Test for docker network subnets and IPs

test/820_plugin_subnet_test.sh

@@ -0,0 +1,20 @@
+#! /bin/bash
+
+. ./config.sh
+
+start_suite "Test Docker Network plugin with specified subnet"
+
+weave_on $HOST1 launch
+
+# using ssh rather than docker -H because CircleCI docker client is older
+$SSH $HOST1 docker network create --driver weavemesh --ipam-driver weavemesh --subnet 10.40.0.0/16 testsubnet
+
+$SSH $HOST1 docker run --name=c1 -dt --net=testsubnet --ip 10.40.0.1 $SMALL_IMAGE /bin/sh
+$SSH $HOST1 docker run --name=c2 -dt --net=testsubnet                $SMALL_IMAGE /bin/sh
+
+assert "container_ip $HOST1 c1" "10.40.0.1"
+assert "container_ip $HOST1 c2" "10.40.0.2" # assuming linear allocation strategy
+assert_raises "exec_on $HOST1 c1 $PING c2"
+assert_raises "exec_on $HOST1 c2 $PING c1"
+
+end_suite