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
36 logging
.basicConfig(stream
=sys
.stdout
,
37 format
='%(asctime)s %(message)s',
38 datefmt
='%m/%d/%Y %I:%M:%S %p',
40 log
= logging
.getLogger(__name__
)
42 sys
.path
.append(os
.path
.abspath(os
.path
.join(os
.path
.realpath(__file__
), '..', '..', '..', '..', '..')))
44 from osm_mon
.core
.database
import DatabaseManager
45 from osm_mon
.core
.message_bus
.producer
import KafkaProducer
47 from osm_mon
.plugins
.OpenStack
.response
import OpenStack_Response
48 from osm_mon
.core
.settings
import Config
51 class NotifierHandler(BaseHTTPRequestHandler
):
52 """Handler class for alarm_actions triggered by OSM alarms."""
54 def _set_headers(self
):
55 """Set the headers for a request."""
56 self
.send_response(200)
57 self
.send_header('Content-type', 'text/html')
61 """Get request functionality."""
65 """POST request function."""
66 # Gets header and data from the post request and records info
68 # Gets the size of data
69 content_length
= int(self
.headers
['Content-Length'])
70 post_data
= self
.rfile
.read(content_length
)
72 post_data
= post_data
.decode()
73 except AttributeError:
75 log
.info("This alarm was triggered: %s", json
.loads(post_data
))
77 # Generate a notify_alarm response for the SO
78 self
.notify_alarm(json
.loads(post_data
))
80 def notify_alarm(self
, values
):
81 """Send a notification response message to the SO."""
84 # Initialise configuration and authentication for response message
85 config
= Config
.instance()
87 response
= OpenStack_Response()
88 producer
= KafkaProducer('alarm_response')
90 database_manager
= DatabaseManager()
92 alarm_id
= values
['alarm_id']
93 alarm
= database_manager
.get_alarm(alarm_id
, 'openstack')
94 # Process an alarm notification if resource_id is valid
95 # Get date and time for response message
96 a_date
= time
.strftime("%d-%m-%Y") + " " + time
.strftime("%X")
97 # Try generate and send response
99 resp_message
= response
.generate_response(
100 'notify_alarm', a_id
=alarm_id
,
101 vdu_name
=alarm
.vdu_name
,
102 vnf_member_index
=alarm
.vnf_member_index
,
104 metric_name
=alarm
.metric_name
,
105 operation
=alarm
.operation
,
106 threshold_value
=alarm
.threshold
,
107 sev
=values
['severity'],
109 state
=values
['current'])
110 producer
.notify_alarm(
111 'notify_alarm', resp_message
)
112 log
.info("Sent an alarm response to SO: %s", resp_message
)
113 except Exception as exc
:
114 log
.exception("Couldn't notify SO of the alarm:")
117 log
.exception("Could not notify alarm.")
120 def run(server_class
=HTTPServer
, handler_class
=NotifierHandler
, port
=8662):
121 """Run the webserver application to retrieve alarm notifications."""
123 server_address
= ('', port
)
124 httpd
= server_class(server_address
, handler_class
)
125 print('Starting alarm notifier...')
126 log
.info("Starting alarm notifier server on port: %s", port
)
127 httpd
.serve_forever()
128 except Exception as exc
:
129 log
.warning("Failed to start webserver, %s", exc
)
132 if __name__
== "__main__":
137 run(port
=int(argv
[1]))