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108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright: (c) 2020-2021, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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"""A facade for interfacing with multiple Galaxy instances."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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try:
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from typing import TYPE_CHECKING
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except ImportError:
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TYPE_CHECKING = False
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if TYPE_CHECKING:
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from typing import Dict, Iterable, Tuple
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from ansible.galaxy.api import CollectionVersionMetadata
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from ansible.galaxy.collection.concrete_artifact_manager import (
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ConcreteArtifactsManager,
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)
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from ansible.galaxy.dependency_resolution.dataclasses import (
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Candidate, Requirement,
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)
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from ansible.galaxy.api import GalaxyAPI, GalaxyError
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class MultiGalaxyAPIProxy:
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"""A proxy that abstracts talking to multiple Galaxy instances."""
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def __init__(self, apis, concrete_artifacts_manager):
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# type: (Iterable[GalaxyAPI], ConcreteArtifactsManager) -> None
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"""Initialize the target APIs list."""
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self._apis = apis
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self._concrete_art_mgr = concrete_artifacts_manager
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def get_collection_versions(self, requirement):
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# type: (Requirement) -> Iterable[Tuple[str, GalaxyAPI]]
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"""Get a set of unique versions for FQCN on Galaxy servers."""
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if requirement.is_concrete_artifact:
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return {
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(
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self._concrete_art_mgr.
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get_direct_collection_version(requirement),
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requirement.src,
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),
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}
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api_lookup_order = (
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(requirement.src, )
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if isinstance(requirement.src, GalaxyAPI)
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else self._apis
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)
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return set(
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(version, api)
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for api in api_lookup_order
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for version in api.get_collection_versions(
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requirement.namespace, requirement.name,
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)
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)
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def get_collection_version_metadata(self, collection_candidate):
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# type: (Candidate) -> CollectionVersionMetadata
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"""Retrieve collection metadata of a given candidate."""
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api_lookup_order = (
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(collection_candidate.src, )
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if isinstance(collection_candidate.src, GalaxyAPI)
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else self._apis
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)
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for api in api_lookup_order:
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try:
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version_metadata = api.get_collection_version_metadata(
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collection_candidate.namespace,
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collection_candidate.name,
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collection_candidate.ver,
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)
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except GalaxyError as api_err:
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last_err = api_err
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else:
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self._concrete_art_mgr.save_collection_source(
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collection_candidate,
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version_metadata.download_url,
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version_metadata.artifact_sha256,
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api.token,
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)
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return version_metadata
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raise last_err
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def get_collection_dependencies(self, collection_candidate):
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# type: (Candidate) -> Dict[str, str]
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# FIXME: return Requirement instances instead?
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"""Retrieve collection dependencies of a given candidate."""
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if collection_candidate.is_concrete_artifact:
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return (
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self.
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_concrete_art_mgr.
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get_direct_collection_dependencies
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)(collection_candidate)
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return (
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self.
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get_collection_version_metadata(collection_candidate).
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dependencies
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)
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