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uvol: fixes and adapt to in-tree ucode 

Don't use features which are not yet present in the version of ucode
currently shipped with OpenWrt (such as `fs.access()` or assuming raw
mode by default).
Fix syntax error in main executable.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2022-04-03 16:13:45 +01:00
parent 8988b0a32f
commit 74caff0d59
No known key found for this signature in database
GPG Key ID: 5A8F39C31C3217CA
4 changed files with 12 additions and 10 deletions
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2
utils/uvol/Makefile
View File

@ -32,7 +32,7 @@ define Package/uvol
endef endef
define Package/uvol/description define Package/uvol/description
'uvol' is tool to automate storage volume handling on embedded 'uvol' is a tool to automate storage volume handling on embedded
devices in a generic way. devices in a generic way.
Depending on what is available, 'uvol' will use either UBI or LVM2 Depending on what is available, 'uvol' will use either UBI or LVM2
as storage backends and transparently offer identical operations on as storage backends and transparently offer identical operations on

3
utils/uvol/files/blockdev_common.uc
View File

@ -108,6 +108,9 @@ let get_bootdev = function(void) {
// adapted from /lib/upgrade/common.sh // adapted from /lib/upgrade/common.sh
let get_partition = function(dev, num) { let get_partition = function(dev, num) {
if (!dev)
return null;
for (let bd in get_blockdevs()) { for (let bd in get_blockdevs()) {
let r = get_uevent_major_minor(sprintf("/sys/class/block/%s/uevent", bd)); let r = get_uevent_major_minor(sprintf("/sys/class/block/%s/uevent", bd));
if (r.major == dev.major && r.minor == dev.minor + num) { if (r.major == dev.major && r.minor == dev.minor + num) {

7
utils/uvol/files/lvm.uc
View File

@ -50,6 +50,9 @@ function pvs() {
} }
include("/usr/lib/uvol/blockdev_common.uc"); include("/usr/lib/uvol/blockdev_common.uc");
let rootdev = blockdev_common.get_partition(blockdev_common.get_bootdev(), 0); let rootdev = blockdev_common.get_partition(blockdev_common.get_bootdev(), 0);
if (!rootdev)
return null;
let tmp = lvm("pvs", "-o", "vg_name", "-S", sprintf("\"pv_name=~^/dev/%s.*\$\"", rootdev)); let tmp = lvm("pvs", "-o", "vg_name", "-S", sprintf("\"pv_name=~^/dev/%s.*\$\"", rootdev));
if (tmp.report.pv) if (tmp.report.pv)
return tmp.report.pv[0].vg_name; return tmp.report.pv[0].vg_name;
@ -112,8 +115,8 @@ function getdev(lv) {
function lvm_init(ctx) { function lvm_init(ctx) {
cursor = ctx.cursor; cursor = ctx.cursor;
fs = ctx.fs; fs = ctx.fs;
if (!fs.access(lvm_exec, "x")) // if (!fs.access(lvm_exec, "x"))
return false; // return false;
vg_name = pvs(); vg_name = pvs();
if (!vg_name) if (!vg_name)

10
utils/uvol/files/uvol
View File

@ -1,4 +1,4 @@
#!/usr/bin/ucode #!/usr/bin/ucode -R
// SPDX-License-Identifier: GPL-2.0-or-later // SPDX-License-Identifier: GPL-2.0-or-later
// uvol - storage volume manager for OpenWrt // uvol - storage volume manager for OpenWrt
// (c) 2022 Daniel Golle <daniel@makrotopia.org> // (c) 2022 Daniel Golle <daniel@makrotopia.org>
@ -25,11 +25,7 @@ commands:
1 - volume is not ready for use 1 - volume is not ready for use
2 - volume doesn'y exist 2 - volume doesn'y exist
write volname size write to volume from stdin, size in bytes write volname size write to volume from stdin, size in bytes
" ";
function help() {
printf("%s", help_output);
);
let fs = require("fs"); let fs = require("fs");
let uci = require("uci"); let uci = require("uci");
@ -71,7 +67,7 @@ if (!backend) {
let cmd = shift(ARGV); let cmd = shift(ARGV);
if (!cmd || cmd == "-h" || cmd == "help") { if (!cmd || cmd == "-h" || cmd == "help") {
help(); printf("%s", help_output);
return cmd?0:22; return cmd?0:22;
} }