Plumb through custom weave domains.

docker/entrypoint.sh

@@ -39,6 +39,17 @@ while true; do
         --no-probe|--probe-only)
             touch /etc/service/probe/down
             ;;
+        --weave.hostname*)
+            if echo "$1" | grep "=" 1>/dev/null; then
+                ARG_VALUE=$(echo "$1" | sed 's/\-\-weave.hostname=\(.*\)/\1/')
+            else
+                [ $# -gt 1 ] || usage
+                ARG_VALUE="$2"
+                shift
+            fi
+            PROBE_ARGS="$PROBE_ARGS -weave.hostname=$ARG_VALUE"
+            APP_ARGS="$APP_ARGS -weave.hostname=$ARG_VALUE"
+            ;;
         --probe.*)
             if echo "$1" | grep "=" 1>/dev/null; then
                 ARG_NAME=$(echo "$1" | sed 's/\-\-probe\.\([^=]*\)=\(.*\)/\1/')

integration/210_clustering_custom_hostname_2_test.sh

@@ -0,0 +1,29 @@
+#! /bin/bash
+
+. ./config.sh
+
+start_suite "Launch 2 scopes and check they cluster automatically, with custom weave domain"
+
+weave_on $HOST1 launch --dns-domain foo.local $HOST1 $HOST2
+weave_on $HOST2 launch --dns-domain foo.local $HOST1 $HOST2
+
+scope_on $HOST1 launch --weave.hostname=bar.foo.local
+scope_on $HOST2 launch --weave.hostname bar.foo.local
+
+docker_on $HOST1 run -dit --name db1 peterbourgon/tns-db
+docker_on $HOST2 run -dit --name db2 peterbourgon/tns-db
+
+sleep 30 # need to allow the scopes to poll dns, resolve the other app ids, and send them reports
+
+check() {
+	has_container $1 weave 2
+	has_container $1 weaveproxy 2
+	has_container $1 weavescope 2
+	has_container $1 db1
+	has_container $1 db2
+}
+
+check $HOST1
+check $HOST2
+
+scope_end_suite