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Deploy Telegram receiver

Connected Prometheus alertmanager via webhook receiver to telegram.

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oc new-project telegram
# Build and deploy
oc new-app --name=telegram \
    https://github.com/openshift-examples/alertmanager-webhook-telegram.git

Add enviorment variables to deploymentconfig telegram

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FLASK_ENV=development # If you like debug output ;-)
APP_FILE=flaskAlert.py
TELEGRAM_BOTTOKEN="9999999999:AAAAAA-AAAAAA-AAAAA...."
TELEGRAM_CHATID="999999999"
BASIC_AUTH_USERNAME="aiPh1eHu"
BASIC_AUTH_PASSWORD="eoPhait8"
# In case of proxy env:
HTTP_PROXY="http://192.168.51.1:8888"
HTTPS_PROXY="http://192.168.51.1:8888"

Adjust alertmanager.yaml, example:

alertmanager.yaml 

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"global":
  "resolve_timeout": "5m"
"receivers":
  - name: 'telegram-webhook'
    webhook_configs:
    - url: http://telegram.telegram.svc.cluster.local:8080/alert
      send_resolved: true
      http_config:
        basic_auth:
          username: 'aiPh1eHu'
          password: 'eoPhait8'
"route":
  "group_by":
  - "job"
  "group_interval": "5m"
  "group_wait": "30s"
  "receiver": "telegram-webhook"
  "repeat_interval": "12h"
  "routes":
    - receiver: telegram-webhook
      match:
        alertname: Watchdog

2021-06-18 2020-03-18 Contributors: Robert Bohne