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115 lines
3.0 KiB
115 lines
3.0 KiB
#!/bin/bash
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#!-
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. /etc/shlib
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#!-
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DOCKER_UPDATE_PATH=${DOCKER_UPDATE_PATH:-/srv/docker-builder}
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KEEP_ONLY_PO="fr en de"
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include common
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include pretty
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ansi_color no
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usage="$exname COMPONENT MASTER_IMAGE_NAME BRANCH UPDATED_IMAGE_NAME"
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COMPONENT_NAME="$1"
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MASTER_IMAGE_NAME="$2"
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BRANCH="$3"
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UPDATED_IMAGE_NAME="$4"
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## Note: we will need in the DOCKER_UPDATE_HOST:
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## - git-sub
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## should we check for aufs ?
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mkdir -p "$DOCKER_UPDATE_PATH"
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cd "$DOCKER_UPDATE_PATH"
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if ! [ -d "$COMPONENT_NAME" ]; then
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echo "ERROR: repository $DOCKER_UPDATE_PATH/$COMPONENT_NAME is not existent."
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echo "You should build it on this host prior to run this hook."
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echo "As a remainder: this host is supposed to keep the reference git that"
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echo "was used to built the master image."
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exit 1
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fi
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lock=$DOCKER_UPDATE_PATH/$COMPONENT_NAME.lock
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if [ -e "$lock" ]; then
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echo "Master is being updated."
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echo "Or '$lock' file was left dangling over."
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exit 1
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fi
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touch "$lock"
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## This path is on the docker HOST !
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AUFS_APPLY_PATH=${AUFS_APPLY_PATH:-/opt/apps/aufs_apply/bin/aufs_apply}
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md5() {
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find "$@" -type f -exec md5sum {} \; 2>/dev/null | md5sum | cut -f 1 -d " "
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}
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clean_all() {
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cd /
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mountpoint "$tmpdir_root" 2>/dev/null && umount "$tmpdir_root"
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[ -d "$tmpdir_root" ] && rmdir "$tmpdir_root"
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[ -d "$tmpdir_changes" ] && rm -rf "$tmpdir_changes"
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rm "$lock"
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}
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tmpdir="$DOCKER_UPDATE_PATH"/tmp
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mkdir -p "$tmpdir"
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tmpdir_changes=$(mktemp -d $tmpdir/$COMPONENT_NAME.changes.XXXXXX)
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tmpdir_root=$(mktemp -d $tmpdir/$COMPONENT_NAME.root.XXXXXX)
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trap "clean_all" EXIT
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mount -t aufs -o br=$tmpdir_changes:$DOCKER_UPDATE_PATH/$COMPONENT_NAME -o udba=none none "$tmpdir_root"
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cd "$tmpdir_root"
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## XXXvlab: We probably would need to:
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## - fetch only the module concerned
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## - fetch only the ref concerned
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Wrap -d "Update source code" <<EOF
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git fetch origin "$BRANCH"
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git checkout "$BRANCH"
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git reset --hard origin/$BRANCH
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#git reset --hard "origin/$BRANCH"
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git sub update
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EOF
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cd / &&
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umount "$tmpdir_root" &&
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rmdir "$tmpdir_root"
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if [ "$?" != 0 ]; then
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echo "Uh oh... could not umount aufs $tmpdir_root or delete it."
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exit 1
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fi
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cd "$tmpdir_changes"
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Wrap -d "Cleaning the change layer." <<EOF
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find . -name .git -type d -exec rm -rf {} \; -prune
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if [ "$KEEP_ONLY_PO" ]; then
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find_args=""
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for lang in $KEEP_ONLY_PO; do
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find_args="\$find_args -not -name \$lang.po"
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done
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find /opt/apps -name \*.po -type f \$find_args -delete
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fi
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EOF
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## XXXvlab: if we produced it we shouldn't have to pull it
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#
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#echo "Pulling $MASTER_IMAGE_NAME"
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#docker pull "$MASTER_IMAGE_NAME" || exit 1
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docker tag "$MASTER_IMAGE_NAME" "$UPDATED_IMAGE_NAME"
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Elt "Updating $MASTER_IMAGE_NAME"
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print_info $(cat <<EOF | docker-update "$UPDATED_IMAGE_NAME" -v "$tmpdir_changes:/mnt/changes" -v "$AUFS_APPLY_PATH:/usr/bin/aufs_apply"
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## Applying changes: $(cd "$tmpdir_changes" ; md5 ".")
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/usr/bin/aufs_apply /opt/apps/0k-oe /mnt/changes
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EOF
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)
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Feedback || exit 1
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Wrap -d "Push new $YELLOW$UPDATED_IMAGE_NAME$NORMAL to registry" docker push "$UPDATED_IMAGE_NAME"
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