Create multiple stacks with different names for same applicaiton

[mohamedazouz]

• I'm trying to create multiple stacks with different name for same application using parameter files
  i'm passing stack as following:

   StackName: "{{Arguments.StackName}}"
  

It gives me this error [AGENT] Stack not found: {{Arguments.StackName}}-20170718V379

When I tried to pass it sing command line it gives me with parameter file the following error:

[AGENT] Error: Parameter specified multiple times: "StackName"

[SergKam]

Problem is clearly here https://github.com/zalando-stups/lizzy/blob/master/lizzy/api.py#L109
Can we just try to replace the {{Arguments.any}} with one from provided parameters?

[boure]

I get other issues depending on the StackName:

• for StackName: {{Arguments.StackName}} :

Traceback (most recent call last):
   File "/lizzy_edge_env/bin/lizzy", line 11, in <module>
     sys.exit(main_with_metrics())
   File "/lizzy_edge_env/lib/python3.5/site-packages/lizzy_client/cli.py", line 75, in main_with_metrics
     main()
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 722, in __call__
     return self.main(*args, **kwargs)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 697, in main
     rv = self.invoke(ctx)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 1064, in invoke
     sub_ctx = cmd.make_context(cmd_name, args, parent=ctx)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 621, in make_context
     self.parse_args(ctx, args)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 880, in parse_args
     value, args = param.handle_parse_result(ctx, opts, args)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 1396, in handle_parse_result
     value = self.full_process_value(ctx, value)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 1365, in full_process_value
     value = self.process_value(ctx, value)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 1355, in process_value
     return self.type_cast_value(ctx, value)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 1344, in type_cast_value
     return _convert(value, (self.nargs != 1) + bool(self.multiple))
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/core.py", line 1342, in _convert
     return self.type(value, self, ctx)
   File "/lizzy_edge_env/lib/python3.5/site-packages/click/types.py", line 38, in __call__
     return self.convert(value, param, ctx)
   File "/lizzy_edge_env/lib/python3.5/site-packages/lizzy_client/arguments.py", line 27, in convert
     data = yaml.safe_load(response.read())
   File "/lizzy_edge_env/lib/python3.5/site-packages/yaml/__init__.py", line 94, in safe_load
     return load(stream, SafeLoader)
   File "/lizzy_edge_env/lib/python3.5/site-packages/yaml/__init__.py", line 72, in load
     return loader.get_single_data()
   File "/lizzy_edge_env/lib/python3.5/site-packages/yaml/constructor.py", line 37, in get_single_data
     return self.construct_document(node)
   File "/lizzy_edge_env/lib/python3.5/site-packages/yaml/constructor.py", line 46, in construct_document
     for dummy in generator:
   File "/lizzy_edge_env/lib/python3.5/site-packages/yaml/constructor.py", line 398, in construct_yaml_map
     value = self.construct_mapping(node)
   File "/lizzy_edge_env/lib/python3.5/site-packages/yaml/constructor.py", line 204, in construct_mapping
     return super().construct_mapping(node, deep=deep)
   File "/lizzy_edge_env/lib/python3.5/site-packages/yaml/constructor.py", line 128, in construct_mapping
     "found unhashable key", key_node.start_mark)
 yaml.constructor.ConstructorError: while constructing a mapping
   in "<byte string>", line 2, column 14:
       StackName: {{Arguments.StackName}}
                  ^
 found unhashable key
   in "<byte string>", line 2, column 15:
       StackName: {{Arguments.StackName}}

• for StackName: appname-{{Arguments.StackName}}, I get an error in the agent:
  [AGENT] Stack not found: appname-{{Arguments.Stage}}

[boure]

In the case where the StackName contains a parameter (e.g. appname-{{Arguments.Stage}}), the failing line seems to be

lizzy/lizzy/api.py

Line 136 in 0d3b1a9

stack_dict = (Stack.get(stack_name, stack_version, region=region)

when lizzy tries to get the stack it just created.

In this case, Lizzy has logged Stack created and the stack can be found on AWS.