[pytest/creds]: load groups vars into creds for the dut (#1575)

Signed-off-by: Guohan Lu <[email protected]>

tests/conftest.py

@@ -85,12 +85,12 @@ def pytest_addoption(parser):
     ############################
     # test_techsupport options #
     ############################
-    
+
     parser.addoption("--loop_num", action="store", default=10, type=int,
                     help="Change default loop range for show techsupport command")
     parser.addoption("--loop_delay", action="store", default=10, type=int,
                     help="Change default loops delay")
-    parser.addoption("--logs_since", action="store", type=int, 
+    parser.addoption("--logs_since", action="store", type=int,
                     help="number of minutes for show techsupport command")
 
 
@@ -234,9 +234,11 @@ def eos():
 @pytest.fixture(scope="module")
 def creds(duthost):
     """ read credential information according to the dut inventory """
-    inv   = duthost.host.options['inventory'].split('/')[-1]
-    files = glob.glob("../ansible/group_vars/{}/*.yml".format(inv))
-    files += glob.glob("../ansible/group_vars/all/*.yml")
+    groups = duthost.host.options['inventory_manager'].get_host(duthost.hostname).get_vars()['group_names']
+    logger.info("dut {} belongs to groups {}".format(duthost.hostname, groups))
+    files = glob.glob("../ansible/group_vars/all/*.yml")
+    for group in groups:
+        files += glob.glob("../ansible/group_vars/{}/*.yml".format(group))
     creds = {}
     for f in files:
         with open(f) as stream:

tests/veos.vtb

@@ -55,6 +55,11 @@ server_1
 [servers:vars]
 topologies=['t1', 't1-lag', 't1-64-lag', 't1-64-lag-clet', 't0', 't0-16', 't0-56', 't0-52', 'ptf32', 'ptf64', 't0-64', 't0-64-32', 't0-116']
 
+[lab]
+vlab-01
+vlab-02
+vlab-03
+
 [sonic]
 vlab-01 ansible_host=10.250.0.101 type=kvm hwsku=Force10-S6000 ansible_password=password ansible_user=admin
 vlab-02 ansible_host=10.250.0.102 type=kvm hwsku=Force10-S6100 ansible_password=password