* Copyright (C) 2023 Red Hat, Inc.
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
import cockpit from "cockpit";
import { decode_filename } from "../utils.js";
const _ = cockpit.gettext;
* Calculate the usage based on the data from `btrfs filesystem show` which has
* been made available to client.uuids_btrfs_usage. The size/usage is provided
* per block device.
*/
export function btrfs_device_usage(client, uuid, path) {
const block = client.blocks[path];
const device = block && block.Device;
const uuid_usage = client.uuids_btrfs_usage[uuid];
if (uuid_usage && device) {
const usage = uuid_usage[decode_filename(device)];
if (usage) {
return [usage, block.Size];
}
}
return [0, block.Size];
}
* Calculate the overall btrfs "volume" usage. UDisks only knows the usage per block.
*/
export function btrfs_usage(client, volume) {
const block_fsys = client.blocks_fsys[volume.path];
const mount_point = block_fsys && block_fsys.MountPoints[0];
let use = mount_point && client.fsys_sizes.data[decode_filename(mount_point)];
if (!use)
use = [volume.data.used, client.uuids_btrfs_blocks[volume.data.uuid].reduce((sum, b) => sum + b.Size, 0)];
return use;
}
* Is the btrfs volume mounted anywhere
*/
export function btrfs_is_volume_mounted(client, block_devices) {
for (const block_device of block_devices) {
const block_fs = client.blocks_fsys[block_device.path];
if (block_fs && block_fs.MountPoints.length > 0) {
return true;
}
}
return false;
}
export function parse_subvol_from_options(options) {
const subvol = { };
const subvolid_match = options.match(/subvolid=(?<subvolid>\d+)/);
const subvol_match = options.match(/subvol=(?<subvol>[^\s,]+)/);
if (subvolid_match)
subvol.id = subvolid_match.groups.subvolid;
if (subvol_match)
subvol.pathname = subvol_match.groups.subvol;
if (subvolid_match || subvol_match)
return subvol;
else
return null;
}
export function validate_subvolume_name(name) {
if (name === "")
return _("Name cannot be empty.");
if (name.length > 255)
return _("Name cannot be longer than 255 characters.");
if (name.includes('/'))
return cockpit.format(_("Name cannot contain the character '/'."));
}
