Remove duplicated code related to snaps creds

Add support for providing credentials in snaps_utils.

JIRA: FUNCTEST-916

Change-Id: I3e027229d213d3791a115920f7012309cc027712
Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

4 files changed, 22 insertions, 36 deletions

diff --git a/functest/opnfv_tests/openstack/rally/rally.py b/functest/opnfv_tests/openstack/rally/rally.py
index b3aaab659..59a670952 100644
--- a/functest/opnfv_tests/openstack/rally/rally.py
+++ b/functest/opnfv_tests/openstack/rally/rally.py
@@ -36,7 +36,6 @@ from snaps.config.network import NetworkConfig, SubnetConfig
 from snaps.config.router import RouterConfig
 
 from snaps.openstack.create_flavor import OpenStackFlavor
-from snaps.openstack.tests import openstack_tests
 from snaps.openstack.utils import deploy_utils
 
 LOGGER = logging.getLogger(__name__)
@@ -92,20 +91,8 @@ class RallyBase(testcase.TestCase):
     def __init__(self, **kwargs):
         """Initialize RallyBase object."""
         super(RallyBase, self).__init__(**kwargs)
-        if 'os_creds' in kwargs:
-            self.os_creds = kwargs['os_creds']
-        else:
-            creds_override = None
-            if hasattr(CONST, 'snaps_os_creds_override'):
-                creds_override = CONST.__getattribute__(
-                    'snaps_os_creds_override')
-
-            self.os_creds = openstack_tests.get_credentials(
-                os_env_file=CONST.__getattribute__('openstack_creds'),
-                overrides=creds_override)
-
+        self.os_creds = kwargs.get('os_creds') or snaps_utils.get_credentials()
         self.guid = '-' + str(uuid.uuid4())
-
         self.creators = []
         self.mode = ''
         self.summary = []
diff --git a/functest/opnfv_tests/openstack/snaps/snaps_test_runner.py b/functest/opnfv_tests/openstack/snaps/snaps_test_runner.py
index 94c8af85d..a2dadb759 100644
--- a/functest/opnfv_tests/openstack/snaps/snaps_test_runner.py
+++ b/functest/opnfv_tests/openstack/snaps/snaps_test_runner.py
@@ -17,7 +17,6 @@ from functest.opnfv_tests.openstack.snaps import snaps_utils
 from functest.utils.constants import CONST
 
 from snaps.openstack import create_flavor
-from snaps.openstack.tests import openstack_tests
 
 
 class SnapsTestRunner(unit.Suite):
@@ -29,17 +28,7 @@ class SnapsTestRunner(unit.Suite):
     def __init__(self, **kwargs):
         super(SnapsTestRunner, self).__init__(**kwargs)
         self.logger = logging.getLogger(__name__)
-        if 'os_creds' in kwargs:
-            self.os_creds = kwargs['os_creds']
-        else:
-            creds_override = None
-            if hasattr(CONST, 'snaps_os_creds_override'):
-                creds_override = CONST.__getattribute__(
-                    'snaps_os_creds_override')
-            self.os_creds = openstack_tests.get_credentials(
-                os_env_file=CONST.__getattribute__('openstack_creds'),
-                proxy_settings_str=None, ssh_proxy_cmd=None,
-                overrides=creds_override)
+        self.os_creds = kwargs.get('os_creds') or snaps_utils.get_credentials()
 
         if 'ext_net_name' in kwargs:
             self.ext_net_name = kwargs['ext_net_name']
diff --git a/functest/opnfv_tests/openstack/snaps/snaps_utils.py b/functest/opnfv_tests/openstack/snaps/snaps_utils.py
index 1153b63df..6b0ee497c 100644
--- a/functest/opnfv_tests/openstack/snaps/snaps_utils.py
+++ b/functest/opnfv_tests/openstack/snaps/snaps_utils.py
@@ -11,6 +11,7 @@
 
 from functest.utils.constants import CONST
 
+from snaps.openstack.tests import openstack_tests
 from snaps.openstack.utils import neutron_utils, nova_utils
 
 
@@ -40,3 +41,21 @@ def get_active_compute_cnt(os_creds):
     nova = nova_utils.nova_client(os_creds)
     computes = nova_utils.get_availability_zone_hosts(nova, zone_name='nova')
     return len(computes)
+
+
+def get_credentials(proxy_settings_str=None, ssh_proxy_cmd=None):
+    """
+    Returns snaps OSCreds object instance
+    :param: proxy_settings_str: proxy settings string <host>:<port>
+    :param: ssh_proxy_cmd: the SSH proxy command for the environment
+    :return: an instance of snaps OSCreds object
+    """
+    creds_override = None
+    if hasattr(CONST, 'snaps_os_creds_override'):
+        creds_override = CONST.__getattribute__(
+            'snaps_os_creds_override')
+    os_creds = openstack_tests.get_credentials(
+        os_env_file=CONST.__getattribute__('openstack_creds'),
+        proxy_settings_str=proxy_settings_str, ssh_proxy_cmd=ssh_proxy_cmd,
+        overrides=creds_override)
+    return os_creds
diff --git a/functest/opnfv_tests/openstack/vping/vping_base.py b/functest/opnfv_tests/openstack/vping/vping_base.py
index b99fdf6b7..7170101f5 100644
--- a/functest/opnfv_tests/openstack/vping/vping_base.py
+++ b/functest/opnfv_tests/openstack/vping/vping_base.py
@@ -40,16 +40,7 @@ class VPingBase(testcase.TestCase):
     def __init__(self, **kwargs):
         super(VPingBase, self).__init__(**kwargs)
         self.logger = logging.getLogger(__name__)
-        if 'os_creds' in kwargs:
-            self.os_creds = kwargs['os_creds']
-        else:
-            creds_override = getattr(
-                CONST, 'snaps_os_creds_override') if hasattr(
-                    CONST, 'snaps_os_creds_override') else None
-            self.os_creds = openstack_tests.get_credentials(
-                os_env_file=getattr(CONST, 'openstack_creds'),
-                overrides=creds_override)
-
+        self.os_creds = kwargs.get('os_creds') or snaps_utils.get_credentials()
         self.creators = list()
         self.image_creator = None
         self.network_creator = None