Load files from adopt file when adopt stack

Add files from adopt file into create fields. This allow us to
adopt nested stack which the template defined in files.
Story: #1700744
Task: #17263

Change-Id: I2b473791186949d49be59ee790185b3e394c7000

1 files changed, 5 insertions, 2 deletions

diff --git a/heatclient/osc/v1/stack.py b/heatclient/osc/v1/stack.py
index 3817bea..bdf7f5f 100644
--- a/heatclient/osc/v1/stack.py
+++ b/heatclient/osc/v1/stack.py
@@ -22,6 +22,7 @@ from osc_lib import utils
 from oslo_serialization import jsonutils
 import six
 from six.moves.urllib import request
+import yaml
 
 from heatclient._i18n import _
 from heatclient.common import event_utils
@@ -822,13 +823,15 @@ class AdoptStack(command.ShowOne):
         adopt_url = heat_utils.normalise_file_path_to_url(
             parsed_args.adopt_file)
         adopt_data = request.urlopen(adopt_url).read().decode('utf-8')
-
+        yaml_adopt_data = yaml.safe_load(adopt_data) or {}
+        files = yaml_adopt_data.get('files', {})
+        files.update(env_files)
         fields = {
             'stack_name': parsed_args.name,
             'disable_rollback': not parsed_args.enable_rollback,
             'adopt_stack_data': adopt_data,
             'parameters': heat_utils.format_parameters(parsed_args.parameter),
-            'files': dict(list(env_files.items())),
+            'files': files,
             'environment': env,
             'timeout': parsed_args.timeout
         }