static bool arg_all = false;
static bool arg_full = false;
static bool arg_no_pager = false;
+static bool arg_legend = true;
static const char *arg_kill_who = NULL;
static int arg_signal = SIGTERM;
static bool arg_ask_password = true;
return r;
}
- if (on_tty())
+ if (arg_legend)
printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE");
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)");
if (r < 0)
- goto fail;
+ return bus_log_parse_error(r);
while ((r = sd_bus_message_read(reply, "(ssso)", &name, &class, &service, &object)) > 0) {
printf("%-32s %-9s %-16s\n", name, class, service);
k++;
}
if (r < 0)
- goto fail;
+ return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
- goto fail;
+ return bus_log_parse_error(r);
- if (on_tty())
+ if (arg_legend)
printf("\n%u machines listed.\n", k);
return 0;
-
-fail:
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
}
-static int show_scope_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
+static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *path = NULL;
bus,
"org.freedesktop.systemd1",
path,
- "org.freedesktop.systemd1.Scope",
+ endswith(unit, ".scope") ? "org.freedesktop.systemd1.Scope" : "org.freedesktop.systemd1.Service",
"ControlGroup",
&error,
&reply,
}
r = sd_bus_message_read(reply, "s", &cgroup);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
if (isempty(cgroup))
return 0;
sd_id128_t id;
char *class;
char *service;
- char *scope;
+ char *unit;
char *root_directory;
pid_t leader;
usec_t timestamp;
if (i->root_directory)
printf("\t Root: %s\n", i->root_directory);
- if (i->scope) {
- printf("\t Unit: %s\n", i->scope);
- show_scope_cgroup(bus, i->scope, i->leader);
+ if (i->unit) {
+ printf("\t Unit: %s\n", i->unit);
+ show_unit_cgroup(bus, i->unit, i->leader);
}
}
static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) {
- MachineStatusInfo info = {};
+
static const struct bus_properties_map map[] = {
{ "Name", "s", NULL, offsetof(MachineStatusInfo, name) },
{ "Class", "s", NULL, offsetof(MachineStatusInfo, class) },
{ "Service", "s", NULL, offsetof(MachineStatusInfo, service) },
- { "Scope", "s", NULL, offsetof(MachineStatusInfo, scope) },
+ { "Unit", "s", NULL, offsetof(MachineStatusInfo, unit) },
{ "RootDirectory", "s", NULL, offsetof(MachineStatusInfo, root_directory) },
{ "Leader", "u", NULL, offsetof(MachineStatusInfo, leader) },
{ "Timestamp", "t", NULL, offsetof(MachineStatusInfo, timestamp) },
{ "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) },
{}
};
+
+ MachineStatusInfo info = {};
int r;
assert(path);
free(info.name);
free(info.class);
free(info.service);
- free(info.scope);
+ free(info.unit);
free(info.root_directory);
return r;
/* If no argument is specified, inspect the manager
* itself */
r = show_properties(bus, "/org/freedesktop/machine1", &new_line);
- if (r < 0) {
- log_error("Failed to query properties: %s", strerror(-r));
+ if (r < 0)
return r;
- }
}
for (i = 1; i < n; i++) {
}
r = sd_bus_message_read(reply, "o", &path);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- break;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
if (properties)
r = show_properties(bus, path, &new_line);
return 0;
}
+static int reboot_machine(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ unsigned i;
+ int r;
+
+ assert(args);
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL) {
+ log_error("Reboot only supported on local machines.");
+ return -ENOTSUP;
+ }
+
+ for (i = 1; i < n; i++) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *reply2 = NULL;
+ const char *path;
+ uint32_t leader;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.machine1",
+ "/org/freedesktop/machine1",
+ "org.freedesktop.machine1.Manager",
+ "GetMachine",
+ &error,
+ &reply,
+ "s", args[i]);
+
+ if (r < 0) {
+ log_error("Could not get path to machine: %s", bus_error_message(&error, -r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_get_property(
+ bus,
+ "org.freedesktop.machine1",
+ path,
+ "org.freedesktop.machine1.Machine",
+ "Leader",
+ &error,
+ &reply2,
+ "u");
+ if (r < 0) {
+ log_error("Failed to retrieve PID of leader: %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_bus_message_read(reply2, "u", &leader);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (kill(leader, SIGINT) < 0) {
+ log_error("Failed to kill init process " PID_FMT ": %m", (pid_t) leader);
+ return -errno;
+ }
+ }
+
+ return 0;
+}
+
static int openpt_in_namespace(pid_t pid, int flags) {
- _cleanup_close_ int nsfd = -1, rootfd = -1;
- _cleanup_free_ char *ns = NULL, *root = NULL;
- _cleanup_close_pipe_ int sock[2] = { -1, -1 };
+ _cleanup_close_pipe_ int pair[2] = { -1, -1 };
+ _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1;
union {
struct cmsghdr cmsghdr;
uint8_t buf[CMSG_SPACE(sizeof(int))];
pid_t child;
siginfo_t si;
- r = asprintf(&ns, "/proc/%lu/ns/mnt", (unsigned long) pid);
- if (r < 0)
- return -ENOMEM;
-
- nsfd = open(ns, O_RDONLY|O_NOCTTY|O_CLOEXEC);
- if (nsfd < 0)
- return -errno;
-
- r = asprintf(&root, "/proc/%lu/root", (unsigned long) pid);
+ r = namespace_open(pid, &pidnsfd, &mntnsfd, &rootfd);
if (r < 0)
- return -ENOMEM;
-
- rootfd = open(root, O_RDONLY|O_NOCTTY|O_CLOEXEC|O_DIRECTORY);
- if (rootfd < 0)
- return -errno;
+ return r;
- if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sock) < 0)
+ if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)
return -errno;
child = fork();
return -errno;
if (child == 0) {
- close_nointr_nofail(sock[0]);
- sock[0] = -1;
+ close_nointr_nofail(pair[0]);
+ pair[0] = -1;
- r = setns(nsfd, CLONE_NEWNS);
+ r = namespace_enter(pidnsfd, mntnsfd, rootfd);
if (r < 0)
_exit(EXIT_FAILURE);
- if (fchdir(rootfd) < 0)
- _exit(EXIT_FAILURE);
-
- if (chroot(".") < 0)
- _exit(EXIT_FAILURE);
-
master = posix_openpt(flags);
if (master < 0)
_exit(EXIT_FAILURE);
mh.msg_controllen = cmsg->cmsg_len;
- r = sendmsg(sock[1], &mh, MSG_NOSIGNAL);
- close_nointr_nofail(master);
- if (r < 0)
+ if (sendmsg(pair[1], &mh, MSG_NOSIGNAL) < 0)
_exit(EXIT_FAILURE);
_exit(EXIT_SUCCESS);
}
- close_nointr_nofail(sock[1]);
- sock[1] = -1;
+ close_nointr_nofail(pair[1]);
+ pair[1] = -1;
+
+ r = wait_for_terminate(child, &si);
+ if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) {
+
+ return r < 0 ? r : -EIO;
+ }
- if (recvmsg(sock[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
+ if (recvmsg(pair[0], &mh, MSG_NOSIGNAL|MSG_CMSG_CLOEXEC) < 0)
return -errno;
for (cmsg = CMSG_FIRSTHDR(&mh); cmsg; cmsg = CMSG_NXTHDR(&mh, cmsg))
master = fds[0];
}
- r = wait_for_terminate(child, &si);
- if (r < 0 || si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS || master < 0) {
-
- if (master >= 0)
- close_nointr_nofail(master);
-
- return r < 0 ? r : -EIO;
- }
+ if (master < 0)
+ return -EIO;
return master;
}
assert(args);
if (arg_transport != BUS_TRANSPORT_LOCAL) {
- log_error("Login only support on local machines.");
+ log_error("Login only supported on local machines.");
return -ENOTSUP;
}
}
r = sd_bus_message_read(reply, "o", &path);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
r = sd_bus_get_property(
bus,
}
r = sd_bus_message_read(reply2, "u", &leader);
- if (r < 0) {
- log_error("Failed to parse reply: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return bus_log_parse_error(r);
master = openpt_in_namespace(leader, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY);
if (master < 0) {
return r;
}
+ container_bus = sd_bus_unref(container_bus);
+
assert_se(sigemptyset(&mask) == 0);
sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1);
assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
" -h --help Show this help\n"
" --version Show package version\n"
" --no-pager Do not pipe output into a pager\n"
+ " --no-legend Do not show the headers and footers\n"
" --no-ask-password Don't prompt for password\n"
" -H --host=[USER@]HOST Operate on remote host\n"
" -M --machine=CONTAINER Operate on local container\n"
" -s --signal=SIGNAL Which signal to send\n\n"
"Commands:\n"
" list List running VMs and containers\n"
- " status [NAME...] Show VM/container status\n"
- " show [NAME...] Show properties of one or more VMs/containers\n"
- " terminate [NAME...] Terminate one or more VMs/containers\n"
- " kill [NAME...] Send signal to processes of a VM/container\n"
- " login [NAME] Get a login prompt on a container\n",
+ " status NAME... Show VM/container status\n"
+ " show NAME... Show properties of one or more VMs/containers\n"
+ " terminate NAME... Terminate one or more VMs/containers\n"
+ " kill NAME... Send signal to processes of a VM/container\n"
+ " reboot NAME... Reboot one or more containers\n"
+ " login NAME Get a login prompt on a container\n",
program_invocation_short_name);
return 0;
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
+ ARG_NO_LEGEND,
ARG_KILL_WHO,
ARG_NO_ASK_PASSWORD,
};
{ "all", no_argument, NULL, 'a' },
{ "full", no_argument, NULL, 'l' },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
{ "kill-who", required_argument, NULL, ARG_KILL_WHO },
{ "signal", required_argument, NULL, 's' },
{ "host", required_argument, NULL, 'H' },
arg_no_pager = true;
break;
+ case ARG_NO_LEGEND:
+ arg_legend = false;
+ break;
+
case ARG_NO_ASK_PASSWORD:
arg_ask_password = false;
break;
{ "status", MORE, 2, show },
{ "show", MORE, 1, show },
{ "terminate", MORE, 2, terminate_machine },
+ { "reboot", MORE, 2, reboot_machine },
{ "kill", MORE, 2, kill_machine },
{ "login", MORE, 2, login_machine },
};
left = argc - optind;
if (left <= 0)
- /* Special rule: no arguments means "list-sessions" */
+ /* Special rule: no arguments means "list" */
i = 0;
else {
if (streq(argv[optind], "help")) {
~ianmdlvl / elogind.git / blobdiff