VMware: vmware_guest template find (#35088)

This fix adds logic to find unique virtual machine template using name.

Fixes: #26669

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

lib/ansible/module_utils/vmware.py

@@ -1000,6 +1000,37 @@ class PyVmomi(object):
             folder_name = '/' + folder_name
         return folder_name
 
+    def get_vm_or_template(self, template_name=None):
+        """
+        Function to find the virtual machine or virtual machine template using name
+        used for cloning purpose.
+        Args:
+            template_name: Name of virtual machine or virtual machine template
+
+        Returns: virtual machine or virtual machine template object
+
+        """
+        template_obj = None
+
+        if template_name:
+            objects = self.get_managed_objects_properties(vim_type=vim.VirtualMachine, properties=['name'])
+            templates = []
+
+            for temp_vm_object in objects:
+                if len(temp_vm_object.propSet) != 1:
+                    continue
+                for temp_vm_object_property in temp_vm_object.propSet:
+                    if temp_vm_object_property.val == template_name:
+                        templates.append(temp_vm_object.obj)
+                        break
+
+            if len(templates) > 1:
+                # We have found multiple virtual machine templates
+                self.module.fail_json(msg="Multiple virtual machines or templates with same name [%s] found." % template_name)
+            elif templates:
+                template_obj = templates[0]
+        return template_obj
+
     # Cluster related functions
     def find_cluster_by_name(self, cluster_name, datacenter_name=None):
         """