c7c4ec19a3
We try to expose metadata to users about what dib included in the image and source-repositories was not doing that, so this fixes it. It also permits easy introspection from other elements (such as an upcoming PyPI cache layer). Change-Id: I1e48e65f69ebe1f4556cc3bf35ccf195e99bcc76
107 lines
4.4 KiB
Bash
Executable File
107 lines
4.4 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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# Gets Repositories listed in the a repository file and places them in
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# the repository directory.
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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=$1
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local REGEX="^([^ ]+) (git|tar) (/[^ ]+) ([^ ]+) ?([^ ]*)$"
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while read line ; do
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# ignore blank lines and lines begining 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=${BASH_REMATCH[5]:-master}
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local REPO_DIRECTORY=$TMP_MOUNT_PATH$REPOPATH
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local REPO_SUB_DIRECTORY=$(dirname $REPO_DIRECTORY)
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# REPOTYPE can be overridden with DIB_REPOTYPE_{name}
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local REPOTYPE_OVERRIDE=DIB_REPOTYPE_${REPONAME//-/_}
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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_${REPONAME//-/_}
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REPOLOCATION=${!REPOLOCATION_OVERRIDE:-$REPOLOCATION}
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if [ "$REPOLOCATION" = "$REPO_ORIG_LOCATION" ] ; then
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# We're pulling from the element specified repo, do caching for
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# the user.
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CACHE_NAME=$(echo $REPOLOCATION | sha1sum | awk '{ print $1 }' )
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CACHE_PATH=~/.cache/image-create/repository-sources/$CACHE_NAME
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else
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CACHE_PATH=''
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fi
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# REPOREF can be overridden with DIB_REPOREF_{name}
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local REPOREF_OVERRIDE=DIB_REPOREF_${REPONAME//-/_}
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REPOREF=${!REPOREF_OVERRIDE:-$REPOREF}
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case $REPOTYPE in
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git)
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sudo mkdir -p $REPO_SUB_DIRECTORY
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if [ -n "$CACHE_PATH" ] ; then
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if [ ! -e "$CACHE_PATH" ] ; then
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git clone $REPOLOCATION $CACHE_PATH.tmp
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mv ${CACHE_PATH}{.tmp,}
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elif [ -z "$DIB_OFFLINE" ] ; then
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git --git-dir=$CACHE_PATH/.git fetch
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git --git-dir=$CACHE_PATH/.git --work-tree=$CACHE_PATH reset --hard origin/master
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fi
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sudo git clone $CACHE_PATH $REPO_DIRECTORY
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else
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sudo git clone $REPOLOCATION $REPO_DIRECTORY
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fi
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pushd $REPO_DIRECTORY
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sudo git reset --hard $REPOREF
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popd
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;;
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tar)
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# The top level directory of the tarball mightn't have a fixed name i.e.
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# it could contain version numbers etc... so we write it to a tmpdir
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# the then move the contents into the directory we want it in, this does
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# assume the tarball only contains a single top level directory
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local tmpdir=$(mktemp --tmpdir=$TMP_MOUNT_PATH/tmp -d)
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if [ -n "$CACHE_PATH" ] ; then
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if [ ! -f "$CACHE_PATH" -o -z "$DIB_OFFLINE" ] ; then
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$TMP_MOUNT_PATH/usr/local/bin/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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curl $REPOLOCATION | tar -C $tmpdir -xzf -
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fi
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sudo mkdir -p $REPO_DIRECTORY
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sudo mv $tmpdir/*/* $REPO_DIRECTORY
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rm -rf $tmpdir
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;;
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*)
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echo "Unsupported repository type"
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return 1
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;;
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esac
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# Capture the in-instance repository path for later review / other
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# elements (like a pypi dependency cache).
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echo "$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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mkdir -p ~/.cache/image-create/repository-sources/
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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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