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Add examples/kind-with-registry.sh to start a kind cluster with zot as a local registry. Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>
66 lines
2.1 KiB
Bash
Executable file
66 lines
2.1 KiB
Bash
Executable file
#!/bin/sh
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set -o errexit
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# Reference: https://kind.sigs.k8s.io/docs/user/local-registry/
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# set no_proxy if applicable
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if [ ! -z "${no_proxy}" ]; then
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echo "Updating no_proxy env var";
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export no_proxy=${no_proxy},kind-registry;
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export NO_PROXY=${no_proxy};
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fi
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# create registry container unless it already exists
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reg_name='kind-registry'
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reg_port='5001'
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if [ "$(docker inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)" != 'true' ]; then
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docker run \
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-d --restart=always -p "127.0.0.1:${reg_port}:5000" --name "${reg_name}" \
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ghcr.io/project-zot/zot-minimal-linux-amd64:latest
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fi
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# create a cluster with the local registry enabled in containerd
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cat <<EOF | kind create cluster --config=-
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kind: Cluster
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apiVersion: kind.x-k8s.io/v1alpha4
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containerdConfigPatches:
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- |-
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[plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:${reg_port}"]
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endpoint = ["http://${reg_name}:5000"]
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EOF
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# connect the registry to the cluster network if not already connected
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if [ "$(docker inspect -f='{{json .NetworkSettings.Networks.kind}}' "${reg_name}")" = 'null' ]; then
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docker network connect "kind" "${reg_name}"
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fi
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# Document the local registry
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# https://github.com/kubernetes/enhancements/tree/master/keps/sig-cluster-lifecycle/generic/1755-communicating-a-local-registry
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cat <<EOF | kubectl apply -f -
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: local-registry-hosting
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namespace: kube-public
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data:
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localRegistryHosting.v1: |
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host: "localhost:${reg_port}"
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help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
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EOF
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# Copy an image
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skopeo copy --format=oci --dest-tls-verify=false docker://gcr.io/google-samples/hello-app:1.0 docker://localhost:5001/hello-app:1.0
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# Deploy
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kubectl create deployment hello-server --image=localhost:5001/hello-app:1.0
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# Check
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echo "Waiting for deployment/hello-server to be ready ..."
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kubectl wait deployment -n default hello-server --for condition=Available=True --timeout=90s
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# cleanup
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echo "Press a key to begin cleanup ..."
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read KEYPRESS
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kind delete cluster
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docker stop kind-registry
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docker rm kind-registry
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