The TL;DR is that when we reimaged mw1372 as wikikube-ctrl1001 (after the addition of a 10G card to satisfy the increased network bandwidth needs) we figured out that it was part of the mw1349-mw1413 batch that is meant to be decommisioned with T375842: decommission mw[1349-1413]. We 'll be able to utilize it for as long as we want per {T375842#10183392} and followups, but procuring a replacement will take a while. In the meantime we might be able to just reimage a current wikikube-worker node from the batch that was meant to replace that hardware.
The new boxes already have 10G cards so that wouldn't be an issue from the side of the hardware
We 'll need to find one of the 65 new boxes that resides on a rack in eqiad that has a spare 10G ports, hence tagging netops
Updates
We picked wikikube-worker1290 in random from the list in T379790#10318533
The 65 machines, with their per rack/rackrow groupings are belowlisted bellow
===== NODE GROUP =====
(5) wikikube-worker[1280-1283,1301].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-e6-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(4) wikikube-worker[1276-1279].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-e5-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(5) wikikube-worker[1296-1300].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-f7-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(6) wikikube-worker[1292-1295,1303-1304].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-f6-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(6) wikikube-worker[1270-1275].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-d-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(4) wikikube-worker[1288-1291].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-f5-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(10) wikikube-worker[1250-1259].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-b-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(5) wikikube-worker[1284-1287,1302].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-e7-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(10) wikikube-worker[1260-1269].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-c-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(10) wikikube-worker[1240-1249].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-a-eqiad.mgmt.eqiad.wmnet- wikikube-ctrl1002 is at asw2-b-eqiad.mgmt.eqiad.wmnet
- ikikube-ctrl1003 is at asw2-c-eqiad.mgmt.eqiad.wmnet
and we want to avoid having >1 of them in the same network availability zone. Which rules out the following two groups
===== NODE GROUP =====
(10) wikikube-worker[1250-1259].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-b-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(10) wikikube-worker[1260-1269].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-c-eqiad.mgmt.eqiad.wmnetleaving
===== NODE GROUP =====
(5) wikikube-worker[1280-1283,1301].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-e6-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(4) wikikube-worker[1276-1279].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-e5-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(5) wikikube-worker[1296-1300].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-f7-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(6) wikikube-worker[1292-1295,1303-1304].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-f6-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(6) wikikube-worker[1270-1275].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-d-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(4) wikikube-worker[1288-1291].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-f5-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(5) wikikube-worker[1284-1287,1302].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: lsw1-e7-eqiad.mgmt.eqiad.wmnet
===== NODE GROUP =====
(10) wikikube-worker[1240-1249].eqiad.wmnet
----- OUTPUT of 'lldpctl|grep SysName' -----
SysName: asw2-a-eqiad.mgmt.eqiad.wmnetIf we can secure a 10G port for one of the machines in the above and cable it, we can probably reimage that host as wikikube-ctrl1004 and decom wikikube-ctrl1001