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How to fix invalid image pull secret in Kubernetes | DevErrors

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How to fix invalid image pull secret

How to fix invalid image pull secret in Kubernetes

KubernetesBEGINNERHIGH

Error when imagePullSecret is invalid

What this error means

Secret missing, wrong namespace, or malformed

Typical symptoms

ImagePullBackOff
no auth
secret missing
auth fails
cross-namespace fails

Common causes

missing
wrong namespace
wrong type
malformed
RBAC restricts

How to fix "invalid image pull secret"

1Check reference

kubectl get pod -o yaml | grep imagePullSecrets

2Verify secret

kubectl get secret

3Check type

kubectl get secret -o jsonpath=.type

4Create secret

kubectl create secret docker-registry

Add to spec

Advanced notes

Secrets namespace-scoped. kubernetes.io/dockercfg or kubernetes.io/dockerconfigjson types. Create in each namespace separately.

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Official resources & further reading

📚Kubernetes Official Documentation
📖
Kubernetes Docs: Pull an Image from a Private Registry(Official Docs)
📖
Kubernetes Docs: Secrets(Official Docs)
💬
Stack Overflow: Kubernetes imagePullSecrets issues(Stack Overflow)

5

spec.imagePullSecrets.name

6Set default

kubectl patch serviceaccount

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