16be6d7ce0
As with the previous similar changes, this is intended to catch problems as they happen instead of ignoring them and continuing on to potentially fail later. Setting this on all existing scripts will allow us to enforce use via Jenkins. Change-Id: Iad2d490c86dceab148ea9ab08f457c49a5d5352e
183 lines
7.9 KiB
Bash
Executable file
183 lines
7.9 KiB
Bash
Executable file
#!/bin/bash
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set -eu
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set -o pipefail
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# If the old cache exists, move it to the new name
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function make_new_cache(){
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local OLD_CACHE_BASE=$1
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local CACHE_BASE=$2
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# If the old cache name exists, move it to the new cache name
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if [ -e "$OLD_CACHE_BASE" ] ; then
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if [ ! -e "$CACHE_BASE" ] ; then
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mv -n $OLD_CACHE_BASE $CACHE_BASE
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else
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echo "Not replacing new cache location with old cache"
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fi
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fi
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}
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# Gets repositories or individual files listed in the a repository file
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# and places them in the specified destination path.
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# The format of the repository file is one or more lines matching
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# <name> <type> <destination> <location> [<ref>]
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function get_repos_for_element(){
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local REPO_SOURCES=$1
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local CACHE_URL=$TMP_HOOKS_PATH/bin/cache-url
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local REGEX="^([^ ]+) (git|tar|file|package) ?(/[^ ]+)? ?([^ ]+)? ?([^ ]*)$"
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while read line; do
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# expand variables
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line=$(eval echo $line)
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# ignore blank lines and lines beginning in '#'
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[[ "$line" == \#* ]] || [[ -z "$line" ]] && continue
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if [[ "$line" =~ $REGEX ]] ; then
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local REPONAME=${BASH_REMATCH[1]}
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local REPOTYPE=${BASH_REMATCH[2]}
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local REPOPATH=${BASH_REMATCH[3]}
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local REPOLOCATION=${BASH_REMATCH[4]}
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local REPO_ORIG_LOCATION=$REPOLOCATION
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local REPOREF=${BASH_REMATCH[5]:-master}
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local REPO_DEST=$TMP_MOUNT_PATH$REPOPATH
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local REPO_SUB_DIRECTORY=$(dirname $REPO_DEST)
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# REPOTYPE can be overridden with DIB_REPOTYPE_{name}
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local REPOTYPE_OVERRIDE=DIB_REPOTYPE_${REPONAME//[^A-Za-z0-9]/_}
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REPOTYPE=${!REPOTYPE_OVERRIDE:-$REPOTYPE}
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# REPOLOCATION can be overridden with DIB_REPOLOCATION_{name}
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local REPOLOCATION_OVERRIDE=DIB_REPOLOCATION_${REPONAME//[^A-Za-z0-9]/_}
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REPOLOCATION=${!REPOLOCATION_OVERRIDE:-$REPOLOCATION}
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# REPOREF can be overridden with DIB_REPOREF_{name}
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local REPOREF_OVERRIDE=DIB_REPOREF_${REPONAME//[^A-Za-z0-9]/_}
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REPOREF=${!REPOREF_OVERRIDE:-$REPOREF}
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# Determine a unique cache path for this repo
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CACHE_NAME=$(echo "${REPOTYPE}_${REPOLOCATION}" | sha1sum | awk '{ print $1 }' )
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OLD_CACHE_PATH=${CACHE_BASE}/${CACHE_NAME}
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# Add the repo name to the sha1sum for readability
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CACHE_NAME=${REPONAME//[^A-Za-z0-9]/_}_${CACHE_NAME}
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CACHE_PATH=${CACHE_BASE}/$CACHE_NAME
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make_new_cache $OLD_CACHE_PATH $CACHE_PATH
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# Return if install type is not source
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local INSTALL_TYPE_VAR=DIB_INSTALLTYPE_${REPONAME//[^A-Za-z0-9]/_}
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local INSTALL_TYPE=${!INSTALL_TYPE_VAR:-source}
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if [ ! $INSTALL_TYPE = "source" ]; then
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echo "$REPONAME install type not set to source"
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continue
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fi
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case $REPOTYPE in
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git)
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if [ -z "${!REPOLOCATION_OVERRIDE:-""}" -a -n "${DIB_GITREPOBASE:-""}" ] ; then
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# Transform the current repo base to the new one
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local NEW_REPOLOCATION=$(echo $REPOLOCATION |\
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sed "s,^[^:]\+://[^/]\+/\(~[^/]\+\)\?\(.*\)$,${DIB_GITREPOBASE}\2,g")
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echo "Transformed ${REPOLOCATION} to ${NEW_REPOLOCATION}"
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REPOLOCATION=$NEW_REPOLOCATION
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# Also update the cache location
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CACHE_NAME=$(echo "${REPOTYPE}_${REPOLOCATION}" | sha1sum | awk '{ print $1 }' )
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CACHE_PATH=~/.cache/image-create/repository-sources/$CACHE_NAME
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fi
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sudo mkdir -p $REPO_SUB_DIRECTORY
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if [ ! -e "$CACHE_PATH" ] ; then
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echo "Caching $REPONAME from $REPOLOCATION in $CACHE_PATH"
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git clone $REPOLOCATION $CACHE_PATH.tmp
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mv ${CACHE_PATH}{.tmp,}
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fi
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HAS_REF=$(git --git-dir=$CACHE_PATH/.git name-rev $REPOREF 2>/dev/null || true)
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if [ -z "$DIB_OFFLINE" -o -z "$HAS_REF" ] ; then
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echo "Updating cache of $REPOLOCATION in $CACHE_PATH with ref $REPOREF"
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git --git-dir=$CACHE_PATH/.git fetch --update-head-ok $REPOLOCATION +refs/heads/*:refs/heads/*
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fi
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echo "Cloning from $REPONAME cache and applying ref $REPOREF"
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sudo git clone $CACHE_PATH $REPO_DEST
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pushd $REPO_DEST
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sudo git fetch $CACHE_PATH $REPOREF
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sudo git reset --hard FETCH_HEAD
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# Get the reference in use
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git_ref=$(git rev-parse FETCH_HEAD)
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popd
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# Write the reference being used into the source-repositories manifest
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echo "$REPONAME git $REPOPATH $REPOLOCATION $git_ref" >> $GIT_MANIFEST
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;;
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tar)
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# The top level directory of the tarball mightn't have a fixed name i.e.
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# it could contain version numbers etc... so we write it to a tmpdir
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# the then move the contents into the directory we want it in, this does
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# assume the tarball only contains a single top level directory
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local tmpdir=$(mktemp --tmpdir=$TMP_MOUNT_PATH/tmp -d)
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if [ -n "$CACHE_PATH" ] ; then
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echo "Caching $REPONAME tarball from $REPOLOCATION in $CACHE_PATH"
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if [ ! -f "$CACHE_PATH" -o -z "$DIB_OFFLINE" ] ; then
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$CACHE_URL $REPOLOCATION $CACHE_PATH
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fi
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tar -C $tmpdir -xzf $CACHE_PATH
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else
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echo "Fetching $REPONAME tarball from $REPOLOCATION"
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curl $REPOLOCATION | tar -C $tmpdir -xzf -
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fi
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sudo mkdir -p $REPO_DEST
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sudo mv $tmpdir/*/* $REPO_DEST
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rm -rf $tmpdir
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;;
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file)
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sudo mkdir -p $REPO_SUB_DIRECTORY
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if [ -n "$CACHE_PATH" ] ; then
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echo "Caching $REPONAME file from $REPOLOCATION in $CACHE_PATH"
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if [ ! -f "$CACHE_PATH" -o -z "$DIB_OFFLINE" ] ; then
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$CACHE_URL $REPOLOCATION $CACHE_PATH
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fi
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sudo cp $CACHE_PATH $REPO_DEST
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else
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echo "Fetching $REPONAME file from $REPOLOCATION"
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sudo curl $REPOLOCATION -o $REPO_DEST
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fi
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;;
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*)
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echo "Unsupported repository type: $REPOTYPE"
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return 1
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;;
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esac
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# Capture the in-instance repository path for later review / other
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# elements (like a pypi dependency cache).
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echo "$REPOPATH" | sudo dd of=$TMP_MOUNT_PATH/etc/dib-source-repositories oflag=append conv=notrunc
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else
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echo "Couldn't parse '$line' as a source repository"
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return 1
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fi
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done < $REPO_SOURCES
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}
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CACHE_BASE=~/.cache/image-create/source-repositories
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OLD_CACHE_BASE=~/.cache/image-create/repository-sources
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make_new_cache $OLD_CACHE_BASE $CACHE_BASE
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mkdir -p $CACHE_BASE
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# Use the IMAGE_NAME from the calling script, and make it unique with the temporary path
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GIT_MANIFEST_NAME=dib-manifest-git-$(basename ${IMAGE_NAME})
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GIT_MANIFEST_CACHE_NAME=${GIT_MANIFEST_NAME}_$(dirname ${TMP_MOUNT_PATH##*.})
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GIT_MANIFEST=$CACHE_BASE/${GIT_MANIFEST_CACHE_NAME}
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rm -f $GIT_MANIFEST
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# Get source repositories for the target
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for _SOURCEREPO in $(find $TMP_HOOKS_PATH -maxdepth 1 -name "source-repository-*" -not -name '*~'); do
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get_repos_for_element $_SOURCEREPO
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done
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# Copy the manifest into the image if it exists (there may be no git repositories used)
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if [ -e "$GIT_MANIFEST" ] ; then
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sudo cp $GIT_MANIFEST $TMP_MOUNT_PATH/${DIB_MANIFEST_IMAGE_DIR}/$GIT_MANIFEST_NAME
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fi
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