63 lines
2.0 KiB
Bash
Executable File
63 lines
2.0 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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SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
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function usage() {
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echo "This script will remove karmada control plane from a cluster."
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echo "Usage: hack/undeploy-karmada.sh [KUBECONFIG] [CONTEXT_NAME]"
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echo "Example: hack/undeploy-karmada.sh ~/.kube/karmada.config karmada-host"
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}
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if [[ $# -ne 2 ]]; then
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usage
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exit 1
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fi
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# check kube config file existence
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if [[ ! -f "${1}" ]]; then
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echo -e "ERROR: failed to get kubernetes config file: '${1}', not existed.\n"
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usage
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exit 1
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fi
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HOST_CLUSTER_KUBECONFIG=$1
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# check context existence
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if ! kubectl config get-contexts "${2}" --kubeconfig="${HOST_CLUSTER_KUBECONFIG}" > /dev/null 2>&1;
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then
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echo -e "ERROR: failed to get context: '${2}' not in ${HOST_CLUSTER_KUBECONFIG}. \n"
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usage
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exit 1
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fi
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HOST_CLUSTER_NAME=$2
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# delete all keys and certificates
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rm -fr "${HOME}/.karmada"
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ETCD_HOST_IP=$(kubectl get pod -l app=etcd -n karmada-system -o jsonpath='{.items[0].status.hostIP}')
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# clear all in namespace karmada-system
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kubectl --context="${HOST_CLUSTER_NAME}" delete ns karmada-system --kubeconfig="${HOST_CLUSTER_KUBECONFIG}"
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# delete clusterroles
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kubectl --context="${HOST_CLUSTER_NAME}" delete clusterrole karmada-controller-manager --kubeconfig="${HOST_CLUSTER_KUBECONFIG}"
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# delete clusterrolebindings
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kubectl --context="${HOST_CLUSTER_NAME}" delete clusterrolebindings karmada-controller-manager --kubeconfig="${HOST_CLUSTER_KUBECONFIG}"
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# clear configs about karmada-apiserver in kubeconfig
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kubectl config delete-cluster karmada-apiserver --kubeconfig="${HOST_CLUSTER_KUBECONFIG}"
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kubectl config unset users.karmada-apiserver --kubeconfig="${HOST_CLUSTER_KUBECONFIG}"
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kubectl config delete-context karmada-apiserver --kubeconfig="${HOST_CLUSTER_KUBECONFIG}"
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function print_success() {
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echo
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echo "Karmada is undeployed successfully."
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echo "Please remove the directory '/var/lib/karmada-etcd' in $ETCD_HOST_IP manually to clean the garbage resource thoroughly."
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}
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print_success
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