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Wikimedia Cloud Services team/Clinic duties

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The WMCS team practices a clinic duty rotation that runs from one weekly team meeting to the next. Each team member takes a turn sequentially performing these duties. Clinic Duty runs from one weekly meeting to the next. Your shift begins after the weekly meeting, and ends with the next.

Start of clinic duty

🦄 of the week duties

Phabricator

Monitoring

  • Monitor icinga for alerts, especially WMCS hardware.
  • Watch for wmcs-related cronspam and fix the causes when possible
  • Check the tools grafana board for trends
  • Check for broken puppet on VMs (owners get daily emails from puppetalert.py but you can contact them if an instance is un-puppetized for a particularly long time). From a cumin master:
cloud-cumin-01:~$ sudo cumin --force --timeout 500 -o json  "A:all" "/usr/local/lib/nagios/plugins/check_puppetrun -w 3600 -c 86400" | grep "Failed to apply catalog"
cloud-cumin-01:~$ sudo cumin --force --timeout 500 -o json  "A:all" "/usr/local/lib/nagios/plugins/check_puppetrun -w 3600 -c 86400" | grep  -i unknown

Community

IRC

  • #wikimedia-cloud connect monitoring
    • Respond to help requests
    • Watch for pings to other team members and intercept if appropriate
    • Watch for pings to !help
    • Call people out for poor behavior in the channel
    • Praise people for helping constructively

Requests

Maintenance tasks (probably not all weeks)

End of clinic duty

  • Summarize work reported by the team on the weekly meeting etherpad and add summary to:
    • Add outgoing updates to weekly SRE meeting document (put important notes in bold)
    • Nicholas will also copy this summary to the weekly Tech Managers meeting notes