libvirt/ci/util.py

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import json
import urllib.request
import urllib.parse
from typing import Dict, List
def get_registry_uri(namespace: str,
gitlab_uri: str = "https://gitlab.com") -> str:
"""
Construct a v4 API URI pointing the namespaced project's image registry.
:param namespace: GitLab project namespace, e.g. "libvirt/libvirt"
:param gitlab_uri: GitLab base URI, can be a private deployment
:param api_version: GitLab REST API version number
:return: URI pointing to a namespaced project's image registry
"""
# this converts something like "libvirt/libvirt" to "libvirt%2Flibvirt"
namespace_urlenc = urllib.parse.quote_plus(namespace)
project_uri = f"{gitlab_uri}/api/v4/projects/{namespace_urlenc}"
uri = project_uri + "/registry/repositories"
return uri
def get_registry_images(uri: str) -> List[Dict]:
"""
List all container images that are currently available in the given GitLab
project.
:param uri: URI pointing to a GitLab instance's image registry
:return: list of container image names
"""
r = urllib.request.urlopen(uri + "?per_page=100")
# read the HTTP response and load the JSON part of it
return json.loads(r.read().decode())