openstack/openstack-ansible-lxc_hosts
Code Issues Proposed changes

Fix lxc-system-manage ipv6 setup

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When the lxc-dnsmasq service is restarted while ipv6 is active,
it will always fail to restart because the ip -6 addr add command
fails due to the address already existing on the interface.

ex.
Apr 01 22:39:48 lsn-mc1009 systemd[1]: Starting lxc dnsmasq service...
Apr 01 22:39:48 lsn-mc1009 lxc-system-manage[19134]: Creating LXC IPtables rules.
Apr 01 22:39:48 lsn-mc1009 lxc-system-manage[19134]: RTNETLINK answers: File exists
Apr 01 22:39:48 lsn-mc1009 systemd[1]: lxc-dnsmasq.service: Control process exited, code=exited status=2
Apr 01 22:39:48 lsn-mc1009 systemd[1]: Failed to start lxc dnsmasq service.
Apr 01 22:39:48 lsn-mc1009 systemd[1]: lxc-dnsmasq.service: Unit entered failed state.
Apr 01 22:39:48 lsn-mc1009 systemd[1]: lxc-dnsmasq.service: Failed with result 'exit-code'.
Apr 01 22:39:50 lsn-mc1009 systemd[1]: lxc-dnsmasq.service: Service hold-off time over, scheduling restart.

Change-Id: Ia3ebaf2125a00c4031f50bf03b60dd5659f9d660
This commit is contained in:
Logan V 2018-04-01 22:41:24 -05:00
parent 0b4558baeb
commit 1871fbec7b
1 changed files with 1 additions and 1 deletions
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2
templates/lxc-system-manage.j2
View File

@ -95,7 +95,7 @@ function add_rules {
if [ -n "$LXC_IPV6_ADDR" ] && [ -n "$LXC_IPV6_MASK" ] && [ -n "$LXC_IPV6_NETWORK" ]; then
echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
echo 0 > /proc/sys/net/ipv6/conf/${LXC_BRIDGE}/autoconf
ip -6 addr add dev ${LXC_BRIDGE} ${LXC_IPV6_ADDR}/${LXC_IPV6_MASK}
ip -6 addr add dev ${LXC_BRIDGE} ${LXC_IPV6_ADDR}/${LXC_IPV6_MASK} || true
if [ "$LXC_IPV6_NAT" = "true" ]; then
ip6tables $USE_IPTABLES_LOCK -t nat -A POSTROUTING -s ${LXC_IPV6_NETWORK} ! -d ${LXC_IPV6_NETWORK} -j MASQUERADE
fi