Allow user to choose Tempest remote repo

User can now work with alternative Tempest repos

Change-Id: I464c244e318860f7c05e0438130ccc2dbd90e08f

rally/cmd/manage.py

@@ -42,12 +42,15 @@ class TempestCommands(object):
         required=False, help="UUID of the deployment.")
     @cliutils.args("--deployment", type=str, dest="deployment",
                    required=False, help="UUID or name of the deployment")
+    @cliutils.args("--source", type=str, dest="source",
+                   required=False, help="Path/URL to repo to pull tempest "
+                                        "from.")
     @envutils.with_default_deployment
-    def install(self, deployment=None):
+    def install(self, deployment=None, source=None):
         """Install tempest."""
 
         deployment_uuid = db.deployment_get(deployment)['uuid']
-        verifier = tempest.Tempest(deployment_uuid)
+        verifier = tempest.Tempest(deployment_uuid, source=source)
         verifier.install()
 
 

rally/verification/tempest/tempest.py

@@ -28,6 +28,8 @@
 from rally.verification.tempest import config
 from rally.verification.tempest import subunit2json
 
+TEMPEST_SOURCE = "https://github.com/openstack/tempest"
+
 LOG = logging.getLogger(__name__)
 
 
@@ -52,7 +54,9 @@ class Tempest(object):
 
     base_repo = os.path.join(os.path.expanduser("~"), ".rally/tempest/base")
 
-    def __init__(self, deployment, verification=None, tempest_config=None):
+    def __init__(self, deployment, verification=None, tempest_config=None,
+                 source=None):
+        self.tempest_source = source or TEMPEST_SOURCE
         self.deployment = deployment
         self._path = os.path.join(os.path.expanduser("~"),
                                   ".rally/tempest",
@@ -129,19 +133,18 @@ def _initialize_testr(self):
     def is_installed(self):
         return os.path.exists(self.path(".venv"))
 
-    @staticmethod
-    def _clone():
+    def _clone(self):
         print("Please wait while tempest is being cloned. "
               "This could take a few minutes...")
         subprocess.check_call(["git", "clone",
-                               "https://github.com/openstack/tempest",
+                               self.tempest_source,
                                Tempest.base_repo])
 
     def install(self):
         if not self.is_installed():
             try:
                 if not os.path.exists(Tempest.base_repo):
-                    Tempest._clone()
+                    self._clone()
 
                 if not os.path.exists(self.path()):
                     shutil.copytree(Tempest.base_repo, self.path())