In T181518 we swapped kafka1018 with kafka1023 due to an unrecoverable hw failure.
[x] - all system services confirmed offline from production use
[x] - set all icinga checks to maint mode/disabled while reclaim/decommmission takes place.
[x] - remove system from all lvs/pybal active configuration
[x] - any service group puppet/hiera/dsh config removed
[x] - add role::spare in site.pp
START NON-INTERRUPPTABLE STEPS
[X] - disable puppet on host - CANNOT, HOST WONT BOOT
[] - remove all remaining puppet references (include role::spare)
[X] - power down host - CANNOT, HOST WONT BOOT
[] - disable switch port
[] - switch port assignment noted on this task (for later removal)
[] - remove production dns entries
[] - puppet node clean, puppet node deactivate
END NON-INTERRUPPTABLE STEPS
[] - system disks wiped (by onsite)
[] - IF DECOM: system unracked and decommissioned (by onsite), update racktables with result
[] - IF DECOM: switch port configration removed from switch once system is unracked.
[] - IF DECOM: mgmt dns entries removed.