-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <errno.h>
#include <unistd.h>
-#include "util.h"
-#include "special.h"
-#include "mkdir.h"
-#include "unit-name.h"
+#include "alloc-util.h"
+#include "dropin.h"
+#include "escape.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "fstab-util.h"
#include "generator.h"
+#include "log.h"
+#include "macro.h"
+#include "mkdir.h"
#include "path-util.h"
-#include "fstab-util.h"
-#include "dropin.h"
+#include "special.h"
+#include "string-util.h"
+#include "time-util.h"
+#include "unit-name.h"
+#include "util.h"
+
+int generator_add_symlink(const char *root, const char *dst, const char *dep_type, const char *src) {
+ /* Adds a symlink from <dst>.<dep_type>.d/ to ../<src> */
+
+ const char *from, *to;
+
+ from = strjoina("../", src);
+ to = strjoina(root, "/", dst, ".", dep_type, "/", src);
+
+ mkdir_parents_label(to, 0755);
+ if (symlink(from, to) < 0)
+ if (errno != EEXIST)
+ return log_error_errno(errno, "Failed to create symlink \"%s\": %m", to);
+
+ return 0;
+}
+
+static int write_fsck_sysroot_service(const char *dir, const char *what) {
+ _cleanup_free_ char *device = NULL, *escaped = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ const char *unit;
+ int r;
+
+ escaped = cescape(what);
+ if (!escaped)
+ return log_oom();
+
+ unit = strjoina(dir, "/systemd-fsck-root.service");
+ log_debug("Creating %s", unit);
+
+ r = unit_name_from_path(what, ".device", &device);
+ if (r < 0)
+ return log_error_errno(r, "Failed to convert device \"%s\" to unit name: %m", what);
+
+ f = fopen(unit, "wxe");
+ if (!f)
+ return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
+
+ fprintf(f,
+ "# Automatically generated by %1$s\n\n"
+ "[Unit]\n"
+ "Documentation=man:systemd-fsck-root.service(8)\n"
+ "Description=File System Check on %2$s\n"
+ "DefaultDependencies=no\n"
+ "BindsTo=%3$s\n"
+ "After=initrd-root-device.target local-fs-pre.target %3$s\n"
+ "Before=shutdown.target\n"
+ "\n"
+ "[Service]\n"
+ "Type=oneshot\n"
+ "RemainAfterExit=yes\n"
+ "ExecStart=" SYSTEMD_FSCK_PATH " %4$s\n"
+ "TimeoutSec=0\n",
+ program_invocation_short_name,
+ what,
+ device,
+ escaped);
+
+ r = fflush_and_check(f);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write unit file %s: %m", unit);
+
+ return 0;
+}
int generator_write_fsck_deps(
FILE *f,
if (!isempty(fstype) && !streq(fstype, "auto")) {
r = fsck_exists(fstype);
- if (r == -ENOENT) {
+ if (r < 0)
+ log_warning_errno(r, "Checking was requested for %s, but couldn't detect if fsck.%s may be used, proceeding: %m", what, fstype);
+ else if (r == 0) {
/* treat missing check as essentially OK */
- log_debug_errno(r, "Checking was requested for %s, but fsck.%s does not exist: %m", what, fstype);
+ log_debug("Checking was requested for %s, but fsck.%s does not exist.", what, fstype);
return 0;
- } else if (r < 0)
- return log_warning_errno(r, "Checking was requested for %s, but fsck.%s cannot be used: %m", what, fstype);
+ }
}
if (path_equal(where, "/")) {
- char *lnk;
+ const char *lnk;
lnk = strjoina(dir, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
} else {
- _cleanup_free_ char *fsck = NULL;
+ _cleanup_free_ char *_fsck = NULL;
+ const char *fsck;
- r = unit_name_from_path_instance("systemd-fsck", what, ".service", &fsck);
- if (r < 0)
- return log_error_errno(r, "Failed to create fsck service name: %m");
+ if (in_initrd() && path_equal(where, "/sysroot")) {
+ r = write_fsck_sysroot_service(dir, what);
+ if (r < 0)
+ return r;
+
+ fsck = "systemd-fsck-root.service";
+ } else {
+ r = unit_name_from_path_instance("systemd-fsck", what, ".service", &_fsck);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create fsck service name: %m");
+
+ fsck = _fsck;
+ }
fprintf(f,
- "RequiresOverridable=%1$s\n"
+ "Requires=%1$s\n"
"After=%1$s\n",
fsck);
}
usec_t u;
int r;
- r = fstab_filter_options(opts, "comment=systemd.device-timeout\0" "x-systemd.device-timeout\0",
+ r = fstab_filter_options(opts, "comment=systemd.device-timeout\0"
+ "x-systemd.device-timeout\0",
NULL, &timeout, filtered);
if (r <= 0)
return r;
- r = parse_sec(timeout, &u);
+ r = parse_sec_fix_0(timeout, &u);
if (r < 0) {
log_warning("Failed to parse timeout for %s, ignoring: %s", where, timeout);
return 0;
node = fstab_node_to_udev_node(what);
if (!node)
return log_oom();
+ if (!is_device_path(node)) {
+ log_warning("x-systemd.device-timeout ignored for %s", what);
+ return 0;
+ }
r = unit_name_from_path(node, ".device", &unit);
if (r < 0)
return write_drop_in_format(dir, unit, 50, "device-timeout",
"# Automatically generated by %s\n\n"
- "[Unit]\nJobTimeoutSec=" USEC_FMT,
+ "[Unit]\n"
+ "JobRunningTimeoutSec=%s",
+ program_invocation_short_name,
+ timeout);
+}
+
+int generator_write_device_deps(
+ const char *dir,
+ const char *what,
+ const char *where,
+ const char *opts) {
+
+ /* fstab records that specify _netdev option should apply the network
+ * ordering on the actual device depending on network connection. If we
+ * are not mounting real device (NFS, CIFS), we rely on _netdev effect
+ * on the mount unit itself. */
+
+ _cleanup_free_ char *node = NULL, *unit = NULL;
+ int r;
+
+ if (!fstab_test_option(opts, "_netdev\0"))
+ return 0;
+
+ node = fstab_node_to_udev_node(what);
+ if (!node)
+ return log_oom();
+
+ /* Nothing to apply dependencies to. */
+ if (!is_device_path(node))
+ return 0;
+
+ r = unit_name_from_path(node, ".device", &unit);
+ if (r < 0)
+ return log_error_errno(r, "Failed to make unit name from path: %m");
+
+ /* See mount_add_default_dependencies for explanation why we create such
+ * dependencies. */
+ return write_drop_in_format(dir, unit, 50, "netdev-dependencies",
+ "# Automatically generated by %s\n\n"
+ "[Unit]\n"
+ "After=" SPECIAL_NETWORK_ONLINE_TARGET " " SPECIAL_NETWORK_TARGET "\n"
+ "Wants=" SPECIAL_NETWORK_ONLINE_TARGET "\n",
+ program_invocation_short_name);
+}
+
+int generator_write_initrd_root_device_deps(const char *dir, const char *what) {
+ _cleanup_free_ char *unit = NULL;
+ int r;
+
+ r = unit_name_from_path(what, ".device", &unit);
+ if (r < 0)
+ return log_error_errno(r, "Failed to make unit name from path: %m");
+
+ return write_drop_in_format(dir, SPECIAL_INITRD_ROOT_DEVICE_TARGET, 50, "root-device",
+ "# Automatically generated by %s\n\n"
+ "[Unit]\n"
+ "Requires=%s\n"
+ "After=%s",
program_invocation_short_name,
- u / USEC_PER_SEC);
+ unit,
+ unit);
}
projects / thirdparty / systemd.git / blobdiff