Avoid duplicating get_parameter_from_yaml

It switches to this helper which was locally copied.

Change-Id: Iaa30d83e8c0e2d4472f4ef8fe1da4943e424ebb3
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

2 files changed, 24 insertions, 38 deletions

diff --git a/functest/opnfv_tests/vnf/router/cloudify_vrouter.py b/functest/opnfv_tests/vnf/router/cloudify_vrouter.py
index 1596860d..020085ba 100644
--- a/functest/opnfv_tests/vnf/router/cloudify_vrouter.py
+++ b/functest/opnfv_tests/vnf/router/cloudify_vrouter.py
@@ -18,12 +18,12 @@ import time
 from cloudify_rest_client import CloudifyClient
 from cloudify_rest_client.executions import Execution
 from scp import SCPClient
-import yaml
 
 from functest.opnfv_tests.openstack.snaps import snaps_utils
 import functest.opnfv_tests.vnf.router.vrouter_base as vrouter_base
 from functest.opnfv_tests.vnf.router.utilvnf import Utilvnf
 from functest.utils.constants import CONST
+from functest.utils import functest_utils
 
 from git import Repo
 
@@ -79,35 +79,46 @@ class CloudifyVrouter(vrouter_base.VrouterOnBoardingBase):
 
         config_file = os.path.join(self.case_dir, self.config)
         self.orchestrator = dict(
-            requirements=get_config("orchestrator.requirements", config_file),
+            requirements=functest_utils.get_parameter_from_yaml(
+                "orchestrator.requirements", config_file),
         )
         self.details['orchestrator'] = dict(
-            name=get_config("orchestrator.name", config_file),
-            version=get_config("orchestrator.version", config_file),
+            name=functest_utils.get_parameter_from_yaml(
+                "orchestrator.name", config_file),
+            version=functest_utils.get_parameter_from_yaml(
+                "orchestrator.version", config_file),
             status='ERROR',
             result=''
         )
         self.__logger.debug("Orchestrator configuration %s", self.orchestrator)
         self.__logger.debug("name = %s", self.name)
         self.vnf = dict(
-            descriptor=get_config("vnf.descriptor", config_file),
-            inputs=get_config("vnf.inputs", config_file),
-            requirements=get_config("vnf.requirements", config_file)
+            descriptor=functest_utils.get_parameter_from_yaml(
+                "vnf.descriptor", config_file),
+            inputs=functest_utils.get_parameter_from_yaml(
+                "vnf.inputs", config_file),
+            requirements=functest_utils.get_parameter_from_yaml(
+                "vnf.requirements", config_file)
         )
         self.details['vnf'] = dict(
             descriptor_version=self.vnf['descriptor']['version'],
-            name=get_config("vnf.name", config_file),
-            version=get_config("vnf.version", config_file),
+            name=functest_utils.get_parameter_from_yaml(
+                "vnf.name", config_file),
+            version=functest_utils.get_parameter_from_yaml(
+                "vnf.version", config_file),
         )
         self.__logger.debug("VNF configuration: %s", self.vnf)
 
         self.util = Utilvnf()
 
         self.details['test_vnf'] = dict(
-            name=get_config("vnf_test_suite.name", config_file),
-            version=get_config("vnf_test_suite.version", config_file)
+            name=functest_utils.get_parameter_from_yaml(
+                "vnf_test_suite.name", config_file),
+            version=functest_utils.get_parameter_from_yaml(
+                "vnf_test_suite.version", config_file)
         )
-        self.images = get_config("tenant_images", config_file)
+        self.images = functest_utils.get_parameter_from_yaml(
+            "tenant_images", config_file)
         self.__logger.info("Images needed for vrouter: %s", self.images)
 
     def prepare(self):
@@ -433,30 +444,6 @@ class CloudifyVrouter(vrouter_base.VrouterOnBoardingBase):
             self.cfy_manager_ip, self.deployment_name, target_vnf_name)
 
 
-# ----------------------------------------------------------
-#
-#               YAML UTILS
-#
-# -----------------------------------------------------------
-def get_config(parameter, file_path):
-    """
-    Get config parameter.
-    Returns the value of a given parameter in file.yaml
-    parameter must be given in string format with dots
-    Example: general.openstack.image_name
-    """
-    with open(file_path) as config_file:
-        file_yaml = yaml.safe_load(config_file)
-    config_file.close()
-    value = file_yaml
-    for element in parameter.split("."):
-        value = value.get(element)
-        if value is None:
-            raise ValueError("The parameter %s is not defined in"
-                             " reporting.yaml" % parameter)
-    return value
-
-
 def wait_for_execution(client, execution, logger, timeout=7200, ):
     """Wait for a workflow execution on Cloudify Manager."""
     # if execution already ended - return without waiting
diff --git a/functest/tests/unit/vnf/router/test_cloudify_vrouter.py b/functest/tests/unit/vnf/router/test_cloudify_vrouter.py
index 9711da72..db03d716 100644
--- a/functest/tests/unit/vnf/router/test_cloudify_vrouter.py
+++ b/functest/tests/unit/vnf/router/test_cloudify_vrouter.py
@@ -49,8 +49,7 @@ class CloudifyVrouterTesting(unittest.TestCase):
                            'cloudify_vrouter.vrouter_base.Utilvnf'), \
                 mock.patch('os.makedirs'), \
                 mock.patch(
-                    'functest.opnfv_tests.vnf.router.cloudify_vrouter.'
-                    'get_config',
+                    'functest.utils.functest_utils.get_parameter_from_yaml',
                     return_value={
                         'tenant_images': 'foo',
                         'orchestrator': self.orchestrator,