Honor 'hidden' parameter in 'stack environment show' command

Related-Bug: #1999665
Story: 2010484
Task: 47052
Change-Id: Ifc51ff6a4deab05002ccded59383416f9a586aa0

heat/engine/service.py

@@ -12,6 +12,7 @@
 #    under the License.
 
 import collections
+import copy
 import datetime
 import functools
 import itertools
@@ -1354,7 +1355,16 @@ class EngineService(service.ServiceBase):
         :rtype: dict
         """
         s = self._get_stack(cnxt, stack_identity, show_deleted=True)
-        return s.raw_template.environment
+        tmpl = templatem.Template.load(cnxt, s.raw_template_id, s.raw_template)
+        param_schemata = tmpl.all_param_schemata(tmpl.files)
+        env = copy.deepcopy(s.raw_template.environment)
+        for section in [env_fmt.PARAMETERS, env_fmt.PARAMETER_DEFAULTS]:
+            for param_name in env.get(section, {}).keys():
+                if (param_name not in param_schemata
+                        or not param_schemata[param_name].hidden):
+                    continue
+                env[section][param_name] = str('******')
+        return env
 
     @context.request_context
     def get_files(self, cnxt, stack_identity):

heat/tests/test_engine_service.py

@@ -978,11 +978,12 @@ class StackServiceTest(common.HeatTestCase):
         env = {'parameters': {'KeyName': 'EnvKey'}}
         tmpl = templatem.Template(t)
         stack = parser.Stack(self.ctx, 'get_env_stack', tmpl)
+        stack.store()
 
         mock_get_stack = self.patchobject(self.eng, '_get_stack')
         mock_get_stack.return_value = mock.MagicMock()
         mock_get_stack.return_value.raw_template.environment = env
-        self.patchobject(parser.Stack, 'load', return_value=stack)
+        self.patchobject(templatem.Template, 'load', return_value=tmpl)
 
         # Test
         found = self.eng.get_environment(self.ctx, stack.identifier())

releasenotes/notes/honor-hidden-parameter-in-stack-env-show-cmd-062065545dfef82a.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Honor ``hidden`` parameter in ``stack environment show`` command