add proxy support for 'docker restart'

test/640_proxy_restart_reattaches_test.sh

@@ -0,0 +1,20 @@
+#! /bin/bash
+
+. ./config.sh
+
+C1=10.2.0.78
+C2=10.2.0.34
+NAME=seetwo.weave.local
+
+start_suite "Proxy restart reattaches networking to containers"
+
+weave_on $HOST1 launch-dns 10.2.254.1/24
+weave_on $HOST1 launch-proxy --with-dns
+docker_proxy_on $HOST1 run -e WEAVE_CIDR=$C2/24 -dt --name=c2 -h $NAME gliderlabs/alpine /bin/sh
+docker_proxy_on $HOST1 run -e WEAVE_CIDR=$C1/24 -dt --name=c1 aanand/docker-dnsutils /bin/sh
+
+docker_proxy_on $HOST1 restart c2
+assert_raises "exec_on $HOST1 c2 ip link show ethwe | grep 'state UP'"
+assert_dns_record $HOST1 c1 $NAME $C2
+
+end_suite