Add OpenShift Virtualization Inventory source option (#15047)

Co-authored-by: Hao Liu <44379968+TheRealHaoLiu@users.noreply.github.com>

awx/main/tests/data/inventory/plugins/openshift_virtualization/env.json

@@ -0,0 +1,5 @@
+{
+    "K8S_AUTH_HOST": "https://foo.invalid",
+    "K8S_AUTH_API_KEY": "fooo",
+    "K8S_AUTH_VERIFY_SSL": "False"
+}

awx/main/tests/functional/test_inventory_source_injectors.py

@@ -46,6 +46,8 @@ def generate_fake_var(element):
 
 def credential_kind(source):
     """Given the inventory source kind, return expected credential kind"""
+    if source == 'openshift_virtualization':
+        return 'kubernetes_bearer_token'
     return source.replace('ec2', 'aws')