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lxc-net: Use iproute and relative paths everywhere (V2)

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V2 changes:
 - Keep using /var/lib for the lease file, but making it respect localstatedir
 - Don't pass an empty --conf-file as that confuses dnsmasq when
   /etc/dnsmasq.conf doesn't exist or isn't readable.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Stéphane Graber
2015-06-18 15:55:45 -04:00
parent 57354986d6
commit dfb5edcac0
1 changed files with 9 additions and 3 deletions
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12
config/init/common/lxc-net.in
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@@ -2,6 +2,7 @@
distrosysconfdir="@LXC_DISTRO_SYSCONF@"
varrun="@RUNTIME_PATH@/lxc"
varlib="@LOCALSTATEDIR@/lib"
# These can be overridden in @LXC_DISTRO_SYSCONF@/lxc
# or in @LXC_DISTRO_SYSCONF@/lxc-net
@@ -70,7 +71,7 @@ start() {
set -e
# set up the lxc network
[ ! -d /sys/class/net/${LXC_BRIDGE} ] && brctl addbr ${LXC_BRIDGE}
[ ! -d /sys/class/net/${LXC_BRIDGE} ] && ip link add dev ${LXC_BRIDGE} type bridge
echo 1 > /proc/sys/net/ipv4/ip_forward
echo 0 > /proc/sys/net/ipv6/conf/${LXC_BRIDGE}/accept_dad || true
@@ -110,6 +111,11 @@ start() {
LXC_DOMAIN_ARG="-s $LXC_DOMAIN -S /$LXC_DOMAIN/"
fi
LXD_DHCP_CONFILE_ARG=""
if [ -n "$LXC_DHCP_CONFILE" ]; then
LXC_DHCP_CONFILE_ARG="--conf-file=${LXC_DHCP_CONFILE}"
fi
# https://lists.linuxcontainers.org/pipermail/lxc-devel/2014-October/010561.html
for DNSMASQ_USER in lxc-dnsmasq dnsmasq nobody
do
@@ -118,7 +124,7 @@ start() {
fi
done
dnsmasq $LXC_DOMAIN_ARG -u ${DNSMASQ_USER} --strict-order --bind-interfaces --pid-file="${varrun}"/dnsmasq.pid --conf-file=${LXC_DHCP_CONFILE} --listen-address ${LXC_ADDR} --dhcp-range ${LXC_DHCP_RANGE} --dhcp-lease-max=${LXC_DHCP_MAX} --dhcp-no-override --except-interface=lo --interface=${LXC_BRIDGE} --dhcp-leasefile=/var/lib/misc/dnsmasq.${LXC_BRIDGE}.leases --dhcp-authoritative $LXC_IPV6_ARG || cleanup
dnsmasq $LXC_DHCP_CONFILE_ARG $LXC_DOMAIN_ARG -u ${DNSMASQ_USER} --strict-order --bind-interfaces --pid-file="${varrun}"/dnsmasq.pid --listen-address ${LXC_ADDR} --dhcp-range ${LXC_DHCP_RANGE} --dhcp-lease-max=${LXC_DHCP_MAX} --dhcp-no-override --except-interface=lo --interface=${LXC_BRIDGE} --dhcp-leasefile="${varlib}"/misc/dnsmasq.${LXC_BRIDGE}.leases --dhcp-authoritative $LXC_IPV6_ARG || cleanup
touch "${varrun}"/network_up
FAILED=0
@@ -147,7 +153,7 @@ stop() {
pid=`cat "${varrun}"/dnsmasq.pid 2>/dev/null` && kill -9 $pid
rm -f "${varrun}"/dnsmasq.pid
# if $LXC_BRIDGE has attached interfaces, don't destroy the bridge
ls /sys/class/net/${LXC_BRIDGE}/brif/* > /dev/null 2>&1 || brctl delbr ${LXC_BRIDGE}
ls /sys/class/net/${LXC_BRIDGE}/brif/* > /dev/null 2>&1 || ip link delete ${LXC_BRIDGE}
fi
rm -f "${varrun}"/network_up