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kind-with-registry.sh
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kind-with-registry.sh
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#!/bin/sh
#
# Adapted from:
# https://github.com/kubernetes-sigs/kind/commits/master/site/static/examples/kind-with-registry.sh
#
# Copyright 2020 The Kubernetes Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -o errexit
# desired cluster name; default is "kind"
KIND_CLUSTER_NAME="${KIND_CLUSTER_NAME:-kind}"
KIND_CLUSTER_OPTS="--name ${KIND_CLUSTER_NAME}"
if [ -n "${KIND_CLUSTER_IMAGE}" ]; then
KIND_CLUSTER_OPTS="${KIND_CLUSTER_OPTS} --image ${KIND_CLUSTER_IMAGE}"
fi
kind_version=$(kind version)
kind_network='kind'
reg_name='kind-registry'
reg_port='5000'
case "${kind_version}" in
"kind v0.7."* | "kind v0.6."* | "kind v0.5."*)
kind_network='bridge'
;;
esac
# create registry container unless it already exists
running="$(docker inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)"
if [ "${running}" != 'true' ]; then
docker run \
-d --restart=always -p "${reg_port}:5000" --name "${reg_name}" \
registry:2
fi
reg_host="${reg_name}"
if [ "${kind_network}" = "bridge" ]; then
reg_host="$(docker inspect -f '{{.NetworkSettings.IPAddress}}' "${reg_name}")"
fi
echo "Registry Host: ${reg_host}"
# create a cluster with the local registry enabled in containerd
cat <<EOF | kind create cluster ${KIND_CLUSTER_OPTS} --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
containerdConfigPatches:
- |-
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:${reg_port}"]
endpoint = ["http://${reg_host}:5000"]
EOF
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: ConfigMap
metadata:
name: local-registry-hosting
namespace: kube-public
data:
localRegistryHosting.v1: |
host: "localhost:${reg_port}"
help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
EOF
if [ "${kind_network}" != "bridge" ]; then
containers=$(docker network inspect ${kind_network} -f "{{range .Containers}}{{.Name}} {{end}}")
needs_connect="true"
for c in $containers; do
if [ "$c" = "${reg_name}" ]; then
needs_connect="false"
fi
done
if [ "${needs_connect}" = "true" ]; then
docker network connect "${kind_network}" "${reg_name}" || true
fi
fi