Use undercloud-connection to local for running validations with the CLI

This patch adds the **undercloud_connection** (set to 'ssh' by default)
parameter to the get_tripleo_ansible_inventory() function which allow
the CLI to create a static inventory file with local connection for the
undercloud.

Change-Id: I50d486afe2a11e830c72145154dc2b0764aece07
Signed-off-by: Gael Chamoulaud <gchamoul@redhat.com>
(cherry picked from commit 5075a76366)

tripleoclient/utils.py

@@ -1200,6 +1200,7 @@ def load_environment_directories(directories):
 def get_tripleo_ansible_inventory(inventory_file=None,
                                   ssh_user='tripleo-admin',
                                   stack='overcloud',
+                                  undercloud_connection='ssh',
                                   return_inventory_file_path=False):
     if not inventory_file:
         inventory_file = '%s/%s' % (os.path.expanduser('~'),
@@ -1209,7 +1210,7 @@ def get_tripleo_ansible_inventory(inventory_file=None,
                 '/usr/bin/tripleo-ansible-inventory',
                 '--stack', stack,
                 '--ansible_ssh_user', ssh_user,
-                '--undercloud-connection', 'ssh',
+                '--undercloud-connection', undercloud_connection,
                 '--undercloud-key-file',
                 '/var/lib/mistral/.ssh/tripleo-admin-rsa',
                 '--static-yaml-inventory', inventory_file)

tripleoclient/v1/tripleo_validator.py

@@ -367,7 +367,9 @@ class TripleOValidatorRun(command.Command):
             "/usr/bin/python{}".format(sys.version_info[0])
 
         static_inventory = oooutils.get_tripleo_ansible_inventory(
-            ssh_user='heat-admin', stack=parsed_args.plan,
+            ssh_user='heat-admin',
+            stack=parsed_args.plan,
+            undercloud_connection='local',
             return_inventory_file_path=True)
 
         failed_val = False