Munin-Notify

by Other Media

Overview

Send Munin notifications to email, HipChat and Slack!

Pull requests are welcome for fixes, tweaks or additional targets.!

Usage

1. Install PyYAML (yum install PyYAML / apt install python-yaml / pip install pyyaml)

2. Install mutt (yum install mutt / apt install mutt)

3. Save munin-notify.py to /etc/munin

4. Chmod munin-notify.py to 0755

5. Add the following to /etc/munin/munin.conf:

    contact.alerts.text ${var:group} / ${var:host} / ${var:graph_category} / ${var:graph_title}\n\
    ${loop<\n>:wfields  WARNING / ${var:label} / ${var:value} / ${var:wrange} / ${var:extinfo}}\n\
    ${loop<\n>:cfields  CRITICAL / ${var:label} / ${var:value} / ${var:crange} / ${var:extinfo}}\n\
    ${loop<\n>:ufields  UNKNOWN / ${var:label} / ${var:value} / - / ${var:extinfo}}\n\
    ${loop<\n>:fofields  FIXED / ${var:label} / ${var:value} / - / ${var:extinfo}}\n
   
    contact.alerts.command /etc/munin/munin-notify.py --log-file /var/log/munin/munin-notify.log
   

6. Configure your alert targets in /etc/munin/munin-notify.yml

    targets:
      - type: email
        recipients: [ [email protected] ]
      - type: hipchat
        room: 123456
        token: abcdef0123456789abcdef0123456789
      - type: slack
        channel: '#general'
        webhook_url: http://slack/webhook/url
   

Known Munin Issues

There are several known issues with Munin's alerting. It's recommended that you apply the following patches to your Munin installation if necessary to ensure that alerting is accurate.

1. 'FIXED' notifications do not work correctly (fixed in future Munin 2.0.26 - patch available at munin-monitoring/munin#334)
2. Inherited alert thresholds do not produce alerts (fixed in future Munin 2.0.26 - patch available at munin-monitoring/munin#362)