Add WaitForStatus to OpenStack servers.
diff --git a/openstack/compute/v2/servers/util.go b/openstack/compute/v2/servers/util.go
new file mode 100644
index 0000000..e6baf74
--- /dev/null
+++ b/openstack/compute/v2/servers/util.go
@@ -0,0 +1,20 @@
+package servers
+
+import "github.com/rackspace/gophercloud"
+
+// WaitForStatus will continually poll a server until it successfully transitions to a specified
+// status. It will do this for at most the number of seconds specified.
+func WaitForStatus(c *gophercloud.ServiceClient, id, status string, secs int) error {
+ return gophercloud.WaitFor(secs, func() (bool, error) {
+ current, err := Get(c, id).Extract()
+ if err != nil {
+ return false, err
+ }
+
+ if current.Status == status {
+ return true, nil
+ }
+
+ return false, nil
+ })
+}