alerta-contrib/plugins/amqp/alerta_amqp.py
2023-03-21 00:15:34 +01:00

62 lines
2.0 KiB
Python

import logging
import os
from alerta.plugins import PluginBase
from kombu import BrokerConnection, Exchange, Producer
from kombu.utils.debug import setup_logging
try:
from alerta.plugins import app # alerta >= 5.0
except ImportError:
from alerta.app import app # alerta < 5.0
LOG = logging.getLogger('alerta.plugins.amqp')
DEFAULT_AMQP_URL = 'mongodb://localhost:27017/kombu'
DEFAULT_AMQP_TOPIC = 'notify'
DEFAULT_AMQP_SEND_ALERT_HISTORY = True
AMQP_URL = os.environ.get('REDIS_URL') or os.environ.get(
'AMQP_URL') or app.config.get('AMQP_URL', DEFAULT_AMQP_URL)
AMQP_TOPIC = os.environ.get('AMQP_TOPIC') or app.config.get(
'AMQP_TOPIC', DEFAULT_AMQP_TOPIC)
class FanoutPublisher(PluginBase):
def __init__(self, name=None):
if app.config['DEBUG']:
setup_logging(loglevel='DEBUG', loggers=[''])
self.connection = BrokerConnection(AMQP_URL)
try:
self.connection.connect()
except Exception as e:
LOG.error('Failed to connect to AMQP transport %s: %s', AMQP_URL, e)
raise RuntimeError
self.channel = self.connection.channel()
self.exchange_name = AMQP_TOPIC
self.exchange = Exchange(
name=self.exchange_name, type='fanout', channel=self.channel)
self.producer = Producer(exchange=self.exchange, channel=self.channel)
super().__init__(name)
LOG.info('Configured fanout publisher on topic "%s"', AMQP_TOPIC)
def pre_receive(self, alert, **kwargs):
return alert
def post_receive(self, alert, **kwargs):
LOG.info('Sending message %s to AMQP topic "%s"',
alert.get_id(), AMQP_TOPIC)
body = alert.get_body(history=self.get_config(
'AMQP_SEND_ALERT_HISTORY', default=DEFAULT_AMQP_SEND_ALERT_HISTORY, type=bool, **kwargs))
LOG.debug('Message: %s', body)
self.producer.publish(body, declare=[self.exchange], retry=True)
def status_change(self, alert, status, text, **kwargs):
return