Improve euca exercise to use floating ips and secgroups.  This ensures that the full instance lifecycle gets 'worked.'

Change-Id: Ibf22054ae3fb864242ff3df2b8066985a43803d7
diff --git a/exercises/euca.sh b/exercises/euca.sh
index f999609..67150e4 100755
--- a/exercises/euca.sh
+++ b/exercises/euca.sh
@@ -12,7 +12,6 @@
 # an error.  It is also useful for following allowing as the install occurs.
 set -o xtrace
 
-
 # Settings
 # ========
 
@@ -21,16 +20,52 @@
 source ./openrc
 popd
 
-# find a machine image to boot
+# Find a machine image to boot
 IMAGE=`euca-describe-images | grep machine | cut -f2 | head -n1`
 
-# launch it
-INSTANCE=`euca-run-instances $IMAGE | grep INSTANCE | cut -f2`
+# Define secgroup
+SECGROUP=euca_secgroup
 
-# assure it has booted within a reasonable time
+# Add a secgroup
+euca-add-group -d description $SECGROUP
+
+# Launch it
+INSTANCE=`euca-run-instances -g $SECGROUP -t m1.tiny $IMAGE | grep INSTANCE | cut -f2`
+
+# Assure it has booted within a reasonable time
 if ! timeout $RUNNING_TIMEOUT sh -c "while euca-describe-instances $INSTANCE | grep -q running; do sleep 1; done"; then
     echo "server didn't become active within $RUNNING_TIMEOUT seconds"
     exit 1
 fi
 
+# Allocate floating address
+FLOATING_IP=`euca-allocate-address | cut -f2`
+
+# Release floating address
+euca-associate-address -i $INSTANCE $FLOATING_IP
+
+
+# Authorize pinging
+euca-authorize -P icmp -s 0.0.0.0/0 -t -1:-1 $SECGROUP
+
+# Max time till the vm is bootable
+BOOT_TIMEOUT=${BOOT_TIMEOUT:-15}
+if ! timeout $BOOT_TIMEOUT sh -c "while ! ping -c1 -w1 $FLOATING_IP; do sleep 1; done"; then
+    echo "Couldn't ping server"
+    exit 1
+fi
+
+# Revoke pinging
+euca-revoke -P icmp -s 0.0.0.0/0 -t -1:-1 $SECGROUP
+
+# Delete group
+euca-delete-group $SECGROUP
+
+# Release floating address
+euca-disassociate-address $FLOATING_IP
+
+# Release floating address
+euca-release-address $FLOATING_IP
+
+# Terminate instance
 euca-terminate-instances $INSTANCE