mirror of
https://github.com/flatcar/scripts.git
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e7f02d2fec
Use FLATCAR_DEV_BUILDS only for setting up binpkg URLs, ceding the SDK tarball URL role to the new FLATCAR_SDK_SERVERS variable. That way we can still set up binpkg URLs the way we used to do so far and set up SDK tarball URLs differently. For two-phase SDK build, we would like to use intermediate SDK as a seed. This SDK is only available on bincache, but previously only nightly builds could use bincache as the source of SDK tarballs. Now, with the URL split, we can set up the builds to use both bincache and the release server, where release builds will prioritize release server over bincache, and developer builds - bincache over release server.
97 lines
3.0 KiB
Bash
97 lines
3.0 KiB
Bash
#!/bin/bash
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# Copyright (c) 2013 The CoreOS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# common.sh must be properly sourced before this file.
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[[ -n "${FLATCAR_SDK_VERSION}" ]] || exit 1
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FLATCAR_SDK_ARCH="amd64" # We are unlikely to support anything else.
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FLATCAR_SDK_TARBALL="flatcar-sdk-${FLATCAR_SDK_ARCH}-${FLATCAR_SDK_VERSION}.tar.bz2"
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FLATCAR_SDK_TARBALL_CACHE="${REPO_CACHE_DIR}/sdks"
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FLATCAR_SDK_TARBALL_PATH="${FLATCAR_SDK_TARBALL_CACHE}/${FLATCAR_SDK_TARBALL}"
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FLATCAR_DEV_BUILDS_SDK="${FLATCAR_DEV_BUILDS_SDK-$FLATCAR_DEV_BUILDS/sdk}"
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FLATCAR_SDK_URL="${FLATCAR_DEV_BUILDS_SDK}/${FLATCAR_SDK_ARCH}/${FLATCAR_SDK_VERSION}/${FLATCAR_SDK_TARBALL}"
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# Download the current SDK tarball (if required) and verify digests/sig
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sdk_download_tarball() {
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if sdk_verify_digests; then
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return 0
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fi
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info "Downloading ${FLATCAR_SDK_TARBALL}"
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local server url suffix
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local -a suffixes
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suffixes=('' '.DIGESTS') # TODO(marineam): download .asc
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for server in "${FLATCAR_SDK_SERVERS[@]}"; do
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url="${server}/sdk/${FLATCAR_SDK_ARCH}/${FLATCAR_SDK_VERSION}/${FLATCAR_SDK_TARBALL}"
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info "URL: ${url}"
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for suffix in "${suffixes[@]}"; do
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# If all downloads fail, we will detect it later.
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if ! wget --tries=3 --timeout=30 --continue \
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-O "${FLATCAR_SDK_TARBALL_PATH}${suffix}" \
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"${url}${suffix}"; then
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break
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fi
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done
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if _sdk_check_downloads "${FLATCAR_SDK_TARBALL_PATH}" "${suffixes[@]}"; then
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if sdk_verify_digests; then
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sdk_clean_cache
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return 0
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fi
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info "SDK digest verification failed, cleaning up and will try another server"
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else
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info "Downloading SDK from ${url} failed, cleaning up and will try another server"
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fi
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_sdk_remove_downloads "${FLATCAR_SDK_TARBALL_PATH}" "${suffixes[@]}"
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done
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die_notrace "SDK download failed!"
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}
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_sdk_remove_downloads() {
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local path="${1}"; shift
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# rest of the params are suffixes
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rm -f "${@/#/${path}}"
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}
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_sdk_check_downloads() {
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local path="${1}"; shift
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# rest of the params are suffixes
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local suffix
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for suffix; do
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if [[ ! -s "${path}${suffix}" ]]; then
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return 1
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fi
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done
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return 0
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}
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sdk_verify_digests() {
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if [[ ! -f "${FLATCAR_SDK_TARBALL_PATH}" || \
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! -f "${FLATCAR_SDK_TARBALL_PATH}.DIGESTS" ]]; then
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return 1
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fi
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# TODO(marineam): Add gpg signature verification too.
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verify_digests "${FLATCAR_SDK_TARBALL_PATH}" || return 1
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}
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sdk_clean_cache() {
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pushd "${FLATCAR_SDK_TARBALL_CACHE}" >/dev/null
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local filename
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for filename in *; do
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if [[ "${filename}" == "${FLATCAR_SDK_TARBALL}"* ]]; then
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continue
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fi
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info "Cleaning up ${filename}"
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# Not a big deal if this fails
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rm -f "${filename}" || true
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done
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popd >/dev/null
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}
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