From 64d33d4cef3b79122cbe4b62b80817f679b656df Mon Sep 17 00:00:00 2001 From: Katharina Drexel Date: Tue, 6 Oct 2020 16:45:04 +0200 Subject: Adding overlay options to debconf script. Signed-off-by: Katharina Drexel Signed-off-by: Daniel Baumann --- share/scripts/debconf | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'share/scripts/debconf') diff --git a/share/scripts/debconf b/share/scripts/debconf index 6d21951..be0fae0 100755 --- a/share/scripts/debconf +++ b/share/scripts/debconf @@ -167,6 +167,7 @@ Mount () then CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')" + COUNT="0" for CNT_OVERLAY in ${CNT_OVERLAYS} do DIRECTORY_LOWER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $1 }')" @@ -174,12 +175,23 @@ Mount () DIRECTORY_WORK="$(echo ${CNT_OVERLAY} | awk -F: '{ print $3 }')" DIRECTORY_MERGED="$(echo ${CNT_OVERLAY} | awk -F: '{ print $4 }')" + COUNT="$((${COUNT} + 1))" + CNT_OVERLAY_OPTION="$(echo ${CNT_OVERLAY_OPTIONS} | awk -F ';' "{ print \$${COUNT} }")" + for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}" do mkdir -p "${DIRECTORY}" done - mount -t overlay overlay-${NAME} -olowerdir="${DIRECTORY_LOWER}",upperdir="${DIRECTORY_UPPER}",workdir="${DIRECTORY_WORK}" "${DIRECTORY_MERGED}" + if ! findmnt -n -o SOURCE "${DIRECTORY_MERGED}" | grep -qs '^overlay-' + then + if [ -n "${CNT_OVERLAY_OPTION}" ] + then + CNT_OVERLAY_OPTION="-o ${CNT_OVERLAY_OPTION}" + fi + + mount -t overlay overlay-${NAME} ${CNT_OVERLAY_OPTION} -olowerdir="${DIRECTORY_LOWER}",upperdir="${DIRECTORY_UPPER}",workdir="${DIRECTORY_WORK}" "${DIRECTORY_MERGED}" + fi done fi } @@ -205,6 +217,12 @@ Umount () rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true done done + + # empty workdir otherwise there might happen stale file handles + if [ -d "${DIRECTORY_WORK}" ] + then + rm --preserve-root --one-file-system -rf "${DIRECTORY_WORK}"/* + fi fi # Unmounting ro bind mounts @@ -1018,6 +1036,7 @@ Commands () -e "s|^cnt.container-server=.*|cnt.container-server=${CNT_CONTAINER_SERVER}|g" \ -e "s|^cnt.network-bridge=.*|cnt.network-bridge=${HOST_INTERFACE_NAME}:${NETWORK1_BRIDGE:-bridge0}|g" \ -e "s|^cnt.overlay=.*|cnt.overlay=${CNT_OVERLAY}|g" \ + -e "s|^cnt.overlay-options=.*|cnt.overlay-options=${CNT_OVERLAY_OPTIONS}|g" \ -e "s|^bind=.*|bind=${BIND}|g" \ -e "s|^bind-ro=.*|bind-ro=${BIND_RO}|g" \ -e "s|^network-veth-extra=.*|network-veth-extra=${HOST_INTERFACE_NAME}:eno1|g" \ -- cgit v1.2.3