Get a list of bucket information from GCS

get_gcs_buckets_info.py

"""
Google Cloud Storage から Bucket 情報の一覧を取得するスクリプト
- Python 3.9.6
- google-cloud-storage==1.42.3
"""
import csv
from google.cloud import storage


def run():
    storage_client = storage.Client()
    buckets = storage_client.list_buckets()

    data_list = []
    header = ["name", "class", "location_type", "location", "versioning", "logging", "lifecycle_rule", "retention_period"]
    data_list.append(header)

    for bucket in buckets:
        data = []
        data.append(bucket.name)
        data.append(bucket.storage_class)
        data.append(bucket.location_type)
        data.append(bucket.location)
        data.append(bucket.versioning_enabled)
        if bucket.get_logging():
            data.append("True")
        else:
            data.append("False")
        if list(bucket.lifecycle_rules):
            data.append(str(list(bucket.lifecycle_rules)))
        else:
            data.append("None")
        if bucket.retention_period:
            data.append(bucket.retention_period)
        else:
            data.append("None")
        data_list.append(data)

    with open("./bucket_list.csv", "w") as f:
        writer = csv.writer(f)
        writer.writerows(data_list)


if __name__ == "__main__":
    run()