feat(inventory): Use OCP projects if available

If no namespaces were specified in the inventory config try to get all
available namespaces by trying to list OCP projects first. If the resource
was not found (no OCP cluster) fall back to regular namespaces.

Signed-off-by: Felix Matouschek <fmatouschek@redhat.com>

tests/unit/plugins/inventory/conftest.py

@@ -8,6 +8,7 @@ __metaclass__ = type
 
 import pytest
 
+from kubernetes.dynamic.exceptions import ResourceNotFoundError
 from kubernetes.dynamic.resource import ResourceField
 
 from ansible.template import Templar
@@ -113,6 +114,9 @@ def client(mocker, request):
     dns_obj = ResourceField({"spec": {"baseDomain": base_domain}})
     dns.items = [dns_obj]
 
+    projects = mocker.Mock()
+    projects.items = [ResourceField(item) for item in param.get("projects", [])]
+
     namespace_client = mocker.Mock()
     namespace_client.get = mocker.Mock(return_value=namespaces)
     vm_client = mocker.Mock()
@@ -130,6 +134,14 @@ def client(mocker, request):
     dns_client = mocker.Mock()
     dns_client.get = dns_client_get
 
+    def project_client_get():
+        if not projects.items:
+            raise ResourceNotFoundError
+        return projects
+
+    project_client = mocker.Mock()
+    project_client.get = project_client_get
+
     def resources_get(api_version="", kind=""):
         if api_version.lower() == "v1":
             if kind.lower() == "namespace":
@@ -138,6 +150,11 @@ def client(mocker, request):
                 return service_client
         elif api_version.lower() == "config.openshift.io/v1" and kind.lower() == "dns":
             return dns_client
+        elif (
+            api_version.lower() == "project.openshift.io/v1"
+            and kind.lower() == "project"
+        ):
+            return project_client
         elif "kubevirt.io/" in api_version.lower():
             if kind.lower() == "virtualmachine":
                 return vm_client

tests/unit/plugins/inventory/test_kubevirt_get_resources.py

@@ -63,6 +63,27 @@ def test_get_resources(inventory, client):
             },
             [DEFAULT_NAMESPACE, "test"],
         ),
+        (
+            {
+                "projects": [
+                    {"metadata": {"name": DEFAULT_NAMESPACE}},
+                    {"metadata": {"name": "testproject"}},
+                ]
+            },
+            [DEFAULT_NAMESPACE, "testproject"],
+        ),
+        (
+            {
+                "namespaces": [
+                    {"metadata": {"name": DEFAULT_NAMESPACE}},
+                    {"metadata": {"name": "test"}},
+                ],
+                "projects": [
+                    {"metadata": {"name": "testproject"}},
+                ],
+            },
+            ["testproject"],
+        ),
     ],
     indirect=["client"],
 )