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Fix lxc-ubuntu and lxc-ubuntu-cloud to properly deal with /dev/shm.

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Now that initscripts in Debian and Ubuntu has been updated to no longer
do silly things with /dev/shm and /run/shm on installation/update, the
check needs updating to detect any remaining broken case and fix it.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
This commit is contained in:
Stéphane Graber 2012-08-28 13:42:27 -04:00
parent b4df0a1eda
commit 542939c31b
2 changed files with 5 additions and 7 deletions
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7
templates/lxc-ubuntu-cloud.in
View File

@ -92,13 +92,12 @@ proc proc proc nodev,noexec,nosuid 0 0
sysfs sys sysfs defaults 0 0 sysfs sys sysfs defaults 0 0
EOF EOF
# rmdir /dev/shm in precise and quantal containers. # rmdir /dev/shm for containers that have /run/shm
# I'm afraid of doing rm -rf $rootfs/dev/shm, in case it did # I'm afraid of doing rm -rf $rootfs/dev/shm, in case it did
# get bind mounted to the host's /run/shm. So try to rmdir # get bind mounted to the host's /run/shm. So try to rmdir
# it, and in case that fails move it out of the way. # it, and in case that fails move it out of the way.
if [ $release = "precise" ] || [ $release = "quantal" ]; then if [ ! -L $rootfs/dev/shm ] && [ -d $rootfs/run/shm ] && [ -e $rootfs/dev/shm ]; then
[ -d "$rootfs/dev/shm" ] && rmdir $rootfs/dev/shm mv $rootfs/dev/shm $rootfs/dev/shm.bak
[ -e "$rootfs/dev/shm" ] && mv $rootfs/dev/shm $rootfs/dev/shm.bak
ln -s /run/shm $rootfs/dev/shm ln -s /run/shm $rootfs/dev/shm
fi fi

5
templates/lxc-ubuntu.in
View File

@ -511,9 +511,8 @@ post_process()
# I'm afraid of doing rm -rf $rootfs/dev/shm, in case it did # I'm afraid of doing rm -rf $rootfs/dev/shm, in case it did
# get bind mounted to the host's /run/shm. So try to rmdir # get bind mounted to the host's /run/shm. So try to rmdir
# it, and in case that fails move it out of the way. # it, and in case that fails move it out of the way.
if [ -d $rootfs/run/shm ]; then if [ ! -L $rootfs/dev/shm ] && [ -d $rootfs/run/shm ] && [ -e $rootfs/dev/shm ]; then
[ -d "$rootfs/dev/shm" ] && rmdir $rootfs/dev/shm mv $rootfs/dev/shm $rootfs/dev/shm.bak
[ -e "$rootfs/dev/shm" ] && mv $rootfs/dev/shm $rootfs/dev/shm.bak
ln -s /run/shm $rootfs/dev/shm ln -s /run/shm $rootfs/dev/shm
fi fi
} }