Let weaver create the bridge in weave-kube

prog/weave-kube/launch.sh

@@ -54,9 +54,6 @@ if [ "${EXPECT_NPC}" = "0" ]; then
     WEAVE_NPC_OPTS=""
 fi
 
-export HOST_ROOT=/host
-/home/weave/weave --local create-bridge --force $WEAVE_NPC_OPTS
-
 # Kubernetes sets HOSTNAME to the host's hostname
 # when running a pod in host namespace.
 NICKNAME_ARG=""
@@ -65,16 +62,6 @@ if [ -n "$HOSTNAME" ] ; then
 fi
 
 BRIDGE_OPTIONS="--datapath=datapath"
-if [ "$(/home/weave/weave --local bridge-type)" = "bridge" ] ; then
-    # TODO: Call into weave script to do this
-    if ! ip link show vethwe-pcap >/dev/null 2>&1 ; then
-        ip link add name vethwe-bridge type veth peer name vethwe-pcap
-        ip link set vethwe-bridge up
-        ip link set vethwe-pcap up
-        ip link set vethwe-bridge master weave
-    fi
-    BRIDGE_OPTIONS="--iface=vethwe-pcap"
-fi
 
 if [ -z "$KUBE_PEERS" ]; then
     if ! KUBE_PEERS=$(/home/weave/kube-peers) || [ -z "$KUBE_PEERS" ]; then
@@ -109,6 +96,7 @@ post_start_actions() {
         fi
     fi
     mkdir -p $HOST_ROOT/etc/cni/net.d
+    export HOST_ROOT
     /home/weave/weave --local setup-cni
 
     # Expose the weave network so host processes can communicate with pods
@@ -118,9 +106,11 @@ post_start_actions() {
 post_start_actions &
 
 /home/weave/weaver $EXTRA_ARGS --port=6783 $BRIDGE_OPTIONS \
+     --host-root=$HOST_ROOT \
      --http-addr=$HTTP_ADDR --status-addr=$STATUS_ADDR --docker-api='' --no-dns \
      --ipalloc-range=$IPALLOC_RANGE $NICKNAME_ARG \
      --ipalloc-init $IPALLOC_INIT \
      --conn-limit=$CONN_LIMIT \
+     $WEAVE_NPC_OPTS \
      "$@" \
      $KUBE_PEERS

prog/weaver/main.go

@@ -170,6 +170,7 @@ func main() {
 	mflag.BoolVar(&resume, []string{"-resume"}, false, "resume connections to previous peers")
 	mflag.StringVar(&bridgeConfig.WeaveBridgeName, []string{"-weave-bridge"}, "weave", "name of weave bridge")
 	mflag.StringVar(&bridgeConfig.DockerBridgeName, []string{"-docker-bridge"}, "", "name of Docker bridge")
+	mflag.BoolVar(&bridgeConfig.ExpectNPC, []string{"-expect-npc"}, false, "set up iptables rules for npc")
 	mflag.StringVar(&routerName, []string{"#name", "-name"}, "", "name of router (defaults to MAC of interface)")
 	mflag.StringVar(&nickName, []string{"#nickname", "-nickname"}, "", "nickname of peer (defaults to hostname)")
 	mflag.StringVar(&password, []string{"#password", "-password"}, "", "network password")