Currently it's not possible to migrate the VMs if the automatic (#47612)

migration is disabled. The PR adds new option to force migrate
the VMs. This is required for hosted engine migration since
automatic migration is disabled for HE VM by default.

lib/ansible/modules/cloud/ovirt/ovirt_vm.py

@@ -576,6 +576,11 @@ options:
             - C(directory) - The name of the directory where the OVA has to be exported.
             - C(filename) - The name of the exported OVA file.
         version_added: "2.8"
+    force_migrate:
+        description:
+            - "If I(true), the VM will migrate even if it is defined as non-migratable."
+        version_added: "2.8"
+        type: bool
 
 notes:
     - If VM is in I(UNASSIGNED) or I(UNKNOWN) state before any operation, the module will fail.
@@ -1374,7 +1379,7 @@ class VmsModule(BaseModule):
                 current_vm_host = hosts_service.host_service(entity.host.id).get().name
                 if vm_host != current_vm_host:
                     if not self._module.check_mode:
-                        vm_service.migrate(host=otypes.Host(name=vm_host))
+                        vm_service.migrate(host=otypes.Host(name=vm_host), force=self.param('force_migrate'))
                         self._wait_for_UP(vm_service)
                     self.changed = True
 
@@ -2043,6 +2048,7 @@ def main():
         exclusive=dict(type='bool'),
         export_domain=dict(default=None),
         export_ova=dict(type='dict'),
+        force_migrate=dict(type='bool'),
     )
     module = AnsibleModule(
         argument_spec=argument_spec,