74 lines
2.3 KiB
Bash
74 lines
2.3 KiB
Bash
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#!/usr/bin/env bash
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# Copyright 2019 The Kubernetes Authors.
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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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[[ -n ${DEBUG:-} ]] && set -o xtrace
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source hack/utils.sh
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# SHA are for amd64 arch.
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_version="3.1.4"
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darwin_sha256="ddb663a3e4208639d90b89ebdb69dc240ec16d6b01877ccbf968f76a58a89f99"
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linux_sha256="9084877c2eea7e41fae60aaa6cdf7a7dde4e5de5e3d1f693ec8e812419ac54e9"
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_bin_url="https://github.com/YaleUniversity/packer-provisioner-goss/releases/download/v${_version}/packer-provisioner-goss-v${_version}-${HOSTOS}-${HOSTARCH}.tar.gz"
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_tarfile="${HOME}/.packer.d/plugins/packer-provisioner-goss.tar.gz"
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_binfile="${HOME}/.packer.d/plugins/packer-provisioner-goss"
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# Get a shasum for right OS's binary
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case "${HOSTOS}" in
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linux)
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_sha256="${linux_sha256}"
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;;
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darwin)
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_sha256="${darwin_sha256}"
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;;
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*)
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echo "unsupported HOSTOS=${HOSTOS}" 1>&2
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return 1
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;;
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esac
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# Check if current binary is latest
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if [ -f "${_binfile}" ]; then
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current_shasum=$(get_shasum "${_binfile}")
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if [ "$current_shasum" != "$_sha256" ]; then
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echo "Wrong version of binary present."
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else
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echo "Right version of binary present"
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# Check if binary is executable.
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# If not, delete it and proceed. If it is executable, exit 0
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{ [ -x "${_binfile}" ] && exit 0; } || rm -f "${_binfile}"
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fi
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fi
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# download binary, verify shasum, make it executable and clean up trash files.
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_bin_dir="$(dirname "${_tarfile}")"
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mkdir -p "${_bin_dir}" && cd "${_bin_dir}"
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curl -SsL "${_bin_url}" -o "${_tarfile}"
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tar -C "${_bin_dir}" -xzf "${_tarfile}"
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rm "${_tarfile}"
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printf "%s *${_binfile}" "${_sha256}" >"${_binfile}.sha256"
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if ! checksum_sha256 "${_binfile}.sha256"; then
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_exit_code="${?}"
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rm -f "${_binfile}.sha256"
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exit "${_exit_code}"
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fi
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rm -f "${_binfile}.sha256"
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chmod 0755 "${_binfile}"
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