ReleaseEngineering/How To/Decommission buildbot masters

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There are a few steps required to decommission a buildbot master.

  • disable the master in Slavealloc: https://secure.pub.build.mozilla.org/slavealloc/ui/#masters
  • shutdown it down to prevent Puppet from spamming us
  • remove it from puppet repository
    • manifests/moco-nodes.pp
  • remove the master from sysadmin Puppet repository (git-internal.mozilla.org/sysadmins/puppet.git)
    • modules/nagios4/manifests/prod/releng/scl3.pp
  • remove it from tools repository
    • buildfarm/maintenance/production-masters.json
  • delete the master from buildslaves DB
  • once our part of the process is done, we'll also need to file a bug against MOC:Service Requests for decommissioning that master

Useful bug examples

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