Remove omit from template resource (#432) (#443)

[backport/2.3] Remove omit from template resource (#432)

Depends-On: #446
Remove omit value from template args
SUMMARY
While defining resource using template parameter, the code does not remove the omit value if any.
This fix adds a post process to remove any omit value from the resource definition.
fixes #431
ISSUE TYPE
Bugfix Pull Request
COMPONENT NAME
k8s*
Reviewed-by: Mike Graves mgraves@redhat.com
Reviewed-by: Abhijeet Kasurde 
(cherry picked from commit 882e672)

tests/unit/action/test_remove_omit.py

@@ -0,0 +1,104 @@
+# -*- coding: utf-8 -*-
+# Copyright: (c) 2022, Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+from datetime import datetime
+from ansible_collections.kubernetes.core.plugins.action.k8s_info import RemoveOmit
+
+
+def get_omit_token():
+    return "__omit_place_holder__%s" % datetime.now().strftime("%Y%m%d%H%M%S")
+
+
+def test_remove_omit_from_str():
+    omit_token = get_omit_token()
+    src = """
+        project: ansible
+        collection: {omit}
+    """.format(
+        omit=omit_token
+    )
+    result = RemoveOmit(src, omit_value=omit_token).output()
+    assert len(result) == 1
+    assert result[0] == dict(project="ansible")
+
+
+def test_remove_omit_from_list():
+    omit_token = get_omit_token()
+    src = """
+        items:
+          - {omit}
+    """.format(
+        omit=omit_token
+    )
+    result = RemoveOmit(src, omit_value=omit_token).output()
+    assert len(result) == 1
+    assert result[0] == dict(items=[])
+
+
+def test_remove_omit_from_list_of_dict():
+    omit_token = get_omit_token()
+    src = """
+        items:
+          - owner: ansible
+            team: {omit}
+          - simple_list_item
+    """.format(
+        omit=omit_token
+    )
+    result = RemoveOmit(src, omit_value=omit_token).output()
+    assert len(result) == 1
+    assert result[0] == dict(items=[dict(owner="ansible"), "simple_list_item"])
+
+
+def test_remove_omit_combined():
+    omit_token = get_omit_token()
+    src = """
+        items:
+          - {omit}
+          - list_item_a
+          - list_item_b
+        parent:
+          child:
+            subchilda: {omit}
+            subchildb:
+                name: {omit}
+                age: 3
+    """.format(
+        omit=omit_token
+    )
+    result = RemoveOmit(src, omit_value=omit_token).output()
+    assert len(result) == 1
+    assert result[0] == dict(
+        items=["list_item_a", "list_item_b"],
+        parent=dict(child=dict(subchildb=dict(age=3))),
+    )
+
+
+def test_remove_omit_mutiple_documents():
+    omit_token = get_omit_token()
+    src = [
+        """
+    project: ansible
+    collection: {omit}
+    """.format(
+            omit=omit_token
+        ),
+        "---",
+        """
+    project: kubernetes
+    environment: production
+    collection: {omit}""".format(
+            omit=omit_token
+        ),
+    ]
+    src = "\n".join(src)
+    print(src)
+    result = RemoveOmit(src, omit_value=omit_token).output()
+    assert len(result) == 2
+    assert result[0] == dict(project="ansible")
+    assert result[1] == dict(project="kubernetes", environment="production")