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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/pybind/mgr/cephadm/registry.py | |
parent | Initial commit. (diff) | |
download | ceph-upstream/16.2.11+ds.tar.xz ceph-upstream/16.2.11+ds.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/pybind/mgr/cephadm/registry.py | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/pybind/mgr/cephadm/registry.py b/src/pybind/mgr/cephadm/registry.py new file mode 100644 index 000000000..31e5fb23e --- /dev/null +++ b/src/pybind/mgr/cephadm/registry.py @@ -0,0 +1,65 @@ +import requests +from typing import List, Dict, Tuple +from requests import Response + + +class Registry: + + def __init__(self, url: str): + self._url: str = url + + @property + def api_domain(self) -> str: + if self._url == 'docker.io': + return 'registry-1.docker.io' + return self._url + + def get_token(self, response: Response) -> str: + realm, params = self.parse_www_authenticate(response.headers['Www-Authenticate']) + r = requests.get(realm, params=params) + r.raise_for_status() + ret = r.json() + if 'access_token' in ret: + return ret['access_token'] + if 'token' in ret: + return ret['token'] + raise ValueError(f'Unknown token reply {ret}') + + def parse_www_authenticate(self, text: str) -> Tuple[str, Dict[str, str]]: + # 'Www-Authenticate': 'Bearer realm="https://auth.docker.io/token",service="registry.docker.io",scope="repository:ceph/ceph:pull"' + r: Dict[str, str] = {} + for token in text.split(','): + key, value = token.split('=', 1) + r[key] = value.strip('"') + realm = r.pop('Bearer realm') + return realm, r + + def get_tags(self, image: str) -> List[str]: + tags = [] + headers = {'Accept': 'application/json'} + url = f'https://{self.api_domain}/v2/{image}/tags/list' + while True: + try: + r = requests.get(url, headers=headers) + except requests.exceptions.ConnectionError as e: + msg = f"Cannot get tags from url '{url}': {e}" + raise ValueError(msg) from e + if r.status_code == 401: + if 'Authorization' in headers: + raise ValueError('failed authentication') + token = self.get_token(r) + headers['Authorization'] = f'Bearer {token}' + continue + r.raise_for_status() + + new_tags = r.json()['tags'] + tags.extend(new_tags) + + if 'Link' not in r.headers: + break + + # strip < > brackets off and prepend the domain + url = f'https://{self.api_domain}' + r.headers['Link'].split(';')[0][1:-1] + continue + + return tags |