| index : archinstall32 | |
| Archlinux32 installer | gitolite user |
| summaryrefslogtreecommitdiff |
| author | Daniel Girtler <blackrabbit256@gmail.com> | 2023-04-19 20:55:42 +1000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-04-19 12:55:42 +0200 |
| commit | 00b0ae7ba439a5a420095175b3bedd52c569db51 (patch) | |
| tree | f02d081e361d5e65603f74dea3873dcc6606cf7c /archinstall/lib/disk/btrfs/btrfspartition.py | |
| parent | 5253e57e9f26cf3e59cb2460544af13f56e485bb (diff) | |
| -rw-r--r-- | archinstall/lib/disk/btrfs/btrfspartition.py | 109 |
diff --git a/archinstall/lib/disk/btrfs/btrfspartition.py b/archinstall/lib/disk/btrfs/btrfspartition.py deleted file mode 100644 index d04c9b98..00000000 --- a/archinstall/lib/disk/btrfs/btrfspartition.py +++ /dev/null @@ -1,109 +0,0 @@ -import glob -import pathlib -import logging -from typing import Optional, TYPE_CHECKING - -from ...exceptions import DiskError -from ...storage import storage -from ...output import log -from ...general import SysCommand -from ..partition import Partition -from ..helpers import findmnt -from .btrfs_helpers import ( - subvolume_info_from_path -) - -if TYPE_CHECKING: - from ...installer import Installer - from .btrfssubvolumeinfo import BtrfsSubvolumeInfo - - -class BTRFSPartition(Partition): - def __init__(self, *args, **kwargs): - Partition.__init__(self, *args, **kwargs) - - @property - def subvolumes(self): - for filesystem in findmnt(pathlib.Path(self.path), recurse=True).get('filesystems', []): - if '[' in filesystem.get('source', ''): - yield subvolume_info_from_path(filesystem['target']) - - def iterate_children(struct): - for c in struct.get('children', []): - if '[' in child.get('source', ''): - yield subvolume_info_from_path(c['target']) - - for sub_child in iterate_children(c): - yield sub_child - - for child in iterate_children(filesystem): - yield child - - def create_subvolume(self, subvolume :pathlib.Path, installation :Optional['Installer'] = None) -> 'BtrfsSubvolumeInfo': - """ - Subvolumes have to be created within a mountpoint. - This means we need to get the current installation target. - After we get it, we need to verify it is a btrfs subvolume filesystem. - Finally, the destination must be empty. - """ - - # Allow users to override the installation session - if not installation: - installation = storage.get('installation_session') - - # Determain if the path given, is an absolute path or a relative path. - # We do this by checking if the path contains a known mountpoint. - if str(subvolume)[0] == '/': - if filesystems := findmnt(subvolume, traverse=True).get('filesystems'): - if (target := filesystems[0].get('target')) and target != '/' and str(subvolume).startswith(target): - # Path starts with a known mountpoint which isn't / - # Which means it's an absolute path to a mounted location. - pass - else: - # Since it's not an absolute position with a known start. - # We omit the anchor ('/' basically) and make sure it's appendable - # to the installation.target later - subvolume = subvolume.relative_to(subvolume.anchor) - # else: We don't need to do anything about relative paths, they should be appendable to installation.target as-is. - - # If the subvolume is not absolute, then we do two checks: - # 1. Check if the partition itself is mounted somewhere, and use that as a root - # 2. Use an active Installer().target as the root, assuming it's filesystem is btrfs - # If both above fail, we need to warn the user that such setup is not supported. - if str(subvolume)[0] != '/': - if self.mountpoint is None and installation is None: - raise DiskError("When creating a subvolume on BTRFSPartition()'s, you need to either initiate a archinstall.Installer() or give absolute paths when creating the subvoulme.") - elif self.mountpoint: - subvolume = self.mountpoint / subvolume - elif installation: - ongoing_installation_destination = installation.target - if type(ongoing_installation_destination) == str: - ongoing_installation_destination = pathlib.Path(ongoing_installation_destination) - - subvolume = ongoing_installation_destination / subvolume - - subvolume.parent.mkdir(parents=True, exist_ok=True) - - # <!-- - # We perform one more check from the given absolute position. - # And we traverse backwards in order to locate any if possible subvolumes above - # our new btrfs subvolume. This is because it needs to be mounted under it to properly - # function. - # if btrfs_parent := find_parent_subvolume(subvolume): - # print('Found parent:', btrfs_parent) - # --> - - log(f'Attempting to create subvolume at {subvolume}', level=logging.DEBUG, fg="grey") - - if glob.glob(str(subvolume / '*')): - raise DiskError(f"Cannot create subvolume at {subvolume} because it contains data (non-empty folder target is not supported by BTRFS)") - # Ideally we would like to check if the destination is already a subvolume. - # But then we would need the mount-point at this stage as well. - # So we'll comment out this check: - # elif subvolinfo := subvolume_info_from_path(subvolume): - # raise DiskError(f"Destination {subvolume} is already a subvolume: {subvolinfo}") - - # And deal with it here: - SysCommand(f"btrfs subvolume create {subvolume}") - - return subvolume_info_from_path(subvolume) |