Record server.id in server creation exception

If an error happens in the initial creation, no id is returned
to the server can't be cleaned up.

Change-Id: Ieb818dcf9ded062f016a3f96342f320dc203edd0

releasenotes/notes/server-create-error-id-66c698c7e633fb8b.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - server creation errors now include the server id in the
+    Exception to allow people to clean up.

shade/exc.py

@@ -54,6 +54,16 @@ class OpenStackCloudException(Exception):
         return message
 
 
+class OpenStackCloudCreateException(OpenStackCloudException):
+
+    def __init__(self, resource, resource_id, extra_data=None, **kwargs):
+        super(OpenStackCloudCreateException, self).__init__(
+            message="Error creating {resource}: {resource_id}".format(
+                resource=resource, resource_id=resource_id),
+            extra_data=extra_data, **kwargs)
+        self.resource_id = resource_id
+
+
 class OpenStackCloudTimeout(OpenStackCloudException):
     pass
 

shade/openstackcloud.py

@@ -6605,8 +6605,8 @@ class OpenStackCloud(
                 # going to do the wait loop below, this is a waste of a call
                 server = self.get_server_by_id(server.id)
                 if server.status == 'ERROR':
-                    raise OpenStackCloudException(
-                        "Error in creating the server.")
+                    raise OpenStackCloudCreationException(
+                        resource='server', resource_id=server.id)
 
         if wait:
             server = self.wait_for_server(