When running oslo-config-generator with yaml format and there's some oslo.i18n fields, it fails to represent the string [1].
This is not reproducible with json format [2]
Proposed patch will add a yaml representer for this type of field and output is working now [3].
[1]
~~~
[root@overcloud-controller-0 ~]# podman exec -u0 -ti openstack-cinder-volume-podman-0 oslo-config-generator --output-file /config-test.yaml --format yaml --namespace cinder --namespace keystonemiddleware.auth_token --namespace oslo.log --namespace oslo.messaging --namespace oslo.policy --namespace oslo.privsep --namespace oslo.service.periodic_task --namespace oslo.service.service --namespace oslo.db --namespace oslo.db.concurrency --namespace oslo.middleware --namespace oslo.concurrency --namespace osprofiler
Traceback (most recent call last):
File "/usr/bin/oslo-config-generator", line 10, in <module>
sys.exit(main())
File "/usr/lib/python3.6/site-packages/oslo_config/generator.py", line 824, in main
generate(conf)
File "/usr/lib/python3.6/site-packages/oslo_config/generator.py", line 805, in generate
conf=conf)
File "/usr/lib/python3.6/site-packages/oslo_config/generator.py", line 742, in _output_machine_readable
default_flow_style=False))
File "/usr/lib64/python3.6/site-packages/yaml/__init__.py", line 306, in safe_dump
return dump_all([data], stream, Dumper=SafeDumper, **kwds)
File "/usr/lib64/python3.6/site-packages/yaml/__init__.py", line 278, in dump_all
dumper.represent(data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 27, in represent
node = self.represent_data(data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 48, in represent_data
node = self.yaml_representers[data_types[0]](self, data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 207, in represent_dict
return self.represent_mapping('tag:yaml.org,2002:map', data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 118, in represent_mapping
node_value = self.represent_data(item_value)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 48, in represent_data
node = self.yaml_representers[data_types[0]](self, data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 207, in represent_dict
return self.represent_mapping('tag:yaml.org,2002:map', data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 118, in represent_mapping
node_value = self.represent_data(item_value)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 48, in represent_data
node = self.yaml_representers[data_types[0]](self, data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 207, in represent_dict
return self.represent_mapping('tag:yaml.org,2002:map', data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 118, in represent_mapping
node_value = self.represent_data(item_value)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 48, in represent_data
node = self.yaml_representers[data_types[0]](self, data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 199, in represent_list
return self.represent_sequence('tag:yaml.org,2002:seq', data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 92, in represent_sequence
node_item = self.represent_data(item)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 48, in represent_data
node = self.yaml_representers[data_types[0]](self, data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 207, in represent_dict
return self.represent_mapping('tag:yaml.org,2002:map', data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 118, in represent_mapping
node_value = self.represent_data(item_value)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 58, in represent_data
node = self.yaml_representers[None](self, data)
File "/usr/lib64/python3.6/site-packages/yaml/representer.py", line 231, in represent_undefined
raise RepresenterError("cannot represent an object", data)
yaml.representer.RepresenterError: ('cannot represent an object', 'The url where the S3 server is listening.')
~~~
[2]
~~~
{
"advanced": false,
"choices": [],
"default": null,
"deprecated_for_removal": false,
"deprecated_opts": [],
"deprecated_reason": null,
"deprecated_since": null,
"dest": "backup_s3_endpoint_url",
"help": "The url where the S3 server is listening.",
"max": null,
"metavar": null,
"min": null,
"mutable": false,
"name": "backup_s3_endpoint_url",
"namespace": "cinder",
"positional": false,
"required": false,
"sample_default": null,
"secret": false,
"short": null,
"type": "string value"
},
~~~
[3]
~~~
- advanced: false
choices: []
default: null
deprecated_for_removal: false
deprecated_opts: []
deprecated_reason: null
deprecated_since: null
dest: backup_s3_endpoint_url
help: The url where the S3 server is listening.
max: null
metavar: null
min: null
mutable: false
name: backup_s3_endpoint_url
namespace: cinder
positional: false
required: false
sample_default: null
secret: false
short: null
type: string value
~~~
Fix proposed to branch: stable/wallaby
Review: https:/