registry-creds addon stopped working in Minikube 0.26.0

[jim.b...@healthengine.com.au]

Hi.

I've been playing around with Minikube, and part of that was using the
registry-creds addon to allow access to pull Docker images from AWS ECR.
With Minikube 0.25.2 this was working fine, but is broken using 0.26.0.

I deleted the cluster and set it up again using Minikube 0.26.0.
I have configured the registry-creds addon, and it created the
registry-creds-dpr, registry-creds-ecr, and registry-creds-gcr secrets in the
kube-system namespace.
However, the addon is not creating the awsecr-cred and dpr-secret secrets in the
other name spaces.
I've checked the content of the registry-creds-* secrets and they look valid.

I've ssh'ed to the Minikube VM and looked at the logs for the container called
k8s.gcr.io/kube-addon-manager.
In the logs are messages like so:

The ReplicationController "registry-creds" is invalid: spec.template.metadata.labels: Invalid value: map[string]string{"addonmanager.kubernetes.io/mode":"Reconcile", "name":"registry-creds", "version":"v1.8"}: `selector` does not match template `labels`

I don't know if it used to do that in the older version of Minikube or not, but
I have a feeling this is cause of the issue.

Regards,
Jim Barber

[jim.b...@healthengine.com.au]

I have found there is a problem with the
/etc/kubernetes/addons/registry-creds-rc.yaml manifest.

It starts out like so:

apiVersion: v1
kind: ReplicationController
metadata:
name: registry-creds
namespace: kube-system
labels:
version: v1.9
addonmanager.kubernetes.io/mode: Reconcile
kubernetes.io/minikube-addons: registry-creds
spec:
replicas: 1
selector:
name: registry-creds
version: v1.9
addonmanager.kubernetes.io/mode: Reconcile
template:
metadata:
labels:
name: registry-creds
version: v1.8
addonmanager.kubernetes.io/mode: Reconcile

The v1.8 is wrong, and if I change it to v1.9 and kill the kube-addon-manager
container so that it restarts, then everything starts working.

[Rohit Agarwal]

Thanks.

Sent https://github.com/kubernetes/minikube/pull/2701

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