flatcar-scripts/sdk_lib/sdk_util.sh
Kai Lüke 06c4894f71
SDK: Take environment variable to specify SDK location
The dev build SDKs are not in $FLATCAR_DEV_BUILDS/sdk but published under
$FLATCAR_DEV_BUILDS/developer/sdk.
Add an environment variable to specify where the SDK is to be found
but default to $FLATCAR_DEV_BUILDS/sdk if it is not specified.
From Jenkins this variable is exported as DOWNLOAD_ROOT_SDK.
2020-05-14 16:03:15 +02:00

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#!/bin/bash
# Copyright (c) 2013 The CoreOS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# common.sh must be properly sourced before this file.
[[ -n "${FLATCAR_SDK_VERSION}" ]] || exit 1
FLATCAR_SDK_ARCH="amd64" # We are unlikely to support anything else.
FLATCAR_SDK_TARBALL="flatcar-sdk-${FLATCAR_SDK_ARCH}-${FLATCAR_SDK_VERSION}.tar.bz2"
FLATCAR_SDK_TARBALL_CACHE="${REPO_CACHE_DIR}/sdks"
FLATCAR_SDK_TARBALL_PATH="${FLATCAR_SDK_TARBALL_CACHE}/${FLATCAR_SDK_TARBALL}"
FLATCAR_DEV_BUILDS_SDK="${FLATCAR_DEV_BUILDS_SDK-$FLATCAR_DEV_BUILDS/sdk}"
FLATCAR_SDK_URL="${FLATCAR_DEV_BUILDS_SDK}/${FLATCAR_SDK_ARCH}/${FLATCAR_SDK_VERSION}/${FLATCAR_SDK_TARBALL}"
# Download the current SDK tarball (if required) and verify digests/sig
sdk_download_tarball() {
if sdk_verify_digests; then
return 0
fi
info "Downloading ${FLATCAR_SDK_TARBALL}"
info "URL: ${FLATCAR_SDK_URL}"
local suffix
for suffix in "" ".DIGESTS"; do # TODO(marineam): download .asc
wget --tries=3 --timeout=30 --continue \
-O "${FLATCAR_SDK_TARBALL_PATH}${suffix}" \
"${FLATCAR_SDK_URL}${suffix}" \
|| die_notrace "SDK download failed!"
done
sdk_verify_digests || die_notrace "SDK digest verification failed!"
sdk_clean_cache
}
sdk_verify_digests() {
if [[ ! -f "${FLATCAR_SDK_TARBALL_PATH}" || \
! -f "${FLATCAR_SDK_TARBALL_PATH}.DIGESTS" ]]; then
return 1
fi
# TODO(marineam): Add gpg signature verification too.
verify_digests "${FLATCAR_SDK_TARBALL_PATH}" || return 1
}
sdk_clean_cache() {
pushd "${FLATCAR_SDK_TARBALL_CACHE}" >/dev/null
local filename
for filename in *; do
if [[ "${filename}" == "${FLATCAR_SDK_TARBALL}"* ]]; then
continue
fi
info "Cleaning up ${filename}"
# Not a big deal if this fails
rm -f "${filename}" || true
done
popd >/dev/null
}