79 lines
2.4 KiB
Bash
Executable File
79 lines
2.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright © 2023 - 2024 SUSE LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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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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if [[ "${TRACE-0}" == "1" ]]; then
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set -o xtrace
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fi
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# shellcheck source=./hack/utils.sh
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source "$(dirname "${BASH_SOURCE[0]}")/utils.sh"
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GOPATH_BIN="$(go env GOPATH)/bin/"
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MINIMUM_KUBECTL_VERSION=v1.27.0
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goarch="$(go env GOARCH)"
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goos="$(go env GOOS)"
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# Ensure the kubectl tool exists and is a viable version, or installs it
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verify_kubectl_version() {
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# If kubectl is not available on the path, get it
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if ! [ -x "$(command -v kubectl)" ]; then
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if [ "$goos" == "linux" ] || [ "$goos" == "darwin" ]; then
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if ! [ -d "${GOPATH_BIN}" ]; then
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mkdir -p "${GOPATH_BIN}"
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fi
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echo 'kubectl not found, installing'
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curl -sLo "${GOPATH_BIN}/kubectl" "https://dl.k8s.io/release/${MINIMUM_KUBECTL_VERSION}/bin/${goos}/${goarch}/kubectl"
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chmod +x "${GOPATH_BIN}/kubectl"
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verify_gopath_bin
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else
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echo "Missing required binary in path: kubectl"
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return 2
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fi
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fi
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local kubectl_version
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IFS=" " read -ra kubectl_version <<< "$(kubectl version --client)"
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if [[ "${MINIMUM_KUBECTL_VERSION}" != $(echo -e "${MINIMUM_KUBECTL_VERSION}\n${kubectl_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) ]]; then
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cat <<EOF
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Detected kubectl version: ${kubectl_version[2]}.
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Requires ${MINIMUM_KUBECTL_VERSION} or greater.
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Please install ${MINIMUM_KUBECTL_VERSION} or later.
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EOF
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return 2
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fi
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}
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install_plugins() {
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(
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set -x; cd "$(mktemp -d)" &&
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OS="$(uname | tr '[:upper:]' '[:lower:]')" &&
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ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/')" &&
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KREW="krew-${OS}_${ARCH}" &&
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curl -fsSLO "https://github.com/kubernetes-sigs/krew/releases/latest/download/${KREW}.tar.gz" &&
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tar zxvf "${KREW}.tar.gz" &&
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./"${KREW}" install krew
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)
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kubectl krew install crust-gather
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}
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verify_kubectl_version
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install_plugins
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