Persist the Ring

test/162_persist_ipam_2_test.sh

@@ -0,0 +1,43 @@
+#! /bin/bash
+
+. ./config.sh
+
+start_suite "Checking persistence of IPAM"
+
+launch_router_with_db() {
+    host=$1
+    shift
+    WEAVE_DOCKER_ARGS="-v /tmp:/db" weave_on $host launch-router --db-prefix=/db/test162- "$@"
+}
+
+# Remove any persisted data from previous runs
+run_on $HOST1 "sudo rm -f /tmp/test162-*"
+run_on $HOST2 "sudo rm -f /tmp/test162-*"
+
+launch_router_with_db $HOST1
+launch_router_with_db $HOST2 $HOST1
+
+start_container $HOST1 --name=c1
+C1=$(container_ip $HOST1 c1)
+start_container $HOST2 --name=c2
+assert_raises "exec_on $HOST2 c2 $PING $C1"
+
+stop_router_on $HOST1
+stop_router_on $HOST2
+
+# Start just HOST2; if nothing persisted it would form its own ring
+launch_router_with_db $HOST2
+start_container $HOST2 --name=c3
+C3=$(container_ip $HOST2 c3)
+assert_raises "[ $C3 != $C1 ]"
+
+stop_router_on $HOST2
+
+# Now start HOST1 with HOST2 down and see if it hangs when we launch a container
+launch_router_with_db $HOST1 $HOST2
+start_container $HOST1 --name=c4
+C4=$(container_ip $HOST1 c4)
+assert_raises "[ $C4 != $C1 ]"
+assert_raises "[ $C4 != $C3 ]"
+
+end_suite