"""A Webserver to send alarm notifications from Aodh to the SO."""
import json
import logging
+import os
import sys
import time
-import os
from six.moves.BaseHTTPServer import BaseHTTPRequestHandler
from six.moves.BaseHTTPServer import HTTPServer
from osm_mon.core.database import DatabaseManager
from osm_mon.core.message_bus.producer import KafkaProducer
-from osm_mon.plugins.OpenStack.common import Common
from osm_mon.plugins.OpenStack.response import OpenStack_Response
-from osm_mon.plugins.OpenStack.settings import Config
class NotifierHandler(BaseHTTPRequestHandler):
def do_GET(self):
"""Get request functionality."""
self._set_headers()
- self.wfile.write("<html><body><h1>hi!</h1></body></html>")
def do_POST(self):
"""POST request function."""
# Gets the size of data
content_length = int(self.headers['Content-Length'])
post_data = self.rfile.read(content_length)
- self.wfile.write("<html><body><h1>POST!</h1></body></tml>")
- log.info("This alarm was triggered: %s", json.loads(post_data))
+ # Python 2/3 string compatibility
+ try:
+ post_data = post_data.decode()
+ except AttributeError:
+ pass
+ log.info("This alarm was triggered: %s", post_data)
- # Generate a notify_alarm response for the SO
- self.notify_alarm(json.loads(post_data))
+ # Send alarm notification to message bus
+ try:
+ self.notify_alarm(json.loads(post_data))
+ except Exception:
+ log.exception("Error notifying alarm")
def notify_alarm(self, values):
- """Send a notification response message to the SO."""
-
- try:
- # Initialise configuration and authentication for response message
- config = Config.instance()
- config.read_environ()
- response = OpenStack_Response()
- producer = KafkaProducer('alarm_response')
-
- database_manager = DatabaseManager()
-
- alarm_id = values['alarm_id']
- # Get vim_uuid associated to alarm
- creds = database_manager.get_credentials_for_alarm_id(alarm_id, 'openstack')
- auth_token = Common.get_auth_token(creds.uuid)
- endpoint = Common.get_endpoint("alarming", creds.uuid)
-
- # If authenticated generate and send response message
- if auth_token is not None and endpoint is not None:
- url = "{}/v2/alarms/%s".format(endpoint) % alarm_id
-
- # Get the resource_id of the triggered alarm
- result = Common.perform_request(
- url, auth_token, req_type="get")
- alarm_details = json.loads(result.text)
- gnocchi_rule = alarm_details['gnocchi_resources_threshold_rule']
- resource_id = gnocchi_rule['resource_id']
-
- # Process an alarm notification if resource_id is valid
- if resource_id is not None:
- # Get date and time for response message
- a_date = time.strftime("%d-%m-%Y") + " " + time.strftime("%X")
- # Try generate and send response
- try:
- resp_message = response.generate_response(
- 'notify_alarm', a_id=alarm_id,
- r_id=resource_id,
- sev=values['severity'], date=a_date,
- state=values['current'], vim_type="openstack")
- producer.notify_alarm(
- 'notify_alarm', resp_message, 'alarm_response')
- log.info("Sent an alarm response to SO: %s", resp_message)
- except Exception as exc:
- log.exception("Couldn't notify SO of the alarm:")
- else:
- log.warn("No resource_id for alarm; no SO response sent.")
- else:
- log.warn("Authentication failure; SO notification not sent.")
- except:
- log.exception("Could not notify alarm.")
+ """Sends alarm notification message to bus."""
+
+ # Initialise configuration and authentication for response message
+ response = OpenStack_Response()
+ producer = KafkaProducer('alarm_response')
+
+ database_manager = DatabaseManager()
+
+ alarm_id = values['alarm_id']
+ alarm = database_manager.get_alarm(alarm_id, 'openstack')
+ # Process an alarm notification if resource_id is valid
+ # Get date and time for response message
+ a_date = time.strftime("%d-%m-%Y") + " " + time.strftime("%X")
+ # Generate and send response
+ resp_message = response.generate_response(
+ 'notify_alarm',
+ a_id=alarm_id,
+ vdu_name=alarm.vdu_name,
+ vnf_member_index=alarm.vnf_member_index,
+ ns_id=alarm.ns_id,
+ metric_name=alarm.metric_name,
+ operation=alarm.operation,
+ threshold_value=alarm.threshold,
+ sev=values['severity'],
+ date=a_date,
+ state=values['current'])
+ producer.publish_alarm_response(
+ 'notify_alarm', resp_message)
+ log.info("Sent alarm notification: %s", resp_message)
def run(server_class=HTTPServer, handler_class=NotifierHandler, port=8662):
log.info("Starting alarm notifier server on port: %s", port)
httpd.serve_forever()
except Exception as exc:
- log.warn("Failed to start webserver, %s", exc)
+ log.warning("Failed to start webserver, %s", exc)
if __name__ == "__main__":