def create_latest(bucket, sha, target):
"""Create a file in GCS with information about the latest release.
Args:
bucket: A google cloud storage bucket object
sha: SHA of the release we just created
target: The GCS path of the release we just produced.
"""
path = os.path.join("latest_release.json")
logging.info("Creating GCS output: %s", util.to_gcs_uri(bucket.name, path))
data = {
"sha": sha.strip(),
"target": target,
}
blob = bucket.blob(path)
blob.upload_from_string(json.dumps(data))
def get_last_release(bucket):
"""Return the sha of the last release.
Args:
bucket: A google cloud storage bucket object
Returns:
sha: The sha of the latest release.
"""
path = "latest_release.json"
blob = bucket.blob(path)
if not blob.exists():
logging.info("File %s doesn't exist.", util.to_gcs_uri(bucket.name, path))
return ""
contents = blob.download_as_string()
data = json.loads(contents)
return data.get("sha", "").strip()
