ReleaseEngineering/How To/Decommission Slave

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There are a few steps that need to be followed here in order to decommission a slave.

The list of slaves in DB is available here (

  • In order to decommission a slave the bellow steps must be taken in this order:
    • Disable slave from production
    • Make sure is no longer attach to a master
    • Shut down machine
    • Remove from Nagios
      • From puppet sysadmin repository (modules/nagios4/manifests/prod/releng/scl3.pp)
    • Remove from Inventory
      • People from DCOps team must mark these machines as decommissioned
    • Remove from buildbot-configs
      • mozilla-tests/ or mozilla/
    • Remove from DB

Usefull bug examples

  • Bug 1396454
  • Bug 1402830