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IBM Cloud Container Registryのイメージプルシークレットが1つになったという話

IBM Cloud Kubernetes Serviceをオーダーすると自動的にIBM Cloud Container Registry(ICR)のイメージプルシークレットが作成されますが、かつてはICRのリージョンごとにシークレットが分かれていました。

最近(多分2020年4月頃だと思われます)、これらを統合したall-icr-ioというシークレットができるようになりました。全リージョンのものが含まれているので、今後はそれ1つを使えばよいとのことです。

$ kubectl get secrets | grep icr

all-icr-io # これ
default-au-icr-io
default-de-icr-io
default-icr-io
default-jp-icr-io
default-uk-icr-io
default-us-icr-io

現在このシークレットがない場合は、CLIからプルシークレットの更新をすることで反映されます。

$ ibmcloud ks cluster pull-secret apply -c <cluster>

なお、コマンド実行から反映まで数分かかります。

参考

https://cloud.ibm.com/docs/containers?topic=containers-registry&locale=en

I see image pull secrets for the regional registry domains and all registry domains. Which one do I use?
Previously, IBM Cloud Kubernetes Service created separate image pull secrets for each regional, public icr.io registry domain. Now, all the public and private icr.io registry domains for all regions are stored in a single all-icr-io image pull secret that is automatically created in the default namespace of your cluster.

To let your workloads pull container images from other namespaces, you can now copy only the all-icr-io image pull secret to that namespace, and specify the all-icr-io secret in your service account or deployment. You do not need to copy the image pull secret that matches the regional registry of your image anymore.

teruq
ガチSIer ※私の記事は私の所属する会社・組織の公式見解ではなく私個人の意見となります
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