c43f23828236c8170b577c4538433529fe72322e
1 # Copyright 2017 Intel Research and Development Ireland Limited
2 # *************************************************************
4 # This file is part of OSM Monitoring module
5 # All Rights Reserved to Intel Corporation
7 # Licensed under the Apache License, Version 2.0 (the "License"); you may
8 # not use this file except in compliance with the License. You may obtain
9 # a copy of the License at
11 # http://www.apache.org/licenses/LICENSE-2.0
13 # Unless required by applicable law or agreed to in writing, software
14 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
16 # License for the specific language governing permissions and limitations
19 # For those usages not covered by the Apache License, Version 2.0 please
20 # contact: helena.mcgough@intel.com or adrian.hoban@intel.com
22 # __author__ = Helena McGough
24 """A Webserver to send alarm notifications from Aodh to the SO."""
31 from six
.moves
.BaseHTTPServer
import BaseHTTPRequestHandler
32 from six
.moves
.BaseHTTPServer
import HTTPServer
34 # Initialise a logger for alarm notifier
35 from osm_mon
.core
.settings
import Config
37 cfg
= Config
.instance()
39 logging
.basicConfig(stream
=sys
.stdout
,
40 format
='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
41 datefmt
='%m/%d/%Y %I:%M:%S %p',
42 level
=logging
.getLevelName(cfg
.OSMMON_LOG_LEVEL
))
43 log
= logging
.getLogger(__name__
)
45 sys
.path
.append(os
.path
.abspath(os
.path
.join(os
.path
.realpath(__file__
), '..', '..', '..', '..', '..')))
47 from osm_mon
.core
.database
import DatabaseManager
48 from osm_mon
.core
.message_bus
.producer
import KafkaProducer
50 from osm_mon
.plugins
.OpenStack
.response
import OpenStack_Response
53 class NotifierHandler(BaseHTTPRequestHandler
):
54 """Handler class for alarm_actions triggered by OSM alarms."""
56 def _set_headers(self
):
57 """Set the headers for a request."""
58 self
.send_response(200)
59 self
.send_header('Content-type', 'text/html')
63 """Get request functionality."""
67 """POST request function."""
68 # Gets header and data from the post request and records info
70 # Gets the size of data
71 content_length
= int(self
.headers
['Content-Length'])
72 post_data
= self
.rfile
.read(content_length
)
73 # Python 2/3 string compatibility
75 post_data
= post_data
.decode()
76 except AttributeError:
78 log
.info("This alarm was triggered: %s", post_data
)
80 # Send alarm notification to message bus
82 self
.notify_alarm(json
.loads(post_data
))
84 log
.exception("Error notifying alarm")
86 def notify_alarm(self
, values
):
87 """Sends alarm notification message to bus."""
89 # Initialise configuration and authentication for response message
90 response
= OpenStack_Response()
91 producer
= KafkaProducer('alarm_response')
93 database_manager
= DatabaseManager()
95 alarm_id
= values
['alarm_id']
96 alarm
= database_manager
.get_alarm(alarm_id
, 'openstack')
97 # Process an alarm notification if resource_id is valid
98 # Get date and time for response message
99 a_date
= time
.strftime("%d-%m-%Y") + " " + time
.strftime("%X")
100 # Generate and send response
101 resp_message
= response
.generate_response(
104 vdu_name
=alarm
.vdu_name
,
105 vnf_member_index
=alarm
.vnf_member_index
,
107 metric_name
=alarm
.metric_name
,
108 operation
=alarm
.operation
,
109 threshold_value
=alarm
.threshold
,
110 sev
=values
['severity'],
112 state
=values
['current'])
113 producer
.publish_alarm_response(
114 'notify_alarm', resp_message
)
115 log
.info("Sent alarm notification: %s", resp_message
)
118 def run(server_class
=HTTPServer
, handler_class
=NotifierHandler
, port
=8662):
119 """Run the webserver application to retrieve alarm notifications."""
121 server_address
= ('', port
)
122 httpd
= server_class(server_address
, handler_class
)
123 print('Starting alarm notifier...')
124 log
.info("Starting alarm notifier server on port: %s", port
)
125 httpd
.serve_forever()
126 except Exception as exc
:
127 log
.warning("Failed to start webserver, %s", exc
)
130 if __name__
== "__main__":
135 run(port
=int(argv
[1]))