systemctl: introduce --now for enable, disable and mask

https://bugs.freedesktop.org/show_bug.cgi?id=42940
This commit is contained in:
Jan Synacek
2015-05-15 11:59:36 +02:00
committed by Lennart Poettering
parent ce5b3ad450
commit 57ab2eabb8
8 changed files with 114 additions and 72 deletions
+5 -1
View File
@@ -1899,7 +1899,7 @@ int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet) {
return bus_wait_for_jobs(d, quiet);
}
int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet) {
int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes) {
const char *type, *path, *source;
int r;
@@ -1914,6 +1914,10 @@ int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet) {
else
log_info("Removed symlink %s.", path);
}
r = unit_file_changes_add(changes, n_changes, streq(type, "symlink") ? UNIT_FILE_SYMLINK : UNIT_FILE_UNLINK, path, source);
if (r < 0)
return r;
}
if (r < 0)
return bus_log_parse_error(r);
+2 -1
View File
@@ -24,6 +24,7 @@
#include "sd-event.h"
#include "sd-bus.h"
#include "hashmap.h"
#include "install.h"
#include "time-util.h"
typedef enum BusTransport {
@@ -201,7 +202,7 @@ int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet);
DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free);
int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet);
int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes);
int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
+1 -1
View File
@@ -1479,7 +1479,7 @@ static int enable_machine(int argc, char *argv[], void *userdata) {
return bus_log_parse_error(r);
}
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, NULL, NULL);
if (r < 0)
return r;
+56 -56
View File
@@ -112,51 +112,6 @@ static int get_config_path(UnitFileScope scope, bool runtime, const char *root_d
return 0;
}
static int add_file_change(
UnitFileChange **changes,
unsigned *n_changes,
UnitFileChangeType type,
const char *path,
const char *source) {
UnitFileChange *c;
unsigned i;
assert(path);
assert(!changes == !n_changes);
if (!changes)
return 0;
c = realloc(*changes, (*n_changes + 1) * sizeof(UnitFileChange));
if (!c)
return -ENOMEM;
*changes = c;
i = *n_changes;
c[i].type = type;
c[i].path = strdup(path);
if (!c[i].path)
return -ENOMEM;
path_kill_slashes(c[i].path);
if (source) {
c[i].source = strdup(source);
if (!c[i].source) {
free(c[i].path);
return -ENOMEM;
}
path_kill_slashes(c[i].path);
} else
c[i].source = NULL;
*n_changes = i+1;
return 0;
}
static int mark_symlink_for_removal(
Set **remove_symlinks_to,
const char *p) {
@@ -309,7 +264,7 @@ static int remove_marked_symlinks_fd(
path_kill_slashes(p);
rmdir_parents(p, config_path);
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, p, NULL);
unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, p, NULL);
if (!set_get(remove_symlinks_to, p)) {
@@ -596,7 +551,7 @@ int unit_file_mask(
}
if (symlink("/dev/null", path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
unit_file_changes_add(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
continue;
}
@@ -607,8 +562,8 @@ int unit_file_mask(
if (force) {
if (symlink_atomic("/dev/null", path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
unit_file_changes_add(changes, n_changes, UNIT_FILE_SYMLINK, path, "/dev/null");
continue;
}
}
@@ -664,7 +619,7 @@ int unit_file_unmask(
q = -errno;
else {
q = mark_symlink_for_removal(&remove_symlinks_to, path);
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
}
}
@@ -746,7 +701,7 @@ int unit_file_link(
return -ENOMEM;
if (symlink(*i, path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
unit_file_changes_add(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
continue;
}
@@ -765,8 +720,8 @@ int unit_file_link(
if (force) {
if (symlink_atomic(*i, path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, path, NULL);
unit_file_changes_add(changes, n_changes, UNIT_FILE_SYMLINK, path, *i);
continue;
}
}
@@ -793,6 +748,51 @@ void unit_file_list_free(Hashmap *h) {
hashmap_free(h);
}
int unit_file_changes_add(
UnitFileChange **changes,
unsigned *n_changes,
UnitFileChangeType type,
const char *path,
const char *source) {
UnitFileChange *c;
unsigned i;
assert(path);
assert(!changes == !n_changes);
if (!changes)
return 0;
c = realloc(*changes, (*n_changes + 1) * sizeof(UnitFileChange));
if (!c)
return -ENOMEM;
*changes = c;
i = *n_changes;
c[i].type = type;
c[i].path = strdup(path);
if (!c[i].path)
return -ENOMEM;
path_kill_slashes(c[i].path);
if (source) {
c[i].source = strdup(source);
if (!c[i].source) {
free(c[i].path);
return -ENOMEM;
}
path_kill_slashes(c[i].path);
} else
c[i].source = NULL;
*n_changes = i+1;
return 0;
}
void unit_file_changes_free(UnitFileChange *changes, unsigned n_changes) {
unsigned i;
@@ -1198,7 +1198,7 @@ static int create_symlink(
mkdir_parents_label(new_path, 0755);
if (symlink(old_path, new_path) >= 0) {
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
unit_file_changes_add(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
return 0;
}
@@ -1219,8 +1219,8 @@ static int create_symlink(
if (r < 0)
return r;
add_file_change(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL);
add_file_change(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL);
unit_file_changes_add(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path);
return 0;
}
+1
View File
@@ -120,6 +120,7 @@ UnitFileState unit_file_get_state(
int unit_file_get_list(UnitFileScope scope, const char *root_dir, Hashmap *h);
void unit_file_list_free(Hashmap *h);
int unit_file_changes_add(UnitFileChange **changes, unsigned *n_changes, UnitFileChangeType type, const char *path, const char *source);
void unit_file_changes_free(UnitFileChange *changes, unsigned n_changes);
int unit_file_query_preset(UnitFileScope scope, const char *root_dir, const char *name);
+24 -4
View File
@@ -136,6 +136,7 @@ static unsigned arg_lines = 10;
static OutputMode arg_output = OUTPUT_SHORT;
static bool arg_plain = false;
static bool arg_firmware_setup = false;
static bool arg_now = false;
static bool original_stdout_is_tty;
@@ -1973,7 +1974,7 @@ static int set_default(sd_bus *bus, char **args) {
return r;
}
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, NULL, NULL);
if (r < 0)
return r;
@@ -5388,7 +5389,7 @@ static int enable_unit(sd_bus *bus, char **args) {
return bus_log_parse_error(r);
}
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes);
if (r < 0)
return r;
@@ -5410,6 +5411,18 @@ static int enable_unit(sd_bus *bus, char **args) {
"3) A unit may be started when needed via activation (socket, path, timer,\n"
" D-Bus, udev, scripted systemctl call, ...).\n");
if (arg_now && n_changes > 0 && STR_IN_SET(args[0], "enable", "disable", "mask")) {
char *new_args[n_changes + 2];
unsigned i;
new_args[0] = streq(args[0], "enable") ? (char *)"start" : (char *)"stop";
for (i = 0; i < n_changes; i++)
new_args[i + 1] = basename(changes[i].path);
new_args[i + 1] = NULL;
r = start_unit(bus, new_args);
}
finish:
unit_file_changes_free(changes, n_changes);
@@ -5485,7 +5498,7 @@ static int add_dependency(sd_bus *bus, char **args) {
return r;
}
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, NULL, NULL);
if (r < 0)
return r;
@@ -5539,7 +5552,7 @@ static int preset_all(sd_bus *bus, char **args) {
return r;
}
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet);
r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, NULL, NULL);
if (r < 0)
return r;
@@ -6015,6 +6028,7 @@ static void systemctl_help(void) {
" When shutting down or sleeping, ignore inhibitors\n"
" --kill-who=WHO Who to send signal to\n"
" -s --signal=SIGNAL Which signal to send\n"
" --now Start or stop unit in addition to enabling or disabling it\n"
" -q --quiet Suppress output\n"
" --no-block Do not wait until operation finished\n"
" --no-wall Don't send wall message before halt/power-off/reboot\n"
@@ -6214,6 +6228,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
ARG_JOB_MODE,
ARG_PRESET_MODE,
ARG_FIRMWARE_SETUP,
ARG_NOW,
};
static const struct option options[] = {
@@ -6257,6 +6272,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
{ "recursive", no_argument, NULL, 'r' },
{ "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
{ "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
{ "now", no_argument, NULL, ARG_NOW },
{}
};
@@ -6537,6 +6553,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
break;
case ARG_NOW:
arg_now = true;
break;
case '?':
return -EINVAL;