make_bakery_yaml.py

import yaml

bakery_database_entry = {
    "org.test-osn.bakery.aws.us-west-2": {
        "region": "aws.us-west-2",
        "targets": {
            "osn": {
                "region": "aws.us-west-2",
                "description": "Open Storage Network (OSN) bucket",
                "public": {
                    "prefix": "Pangeo/pangeo-forge",
                    "protocol": "s3",
                    "storage_options": {
                        "anon": True,
                        "client_kwargs": {"endpoint_url": "https://ncsa.osn.xsede.org"},
                    },
                },
                "private": {
                    "prefix": "Pangeo/pangeo-forge",
                    "protocol": "s3",
                    "storage_options": {
                        "key": "{OSN_KEY}",
                        "secret": "{OSN_SECRET}",
                        "client_kwargs": {"endpoint_url": "https://ncsa.osn.xsede.org"},
                        "default_cache_type": "none",
                        "default_fill_cache": False,
                        "use_listings_cache": False,
                    },
                },
            }
        },
        "cluster": None,
    }
}

with open("test-bakery.yaml", mode="w") as f:
    f.write(yaml.dump(bakery_database_entry))