                            log.error(" VIM type Incorrect ")     
+               
+                    elif message.key == "alarm_list_request":
+                        alarm_inner_dict = alarm_info['alarm_list_request']
+                        if alarm_info['vim_type'] == 'AWS': 
+                            if self.check_resource(alarm_inner_dict['resource_uuid']) == True or alarm_inner_dict['resource_uuid'] == "": 
+                                #Generate a valid response message, send via producer
+                                list_resp = self.get_alarms_list(alarm_info)#['alarm_names']
+                                payload = json.dumps(list_resp)                                                                 
+                                file = open('../../core/models/list_alarm_resp.json','wb').write((payload))
+                                self.producer.list_alarm_response(key='list_alarm_response',message=payload,topic = 'alarm_response')
+                            else:
+                                log.error("Resource ID is Incorrect")    
+                        else:
+                            log.error(" VIM type Incorrect ") 
+                                
+                    else:
+                        log.debug("Unknown key, no action will be performed")
+                           
+                else:
+                    log.info("Message topic not relevant to this plugin: %s",
+                         message.topic)    
+        except Exception as e:
+                log.error("Consumer exception: %s", str(e))             
+#--------------------------------------------------------------------------------------------------------------------------- 
+    def check_resource(self,resource_uuid):
+        '''Finding Resource with the resource_uuid'''
+        try:
+            check_resp = dict()
+            instances = self.ec2_conn.get_all_instance_status()
+
+            #resource_id
+            for instance_id in instances:
+                instance_id = str(instance_id).split(':')[1]
+                if instance_id == resource_uuid:
+                    check_resp['resource_uuid'] = resource_uuid
+                    return True 
+            return False
+
+        except Exception as e: 
+            log.error("Error in Plugin Inputs %s",str(e)) 
+#--------------------------------------------------------------------------------------------------------------------------- 
+    def check_metric(self,metric_name):
+        ''' Checking whether the metric is supported by AWS '''
+        try:
+            check_resp = dict()
+            
+            #metric_name
+            if metric_name == 'CPU_UTILIZATION':
+                metric_name = 'CPUUtilization'
+                metric_status = True
+            elif metric_name == 'DISK_READ_OPS':
+                metric_name = 'DiskReadOps'
+                metric_status = True
+            elif metric_name == 'DISK_WRITE_OPS':
+                metric_name = 'DiskWriteOps'
+                metric_status = True
+            elif metric_name == 'DISK_READ_BYTES':
+                metric_name = 'DiskReadBytes'
+                metric_status = True
+            elif metric_name == 'DISK_WRITE_BYTES':
+                metric_name = 'DiskWriteBytes'
+                metric_status = True
+            elif metric_name == 'PACKETS_RECEIVED':
+                metric_name = 'NetworkPacketsIn'
+                metric_status = True
+            elif metric_name == 'PACKETS_SENT':
+                metric_name = 'NetworkPacketsOut'
+                metric_status = True
+            else:
+                metric_name = None
+                metric_status = False
+            check_resp['metric_name'] = metric_name
+            #status
+            if metric_status == True:
+                check_resp['status'] = True
+                return check_resp   
+        except Exception as e: 
+            log.error("Error in Plugin Inputs %s",str(e)) 
+#--------------------------------------------------------------------------------------------------------------------------- 
+
+obj = Plugin()
+obj.connection()
+obj.consumer()