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Improve documentation for using private registries

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When updating k3s private registries configuration (under
/etc/rancher/k3s/registries.yaml), one has to use the k3s crictl binary
to verify the changes done to the containerd configuration.
This commit is contained in:
Vincent Rubiolo 2022-04-12 15:52:01 +02:00
parent 2d3b6dddf3
commit 877c686f76
1 changed files with 3 additions and 3 deletions
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6
registry/README.md
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@ -204,13 +204,13 @@ EOF
sudo systemctl restart k3s sudo systemctl restart k3s
``` ```
If this is successfully applied, you can check the applied configuration in the `config.registry` section of the following command. If this is successfully applied, you can check the applied configuration in the `config.registry` section of the following command. Be sure to use the `crictl` binary from k3s, otherwise you won't see your changes reflected in the `containerd` configuration used by k3s.
```bash ```bash
sudo /usr/local/bin/crictl info sudo k3s crictl info
# With jq # With jq
sudo /usr/local/bin/crictl info | jq .config.registry sudo k3s crictl info | jq .config.registry
``` ```
If you want Kubernetes to be able to pull images directly from this private registry, alternatively you can also manually create `imagePullSecrets` for the Pod instead of writing your credentials in `auth` in `registries.yaml`. [Another guide about rate limiting on Docker Hub](../tips/dockerhub-rate-limit.md) explains how to use `ImagePullSecrets`. If you want Kubernetes to be able to pull images directly from this private registry, alternatively you can also manually create `imagePullSecrets` for the Pod instead of writing your credentials in `auth` in `registries.yaml`. [Another guide about rate limiting on Docker Hub](../tips/dockerhub-rate-limit.md) explains how to use `ImagePullSecrets`.