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authorDaniel Baumann <daniel.baumann@open-infrastructure.net>2016-07-17 16:14:48 +0000
committerDaniel Baumann <daniel.baumann@open-infrastructure.net>2016-08-04 13:35:54 +0000
commit4198d07804f17b99f811a1a3e8ec18ad24172f16 (patch)
treef3741d448459b895dab66b5bef1e6b5682e7fe14 /lib/container/start
parentChanging container-status command to always show full output. (diff)
downloadcompute-tools-4198d07804f17b99f811a1a3e8ec18ad24172f16.tar.xz
compute-tools-4198d07804f17b99f811a1a3e8ec18ad24172f16.zip
Adding host system based overlay mounts.
Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>
Diffstat (limited to '')
-rwxr-xr-xlib/container/start25
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/container/start b/lib/container/start
index a4dc033..d5bbbf4 100755
--- a/lib/container/start
+++ b/lib/container/start
@@ -139,6 +139,31 @@ esac
# config
if [ -e "${CONFIG}/${NAME}.conf" ]
then
+ CNT_OVERLAY="$(awk -F= '/^cnt.overlay=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+
+ 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
+
+ if ! findmnt -n -o SOURCE "${DIRECTORY_MERGED}" | grep -qs '^cnt.overlay-'
+ then
+ mount cnt.overlay-${NAME} -t overlay -olowerdir="${DIRECTORY_LOWER}",upperdir="${DIRECTORY_UPPER}",workdir="${DIRECTORY_WORK}",default_permissions "${DIRECTORY_MERGED}"
+ fi
+ done
+ fi
+
BIND="$(awk -F= '/^bind=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
if [ -n "${BIND}" ]