unable to delete, modify or change the creationTimestamp in a Kubernetes CRD object

Question

I am trying to update a custom resource:

kubectl edit ticketservice r134-4979a2f6-f46d-405d-97bc-ab1ba -n 2b9aea53dbfc47a

apiVersion: ticketservice.ias.alpha.com/v1alpha1
kind: TicketService
metadata:
  annotations:
    foo: bar
    baz: bux
    .. etc ..
  creationTimestamp: "2022-05-04T20:08:06Z" <--- here
  finalizers:
  - ticket-generator/simulator-finalizer
  generation: 3
  labels:
    label1: value1
    .. etc ..
  name: r134-4979a2f6-f46d-405d-97bc-ab1baf97543d

No matter what I do on the edit, the creationTimestamp just comes back at the same time. I can't edit it, can't remove the line either - it just comes back.

I thought maybe the finalizer line was involved, but I was able to delete it, but still no dice editing the creationTimestamp

I think there must be another resource that locks this value; any idea what the reason is, and if there's another check going on on submission, then how would I trace that?

Oliver Williams · Accepted Answer · 2022-05-05 15:34:19Z

2

creationtimestamp can only be set by Kubernetes as it turns out. From a trusted source but sadly don't have the specific k8s docs ref.

answered May 5, 2022 at 15:34

Oliver Williams

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theadzik · Accepted Answer · 2024-04-22 11:48:39Z

0

From kubernetes API docs

CreationTimestamp is a timestamp representing the server time when this object was created. It is not guaranteed to be set in happens-before order across separate operations. Clients may not set this value. It is represented in RFC3339 form and is in UTC. Populated by the system. Read-only. Null for lists.

answered Apr 22, 2024 at 11:48

theadzik

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