diff options
Diffstat (limited to 'heat/engine/stack_resource.py')
| -rw-r--r-- | heat/engine/stack_resource.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/heat/engine/stack_resource.py b/heat/engine/stack_resource.py index fa2911203..195c814f8 100644 --- a/heat/engine/stack_resource.py +++ b/heat/engine/stack_resource.py @@ -11,7 +11,10 @@ # License for the specific language governing permissions and limitations # under the License. +import hashlib + from oslo.config import cfg +from oslo.serialization import jsonutils from heat.common import environment_format from heat.common import exception @@ -353,3 +356,10 @@ class StackResource(resource.Resource): def _resolve_attribute(self, name): return self.get_output(name) + + def implementation_signature(self): + schema_names = ([prop for prop in self.properties_schema] + + [at for at in self.attributes_schema]) + schema_hash = hashlib.sha1(';'.join(schema_names)) + templ_hash = hashlib.sha1(jsonutils.dumps(self.child_template())) + return (schema_hash.hexdigest(), templ_hash.hexdigest()) |