From 4198d07804f17b99f811a1a3e8ec18ad24172f16 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 17 Jul 2016 18:14:48 +0200 Subject: Adding host system based overlay mounts. Signed-off-by: Daniel Baumann --- share/scripts/debconf | 43 ++++++++++++++++++++++++++++++++++++ share/scripts/debconf.d/0003-debconf | 7 ++++++ 2 files changed, 50 insertions(+) (limited to 'share/scripts') diff --git a/share/scripts/debconf b/share/scripts/debconf index aa1c798..4c89e6f 100755 --- a/share/scripts/debconf +++ b/share/scripts/debconf @@ -909,6 +909,7 @@ Commands () sed -i -e "s|^cnt.auto=.*|cnt.auto=${CNT_AUTO}|" "${CONFIG}/${NAME}.conf" sed -i -e "s|^cnt.network-bridge=.*|cnt.network-bridge=${HOST_INTERFACE_NAME}:${NETWORK0_BRIDGE:-br0}|g" "${CONFIG}/${NAME}.conf" + sed -i -e "s|^cnt.overlay=.*|cnt.overlay=${CNT_OVERLAY}|g" "${CONFIG}/${NAME}.conf" sed -i -e "s|^bind=.*|bind=${BIND}|" "${CONFIG}/${NAME}.conf" sed -i -e "s|^network-veth-extra=.*|network-veth-extra=${HOST_INTERFACE_NAME}:eth0|g" "${CONFIG}/${NAME}.conf" @@ -1010,12 +1011,54 @@ then done fi +# Mounting overlay mounts +if [ -n "${CNT_OVERLAY}" ] +then + CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')" + + for CNT_OVERLAY in ${CNT_OVERLAYS} + do + DIRECTORY_LOWER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $1 }')" + DIRECTORY_UPPER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $2 }')" + DIRECTORY_WORK="$(echo ${CNT_OVERLAY} | awk -F: '{ print $3 }')" + DIRECTORY_MERGED="$(echo ${CNT_OVERLAY} | awk -F: '{ print $4 }')" + + for DIRECTORY in "${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}" "${DIRECTORY_MERGED}" + done +fi + Configure_system "${MACHINES}/${NAME}" Configure_network "${MACHINES}/${NAME}" Cleanup_system "${MACHINES}/${NAME}" Commands "${MACHINES}/${NAME}" +# Unmounting overlay mounts +if [ -n "${CNT_OVERLAY}" ] +then + CNT_OVERLAYS="$(echo ${CNT_OVERLAY} | sed -e 's|;| |g')" + + for CNT_OVERLAY in ${CNT_OVERLAYS} + do + DIRECTORY_LOWER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $1 }')" + DIRECTORY_UPPER="$(echo ${CNT_OVERLAY} | awk -F: '{ print $2 }')" + DIRECTORY_WORK="$(echo ${CNT_OVERLAY} | awk -F: '{ print $3 }')" + DIRECTORY_MERGED="$(echo ${CNT_OVERLAY} | awk -F: '{ print $4 }')" + + umount -f "${DIRECTORY_MERGED}" + + for DIRECTORY in "${DIRECTORY_LOWER}" "${DIRECTORY_UPPER}" "${DIRECTORY_WORK}" "${DIRECTORY_MERGED}" + do + rmdir --ignore-fail-on-non-empty --parents ${DIRECTORY} > /dev/null 2>&1 || true + done + done +fi + # Unmounting bind mounts if [ -n "${BIND}" ] then diff --git a/share/scripts/debconf.d/0003-debconf b/share/scripts/debconf.d/0003-debconf index 15a6a15..548fb07 100755 --- a/share/scripts/debconf.d/0003-debconf +++ b/share/scripts/debconf.d/0003-debconf @@ -1063,6 +1063,13 @@ Internal_options () fi echo "BIND=\"${BIND}\"" >> "${DEBCONF_TMPDIR}/debconf.default" + + if db_get cnt-debconf/overlay + then + CNT_OVERLAY="${RET}" # string (w/ empty) + fi + + echo "CNT_OVERLAY=\"${CNT_OVERLAY}\"" >> "${DEBCONF_TMPDIR}/debconf.default" } Distribution -- cgit v1.2.3