run tests for floaitng ips

tools/jenkins/adapters/floating_ips.sh

@@ -1,3 +1,8 @@
 #!/bin/bash
+# Echo commands, exit on error
+set -o xtrace
+set -o errexit
 
-echo "$0 SUCCESS!"
+TOP_DIR=$(cd ../../.. && pwd)
+HEAD_IP=`cat $TOP_DIR/addresses | grep HEAD | cut -d "=" -f2`
+ssh stack@$HEAD_IP 'cd devstack && source openrc && cd exercises &&  ./floating_ips.sh'