ansible/changelogs/fragments/72591-ansible-galaxy-collection-resolvelib.yaml

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Replace the inhouse collection dependency resolver with `resolvelib` PR #72591 This change: * Adds an artifacts manager that abstracts away extracting the metadata from artifacts, downloading and caching them in a temporary location. * Adds `resolvelib` to direct ansible-core dependencies[0]. * Implements a `resolvelib`-based dependency resolver for `collection` subcommands that replaces the legacy in-house code. This is a dependency resolution library that pip 20.3+ uses by default. It's now integrated for use for the collection dependency resolution in ansible-galaxy CLI. * Refactors of the `ansible-galaxy collection` CLI. In particular, it: - reimplements most of the `download`, `install`, `list` and `verify` subcommands from scratch; - reuses helper bits previously moved out into external modules; - replaces the old in-house resolver with a more clear implementation based on the resolvelib library[0][1][2]. * Adds a multi Galaxy API proxy layer that abstracts accessing the version and dependencies via API or local artifacts manager. * Makes `GalaxyAPI` instances sortable. * Adds string representation methods to `GalaxyAPI`. * Adds dev representation to `GalaxyAPI`. * Removes unnecessary integration and unit tests. * Aligns the tests with the new expectations. * Adds more tests, integration ones in particular. [0]: https://pypi.org/p/resolvelib [1]: https://github.com/sarugaku/resolvelib [2]: https://pradyunsg.me/blog/2020/03/27/pip-resolver-testing Co-Authored-By: Jordan Borean <jborean93@gmail.com> Co-Authored-By: Matt Clay <matt@mystile.com> Co-Authored-By: Sam Doran <sdoran@redhat.com> Co-Authored-By: Sloane Hertel <shertel@redhat.com> Co-Authored-By: Sviatoslav Sydorenko <webknjaz@redhat.com> Signed-Off-By: Sviatoslav Sydorenko <webknjaz@redhat.com>
2021-01-27 22:23:22 +01:00
---
breaking_changes:
- >-
Replaced the in-tree dependency resolver with an external implementation
that pip >= 20.3 uses now by default — ``resolvelib``.
(https://github.com/ansible/ansible/issues/71784)
- >-
Made SCM collections be reinstalled regardless of ``--force`` being
present.
major_changes:
- |
Declared ``resolvelib >= 0.5.3, < 0.6.0`` a direct dependency of
ansible-core. Refs:
- https://github.com/sarugaku/resolvelib
- https://pypi.org/p/resolvelib
- https://pradyunsg.me/blog/2020/03/27/pip-resolver-testing
- >-
It became possible to install Ansible Collections from local folders and
namespaces folder similar to SCM structure with multiple collections.
minor_changes:
- >-
Refactored ``ansible-galaxy collection [download|install|list|verify]``
CLI subcommands with the public interface kept intact.
- >-
The new dependency resolver prefers ``MANIFEST.json`` over ``galaxy.yml``
if it exists in the target directory.
...