Update server test
diff --git a/acceptance/openstack/tools_test.go b/acceptance/openstack/tools_test.go
new file mode 100644
index 0000000..dc2cde8
--- /dev/null
+++ b/acceptance/openstack/tools_test.go
@@ -0,0 +1,243 @@
+package openstack
+
+import (
+ "fmt"
+ "github.com/rackspace/gophercloud/openstack/compute/servers"
+ "github.com/rackspace/gophercloud/openstack/identity"
+ "github.com/rackspace/gophercloud/openstack/utils"
+ "os"
+ "text/tabwriter"
+ "time"
+ "crypto/rand"
+)
+
+var errTimeout = fmt.Errorf("Timeout.")
+
+type testState struct {
+ o identity.AuthOptions
+ a identity.AuthResults
+ sc *identity.ServiceCatalog
+ eps []identity.Endpoint
+ w *tabwriter.Writer
+ imageId string
+ flavorId string
+ region string
+ ep string
+ client *servers.Client
+ createdServer *servers.Server
+ gottenServer *servers.Server
+ updatedServer *servers.Server
+ serverName string
+ alternateName string
+}
+
+func setupForList() (*testState, error) {
+ var err error
+
+ ts := new(testState)
+
+ ts.o, err = utils.AuthOptions()
+ if err != nil {
+ return ts, err
+ }
+
+ ts.a, err = identity.Authenticate(ts.o)
+ if err != nil {
+ return ts, err
+ }
+
+ ts.sc, err = identity.GetServiceCatalog(ts.a)
+ if err != nil {
+ return ts, err
+ }
+
+ ts.eps, err = findAllComputeEndpoints(ts.sc)
+ if err != nil {
+ return ts, err
+ }
+
+ ts.w = new(tabwriter.Writer)
+ ts.w.Init(os.Stdout, 2, 8, 2, ' ', 0)
+
+ return ts, nil
+}
+
+func setupForCRUD() (*testState, error) {
+ ts, err := setupForList()
+ if err != nil {
+ return ts, err
+ }
+
+ ts.imageId = os.Getenv("OS_IMAGE_ID")
+ if ts.imageId == "" {
+ return ts, fmt.Errorf("Expected OS_IMAGE_ID environment variable to be set")
+ }
+
+ ts.flavorId = os.Getenv("OS_FLAVOR_ID")
+ if ts.flavorId == "" {
+ return ts, fmt.Errorf("Expected OS_FLAVOR_ID environment variable to be set")
+ }
+
+ ts.region = os.Getenv("OS_REGION_NAME")
+ if ts.region == "" {
+ ts.region = ts.eps[0].Region
+ }
+
+ ts.ep, err = findEndpointForRegion(ts.eps, ts.region)
+ if err != nil {
+ return ts, err
+ }
+
+ return ts, err
+}
+
+func findAllComputeEndpoints(sc *identity.ServiceCatalog) ([]identity.Endpoint, error) {
+ ces, err := sc.CatalogEntries()
+ if err != nil {
+ return nil, err
+ }
+
+ for _, ce := range ces {
+ if ce.Type == "compute" {
+ return ce.Endpoints, nil
+ }
+ }
+
+ return nil, fmt.Errorf("Compute endpoint not found.")
+}
+
+func findEndpointForRegion(eps []identity.Endpoint, r string) (string, error) {
+ for _, ep := range eps {
+ if ep.Region == r {
+ return ep.PublicURL, nil
+ }
+ }
+ return "", fmt.Errorf("Unknown region %s", r)
+}
+
+func countDown(ts *testState, timeout int) (bool, int, error) {
+ if timeout < 1 {
+ return false, 0, errTimeout
+ }
+ time.Sleep(1 * time.Second)
+ timeout--
+
+ gr, err := servers.GetDetail(ts.client, ts.createdServer.Id)
+ if err != nil {
+ return false, timeout, err
+ }
+
+ ts.gottenServer, err = servers.GetServer(gr)
+ if err != nil {
+ return false, timeout, err
+ }
+
+ return true, timeout, nil
+}
+
+func createServer(ts *testState) error {
+ ts.serverName = randomString("ACPTTEST", 16)
+ fmt.Printf("Attempting to create server: %s\n", ts.serverName)
+
+ ts.client = servers.NewClient(ts.ep, ts.a, ts.o)
+
+ cr, err := servers.Create(ts.client, map[string]interface{}{
+ "flavorRef": ts.flavorId,
+ "imageRef": ts.imageId,
+ "name": ts.serverName,
+ })
+ if err != nil {
+ return err
+ }
+
+ ts.createdServer, err = servers.GetServer(cr)
+ return err
+}
+
+func waitForStatus(ts *testState, s string) error {
+ var (
+ inProgress bool
+ timeout int
+ err error
+ )
+
+ for inProgress, timeout, err = countDown(ts, 300) ; inProgress ; inProgress, timeout, err = countDown(ts, timeout) {
+ if ts.gottenServer.Id != ts.createdServer.Id {
+ return fmt.Errorf("created server id (%s) != gotten server id (%s)", ts.createdServer.Id, ts.gottenServer.Id)
+ }
+
+ if ts.gottenServer.Status == s {
+ fmt.Printf("Server created after %d seconds (approximately)\n", 300-timeout)
+ break
+ }
+ }
+
+ if err == errTimeout {
+ fmt.Printf("I'm not waiting around.\n")
+ err = nil
+ }
+
+ return err
+}
+
+func changeServerName(ts *testState) error {
+ var (
+ inProgress bool
+ timeout int
+ )
+
+ ts.alternateName = randomString("ACPTTEST", 16)
+ for ts.alternateName == ts.serverName {
+ ts.alternateName = randomString("ACPTTEST", 16)
+ }
+ fmt.Println("Attempting to change server name")
+
+ ur, err := servers.Update(ts.client, ts.createdServer.Id, map[string]interface{}{
+ "name": ts.alternateName,
+ })
+ if err != nil {
+ return err
+ }
+
+ ts.updatedServer, err = servers.GetServer(ur)
+ if err != nil {
+ return err
+ }
+
+ if ts.updatedServer.Id != ts.createdServer.Id {
+ return fmt.Errorf("Expected updated and created server to share the same ID")
+ }
+
+ for inProgress, timeout, err = countDown(ts, 300) ; inProgress ; inProgress, timeout, err = countDown(ts, timeout) {
+ if ts.gottenServer.Id != ts.updatedServer.Id {
+ return fmt.Errorf("Updated server ID (%s) != gotten server ID (%s)", ts.updatedServer.Id, ts.gottenServer.Id)
+ }
+
+ if ts.gottenServer.Name == ts.alternateName {
+ fmt.Printf("Server updated after %d seconds (approximately)\n", 300-timeout)
+ break
+ }
+ }
+
+ if err == errTimeout {
+ fmt.Printf("I'm not waiting around.\n")
+ err = nil
+ }
+
+ return err
+}
+
+// randomString generates a string of given length, but random content.
+// All content will be within the ASCII graphic character set.
+// (Implementation from Even Shaw's contribution on
+// http://stackoverflow.com/questions/12771930/what-is-the-fastest-way-to-generate-a-long-random-string-in-go).
+func randomString(prefix string, n int) string {
+ const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+ var bytes = make([]byte, n)
+ rand.Read(bytes)
+ for i, b := range bytes {
+ bytes[i] = alphanum[b%byte(len(alphanum))]
+ }
+ return prefix + string(bytes)
+}
+