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Decommission db2063.codfw.wmnet
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Description

This task will track the decommission of server db2063.codfw.wmnet

The first 5 steps should be completed by the service owner that is returning the server to DC-ops (for reclaim to spare or decommissioning, dependent on server configuration and age.)

db2063
Steps for service owner:

  • - all system services confirmed offline from production use
  • - 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) https://gerrit.wikimedia.org/r/#/c/operations/puppet/+/530790/
  • - unassign service owner from this task, check off completed steps, and assign to @RobH for followup on below steps.

Steps for DC-Ops:

The following steps cannot be interrupted, as it will leave the system in an unfinished state.

Start non-interrupt steps:

  • - disable puppet on host
  • - power down host
  • - update netbox status to Inventory (if decom) or Planned (if spare)
  • - disable switch port
  • - switch port assignment noted on this task (for later removal)
  • - remove all remaining puppet references (include role::spare)
  • - remove production dns entries
  • - puppet node clean, puppet node deactivate (handled by wmf-decommission-host)
  • - remove dbmonitor entries on neodymium/sarin: sudo curl -X DELETE https://debmonitor.discovery.wmnet/hosts/${HOST_FQDN} --cert /etc/debmonitor/ssl/cert.pem --key /etc/debmonitor/ssl/server.key (handled by wmf-decommission-host)

End non-interrupt steps.

  • - Label the idrac as not working so this host doesn't get re-used again T230459#5413347
  • - system disks wiped (by onsite)
  • - IF DECOM: system unracked and decommissioned (by onsite), update racktables with result
  • - IF DECOM: add system to decommission tracking google sheet
  • - IF DECOM: mgmt dns entries removed.

Event Timeline

Marostegui triaged this task as Normal priority.Aug 19 2019, 5:34 AM
Marostegui created this task.

Change 530790 had a related patch set uploaded (by Marostegui; owner: Marostegui):
[operations/puppet@production] mariadb: Move db2067 to m2, decomm db2063

https://gerrit.wikimedia.org/r/530790

Change 530790 merged by Marostegui:
[operations/puppet@production] mariadb: Move db2067 to m2, decomm db2063

https://gerrit.wikimedia.org/r/530790

Marostegui moved this task from Triage to In progress on the DBA board.Aug 19 2019, 7:11 AM
Marostegui updated the task description. (Show Details)
Marostegui reassigned this task from Marostegui to RobH.Aug 19 2019, 7:17 AM
Marostegui edited projects, added decommission, ops-codfw, DC-Ops; removed DBA.
Marostegui updated the task description. (Show Details)
Marostegui added a subscriber: jcrespo.

This host is ready for DC-Ops to decommission

Papaul moved this task from Backlog to Decommission on the ops-codfw board.Thu, Oct 10, 1:33 AM

cookbooks.sre.hosts.decommission executed by marostegui@cumin1001 for hosts: db2063.codfw.wmnet

  • db2063.codfw.wmnet (PASS)
    • Downtimed host on Icinga
    • Downtimed management interface on Icinga
    • Wiped bootloaders
    • Powered off
    • Set Netbox status to Decommissioning
    • Removed from DebMonitor
    • Removed from Puppet master and PuppetDB

Change 542013 had a related patch set uploaded (by Marostegui; owner: Marostegui):
[operations/puppet@production] site.pp: Remove db2063 from puppet

https://gerrit.wikimedia.org/r/542013

Change 542015 had a related patch set uploaded (by Marostegui; owner: Marostegui):
[operations/dns@master] wmnet: Remove db2063 DNS production entries

https://gerrit.wikimedia.org/r/542015

Change 542013 merged by Marostegui:
[operations/puppet@production] site.pp: Remove db2063 from puppet

https://gerrit.wikimedia.org/r/542013

Change 542015 merged by Marostegui:
[operations/dns@master] wmnet: Remove db2063 DNS production entries

https://gerrit.wikimedia.org/r/542015

Marostegui reassigned this task from RobH to Papaul.Thu, Oct 10, 7:00 AM
Marostegui removed a project: Patch-For-Review.
Marostegui updated the task description. (Show Details)

Host ready for on-site and switch disablement steps

papaul@asw-d-codfw# show | compare 
[edit interfaces interface-range vlan-private1-d-codfw]
-    member ge-6/0/11;
[edit interfaces interface-range disabled]
     member ge-6/0/5 { ... }
+    member ge-6/0/11;
[edit interfaces]
-   ge-6/0/11 {
-       description db2063;
-       enable;
-   }
Papaul updated the task description. (Show Details)Thu, Oct 10, 2:25 PM
Papaul updated the task description. (Show Details)Fri, Oct 11, 7:42 PM

Change 542597 had a related patch set uploaded (by Papaul; owner: Papaul):
[operations/dns@master] DNS: Remove mgmt DNS for db2057 and db2063

https://gerrit.wikimedia.org/r/542597

Change 542597 merged by Papaul:
[operations/dns@master] DNS: Remove mgmt DNS for db2057 and db2063

https://gerrit.wikimedia.org/r/542597

Papaul closed this task as Resolved.Fri, Oct 11, 8:27 PM
Papaul updated the task description. (Show Details)

Complete