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Cinchy v5.0 - v5.5
Cinchy v5.0 - v5.5
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  • Update Instructions

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  1. Deployment Guide
  2. Upgrade Guides
  3. Upgrading Cinchy Versions
  4. Kubernetes Upgrades

Updating the Kubernetes Image Registry

Overview

The Kubernetes project runs a community-owned image registry called registry.k8s.io in which to host its container images. On April 3rd, 2023, the registry k8s.gcr.io was deprecated and no further images for Kubernetes and related subprojects are being pushed to this location.

Instead, there is a new registry: registry.k8s.io.

New Cinchy Deployments: this change will be automatically reflected in your installation.

For Current Cinchy Deployments: please follow the instructions outlined in this upgrade guide to ensure your components are pointed to the correct image repo.

You can review the full details on this change here: https://kubernetes.io/blog/2023/02/06/k8s-gcr-io-freeze-announcement/

Update Instructions

  1. In a shell/terminal, run the below command to get a list of all the pods that are pointing to the old registry: k8s.gcr.io. These will need to be updated to point to the new image registry.

kubectl get pods --all-namespaces -o jsonpath="{.items[*].spec.containers[*].image}" |\
tr -s '[[:space:]]' '\n' |\
sort |\
uniq -c
grep "k8s.gcr.io"
  1. Once you find which pods are using old image registry, you need to update its deployment/daemonset/stateful set with new registry.k8s.io registry. Find the right resource type for your pods with below command:

kubectl get deployment,daemonset,statefulset --all-namespaces
  1. Once you have your pod name and resource type, run the below command to open the manifest file in an editor:

The below command uses the autoscaler as an example. You will want to propagate the command with your correct pod and resource type.

kubectl edit deployment cluster-autoscaler -n kube-system
  1. In the editor, find any instances of k8s.gcr.io and replace it with registry.k8s.io.

  2. Save and close the file.

  3. Repeat steps 3-5 for the rest of your pods until they are all pointing to the correct registry.

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Last updated 2 years ago

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