40 lines
1.2 KiB
Bash
Executable File
40 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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function usage() {
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echo "This script starts a kube cluster by kind."
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echo "Usage: hack/create-cluster.sh <CLUSTER_NAME> <KUBECONFIG>"
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echo "Example: hack/create-cluster.sh host /root/.kube/host.config"
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}
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if [[ $# -ne 2 ]]; then
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usage
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exit 1
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fi
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CLUSTER_NAME=$1
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if [[ -z "${CLUSTER_NAME}" ]]; then
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usage
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exit 1
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fi
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KUBECONFIG=$2
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if [[ -z "${KUBECONFIG}" ]]; then
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usage
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exit 1
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fi
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# TODO(RainbowMango): pin kind version(v0.9.0) and install automatically.
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kind create cluster --name "${CLUSTER_NAME}" --kubeconfig="${KUBECONFIG}" --wait=120s
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# Kind cluster's context name contains a "kind-" prefix by default.
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# Change context name to cluster name.
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kubectl config rename-context "kind-${CLUSTER_NAME}" "${CLUSTER_NAME}" --kubeconfig="${KUBECONFIG}"
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# Kind cluster uses `127.0.0.1` as kube-apiserver endpoint by default, thus kind clusters can't reach each other.
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# So we need to update endpoint with container IP.
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container_ip=$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "${CLUSTER_NAME}-control-plane")
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kubectl config set-cluster "kind-${CLUSTER_NAME}" --server="https://${container_ip}:6443" --kubeconfig="${KUBECONFIG}"
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