k8s: turn off wait in check_mode (#51310)

lib/ansible/module_utils/k8s/raw.py

@@ -224,6 +224,7 @@ class KubernetesRawModule(KubernetesAnsibleModule):
                 return result
             else:
                 # Delete the object
+                result['changed'] = True
                 if not self.check_mode:
                     try:
                         k8s_obj = resource.delete(**params)
@@ -231,12 +232,11 @@ class KubernetesRawModule(KubernetesAnsibleModule):
                     except DynamicApiError as exc:
                         self.fail_json(msg="Failed to delete object: {0}".format(exc.body),
                                        error=exc.status, status=exc.status, reason=exc.reason)
-                result['changed'] = True
-                if wait:
-                    success, resource, duration = self.wait(resource, definition, wait_timeout, 'absent')
-                    result['duration'] = duration
-                    if not success:
-                        self.fail_json(msg="Resource deletion timed out", **result)
+                    if wait:
+                        success, resource, duration = self.wait(resource, definition, wait_timeout, 'absent')
+                        result['duration'] = duration
+                        if not success:
+                            self.fail_json(msg="Resource deletion timed out", **result)
                 return result
         else:
             if not existing:
@@ -259,7 +259,7 @@ class KubernetesRawModule(KubernetesAnsibleModule):
                         self.fail_json(msg=msg, error=exc.status, status=exc.status, reason=exc.reason)
                 success = True
                 result['result'] = k8s_obj
-                if wait:
+                if wait and not self.check_mode:
                     success, result['result'], result['duration'] = self.wait(resource, definition, wait_timeout)
                 result['changed'] = True
                 result['method'] = 'create'

test/integration/targets/k8s/playbooks/roles/k8s/tasks/waiter.yml

@@ -63,6 +63,33 @@
         that:
           - ds.result.status.currentNumberScheduled == ds.result.status.desiredNumberScheduled
 
+    - name: update a daemonset in check_mode
+      k8s:
+        definition:
+          apiVersion: extensions/v1beta1
+          kind: DaemonSet
+          metadata:
+            name: wait-daemonset
+            namespace: "{{ wait_namespace }}"
+          spec:
+            selector:
+              matchLabels:
+                app: "{{ wait_pod_name }}"
+            updateStrategy:
+              type: RollingUpdate
+            template: "{{ wait_pod_template }}"
+        wait: yes
+        wait_timeout: 180
+      vars:
+        wait_pod_name: wait-ds
+        wait_pod_image: gcr.io/kuar-demo/kuard-amd64:2
+      register: update_ds_check_mode
+
+    - name: check that check_mode returned changed
+      assert:
+        that:
+          - update_ds_check_mode is changed
+
     - name: update a daemonset
       k8s:
         definition: