VMware: Additional testcase for mem_reservation (#59365)

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/modules/cloud/vmware/vmware_guest.py

@@ -896,7 +896,9 @@ class PyVmomiHelper(PyVmomi):
                     rai_change_detected = True
 
             if 'mem_reservation' in self.params['hardware'] or 'memory_reservation' in self.params['hardware']:
-                mem_reservation = self.params['hardware'].get('mem_reservation') or self.params['hardware'].get('memory_reservation')
+                mem_reservation = self.params['hardware'].get('mem_reservation')
+                if mem_reservation is None:
+                    mem_reservation = self.params['hardware'].get('memory_reservation')
                 try:
                     mem_reservation = int(mem_reservation)
                 except ValueError:

test/integration/targets/vmware_guest/tasks/main.yml

@@ -116,6 +116,10 @@
         - newvm_mk_conn_DC0_H0_VM1
         - newvm_mem_res_DC0_H0_VM0
         - newvm_mem_res_DC0_H0_VM1
+        - newvm_no_mem_DC0_H0_VM0
+        - newvm_no_mem_DC0_H0_VM1
+        - memory_res_DC0_H0_VM0
+        - memory_res_DC0_H0_VM1
         - thin_DC0_H0_VM0
         - thin_DC0_H0_VM1
         - thick_DC0_H0_VM0

test/integration/targets/vmware_guest/tasks/mem_reservation.yml

@@ -44,3 +44,85 @@
       assert:
         that:
           - "mem_reserve_result_0002.results|map(attribute='changed')|unique|list == [false]"
+
+    - &add_memory_reserve
+      name: Create new VMs with memory_reservation as 0
+      vmware_guest:
+        validate_certs: False
+        hostname: "{{ vcenter_hostname }}"
+        username: "{{ vcenter_username }}"
+        password: "{{ vcenter_password }}"
+        name: "{{ 'memory_res_' + item.name }}"
+        guest_id: centos64Guest
+        datacenter: "{{ dc1 }}"
+        hardware:
+          num_cpus: 4
+          memory_mb: 512
+          memory_reservation: 0
+        disk:
+          - size: 1gb
+            type: thin
+            autoselect_datastore: True
+        state: present
+        folder: "{{ item.folder }}"
+      with_items: "{{ virtual_machines }}"
+      register: memory_reserve_result_0003
+
+    - debug: var=memory_reserve_result_0003
+
+    - name: Assert that changes were made
+      assert:
+        that:
+          - "memory_reserve_result_0003.results|map(attribute='changed')|unique|list == [true]"
+
+    - <<: *add_memory_reserve
+      name: Again create new VMs with memory_reservation as 0
+      register: memory_reserve_result_0004
+
+    - debug: var=memory_reserve_result_0004
+
+    - name: Assert that changes were not made
+      assert:
+        that:
+          - "memory_reserve_result_0004.results|map(attribute='changed')|unique|list == [false]"
+
+    - &no_memory_reserve
+      name: Create new VMs without memory_reservation or mem_reservation
+      vmware_guest:
+        validate_certs: False
+        hostname: "{{ vcenter_hostname }}"
+        username: "{{ vcenter_username }}"
+        password: "{{ vcenter_password }}"
+        name: "{{ 'newvm_no_mem_' + item.name }}"
+        guest_id: centos64Guest
+        datacenter: "{{ dc1 }}"
+        hardware:
+          num_cpus: 4
+          memory_mb: 512
+          memory_reservation: 0
+        disk:
+          - size: 1gb
+            type: thin
+            autoselect_datastore: True
+        state: present
+        folder: "{{ item.folder }}"
+      with_items: "{{ virtual_machines }}"
+      register: no_memory_reserve_result_0005
+
+    - debug: var=no_memory_reserve_result_0005
+
+    - name: Assert that changes were made
+      assert:
+        that:
+          - "no_memory_reserve_result_0005.results|map(attribute='changed')|unique|list == [true]"
+
+    - <<: *no_memory_reserve
+      name: Again create new VMs without memory_reservation or mem_reservation
+      register: no_memory_reserve_result_0006
+
+    - debug: var=no_memory_reserve_result_0006
+
+    - name: Assert that changes were not made
+      assert:
+        that:
+          - "no_memory_reserve_result_0006.results|map(attribute='changed')|unique|list == [false]"