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feat: Add script to deploy k8s metrics-server in member cluster
Signed-off-by: jwcesign <jiangwei115@huawei.com>
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jwcesign
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Jun 8, 2023
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#!/bin/bash | ||
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set -o errexit | ||
set -o nounset | ||
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_tmp=$(mktemp -d) | ||
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function usage() { | ||
echo "This script will deploy metrics-server in member clusters." | ||
echo "Usage: hack/deploy-k8s-metrics-server.sh <MEMBER_CLUSTER_KUBECONFIG> <MEMBER_CLUSTER_NAME>" | ||
echo "Example: hack/deploy-k8s-metrics-server.sh ~/.kube/members.config member1" | ||
} | ||
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cleanup() { | ||
rm -rf "${_tmp}" | ||
} | ||
trap "cleanup" EXIT SIGINT | ||
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if [[ $# -ne 2 ]]; then | ||
usage | ||
exit 1 | ||
fi | ||
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# check kube config file existence | ||
if [[ ! -f "${1}" ]]; then | ||
echo -e "ERROR: failed to get kubernetes config file: '${1}', not existed.\n" | ||
usage | ||
exit 1 | ||
fi | ||
MEMBER_CLUSTER_KUBECONFIG=$1 | ||
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# check context existence | ||
if ! kubectl config get-contexts "${2}" --kubeconfig="${MEMBER_CLUSTER_KUBECONFIG}" > /dev/null 2>&1; | ||
then | ||
echo -e "ERROR: failed to get context: '${2}' not in ${MEMBER_CLUSTER_KUBECONFIG}. \n" | ||
usage | ||
exit 1 | ||
fi | ||
MEMBER_CLUSTER_NAME=$2 | ||
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# get deploy yaml | ||
wget https://github.com/kubernetes-sigs/metrics-server/releases/download/v0.6.3/components.yaml -O "${_tmp}/components.yaml" | ||
sed -i '0,/args:/s//args:\n - --kubelet-insecure-tls=true/' "${_tmp}/components.yaml" | ||
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# deploy metrics-server in member cluster | ||
kubectl --kubeconfig="${MEMBER_CLUSTER_KUBECONFIG}" --context="${MEMBER_CLUSTER_NAME}" apply -f "${_tmp}/components.yaml" | ||
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# delete tmp dir | ||
cleanup |