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community.general/plugins/modules/btrfs_info.py

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[PR #5832/ae5090d9 backport][stable-6] New modules btrfs_subvolume / btrfs_info (#6376) New modules btrfs_subvolume / btrfs_info (#5832) * Initial implementation for new modules btrfs_subvolume and btrfs_info * Improve/flesh out documentation. Add ability to target filesystem by uuid, label or device. Update tests to test targeting filesystem by each supported parameter and when only mountpoint. * Updates for btrfs modules. Add missing copyright notices. Switch options to contains in return documentation. Update btrfs_subvolume to always use closest parent mount. * Add maintainers for btrfs module(s) and remove unused class member cause lint failure. * Add changelog fragment. Attempt to only run against the VMs as part of CI. * Updates per code review. Remove changelog fragment. Switch use of map to list comprehension. Add trailing comma to last item in multi-line dicts. Clean up documentation with complete senstences for descriptions and correct/consistent use of macros. * Improved error handling in btrfs_subvolume module: add custom exception type, favor exceptions over immediate call to fail_json and add single top level return for failure scenarios. Normalize name and snapshot_source parameters early in module execution and remove unecessary duplicate normalization throughout processing. * Add azp/posix/3 to aliases per feedback * Clean up automatic mounting. Prevent automount when check_mode=True. Immediately fail if a mount is identified as required and automount=True. Identify the minimal subset of subvolumes that need to be mounted instead of just finding a single common root. * Skip btrfs_subvolume integration tests if btrfs-progs isn't successfully installed. * Bump version_added for btrfs modules to 6.6.0. Ensure consistent trailing punctuation for module descriptions and document check_mode behavior as attribute description rather than a module level note. * Remove unused imports from btrfs_subvolume module. * Fix import. * Docs improvements. --------- Co-authored-by: Felix Fontein <felix@fontein.de> (cherry picked from commit ae5090d90e12478d68afe287c1fbb5f487dfc6dc) Co-authored-by: Gregory Furlong <50386272+gnfzdz@users.noreply.github.com>
2023-04-20 07:12:45 +02:00
#!/usr/bin/python
# Copyright (c) 2022, Gregory Furlong <gnfzdz@fzdz.io>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = r'''
---
module: btrfs_info
short_description: Query btrfs filesystem info
version_added: "6.6.0"
description: Query status of available btrfs filesystems, including uuid, label, subvolumes and mountpoints.
author:
- Gregory Furlong (@gnfzdz)
extends_documentation_fragment:
- community.general.attributes
- community.general.attributes.info_module
'''
EXAMPLES = r'''
- name: Query information about mounted btrfs filesystems
community.general.btrfs_info:
register: my_btrfs_info
'''
RETURN = r'''
filesystems:
description: Summaries of the current state for all btrfs filesystems found on the target host.
type: list
elements: dict
returned: success
contains:
uuid:
description: A unique identifier assigned to the filesystem.
type: str
sample: 96c9c605-1454-49b8-a63a-15e2584c208e
label:
description: An optional label assigned to the filesystem.
type: str
sample: Tank
devices:
description: A list of devices assigned to the filesystem.
type: list
sample:
- /dev/sda1
- /dev/sdb1
default_subvolume:
description: The id of the filesystem's default subvolume.
type: int
sample: 5
subvolumes:
description: A list of dicts containing metadata for all of the filesystem's subvolumes.
type: list
elements: dict
contains:
id:
description: An identifier assigned to the subvolume, unique within the containing filesystem.
type: int
sample: 256
mountpoints:
description: Paths where the subvolume is mounted on the targeted host.
type: list
sample: ['/home']
parent:
description: The identifier of this subvolume's parent.
type: int
sample: 5
path:
description: The full path of the subvolume relative to the btrfs fileystem's root.
type: str
sample: /@home
'''
from ansible_collections.community.general.plugins.module_utils.btrfs import BtrfsFilesystemsProvider
from ansible.module_utils.basic import AnsibleModule
def run_module():
module_args = dict()
module = AnsibleModule(
argument_spec=module_args,
supports_check_mode=True
)
provider = BtrfsFilesystemsProvider(module)
filesystems = [x.get_summary() for x in provider.get_filesystems()]
result = {
"filesystems": filesystems,
}
module.exit_json(**result)
def main():
run_module()
if __name__ == '__main__':
main()