Fix MLCube configure silently failing (#494)

* Add Data Preparator cookiecutter template

* Rename cookiecutter folder

* Temporarily remove possibly offending files

* Remove cookicutter conditionals

* Inclube back missing pieces of template

* remove cookiecutter typo

* Use project_name attribute

* Change cookiecutter fields order

* Create empty directories on hook

* Fix empty folders paths

* Create evaluator mlcube cookiecutter template

* Fix JSON Syntax Error

* Update template default values

* Remove reference to undefined template variable

* Implement model mlcube cookiecutter template

* Update cookiecutter variable default values

* Create medperf CLI command for creating MLCubes

* Provide additional options for mlcube create

* Start working on tests

* Add tests for cube create

* Ignore invalid syntax on cookiecutter conditionals

* Ignore more flake8 errors

* Remove unused import

* Empty commit for cloudbuild

* Fix inconsistency with labels paths

* Update mlcube.yaml so it can be commented on docs

* Don't render noqa comments on template

* Remove flake8 specific ignores

* Exclude templates from lint checks

* Remove specific flake8 ignores

* Fix labels_paht being passed in he wrong situation

* Add requirements to cookiecutters

* Set separate labels as true by default

* Remove duplicate templates

* Abstract field-error dict formatting

* Reformat errors dictionary for printing

* Raise an error if mlcube configure fails

cli/medperf/entities/cube.py

@@ -223,6 +223,10 @@ def download_image(self):
             cmd = f"mlcube configure --mlcube={self.cube_path}"
             with pexpect.spawn(cmd, timeout=config.mlcube_configure_timeout) as proc:
                 proc_out = proc.read()
+            if proc.exitstatus != 0:
+                raise ExecutionError(
+                    "There was an error while retrieving the MLCube image"
+                )
             logging.debug(proc_out)
 
             # Retrieve image hash from MLCube

cli/medperf/tests/entities/test_cube.py

@@ -100,6 +100,22 @@ def test_get_cube_without_image_configures_mlcube(self, mocker, setup, fs):
         # Assert
         spy.assert_has_calls(expected_cmds)
 
+    @pytest.mark.parametrize("setup", [{"remote": [NO_IMG_CUBE]}], indirect=True)
+    def test_get_cube_stops_execution_if_configure_fails(self, mocker, setup, fs):
+        # Arrange
+        tmp_path = "tmp_path"
+        mocker.patch(PATCH_CUBE.format("generate_tmp_path"), return_value=tmp_path)
+        # This is the side effect of mlcube inspect
+        fs.create_file(
+            "tmp_path", contents=yaml.dump({"hash": NO_IMG_CUBE["image_hash"]})
+        )
+        mpexpect = MockPexpect(1, "expected_hash")
+        mocker.patch("pexpect.spawn", side_effect=mpexpect.spawn)
+
+        # Act & Assert
+        with pytest.raises(ExecutionError):
+            Cube.get(self.id)
+
     @pytest.mark.parametrize("setup", [{"remote": [NO_IMG_CUBE]}], indirect=True)
     def test_get_cube_without_image_fails_with_wrong_hash(self, mocker, setup, fs):
         # Arrange