Add support for heat stack metadata (#34573)

This commit adds support for heat tag metadata when creating a new
stack.

lib/ansible/modules/cloud/openstack/os_stack.py

@@ -34,6 +34,12 @@ options:
       description:
         - Name of the stack that should be created, name could be char and digit, no space
       required: true
+    tag:
+      description:
+        - Tag for the stack that should be created, name could be char and digit, no space
+      required: false
+      default: None
+      version_added: "2.5"
     template:
       description:
         - Path of the template file to use for the stack creation
@@ -74,6 +80,7 @@ EXAMPLES = '''
   register: stack_create
   os_stack:
     name: "{{ stack_name }}"
+    tag: "{{ tag_name }}"
     state: present
     template: "/path/to/my_stack.yaml"
     environment:
@@ -166,6 +173,7 @@ from ansible.module_utils.openstack import openstack_full_argument_spec, opensta
 def _create_stack(module, stack, cloud):
     try:
         stack = cloud.create_stack(module.params['name'],
+                                   tags=module.params['tag'],
                                    template_file=module.params['template'],
                                    environment_files=module.params['environment'],
                                    timeout=module.params['timeout'],
@@ -216,6 +224,7 @@ def main():
 
     argument_spec = openstack_full_argument_spec(
         name=dict(required=True),
+        tag=dict(required=False, default=None),
         template=dict(default=None),
         environment=dict(default=None, type='list'),
         parameters=dict(default={}, type='dict'),
@@ -229,6 +238,12 @@ def main():
                            supports_check_mode=True,
                            **module_kwargs)
 
+    tag = module.params['tag']
+    if tag is not None:
+        # stack tag API was introduced in 1.26.0
+        if not HAS_SHADE or (StrictVersion(shade.__version__) < StrictVersion('1.26.0')):
+            module.fail_json(msg='shade 1.26.0 or higher is required for this module')
+    else:
         # stack API introduced in 1.8.0
         if not HAS_SHADE or (StrictVersion(shade.__version__) < StrictVersion('1.8.0')):
             module.fail_json(msg='shade 1.8.0 or higher is required for this module')