List users with ssh keys

main.py

import googleapiclient.discovery

compute_v1 = googleapiclient.discovery.build(
        "compute", "v1", cache_discovery=False
)

project_id = "<project_id>"

project_info = compute_v1.projects().get(project=project_id).execute()

for metadata in project_info["commonInstanceMetadata"].get("items", []):
    if metadata["key"] == "ssh-keys":
        users = []
        for google_key in metadata["value"].split('\n'):
            # Add expireOn exclusion ?
            users.append( google_key.split(':')[0])
        print('{},{}'.format(project_id, ';'.join(users)))

requirement.txt

google-api-python-client