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decommission dbproxy1011.eqiad.wmnet
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Description

This task will track the decommission-hardware of server dbproxy1011.eqiad.wmnet

With the launch of updates to the decom cookbook, the majority of these steps can be handled by the service owners directly. The DC Ops team only gets involved once the system has been fully removed from service and powered down by the decommission cookbook.

dbproxy1011

Steps for service owner:

  • - all system services confirmed offline from production use
  • - Drop grants for 'haproxy'@'10.64.37.28' T231280
  • - set all icinga checks to maint mode/disabled while reclaim/decommmission takes place.
  • - remove system from all lvs/pybal active configuration
  • - any service group puppet/hiera/dsh config removed
  • - remove site.pp, replace with role(spare::system) recommended to ensure services offline but not 100% required as long as the decom script is IMMEDIATELY run below.
  • - login to cumin host and run the decom cookbook: cookbook sre.hosts.decommission <host fqdn> -t <phab task>. This does: bootloader wipe, host power down, netbox update to decommissioning status, puppet node clean, puppet node deactivate, debmonitor removal.
  • - remove all remaining puppet references (include role::spare) and all host entries in the puppet repo
  • - remove ALL dns entries except the asset tag mgmt entries.
  • - reassign task from service owner to DC ops team member depending on site of servee.

End service owner steps / Begin DC-Ops team steps:

  • - disable switch port / set to asset tag if host isn't being unracked / remove from switch if being unracked.
  • - system disks wiped (by onsite)
  • - determine system age, under 5 years are reclaimed to spare, over 5 years are decommissioned.
  • - IF DECOM: system unracked and decommissioned (by onsite), update netbox with result and set state to offline
  • - IF DECOM: switch port configration removed from switch once system is unracked.
  • - IF DECOM: add system to decommission tracking google sheet
  • - IF DECOM: mgmt dns entries removed.
  • - IF RECLAIM: set netbox state to 'inventory' and hostname to asset tag

Event Timeline

Grants for haproxy user were dropped at: T231280#6051126

Change 589185 had a related patch set uploaded (by Marostegui; owner: Marostegui):
[operations/puppet@production] mariadb: Decommission dbproxy1011

https://gerrit.wikimedia.org/r/589185

Change 589186 had a related patch set uploaded (by Marostegui; owner: Marostegui):
[operations/dns@master] wmnet: Remove production dns entry for dbproxy1011

https://gerrit.wikimedia.org/r/589186

cookbooks.sre.hosts.decommission executed by marostegui@cumin1001 for hosts: dbproxy1011.eqiad.wmnet

  • dbproxy1011.eqiad.wmnet (PASS)
    • Downtimed host on Icinga
    • Found physical host
    • Downtimed management interface on Icinga
    • Wiped bootloaders
    • Powered off
    • Set Netbox status to Decommissioning
    • Removed from DebMonitor
    • Removed from Puppet master and PuppetDB

Change 589185 merged by Kormat:
[operations/puppet@production] mariadb: Decommission dbproxy1011

https://gerrit.wikimedia.org/r/589185

Change 589186 merged by Kormat:
[operations/dns@master] wmnet: Remove production dns entry for dbproxy1011

https://gerrit.wikimedia.org/r/589186

Kormat updated the task description. (Show Details)
Kormat edited projects, added ops-eqiad, decommission-hardware; removed DBA.

This is ready for the DC-Ops team.

Change 596261 had a related patch set uploaded (by Cmjohnson; owner: Cmjohnson):
[operations/dns@master] Removing mgmt dns entries for dbproxy1011

https://gerrit.wikimedia.org/r/596261

Change 596261 merged by Cmjohnson:
[operations/dns@master] Removing mgmt dns entries for dbproxy1011

https://gerrit.wikimedia.org/r/596261

Cmjohnson updated the task description. (Show Details)
Cmjohnson subscribed.

Server is out of the rack