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Additional logic for dealing with container shutdown / reboot

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Additional logic for dealing with container shutdown / reboot

Fix a problem with CentOS containers and legacy Fedora (<16) containers
not shutting down or rebooting properly.  Copy /etc/init.d/halt to
/etc/init.d/lxc-halt, deleting everything from the "hwclock save" and
all after and append a force halt or reboot at the end of the new
script, to prevent reexecing init.  Link that script in as
S00lxc-halt in rc0.d and S00lxc-reboot in rc6.d to intercept the
shutdown process before it gets to S01halt / S01reboot causing the hang.

Fixed some typos in the CentOS template that were introduced in the
previous patch for hwaddr settings and missed in regression testing.

Cleaned up some instruction typos and tabs from previous patch.

Signed-off-by: Michael H. Warfield <mhw@WittsEnd.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Michael H. Warfield 2013-12-28 12:35:05 -05:00 committed by Serge Hallyn
parent 0b98289ef9
commit 99c2fb07d7
2 changed files with 60 additions and 1 deletions
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30
templates/lxc-centos.in
View File

@ -177,7 +177,35 @@ configure_centos()
)
fi
# configure the network using the dhcp
# Deal with some dain bramage in the /etc/init.d/halt script.
# Trim it and make it our own and link it in before the default
# halt script so we can intercept it. This also preventions package
# updates from interferring with our interferring with it.
#
# There's generally not much in the halt script that useful but what's
# in there from resetting the hardware clock down is generally very bad.
# So we just eliminate the whole bottom half of that script in making
# ourselves a copy. That way a major update to the init scripts won't
# trash what we've set up.
if [ -f ${rootfs_path}/etc/init.d/halt ]
then
sed -e '/hwclock/,$d' \
< ${rootfs_path}/etc/init.d/halt \
> ${rootfs_path}/etc/init.d/lxc-halt
echo '$command -f' >> ${rootfs_path}/etc/init.d/lxc-halt
chmod 755 ${rootfs_path}/etc/init.d/lxc-halt
# Link them into the rc directories...
(
cd ${rootfs_path}/etc/rc.d/rc0.d
ln -s ../init.d/lxc-halt S00lxc-halt
cd ${rootfs_path}/etc/rc.d/rc6.d
ln -s ../init.d/lxc-halt S00lxc-reboot
)
fi
# configure the network using the dhcp
cat <<EOF > ${rootfs_path}/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=dhcp

31
templates/lxc-fedora.in
View File

@ -143,6 +143,37 @@ configure_fedora()
)
fi
# Deal with some dain bramage in the /etc/init.d/halt script.
# Trim it and make it our own and link it in before the default
# halt script so we can intercept it. This also preventions package
# updates from interferring with our interferring with it.
#
# There's generally not much in the halt script that useful but what's
# in there from resetting the hardware clock down is generally very bad.
# So we just eliminate the whole bottom half of that script in making
# ourselves a copy. That way a major update to the init scripts won't
# trash what we've set up.
#
# This is mostly for legacy distros since any modern systemd Fedora
# release will not have this script so we won't try to intercept it.
if [ -f ${rootfs_path}/etc/init.d/halt ]
then
sed -e '/hwclock/,$d' \
< ${rootfs_path}/etc/init.d/halt \
> ${rootfs_path}/etc/init.d/lxc-halt
echo '$command -f' >> ${rootfs_path}/etc/init.d/lxc-halt
chmod 755 ${rootfs_path}/etc/init.d/lxc-halt
# Link them into the rc directories...
(
cd ${rootfs_path}/etc/rc.d/rc0.d
ln -s ../init.d/lxc-halt S00lxc-halt
cd ${rootfs_path}/etc/rc.d/rc6.d
ln -s ../init.d/lxc-halt S00lxc-reboot
)
fi
# configure the network using the dhcp
cat <<EOF > ${rootfs_path}/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0