mirror of
https://github.com/ansible-collections/community.general.git
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19757b3a4c
* Add type hints to action and test plugins and to plugin utils. Also fix some bugs and add proper input validation. * Combine lines. Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com> * Extend changelog fragment. * Move task_vars initialization up. --------- Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
# Copyright (c) 2021, Felix Fontein <felix@fontein.de>
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import annotations
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DOCUMENTATION = """
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name: a_module
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short_description: Test whether a given string refers to an existing module or action plugin
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version_added: 4.0.0
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author: Felix Fontein (@felixfontein)
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description:
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- Test whether a given string refers to an existing module or action plugin.
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- This can be useful in roles, which can use this to ensure that required modules are present ahead of time.
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options:
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_input:
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description: A string denoting a fully qualified collection name (FQCN) of a module or action plugin.
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type: string
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required: true
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"""
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EXAMPLES = """
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- name: Make sure that community.aws.route53 is available
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ansible.builtin.assert:
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that:
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- >
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'community.aws.route53' is community.general.a_module
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- name: Make sure that community.general.does_not_exist is not a module or action plugin
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ansible.builtin.assert:
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that:
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- "'community.general.does_not_exist' is not community.general.a_module"
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"""
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RETURN = """
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_value:
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description: Whether the module or action plugin denoted by the input exists.
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type: boolean
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"""
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import typing as t
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from collections.abc import Callable
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from ansible.plugins.loader import action_loader, module_loader
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from ansible.errors import AnsibleFilterError
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try:
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from ansible.errors import AnsiblePluginRemovedError
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except ImportError:
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AnsiblePluginRemovedError = Exception # type: ignore
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def a_module(term: t.Any) -> bool:
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"""
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Example:
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- 'community.general.ufw' is community.general.a_module
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- 'community.general.does_not_exist' is not community.general.a_module
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"""
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if not isinstance(term, str):
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raise AnsibleFilterError(f"Parameter must be a string, got {term!r} of type {type(term)}")
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try:
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for loader in (action_loader, module_loader):
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data = loader.find_plugin(term)
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if data is not None:
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return True
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return False
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except AnsiblePluginRemovedError:
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return False
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class TestModule:
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"""Ansible jinja2 tests"""
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def tests(self) -> dict[str, Callable]:
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return {
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"a_module": a_module,
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}
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