velero/hack/download-restic.sh

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#!/bin/bash
# Copyright 2020 the Velero contributors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -o errexit
set -o nounset
set -o pipefail
# Use /output/usr/bin/ as the default output directory as this
# is the path expected by the Velero Dockerfile.
output_dir=${OUTPUT_DIR:-/output/usr/bin}
restic_bin=${output_dir}/restic
if [[ -z "${BIN}" ]]; then
echo "BIN must be set"
exit 1
fi
if [[ "${BIN}" != "velero" ]]; then
echo "${BIN} does not need the restic binary"
exit 0
fi
if [[ -z "${GOOS}" ]]; then
echo "GOOS must be set"
exit 1
fi
if [[ -z "${GOARCH}" ]]; then
echo "GOARCH must be set"
exit 1
fi
if [[ -z "${RESTIC_VERSION}" ]]; then
echo "RESTIC_VERSION must be set"
exit 1
fi
curl -s -L https://github.com/restic/restic/releases/download/v${RESTIC_VERSION}/restic_${RESTIC_VERSION}_${GOOS}_${GOARCH}.bz2 -O
bunzip2 restic_${RESTIC_VERSION}_${GOOS}_${GOARCH}.bz2
mv restic_${RESTIC_VERSION}_${GOOS}_${GOARCH} ${restic_bin}
chmod +x ${restic_bin}