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units: make templates for quotaon and systemd-quotacheck service

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This commit is contained in:
Thomas Blume 2022-09-19 16:57:48 +02:00 committed by Luca Boccassi
parent 9bb89a55a2
commit fc5c6eccb4
12 changed files with 186 additions and 62 deletions
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6
src/basic/special.h
View File

@ -84,8 +84,10 @@
#define SPECIAL_FSCK_SERVICE "systemd-fsck@.service"
#define SPECIAL_FSCK_ROOT_SERVICE "systemd-fsck-root.service"
#define SPECIAL_FSCK_USR_SERVICE "systemd-fsck-usr.service"
#define SPECIAL_QUOTACHECK_SERVICE "systemd-quotacheck.service"
#define SPECIAL_QUOTAON_SERVICE "quotaon.service"
#define SPECIAL_QUOTACHECK_SERVICE "systemd-quotacheck@.service"
#define SPECIAL_QUOTACHECK_ROOT_SERVICE "systemd-quotacheck-root.service"
#define SPECIAL_QUOTAON_SERVICE "quotaon@.service"
#define SPECIAL_QUOTAON_ROOT_SERVICE "quotaon-root.service"
#define SPECIAL_REMOUNT_FS_SERVICE "systemd-remount-fs.service"
#define SPECIAL_VOLATILE_ROOT_SERVICE "systemd-volatile-root.service"
#define SPECIAL_UDEVD_SERVICE "systemd-udevd.service"

46
src/core/mount.c
View File

@ -171,19 +171,6 @@ static bool mount_propagate_stop(Mount *m) {
* otherwise let's not bother. */
}
static bool mount_needs_quota(const MountParameters *p) {
assert(p);
if (p->fstype && !fstype_needs_quota(p->fstype))
return false;
if (mount_is_bind(p))
return false;
return fstab_test_option(p->options,
"usrquota\0" "grpquota\0" "quota\0" "usrjquota\0" "grpjquota\0");
}
static void mount_init(Unit *u) {
Mount *m = MOUNT(u);
@ -420,35 +407,6 @@ static int mount_add_device_dependencies(Mount *m) {
return 0;
}
static int mount_add_quota_dependencies(Mount *m) {
MountParameters *p;
int r;
assert(m);
if (!MANAGER_IS_SYSTEM(UNIT(m)->manager))
return 0;
p = get_mount_parameters_fragment(m);
if (!p)
return 0;
if (!mount_needs_quota(p))
return 0;
r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTACHECK_SERVICE,
/* add_reference= */ true, UNIT_DEPENDENCY_FILE);
if (r < 0)
return r;
r = unit_add_two_dependencies_by_name(UNIT(m), UNIT_BEFORE, UNIT_WANTS, SPECIAL_QUOTAON_SERVICE,
/* add_reference= */true, UNIT_DEPENDENCY_FILE);
if (r < 0)
return r;
return 0;
}
static bool mount_is_extrinsic(Unit *u) {
MountParameters *p;
Mount *m = MOUNT(u);
@ -663,10 +621,6 @@ static int mount_add_non_exec_dependencies(Mount *m) {
if (r < 0)
return r;
r = mount_add_quota_dependencies(m);
if (r < 0)
return r;
r = mount_add_default_dependencies(m);
if (r < 0)
return r;

17
src/fstab-generator/fstab-generator.c
View File

@ -46,6 +46,7 @@ typedef enum MountPointFlags {
MOUNT_GROWFS = 1 << 4,
MOUNT_RW_ONLY = 1 << 5,
MOUNT_PCRFS = 1 << 6,
MOUNT_QUOTA = 1 << 7,
} MountPointFlags;
typedef struct Mount {
@ -717,6 +718,18 @@ static int add_mount(
}
}
if (flags & MOUNT_QUOTA) {
r = generator_hook_up_quotacheck(dest, what, where, target_unit, fstype);
if (r < 0) {
if (r != -EOPNOTSUPP)
return r;
} else {
r = generator_hook_up_quotaon(dest, where, target_unit);
if (r < 0)
return r;
}
}
if (FLAGS_SET(flags, MOUNT_AUTOMOUNT)) {
r = unit_name_from_path(where, ".automount", &automount_name);
if (r < 0)
@ -858,6 +871,8 @@ static MountPointFlags fstab_options_to_flags(const char *options, bool is_swap)
flags |= MOUNT_GROWFS;
if (fstab_test_option(options, "x-systemd.pcrfs\0"))
flags |= MOUNT_PCRFS;
if (fstab_test_option(options, "usrquota\0" "grpquota\0" "quota\0" "usrjquota\0" "grpjquota\0" "prjquota\0"))
flags |= MOUNT_QUOTA;
if (fstab_test_yes_no_option(options, "noauto\0" "auto\0"))
flags |= MOUNT_NOAUTO;
if (fstab_test_yes_no_option(options, "nofail\0" "fail\0"))
@ -1210,7 +1225,7 @@ static int add_sysroot_mount(void) {
fstype,
opts,
is_device_path(what) ? 1 : 0, /* passno */
flags, /* makefs off, pcrfs off, noauto off, nofail off, automount off */
flags, /* makefs off, pcrfs off, quota off, noauto off, nofail off, automount off */
SPECIAL_INITRD_ROOT_FS_TARGET);
}

19
src/quotacheck/quotacheck.c
View File

@ -56,12 +56,14 @@ static void test_files(void) {
static int run(int argc, char *argv[]) {
int r;
_cleanup_free_ char *fspath = NULL;
bool quota_check_all = false;
log_setup();
if (argc > 1)
if (argc > 2)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"This program takes no arguments.");
"This program expects one or no arguments.");
umask(0022);
@ -79,13 +81,22 @@ static int run(int argc, char *argv[]) {
return 0;
}
if (argc == 2) {
fspath = strdup(argv[1]);
if (!fspath)
return log_oom();
} else
quota_check_all = true;
r = safe_fork("(quotacheck)", FORK_RESET_SIGNALS|FORK_DEATHSIG_SIGTERM|FORK_RLIMIT_NOFILE_SAFE|FORK_WAIT|FORK_LOG, NULL);
if (r < 0)
return r;
if (r == 0) {
static const char * const cmdline[] = {
const char *cmdline[] = {
QUOTACHECK,
"-anug",
quota_check_all ? "-anug" : "-nug",
fspath,
NULL
};

72
src/shared/generator.c
View File

@ -15,6 +15,7 @@
#include "log.h"
#include "macro.h"
#include "mkdir-label.h"
#include "mountpoint-util.h"
#include "path-util.h"
#include "process-util.h"
#include "special.h"
@ -708,6 +709,77 @@ int generator_hook_up_pcrfs(
return generator_add_symlink_full(dir, where_unit, "wants", pcrfs_unit_path, instance);
}
int generator_hook_up_quotacheck(
const char *dir,
const char *what,
const char *where,
const char *target,
const char *fstype) {
_cleanup_free_ char *where_unit = NULL, *instance = NULL;
int r;
assert(dir);
assert(where);
if (isempty(fstype) || streq(fstype, "auto"))
return log_warning_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Couldn't determine filesystem type for %s, quota cannot be activated", what);
if (!fstype_needs_quota(fstype))
return log_warning_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Quota was requested for %s, but not supported, ignoring: %s", what, fstype);
/* quotacheck unit for system root */
if (path_equal(where, "/"))
return generator_add_symlink(dir, SPECIAL_LOCAL_FS_TARGET, "wants", SYSTEM_DATA_UNIT_DIR "/" SPECIAL_QUOTACHECK_ROOT_SERVICE);
r = unit_name_path_escape(where, &instance);
if (r < 0)
return log_error_errno(r, "Failed to escape path '%s': %m", where);
if (target) {
r = generator_add_ordering(dir, target, "After", SPECIAL_QUOTACHECK_SERVICE, instance);
if (r < 0)
return r;
}
r = unit_name_from_path(where, ".mount", &where_unit);
if (r < 0)
return log_error_errno(r, "Failed to make unit name from path '%s': %m", where);
return generator_add_symlink_full(dir, where_unit, "wants", SYSTEM_DATA_UNIT_DIR "/" SPECIAL_QUOTACHECK_SERVICE, instance);
}
int generator_hook_up_quotaon(
const char *dir,
const char *where,
const char *target) {
_cleanup_free_ char *where_unit = NULL, *instance = NULL;
int r;
assert(dir);
assert(where);
/* quotaon unit for system root is not instantiated */
if (path_equal(where, "/"))
return generator_add_symlink(dir, SPECIAL_LOCAL_FS_TARGET, "wants", SYSTEM_DATA_UNIT_DIR "/" SPECIAL_QUOTAON_ROOT_SERVICE);
r = unit_name_path_escape(where, &instance);
if (r < 0)
return log_error_errno(r, "Failed to escape path '%s': %m", where);
if (target) {
r = generator_add_ordering(dir, target, "After", SPECIAL_QUOTAON_SERVICE, instance);
if (r < 0)
return r;
}
r = unit_name_from_path(where, ".mount", &where_unit);
if (r < 0)
return log_error_errno(r, "Failed to make unit name from path '%s': %m", where);
return generator_add_symlink_full(dir, where_unit, "wants", SYSTEM_DATA_UNIT_DIR "/" SPECIAL_QUOTAON_SERVICE, instance);
}
int generator_enable_remount_fs_service(const char *dir) {
/* Pull in systemd-remount-fs.service */
return generator_add_symlink(dir, SPECIAL_LOCAL_FS_TARGET, "wants",

10
src/shared/generator.h
View File

@ -85,6 +85,16 @@ int generator_hook_up_pcrfs(
const char *dir,
const char *where,
const char *target);
int generator_hook_up_quotacheck(
const char *dir,
const char *what,
const char *where,
const char *target,
const char *fstype);
int generator_hook_up_quotaon(
const char *dir,
const char *where,
const char *target);
int generator_enable_remount_fs_service(const char *dir);

12
units/meson.build
View File

@ -161,7 +161,11 @@ units = [
'conditions' : ['ENABLE_BINFMT'],
},
{
'file' : 'quotaon.service.in',
'file' : 'quotaon@.service.in',
'conditions' : ['ENABLE_QUOTACHECK'],
},
{
'file' : 'quotaon-root.service.in',
'conditions' : ['ENABLE_QUOTACHECK'],
},
{
@ -552,7 +556,11 @@ units = [
'conditions' : ['ENABLE_PSTORE'],
},
{
'file' : 'systemd-quotacheck.service.in',
'file' : 'systemd-quotacheck@.service.in',
'conditions' : ['ENABLE_QUOTACHECK'],
},
{
'file' : 'systemd-quotacheck-root.service.in',
'conditions' : ['ENABLE_QUOTACHECK'],
},
{

24
units/quotaon-root.service.in Normal file
View File

@ -0,0 +1,24 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Enable Root File System Quotas
Documentation=man:quotaon(8)
ConditionPathExists=!/etc/initrd-release
DefaultDependencies=no
After=systemd-quotacheck-root.service
Before=local-fs.target shutdown.target
Conflicts=shutdown.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart={{QUOTAON}} -ug /

8
units/quotaon.service.in → units/quotaon@.service.in
View File

@ -12,13 +12,15 @@ Description=Enable File System Quotas
Documentation=man:quotaon(8)
ConditionPathExists={{QUOTAON}}
ConditionPathExists=!/etc/initrd-release
After=%i.mount
After=systemd-quotacheck@%i.service
DefaultDependencies=no
After=systemd-quotacheck.service
Before=remote-fs.target
Before=shutdown.target
Conflicts=shutdown.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart={{QUOTAON}} -aug
ExecStart={{QUOTAON}} -ug %f

2
units/systemd-journal-flush.service
View File

@ -14,7 +14,7 @@ Documentation=man:systemd-journald.service(8) man:journald.conf(5)
ConditionPathExists=!/etc/initrd-release
DefaultDependencies=no
After=systemd-remount-fs.service
After=systemd-remount-fs.service systemd-quotacheck-root.service
Before=systemd-tmpfiles-setup.service
Wants=systemd-journald.service
After=systemd-journald.service

25
units/systemd-quotacheck-root.service.in Normal file
View File

@ -0,0 +1,25 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Root File System Quota Check
Documentation=man:systemd-quotacheck.service(8)
ConditionPathExists=!/etc/initrd-release
DefaultDependencies=no
After=systemd-remount-fs.service
Before=local-fs.target shutdown.target
Conflicts=shutdown.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart={{LIBEXECDIR}}/systemd-quotacheck /
TimeoutSec=infinity

7
units/systemd-quotacheck.service.in → units/systemd-quotacheck@.service.in
View File

@ -12,14 +12,15 @@ Description=File System Quota Check
Documentation=man:systemd-quotacheck.service(8)
ConditionPathExists={{QUOTACHECK}}
ConditionPathExists=!/etc/initrd-release
DefaultDependencies=no
After=systemd-remount-fs.service
Before=remote-fs.target
After=%i.mount
Before=shutdown.target
Conflicts=shutdown.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart={{LIBEXECDIR}}/systemd-quotacheck
ExecStart={{LIBEXECDIR}}/systemd-quotacheck %f
TimeoutSec=infinity