Kubeconfig module improvement (#1123) (#1131)

* Add kubeconfig module for managing Kubernetes config files

* Remove unnecessary requirement & Change version

* Move functions to module_utils

* Add unit tests

* Add kubeconfig module for managing Kubernetes config files

* Remove unnecessary requirement & Change version

* Move functions to module_utils

* Add unit tests

* Avoid linter errors

* Improve documentation clarity

* Redact sensitive kubeconfig information

* Imprvoe verbosity

* Move import statement for to_native to avoid linters check failure

* Fix linting error

* Add remove behavior

* Add tests for remove behavior

* Imporve documentation

* Add changelog

---------


(cherry picked from commit 53c6c0ee80)

Co-authored-by: Youssef Ali <154611350+YoussefKhalidAli@users.noreply.github.com>
Co-authored-by: Bianca Henderson <bianca@redhat.com>

tests/unit/module_utils/test_kubeconfig.py

@@ -141,6 +141,39 @@ def test_merge_by_name_keep_behavior_preserves_existing():
     assert result[0]["cluster"]["server"] == "https://old.com"
 
 
+def test_merge_by_name_remove_behavior_removes_existing_entry():
+    existing = [{"name": "cluster-a", "cluster": {"server": "https://a.com"}}]
+    new = [{"name": "cluster-a", "behavior": "remove"}]
+    result = merge_by_name(existing, new)
+    assert result == []
+
+
+def test_merge_by_name_remove_behavior_only_removes_target_entry():
+    existing = [
+        {"name": "cluster-a", "cluster": {"server": "https://a.com"}},
+        {"name": "cluster-b", "cluster": {"server": "https://b.com"}},
+    ]
+    new = [{"name": "cluster-a", "behavior": "remove"}]
+    result = merge_by_name(existing, new)
+    assert len(result) == 1
+    assert result[0]["name"] == "cluster-b"
+
+
+def test_merge_by_name_remove_behavior_silently_skips_nonexistent_entry():
+    existing = [{"name": "cluster-a", "cluster": {"server": "https://a.com"}}]
+    new = [{"name": "cluster-nonexistent", "behavior": "remove"}]
+    result = merge_by_name(existing, new)
+    assert len(result) == 1
+    assert result[0]["name"] == "cluster-a"
+
+
+def test_merge_by_name_remove_behavior_on_empty_existing():
+    existing = []
+    new = [{"name": "cluster-a", "behavior": "remove"}]
+    result = merge_by_name(existing, new)
+    assert result == []
+
+
 def test_merge_by_name_behavior_key_not_in_output():
     existing = []
     new = [