Make Python Interpreter option for Ansible Validation Run

This patch adds the --python-interpreter argument to the run
subcommand and allows the user to specify their own python interpreter.

Change-Id: Ie76d0238f117a48b2f919cd5bdc4dfae8b47ac5e
Signed-off-by: Gael Chamoulaud (Strider) <gchamoul@redhat.com>

validations_libs/cli/run.py

@@ -71,6 +71,16 @@ class Run(Command):
                             help=("Path where the run result in JUnitXML "
                                   "format will be stored."))
 
+        parser.add_argument(
+            '--python-interpreter',
+            metavar="--python-interpreter <PYTHON_INTERPRETER_PATH>",
+            action="store",
+            default="{}".format(
+                sys.executable if sys.executable else "/usr/bin/python"
+            ),
+            help=("Python interpreter for Ansible execution. ")
+        )
+
         parser.add_argument(
             '--extra-env-vars',
             action=KeyValueAction,
@@ -171,6 +181,7 @@ class Run(Command):
                 base_dir=parsed_args.ansible_base_dir,
                 validation_name=parsed_args.validation_name,
                 extra_env_vars=extra_env_vars,
+                python_interpreter=parsed_args.python_interpreter,
                 quiet=quiet_mode,
                 ssh_user=parsed_args.ssh_user,
             )

validations_libs/tests/cli/test_run.py

@@ -12,6 +12,8 @@
 #   License for the specific language governing permissions and limitations
 #   under the License.
 #
+import sys
+
 try:
     from unittest import mock
 except ImportError:
@@ -72,6 +74,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': None,
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}
 
@@ -101,6 +104,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': None,
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}
 
@@ -142,6 +146,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': None,
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}
 
@@ -169,6 +174,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': {'key': 'value'},
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}
 
@@ -198,6 +204,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': {'ANSIBLE_STDOUT_CALLBACK': 'default'},
+            'python_interpreter': sys.executable,
             'quiet': False,
             'ssh_user': 'doe'}
 
@@ -225,6 +232,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': {'key': 'value2'},
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}
 
@@ -254,6 +262,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': {'key2': 'value2'},
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}
 
@@ -292,6 +301,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': {'key2': 'value2'},
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}
 
@@ -315,6 +325,7 @@ class TestRun(BaseCommand):
             'base_dir': '/usr/share/ansible/',
             'validation_name': ['foo'],
             'extra_env_vars': {'key2': 'value2'},
+            'python_interpreter': sys.executable,
             'quiet': True,
             'ssh_user': 'doe'}