make use of functest_utils.get_parameter_from_yaml

JIRA: FUNCTEST-463

Change-Id: I1d54a65c5bfa2542f2fd3a2e408967641e6e4ac9
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>
(cherry picked from commit 55d301a2622ff5b63d431b9272caa68224d53843)

20 files changed, 310 insertions, 310 deletions

diff --git a/ci/prepare_env.py b/ci/prepare_env.py
index 49b3ea75e..63a0ad4a8 100755
--- a/ci/prepare_env.py
+++ b/ci/prepare_env.py
@@ -48,21 +48,21 @@ CONFIG_FUNCTEST_PATH = os.environ["CONFIG_FUNCTEST_YAML"]
 CONFIG_PATCH_PATH = os.path.join(os.path.dirname(
     CONFIG_FUNCTEST_PATH), "config_patch.yaml")
 
-functest_yaml = ft_utils.get_functest_yaml()
-
 with open(CONFIG_PATCH_PATH) as f:
     functest_patch_yaml = yaml.safe_load(f)
 
-FUNCTEST_CONF_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_functest_conf")
+FUNCTEST_CONF_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_functest_conf')
+
 
-FUNCTEST_DATA_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_functest_data")
-FUNCTEST_RESULTS_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_results")
-DEPLOYMENT_MAME = functest_yaml.get("rally").get("deployment_name")
-TEMPEST_REPO_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_repo_tempest")
+FUNCTEST_DATA_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_functest_data')
+FUNCTEST_RESULTS_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_results')
+DEPLOYMENT_MAME = \
+    ft_utils.get_functest_config('rally.deployment_name')
+TEMPEST_REPO_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_repo_tempest')
 
 ENV_FILE = FUNCTEST_CONF_DIR + "/env_active"
 
@@ -191,7 +191,7 @@ def patch_config_file():
     for key in functest_patch_yaml:
         if key in CI_SCENARIO:
             new_functest_yaml = dict(ft_utils.merge_dicts(
-                functest_yaml, functest_patch_yaml[key]))
+                ft_utils.get_functest_yaml(), functest_patch_yaml[key]))
             updated = True
 
     if updated:
diff --git a/cli/commands/cli_os.py b/cli/commands/cli_os.py
index fc027d5fe..4324ae44d 100644
--- a/cli/commands/cli_os.py
+++ b/cli/commands/cli_os.py
@@ -16,13 +16,12 @@ import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_clean as os_clean
 import functest.utils.openstack_snapshot as os_snapshot
 
-functest_yaml = ft_utils.get_functest_yaml()
 
-FUNCTEST_CONF_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_functest_conf")
+FUNCTEST_CONF_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_functest_conf')
 RC_FILE = os.getenv('creds')
-OS_SNAPSHOT_FILE = ft_utils.get_parameter_from_yaml(
-    "general.openstack.snapshot_file")
+OS_SNAPSHOT_FILE = \
+    ft_utils.get_functest_config("general.openstack.snapshot_file")
 
 
 class CliOpenStack:
diff --git a/cli/commands/cli_testcase.py b/cli/commands/cli_testcase.py
index 5cfe99881..510d740ba 100644
--- a/cli/commands/cli_testcase.py
+++ b/cli/commands/cli_testcase.py
@@ -17,10 +17,9 @@ import functest.ci.tier_builder as tb
 import functest.utils.functest_utils as ft_utils
 import functest.utils.functest_vacation as vacation
 
-functest_yaml = ft_utils.get_functest_yaml()
 
-FUNCTEST_CONF_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_functest_conf")
+FUNCTEST_CONF_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_functest_conf')
 ENV_FILE = FUNCTEST_CONF_DIR + "/env_active"
 FUNCTEST_REPO = ft_utils.FUNCTEST_REPO
 
diff --git a/cli/commands/cli_tier.py b/cli/commands/cli_tier.py
index ee45d8438..aa0541981 100644
--- a/cli/commands/cli_tier.py
+++ b/cli/commands/cli_tier.py
@@ -16,10 +16,9 @@ import click
 import functest.ci.tier_builder as tb
 import functest.utils.functest_utils as ft_utils
 
-functest_yaml = ft_utils.get_functest_yaml()
 
-FUNCTEST_CONF_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_functest_conf")
+FUNCTEST_CONF_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_functest_conf')
 ENV_FILE = FUNCTEST_CONF_DIR + "/env_active"
 FUNCTEST_REPO = ft_utils.FUNCTEST_REPO
 
diff --git a/testcases/Controllers/ONOS/Teston/adapters/foundation.py b/testcases/Controllers/ONOS/Teston/adapters/foundation.py
index 90eb14490..5c42c35e8 100644
--- a/testcases/Controllers/ONOS/Teston/adapters/foundation.py
+++ b/testcases/Controllers/ONOS/Teston/adapters/foundation.py
@@ -16,7 +16,6 @@ import logging
 import os
 import re
 import time
-import yaml
 
 import functest.utils.functest_utils as ft_utils
 
@@ -55,35 +54,30 @@ class foundation:
         """
         Get Default Parameters value
         """
-        with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
-            functest_yaml = yaml.safe_load(f)
-
-        self.Result_DB = str(functest_yaml.get("results").get("test_db_url"))
-        self.masterusername = str(functest_yaml.get("ONOS").get("general").
-                                  get('onosbench_username'))
-        self.masterpassword = str(functest_yaml.get("ONOS").get("general").
-                                  get("onosbench_password"))
-        self.agentusername = str(functest_yaml.get("ONOS").get("general").
-                                 get("onoscli_username"))
-        self.agentpassword = str(functest_yaml.get("ONOS").get("general").
-                                 get("onoscli_password"))
-        self.runtimeout = functest_yaml.get("ONOS").get("general").get(
-            "runtimeout")
-        self.OCT = str(functest_yaml.get("ONOS").get("environment").get("OCT"))
-        self.OC1 = str(functest_yaml.get("ONOS").get("environment").get("OC1"))
-        self.OC2 = str(functest_yaml.get("ONOS").get("environment").get("OC2"))
-        self.OC3 = str(functest_yaml.get("ONOS").get("environment").get("OC3"))
-        self.OCN = str(functest_yaml.get("ONOS").get("environment").get("OCN"))
-        self.OCN2 = str(functest_yaml.get("ONOS").
-                        get("environment").get("OCN2"))
-        self.installer_master = str(functest_yaml.get("ONOS").
-                                    get("environment").get("installer_master"))
-        self.installer_master_username = str(functest_yaml.get("ONOS").
-                                             get("environment").
-                                             get("installer_master_username"))
-        self.installer_master_password = str(functest_yaml.get("ONOS").
-                                             get("environment").
-                                             get("installer_master_password"))
+        self.Result_DB = str(
+            ft_utils.get_functest_config('results.test_db_url'))
+        self.masterusername = str(
+            ft_utils.get_functest_config('ONOS.general.onosbench_username'))
+        self.masterpassword = str(
+            ft_utils.get_functest_config('ONOS.general.onosbench_password'))
+        self.agentusername = str(
+            ft_utils.get_functest_config('ONOS.general.onoscli_username'))
+        self.agentpassword = str(
+            ft_utils.get_functest_config('ONOS.general.onoscli_password'))
+        self.runtimeout = \
+            ft_utils.get_functest_config('ONOS.general.runtimeout')
+        self.OCT = str(ft_utils.get_functest_config('ONOS.environment.OCT'))
+        self.OC1 = str(ft_utils.get_functest_config('ONOS.environment.OC1'))
+        self.OC2 = str(ft_utils.get_functest_config('ONOS.environment.OC2'))
+        self.OC3 = str(ft_utils.get_functest_config('ONOS.environment.OC3'))
+        self.OCN = str(ft_utils.get_functest_config('ONOS.environment.OCN'))
+        self.OCN2 = str(ft_utils.get_functest_config('ONOS.environment.OCN2'))
+        self.installer_master = str(
+            ft_utils.get_functest_config('ONOS.environment.installer_master'))
+        self.installer_master_username = str(ft_utils.get_functest_config(
+            'ONOS.environment.installer_master_username'))
+        self.installer_master_password = str(ft_utils.get_functest_config(
+            'ONOS.environment.installer_master_password'))
         self.hosts = [self.OC1, self.OCN, self.OCN2]
         self.localhost = self.OCT
 
diff --git a/testcases/Controllers/ONOS/Teston/onosfunctest.py b/testcases/Controllers/ONOS/Teston/onosfunctest.py
index a5c225edc..c8045fd12 100755
--- a/testcases/Controllers/ONOS/Teston/onosfunctest.py
+++ b/testcases/Controllers/ONOS/Teston/onosfunctest.py
@@ -23,7 +23,7 @@ import argparse
 from neutronclient.v2_0 import client as neutronclient
 
 import functest.utils.functest_logger as ft_logger
-import functest.utils.functest_utils as functest_utils
+import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_utils as openstack_utils
 
 parser = argparse.ArgumentParser()
@@ -35,12 +35,11 @@ args = parser.parse_args()
 logger = ft_logger.Logger("onos").getLogger()
 
 # onos parameters
-TEST_DB = functest_utils.get_parameter_from_yaml(
-    "results.test_db_url")
-ONOS_REPO_PATH = functest_utils.get_parameter_from_yaml(
-    "general.directories.dir_repos")
-ONOS_CONF_DIR = functest_utils.get_parameter_from_yaml(
-    "general.directories.dir_functest_conf")
+TEST_DB = ft_utils.get_functest_config("results.test_db_url")
+ONOS_REPO_PATH = \
+    ft_utils.get_functest_config("general.directories.dir_repos")
+ONOS_CONF_DIR = \
+    ft_utils.get_functest_config("general.directories.dir_functest_conf")
 
 ONOSCI_PATH = ONOS_REPO_PATH + "/"
 starttime = datetime.datetime.now()
@@ -49,15 +48,14 @@ HOME = os.environ['HOME'] + "/"
 INSTALLER_TYPE = os.environ['INSTALLER_TYPE']
 DEPLOY_SCENARIO = os.environ['DEPLOY_SCENARIO']
 ONOSCI_PATH = ONOS_REPO_PATH + "/"
-GLANCE_IMAGE_NAME = functest_utils.get_parameter_from_yaml(
-    "onos_sfc.image_name")
-GLANCE_IMAGE_FILENAME = functest_utils.get_parameter_from_yaml(
-    "onos_sfc.image_file_name")
-GLANCE_IMAGE_PATH = functest_utils.get_parameter_from_yaml(
-    "general.directories.dir_functest_data") + "/" + GLANCE_IMAGE_FILENAME
-SFC_PATH = functest_utils.FUNCTEST_REPO + "/" + \
-           functest_utils.get_parameter_from_yaml(
-               "general.directories.dir_onos_sfc")
+GLANCE_IMAGE_NAME = ft_utils.get_functest_config("onos_sfc.image_name")
+GLANCE_IMAGE_FILENAME = \
+    ft_utils.get_functest_config("onos_sfc.image_file_name")
+GLANCE_IMAGE_PATH = \
+    ft_utils.get_functest_config("general.directories.dir_functest_data") + \
+    "/" + GLANCE_IMAGE_FILENAME
+SFC_PATH = ft_utils.FUNCTEST_REPO + "/" + \
+           ft_utils.get_functest_config("general.directories.dir_onos_sfc")
 
 
 def RunScript(testname):
@@ -244,12 +242,12 @@ def OnosTest():
         except:
             logger.error("Unable to set ONOS criteria")
 
-        functest_utils.push_results_to_db("functest",
-                                          "onos",
-                                          start_time,
-                                          stop_time,
-                                          status,
-                                          result)
+        ft_utils.push_results_to_db("functest",
+                                    "onos",
+                                    start_time,
+                                    stop_time,
+                                    status,
+                                    result)
 
     except:
         logger.error("Error pushing results into Database")
diff --git a/testcases/OpenStack/examples/create_instance_and_ip.py b/testcases/OpenStack/examples/create_instance_and_ip.py
index 3d41e5dde..50cdf8a57 100755
--- a/testcases/OpenStack/examples/create_instance_and_ip.py
+++ b/testcases/OpenStack/examples/create_instance_and_ip.py
@@ -32,33 +32,30 @@ HOME = os.environ['HOME'] + "/"
 
 VM_BOOT_TIMEOUT = 180
 
-INSTANCE_NAME = ft_utils.get_parameter_from_yaml("example.example_vm_name")
-FLAVOR = ft_utils.get_parameter_from_yaml("example.example_flavor")
-IMAGE_NAME = ft_utils.get_parameter_from_yaml("example.example_image_name")
-IMAGE_FILENAME = ft_utils.get_parameter_from_yaml(
-    "general.openstack.image_file_name")
-IMAGE_FORMAT = ft_utils.get_parameter_from_yaml(
-    "general.openstack.image_disk_format")
-IMAGE_PATH = ft_utils.get_parameter_from_yaml(
-    "general.directories.dir_functest_data") + "/" + IMAGE_FILENAME
+INSTANCE_NAME = ft_utils.get_functest_config("example.example_vm_name")
+FLAVOR = ft_utils.get_functest_config("example.example_flavor")
+IMAGE_NAME = ft_utils.get_functest_config("example.example_image_name")
+IMAGE_FILENAME = \
+    ft_utils.get_functest_config("general.openstack.image_file_name")
+IMAGE_FORMAT = \
+    ft_utils.get_functest_config("general.openstack.image_disk_format")
+IMAGE_PATH = \
+    ft_utils.get_functest_config("general.directories.dir_functest_data") + \
+    "/" + IMAGE_FILENAME
 
 # NEUTRON Private Network parameters
 
-NET_NAME = ft_utils.get_parameter_from_yaml(
-    "example.example_private_net_name")
-SUBNET_NAME = ft_utils.get_parameter_from_yaml(
-    "example.example_private_subnet_name")
-SUBNET_CIDR = ft_utils.get_parameter_from_yaml(
-    "example.example_private_subnet_cidr")
-ROUTER_NAME = ft_utils.get_parameter_from_yaml(
-    "example.example_router_name")
-
-SECGROUP_NAME = ft_utils.get_parameter_from_yaml(
-    "example.example_sg_name")
-SECGROUP_DESCR = ft_utils.get_parameter_from_yaml(
-    "example.example_sg_descr")
-
-TEST_DB = ft_utils.get_parameter_from_yaml("results.test_db_url")
+NET_NAME = ft_utils.get_functest_config("example.example_private_net_name")
+SUBNET_NAME = \
+    ft_utils.get_functest_config("example.example_private_subnet_name")
+SUBNET_CIDR = \
+    ft_utils.get_functest_config("example.example_private_subnet_cidr")
+ROUTER_NAME = ft_utils.get_functest_config("example.example_router_name")
+
+SECGROUP_NAME = ft_utils.get_functest_config("example.example_sg_name")
+SECGROUP_DESCR = ft_utils.get_functest_config("example.example_sg_descr")
+
+TEST_DB = ft_utils.get_functest_config("results.test_db_url")
 
 
 def main():
diff --git a/testcases/OpenStack/rally/run_rally-cert.py b/testcases/OpenStack/rally/run_rally-cert.py
index 536b4a5c2..29fd0a334 100755
--- a/testcases/OpenStack/rally/run_rally-cert.py
+++ b/testcases/OpenStack/rally/run_rally-cert.py
@@ -26,7 +26,7 @@ import iniparse
 import yaml
 
 import functest.utils.functest_logger as ft_logger
-import functest.utils.functest_utils as functest_utils
+import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_utils as os_utils
 
 tests = ['authenticate', 'glance', 'cinder', 'heat', 'keystone',
@@ -72,11 +72,9 @@ else:
 logger = ft_logger.Logger("run_rally").getLogger()
 
 
-functest_yaml = functest_utils.get_functest_yaml()
-
 HOME = os.environ['HOME'] + "/"
-RALLY_DIR = functest_utils.FUNCTEST_REPO + '/' + \
-            functest_yaml.get("general").get("directories").get("dir_rally")
+RALLY_DIR = ft_utils.FUNCTEST_REPO + '/' + \
+            ft_utils.get_functest_config('general.directories.dir_rally')
 TEMPLATE_DIR = RALLY_DIR + "scenario/templates"
 SUPPORT_DIR = RALLY_DIR + "scenario/support"
 TEMP_DIR = RALLY_DIR + "var"
@@ -88,25 +86,27 @@ TENANTS_AMOUNT = 3
 ITERATIONS_AMOUNT = 10
 CONCURRENCY = 4
 
-RESULTS_DIR = functest_yaml.get("general").get("directories").get(
-    "dir_rally_res")
-TEMPEST_CONF_FILE = functest_yaml.get("general").get("directories").get(
-    "dir_results") + '/tempest/tempest.conf'
-TEST_DB = functest_yaml.get("results").get("test_db_url")
-
-PRIVATE_NET_NAME = functest_yaml.get("rally").get("network_name")
-PRIVATE_SUBNET_NAME = functest_yaml.get("rally").get("subnet_name")
-PRIVATE_SUBNET_CIDR = functest_yaml.get("rally").get("subnet_cidr")
-ROUTER_NAME = functest_yaml.get("rally").get("router_name")
-
-GLANCE_IMAGE_NAME = functest_yaml.get("general").get("openstack").get(
-    "image_name")
-GLANCE_IMAGE_FILENAME = functest_yaml.get("general").get("openstack").get(
-    "image_file_name")
-GLANCE_IMAGE_FORMAT = functest_yaml.get("general").get("openstack").get(
-    "image_disk_format")
-GLANCE_IMAGE_PATH = functest_yaml.get("general").get("directories").get(
-    "dir_functest_data") + "/" + GLANCE_IMAGE_FILENAME
+RESULTS_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_rally_res')
+TEMPEST_CONF_FILE = \
+    ft_utils.get_functest_config('general.directories.dir_results') + \
+    '/tempest/tempest.conf'
+TEST_DB = ft_utils.get_functest_config('results.test_db_url')
+
+PRIVATE_NET_NAME = ft_utils.get_functest_config('rally.network_name')
+PRIVATE_SUBNET_NAME = ft_utils.get_functest_config('rally.subnet_name')
+PRIVATE_SUBNET_CIDR = ft_utils.get_functest_config('rally.subnet_cidr')
+ROUTER_NAME = ft_utils.get_functest_config('rally.router_name')
+
+GLANCE_IMAGE_NAME = \
+    ft_utils.get_functest_config('general.openstack.image_name')
+GLANCE_IMAGE_FILENAME = \
+    ft_utils.get_functest_config('general.openstack.image_file_name')
+GLANCE_IMAGE_FORMAT = \
+    ft_utils.get_functest_config('general.openstack.image_disk_format')
+GLANCE_IMAGE_PATH = \
+    ft_utils.get_functest_config('general.directories.dir_functest_data') + \
+    "/" + GLANCE_IMAGE_FILENAME
 
 CINDER_VOLUME_TYPE_NAME = "volume_test"
 
@@ -409,12 +409,12 @@ def run_task(test_name):
     if args.report:
         stop_time = time.time()
         logger.debug("Push Rally detailed results into DB")
-        functest_utils.push_results_to_db("functest",
-                                          "Rally_details",
-                                          start_time,
-                                          stop_time,
-                                          status,
-                                          json_data)
+        ft_utils.push_results_to_db("functest",
+                                    "Rally_details",
+                                    start_time,
+                                    stop_time,
+                                    status,
+                                    json_data)
 
 
 def main():
@@ -533,7 +533,7 @@ def main():
         case_name = "rally_full"
 
     # Evaluation of the success criteria
-    status = functest_utils.check_success_rate(case_name, success_rate)
+    status = ft_utils.check_success_rate(case_name, success_rate)
 
     exit_code = -1
     if status == "PASS":
@@ -541,12 +541,12 @@ def main():
 
     if args.report:
         logger.debug("Pushing Rally summary into DB...")
-        functest_utils.push_results_to_db("functest",
-                                          case_name,
-                                          start_time,
-                                          stop_time,
-                                          status,
-                                          payload)
+        ft_utils.push_results_to_db("functest",
+                                    case_name,
+                                    start_time,
+                                    stop_time,
+                                    status,
+                                    payload)
     if args.noclean:
         exit(exit_code)
 
diff --git a/testcases/OpenStack/tempest/gen_tempest_conf.py b/testcases/OpenStack/tempest/gen_tempest_conf.py
index 688a92402..ca671d00d 100755
--- a/testcases/OpenStack/tempest/gen_tempest_conf.py
+++ b/testcases/OpenStack/tempest/gen_tempest_conf.py
@@ -55,10 +55,10 @@ def configure_tempest_multisite(deployment_dir):
         kingbird_conf_path = "/etc/kingbird/kingbird.conf"
         installer_type = os.getenv('INSTALLER_TYPE', 'Unknown')
         installer_ip = os.getenv('INSTALLER_IP', 'Unknown')
-        installer_username = ft_utils.get_parameter_from_yaml(
+        installer_username = ft_utils.get_functest_config(
             "multisite." + installer_type +
             "_environment.installer_username")
-        installer_password = ft_utils.get_parameter_from_yaml(
+        installer_password = ft_utils.get_functest_config(
             "multisite." + installer_type +
             "_environment.installer_password")
 
diff --git a/testcases/OpenStack/tempest/run_tempest.py b/testcases/OpenStack/tempest/run_tempest.py
index c426eb63e..2f24e96de 100755
--- a/testcases/OpenStack/tempest/run_tempest.py
+++ b/testcases/OpenStack/tempest/run_tempest.py
@@ -58,39 +58,49 @@ args = parser.parse_args()
 """ logging configuration """
 logger = ft_logger.Logger("run_tempest").getLogger()
 
-functest_yaml = ft_utils.get_functest_yaml()
-TEST_DB = functest_yaml.get("results").get("test_db_url")
+TEST_DB = ft_utils.get_functest_config('results.test_db_url')
 
 MODE = "smoke"
-GLANCE_IMAGE_NAME = functest_yaml.get("general").get(
-    "openstack").get("image_name")
-GLANCE_IMAGE_FILENAME = functest_yaml.get("general").get(
-    "openstack").get("image_file_name")
-GLANCE_IMAGE_FORMAT = functest_yaml.get("general").get(
-    "openstack").get("image_disk_format")
-GLANCE_IMAGE_PATH = functest_yaml.get("general").get("directories").get(
-    "dir_functest_data") + "/" + GLANCE_IMAGE_FILENAME
-PRIVATE_NET_NAME = functest_yaml.get("tempest").get("private_net_name")
-PRIVATE_SUBNET_NAME = functest_yaml.get("tempest").get("private_subnet_name")
-PRIVATE_SUBNET_CIDR = functest_yaml.get("tempest").get("private_subnet_cidr")
-ROUTER_NAME = functest_yaml.get("tempest").get("router_name")
-TENANT_NAME = functest_yaml.get("tempest").get("identity").get("tenant_name")
-TENANT_DESCRIPTION = functest_yaml.get("tempest").get("identity").get(
-    "tenant_description")
-USER_NAME = functest_yaml.get("tempest").get("identity").get("user_name")
-USER_PASSWORD = functest_yaml.get("tempest").get("identity").get(
-    "user_password")
-SSH_TIMEOUT = functest_yaml.get("tempest").get("validation").get(
-    "ssh_timeout")
-DEPLOYMENT_MAME = functest_yaml.get("rally").get("deployment_name")
-RALLY_INSTALLATION_DIR = functest_yaml.get("general").get("directories").get(
-    "dir_rally_inst")
-RESULTS_DIR = functest_yaml.get("general").get("directories").get(
-    "dir_results")
+GLANCE_IMAGE_NAME = \
+    ft_utils.get_functest_config('general.openstack.image_name')
+GLANCE_IMAGE_FILENAME = \
+    ft_utils.get_functest_config('general.openstack.image_file_name')
+GLANCE_IMAGE_FORMAT = \
+    ft_utils.get_functest_config('general.openstack.image_disk_format')
+GLANCE_IMAGE_PATH = \
+    ft_utils.get_functest_config('general.directories.dir_functest_data') + \
+    "/" + GLANCE_IMAGE_FILENAME
+
+PRIVATE_NET_NAME = \
+    ft_utils.get_functest_config('tempest.private_net_name')
+PRIVATE_SUBNET_NAME = \
+    ft_utils.get_functest_config('tempest.private_subnet_name')
+PRIVATE_SUBNET_CIDR = \
+    ft_utils.get_functest_config('tempest.private_subnet_cidr')
+ROUTER_NAME = \
+    ft_utils.get_functest_config('tempest.router_name')
+TENANT_NAME = \
+    ft_utils.get_functest_config('tempest.identity.tenant_name')
+TENANT_DESCRIPTION = \
+    ft_utils.get_functest_config('tempest.identity.tenant_description')
+USER_NAME = \
+    ft_utils.get_functest_config('tempest.identity.user_name')
+USER_PASSWORD = \
+    ft_utils.get_functest_config('tempest.identity.user_password')
+SSH_TIMEOUT = \
+    ft_utils.get_functest_config('tempest.validation.ssh_timeout')
+DEPLOYMENT_MAME = \
+    ft_utils.get_functest_config('rally.deployment_name')
+RALLY_INSTALLATION_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_rally_inst')
+
+RESULTS_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_results')
 TEMPEST_RESULTS_DIR = RESULTS_DIR + '/tempest'
-TEST_LIST_DIR = functest_yaml.get("general").get("directories").get(
-    "dir_tempest_cases")
+
 REPO_PATH = ft_utils.FUNCTEST_REPO + '/'
+TEST_LIST_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_tempest_cases')
 TEMPEST_CUSTOM = REPO_PATH + TEST_LIST_DIR + 'test_list.txt'
 TEMPEST_BLACKLIST = REPO_PATH + TEST_LIST_DIR + 'blacklist.txt'
 TEMPEST_DEFCORE = REPO_PATH + TEST_LIST_DIR + 'defcore_req.txt'
diff --git a/testcases/OpenStack/vPing/vping_util.py b/testcases/OpenStack/vPing/vping_util.py
index e85476e66..cf5a28dbd 100644
--- a/testcases/OpenStack/vPing/vping_util.py
+++ b/testcases/OpenStack/vPing/vping_util.py
@@ -9,39 +9,38 @@ from scp import SCPClient
 
 import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_utils as os_utils
-
 FUNCTEST_REPO = ft_utils.FUNCTEST_REPO
-functest_yaml = ft_utils.get_functest_yaml()
 
-NAME_VM_1 = functest_yaml.get("vping").get("vm_name_1")
-NAME_VM_2 = functest_yaml.get("vping").get("vm_name_2")
+NAME_VM_1 = ft_utils.get_functest_config('vping.vm_name_1')
+NAME_VM_2 = ft_utils.get_functest_config('vping.vm_name_2')
 
 VM_BOOT_TIMEOUT = 180
 VM_DELETE_TIMEOUT = 100
-PING_TIMEOUT = functest_yaml.get("vping").get("ping_timeout")
+PING_TIMEOUT = ft_utils.get_functest_config('vping.ping_timeout')
+
+GLANCE_IMAGE_NAME = ft_utils.get_functest_config('vping.image_name')
+GLANCE_IMAGE_FILENAME = \
+    ft_utils.get_functest_config('general.openstack.image_file_name')
+GLANCE_IMAGE_FORMAT = \
+    ft_utils.get_functest_config('general.openstack.image_disk_format')
+GLANCE_IMAGE_PATH = \
+    ft_utils.get_functest_config('general.directories.dir_functest_data') + \
+    "/" + GLANCE_IMAGE_FILENAME
 
-GLANCE_IMAGE_NAME = functest_yaml.get("vping").get("image_name")
-GLANCE_IMAGE_FILENAME = functest_yaml.get("general").get(
-    "openstack").get("image_file_name")
-GLANCE_IMAGE_FORMAT = functest_yaml.get("general").get(
-    "openstack").get("image_disk_format")
-GLANCE_IMAGE_PATH = functest_yaml.get("general").get("directories").get(
-    "dir_functest_data") + "/" + GLANCE_IMAGE_FILENAME
 
-FLAVOR = functest_yaml.get("vping").get("vm_flavor")
+FLAVOR = ft_utils.get_functest_config('vping.vm_flavor')
 
 # NEUTRON Private Network parameters
-PRIVATE_NET_NAME = functest_yaml.get("vping").get(
-    "vping_private_net_name")
-PRIVATE_SUBNET_NAME = functest_yaml.get("vping").get(
-    "vping_private_subnet_name")
-PRIVATE_SUBNET_CIDR = functest_yaml.get("vping").get(
-    "vping_private_subnet_cidr")
-ROUTER_NAME = functest_yaml.get("vping").get(
-    "vping_router_name")
-
-SECGROUP_NAME = functest_yaml.get("vping").get("vping_sg_name")
-SECGROUP_DESCR = functest_yaml.get("vping").get("vping_sg_descr")
+PRIVATE_NET_NAME = \
+    ft_utils.get_functest_config('vping.vping_private_net_name')
+PRIVATE_SUBNET_NAME = \
+    ft_utils.get_functest_config('vping.vping_private_subnet_name')
+PRIVATE_SUBNET_CIDR = \
+    ft_utils.get_functest_config('vping.vping_private_subnet_cidr')
+ROUTER_NAME = ft_utils.get_functest_config('vping.vping_router_name')
+
+SECGROUP_NAME = ft_utils.get_functest_config('vping.vping_sg_name')
+SECGROUP_DESCR = ft_utils.get_functest_config('vping.vping_sg_descr')
 
 
 neutron_client = None
diff --git a/testcases/features/copper.py b/testcases/features/copper.py
index 50319d965..be6744a95 100755
--- a/testcases/features/copper.py
+++ b/testcases/features/copper.py
@@ -28,10 +28,10 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-COPPER_REPO = functest_utils.get_parameter_from_yaml(
-    'general.directories.dir_repo_copper')
-RESULTS_DIR = functest_utils.get_parameter_from_yaml(
-    'general.directories.dir_results')
+COPPER_REPO = \
+    functest_utils.get_functest_config('general.directories.dir_repo_copper')
+RESULTS_DIR = \
+    functest_utils.get_functest_config('general.directories.dir_results')
 
 logger = ft_logger.Logger("copper").getLogger()
 
diff --git a/testcases/features/doctor.py b/testcases/features/doctor.py
index badcfe605..6c26875d3 100755
--- a/testcases/features/doctor.py
+++ b/testcases/features/doctor.py
@@ -29,10 +29,10 @@ args = parser.parse_args()
 
 functest_yaml = functest_utils.get_functest_yaml()
 
-DOCTOR_REPO = functest_utils.get_parameter_from_yaml(
-    'general.directories.dir_repo_doctor')
-RESULTS_DIR = functest_utils.get_parameter_from_yaml(
-    'general.directories.dir_results')
+DOCTOR_REPO = \
+    functest_utils.get_functest_config('general.directories.dir_repo_doctor')
+RESULTS_DIR = \
+    functest_utils.get_functest_config('general.directories.dir_results')
 
 logger = ft_logger.Logger("doctor").getLogger()
 
diff --git a/testcases/features/domino.py b/testcases/features/domino.py
index 7835c5ce8..75351a56e 100755
--- a/testcases/features/domino.py
+++ b/testcases/features/domino.py
@@ -18,7 +18,7 @@ import argparse
 import time
 
 import functest.utils.functest_logger as ft_logger
-import functest.utils.functest_utils as functest_utils
+import functest.utils.functest_utils as ft_utils
 
 parser = argparse.ArgumentParser()
 
@@ -27,12 +27,11 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-functest_yaml = functest_utils.get_functest_yaml()
 
-dirs = functest_yaml.get('general').get('directories')
-DOMINO_REPO = dirs.get('dir_repo_domino')
-RESULTS_DIR = functest_utils.get_parameter_from_yaml(
-    'general.directories.dir_results')
+DOMINO_REPO = \
+    ft_utils.get_functest_config('general.directories.dir_repo_domino')
+RESULTS_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_results')
 
 logger = ft_logger.Logger("domino").getLogger()
 
@@ -42,9 +41,9 @@ def main():
     log_file = RESULTS_DIR + "/domino.log"
     start_time = time.time()
 
-    ret = functest_utils.execute_command(cmd,
-                                         exit_on_error=False,
-                                         output_file=log_file)
+    ret = ft_utils.execute_command(cmd,
+                                   exit_on_error=False,
+                                   output_file=log_file)
 
     stop_time = time.time()
     duration = round(stop_time - start_time, 1)
@@ -70,17 +69,18 @@ def main():
     elif details['status'] == "SKIPPED":
         status = "SKIP"
 
-    functest_utils.logger_test_results("Domino",
-                                       "domino-multinode",
-                                       status, details)
+    ft_utils.logger_test_results("Domino",
+                                 "domino-multinode",
+                                 status,
+                                 details)
     if args.report:
         if status is not "SKIP":
-            functest_utils.push_results_to_db("domino",
-                                              "domino-multinode",
-                                              start_time,
-                                              stop_time,
-                                              status,
-                                              details)
+            ft_utils.push_results_to_db("domino",
+                                        "domino-multinode",
+                                        start_time,
+                                        stop_time,
+                                        status,
+                                        details)
             logger.info("Domino results pushed to DB")
 
 
diff --git a/testcases/features/promise.py b/testcases/features/promise.py
index 5b23614d6..cce0f5dc1 100755
--- a/testcases/features/promise.py
+++ b/testcases/features/promise.py
@@ -32,34 +32,34 @@ parser.add_argument("-r", "--report",
 args = parser.parse_args()
 
 
-dirs = ft_utils.get_parameter_from_yaml('general.directories')
+dirs = ft_utils.get_functest_config('general.directories')
 PROMISE_REPO = dirs.get('dir_repo_promise')
-RESULTS_DIR = ft_utils.get_parameter_from_yaml(
-    'general.directories.dir_results')
-
-TENANT_NAME = ft_utils.get_parameter_from_yaml('promise.tenant_name')
-TENANT_DESCRIPTION = ft_utils.get_parameter_from_yaml(
-    'promise.tenant_description')
-USER_NAME = ft_utils.get_parameter_from_yaml('promise.user_name')
-USER_PWD = ft_utils.get_parameter_from_yaml('promise.user_pwd')
-IMAGE_NAME = ft_utils.get_parameter_from_yaml('promise.image_name')
-FLAVOR_NAME = ft_utils.get_parameter_from_yaml('promise.flavor_name')
-FLAVOR_VCPUS = ft_utils.get_parameter_from_yaml('promise.flavor_vcpus')
-FLAVOR_RAM = ft_utils.get_parameter_from_yaml('promise.flavor_ram')
-FLAVOR_DISK = ft_utils.get_parameter_from_yaml('promise.flavor_disk')
-
-
-GLANCE_IMAGE_FILENAME = ft_utils.get_parameter_from_yaml(
-    'general.openstack.image_file_name')
-GLANCE_IMAGE_FORMAT = ft_utils.get_parameter_from_yaml(
-    'general.openstack.image_disk_format')
-GLANCE_IMAGE_PATH = ft_utils.get_parameter_from_yaml(
-    'general.directories.dir_functest_data') + "/" + GLANCE_IMAGE_FILENAME
-
-NET_NAME = ft_utils.get_parameter_from_yaml('promise.network_name')
-SUBNET_NAME = ft_utils.get_parameter_from_yaml('promise.subnet_name')
-SUBNET_CIDR = ft_utils.get_parameter_from_yaml('promise.subnet_cidr')
-ROUTER_NAME = ft_utils.get_parameter_from_yaml('promise.router_name')
+RESULTS_DIR = ft_utils.get_functest_config('general.directories.dir_results')
+
+TENANT_NAME = ft_utils.get_functest_config('promise.tenant_name')
+TENANT_DESCRIPTION = \
+    ft_utils.get_functest_config('promise.tenant_description')
+USER_NAME = ft_utils.get_functest_config('promise.user_name')
+USER_PWD = ft_utils.get_functest_config('promise.user_pwd')
+IMAGE_NAME = ft_utils.get_functest_config('promise.image_name')
+FLAVOR_NAME = ft_utils.get_functest_config('promise.flavor_name')
+FLAVOR_VCPUS = ft_utils.get_functest_config('promise.flavor_vcpus')
+FLAVOR_RAM = ft_utils.get_functest_config('promise.flavor_ram')
+FLAVOR_DISK = ft_utils.get_functest_config('promise.flavor_disk')
+
+
+GLANCE_IMAGE_FILENAME = \
+    ft_utils.get_functest_config('general.openstack.image_file_name')
+GLANCE_IMAGE_FORMAT = \
+    ft_utils.get_functest_config('general.openstack.image_disk_format')
+GLANCE_IMAGE_PATH = \
+    ft_utils.get_functest_config('general.directories.dir_functest_data') + \
+    "/" + GLANCE_IMAGE_FILENAME
+
+NET_NAME = ft_utils.get_functest_config('promise.network_name')
+SUBNET_NAME = ft_utils.get_functest_config('promise.subnet_name')
+SUBNET_CIDR = ft_utils.get_functest_config('promise.subnet_cidr')
+ROUTER_NAME = ft_utils.get_functest_config('promise.router_name')
 
 
 """ logging configuration """
diff --git a/testcases/vnf/vIMS/vIMS.py b/testcases/vnf/vIMS/vIMS.py
index c9b1c9ce6..50aa715f4 100755
--- a/testcases/vnf/vIMS/vIMS.py
+++ b/testcases/vnf/vIMS/vIMS.py
@@ -25,7 +25,7 @@ import requests
 from neutronclient.v2_0 import client as ntclient
 
 import functest.utils.functest_logger as ft_logger
-import functest.utils.functest_utils as functest_utils
+import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_utils as os_utils
 from clearwater import clearwater
 from orchestrator import orchestrator
@@ -47,34 +47,40 @@ args = parser.parse_args()
 logger = ft_logger.Logger("vIMS").getLogger()
 
 
-functest_yaml = functest_utils.get_functest_yaml()
-
 # Cloudify parameters
-VIMS_DIR = (functest_utils.FUNCTEST_REPO + '/' +
-            functest_yaml.get("general").get("directories").get("dir_vIMS"))
-VIMS_DATA_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_vIMS_data") + "/"
-VIMS_TEST_DIR = functest_yaml.get("general").get(
-    "directories").get("dir_repo_vims_test") + "/"
-DB_URL = functest_yaml.get("results").get("test_db_url")
-
-TENANT_NAME = functest_yaml.get("vIMS").get("general").get("tenant_name")
-TENANT_DESCRIPTION = functest_yaml.get("vIMS").get(
-    "general").get("tenant_description")
-IMAGES = functest_yaml.get("vIMS").get("general").get("images")
-
-CFY_MANAGER_BLUEPRINT = functest_yaml.get(
-    "vIMS").get("cloudify").get("blueprint")
-CFY_MANAGER_REQUIERMENTS = functest_yaml.get(
-    "vIMS").get("cloudify").get("requierments")
-CFY_INPUTS = functest_yaml.get("vIMS").get("cloudify").get("inputs")
-
-CW_BLUEPRINT = functest_yaml.get("vIMS").get("clearwater").get("blueprint")
-CW_DEPLOYMENT_NAME = functest_yaml.get("vIMS").get(
-    "clearwater").get("deployment-name")
-CW_INPUTS = functest_yaml.get("vIMS").get("clearwater").get("inputs")
-CW_REQUIERMENTS = functest_yaml.get("vIMS").get(
-    "clearwater").get("requierments")
+VIMS_DIR = ft_utils.FUNCTEST_REPO + '/' + \
+           ft_utils.get_functest_config('general.directories.dir_vIMS')
+
+VIMS_DATA_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_vIMS_data') + \
+    '/'
+VIMS_TEST_DIR = \
+    ft_utils.get_functest_config('general.directories.dir_repo_vims_test') + \
+    '/'
+DB_URL = \
+    ft_utils.get_functest_config('results.test_db_url')
+
+TENANT_NAME = \
+    ft_utils.get_functest_config('vIMS.general.tenant_name')
+TENANT_DESCRIPTION = \
+    ft_utils.get_functest_config('vIMS.general.tenant_description')
+IMAGES = \
+    ft_utils.get_functest_config('vIMS.general.images')
+
+CFY_MANAGER_BLUEPRINT = \
+    ft_utils.get_functest_config('vIMS.cloudify.blueprint')
+CFY_MANAGER_REQUIERMENTS = \
+    ft_utils.get_functest_config('vIMS.cloudify.requierments')
+CFY_INPUTS = ft_utils.get_functest_config('vIMS.cloudify.inputs')
+
+CW_BLUEPRINT = \
+    ft_utils.get_functest_config('vIMS.clearwater.blueprint')
+CW_DEPLOYMENT_NAME = \
+    ft_utils.get_functest_config('vIMS.clearwater.deployment-name')
+CW_INPUTS = \
+    ft_utils.get_functest_config('vIMS.clearwater.inputs')
+CW_REQUIERMENTS = \
+    ft_utils.get_functest_config('vIMS.clearwater.requierments')
 
 CFY_DEPLOYMENT_DURATION = 0
 CW_DEPLOYMENT_DURATION = 0
@@ -90,7 +96,7 @@ def download_and_add_image_on_glance(glance, image_name, image_url):
     if not os.path.exists(dest_path):
         os.makedirs(dest_path)
     file_name = image_url.rsplit('/')[-1]
-    if not functest_utils.download_url(image_url, dest_path):
+    if not ft_utils.download_url(image_url, dest_path):
         logger.error("Failed to download image %s" % file_name)
         return False
 
@@ -111,12 +117,12 @@ def step_failure(step_name, error_msg):
     stop_time = time.time()
     if step_name == "sig_test":
         status = "PASS"
-    functest_utils.push_results_to_db("functest",
-                                      "vims",
-                                      TESTCASE_START_TIME,
-                                      stop_time,
-                                      status,
-                                      RESULTS)
+    ft_utils.push_results_to_db("functest",
+                                "vims",
+                                TESTCASE_START_TIME,
+                                stop_time,
+                                status,
+                                RESULTS)
     exit(-1)
 
 
@@ -182,7 +188,7 @@ def test_clearwater():
     logger.info("vIMS functional test Start Time:'%s'" % (
         datetime.datetime.fromtimestamp(start_time_ts).strftime(
             '%Y-%m-%d %H:%M:%S')))
-    nameservers = functest_utils.get_resolvconf_ns()
+    nameservers = ft_utils.get_resolvconf_ns()
     resolvconf = ""
     for ns in nameservers:
         resolvconf += "\nnameserver " + ns
@@ -232,12 +238,12 @@ def test_clearwater():
         except:
             logger.error("Unable to set test status")
 
-        functest_utils.push_results_to_db("functest",
-                                          "vims",
-                                          TESTCASE_START_TIME,
-                                          end_time_ts,
-                                          status,
-                                          RESULTS)
+        ft_utils.push_results_to_db("functest",
+                                    "vims",
+                                    TESTCASE_START_TIME,
+                                    end_time_ts,
+                                    status,
+                                    RESULTS)
 
         try:
             os.remove(VIMS_TEST_DIR + "temp.json")
@@ -385,7 +391,7 @@ def main():
 
     cfy.set_external_network_name(ext_net)
 
-    ns = functest_utils.get_resolvconf_ns()
+    ns = ft_utils.get_resolvconf_ns()
     if ns:
         cfy.set_nameservers(ns)
 
@@ -396,10 +402,10 @@ def main():
 
     logger.info("Prepare virtualenv for cloudify-cli")
     cmd = "chmod +x " + VIMS_DIR + "create_venv.sh"
-    functest_utils.execute_command(cmd)
+    ft_utils.execute_command(cmd)
     time.sleep(3)
     cmd = VIMS_DIR + "create_venv.sh " + VIMS_DATA_DIR
-    functest_utils.execute_command(cmd)
+    ft_utils.execute_command(cmd)
 
     cfy.download_manager_blueprint(
         CFY_MANAGER_BLUEPRINT['url'], CFY_MANAGER_BLUEPRINT['branch'])
diff --git a/testcases/vnf/vRNC/parser.py b/testcases/vnf/vRNC/parser.py
index 5ff207c14..0320b104d 100755
--- a/testcases/vnf/vRNC/parser.py
+++ b/testcases/vnf/vRNC/parser.py
@@ -27,10 +27,10 @@ parser.add_argument("-r", "--report",
                     action="store_true")
 args = parser.parse_args()
 
-PARSER_REPO = functest_utils.get_parameter_from_yaml(
-    'general.directories.dir_repo_parser')
-RESULTS_DIR = functest_utils.get_parameter_from_yaml(
-    'general.directories.dir_results')
+PARSER_REPO = \
+    functest_utils.get_functest_config('general.directories.dir_repo_parser')
+RESULTS_DIR = \
+    functest_utils.get_functest_config('general.directories.dir_results')
 
 logger = ft_logger.Logger("parser").getLogger()
 
diff --git a/utils/functest_utils.py b/utils/functest_utils.py
index 644ad1a1b..c6141d09c 100644
--- a/utils/functest_utils.py
+++ b/utils/functest_utils.py
@@ -152,9 +152,7 @@ def get_db_url():
     """
     Returns DB URL
     """
-    functest_yaml = get_functest_yaml()
-    db_url = functest_yaml.get("results").get("test_db_url")
-    return db_url
+    return get_functest_config('results.test_db_url')
 
 
 def logger_test_results(project, case_name, status, details):
@@ -331,10 +329,8 @@ def get_deployment_dir():
     """
     Returns current Rally deployment directory
     """
-    functest_yaml = get_functest_yaml()
-    deployment_name = functest_yaml.get("rally").get("deployment_name")
-    rally_dir = functest_yaml.get("general").get("directories").get(
-        "dir_rally_inst")
+    deployment_name = get_functest_config('rally.deployment_name')
+    rally_dir = get_functest_config('general.directories.dir_rally_inst')
     cmd = ("rally deployment list | awk '/" + deployment_name +
            "/ {print $2}'")
     p = subprocess.Popen(cmd, shell=True,
@@ -366,18 +362,16 @@ def get_criteria_by_test(testname):
 #               YAML UTILS
 #
 # -----------------------------------------------------------
-def get_parameter_from_yaml(parameter, file=None):
+def get_parameter_from_yaml(parameter, file):
     """
-    Returns the value of a given parameter in config_functest.yaml
+    Returns the value of a given parameter in file.yaml
     parameter must be given in string format with dots
     Example: general.openstack.image_name
     """
-    if file is None:
-        file = os.environ["CONFIG_FUNCTEST_YAML"]
     with open(file) as f:
-        functest_yaml = yaml.safe_load(f)
+        file_yaml = yaml.safe_load(f)
     f.close()
-    value = functest_yaml
+    value = file_yaml
     for element in parameter.split("."):
         value = value.get(element)
         if value is None:
@@ -386,6 +380,11 @@ def get_parameter_from_yaml(parameter, file=None):
     return value
 
 
+def get_functest_config(parameter):
+    yaml_ = os.environ["CONFIG_FUNCTEST_YAML"]
+    return get_parameter_from_yaml(parameter, yaml_)
+
+
 def check_success_rate(case_name, success_rate):
     success_rate = float(success_rate)
     criteria = get_criteria_by_test(case_name)
diff --git a/utils/openstack_clean.py b/utils/openstack_clean.py
index ef26be1f3..bf582dea2 100755
--- a/utils/openstack_clean.py
+++ b/utils/openstack_clean.py
@@ -29,8 +29,8 @@ import yaml
 
 logger = ft_logger.Logger("openstack_clean").getLogger()
 
-OS_SNAPSHOT_FILE = ft_utils.get_parameter_from_yaml(
-    "general.openstack.snapshot_file")
+OS_SNAPSHOT_FILE = \
+    ft_utils.get_functest_config("general.openstack.snapshot_file")
 
 
 def separator():
diff --git a/utils/openstack_snapshot.py b/utils/openstack_snapshot.py
index 236cf74e5..560cadbdb 100755
--- a/utils/openstack_snapshot.py
+++ b/utils/openstack_snapshot.py
@@ -29,8 +29,8 @@ import yaml
 logger = ft_logger.Logger("openstack_snapshot").getLogger()
 
 
-OS_SNAPSHOT_FILE = ft_utils.get_parameter_from_yaml(
-    "general.openstack.snapshot_file")
+OS_SNAPSHOT_FILE = \
+    ft_utils.get_functest_config("general.openstack.snapshot_file")
 
 
 def separator():