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-rw-r--r--man/machinectl.xml72
-rw-r--r--src/machine/machinectl.c85
2 files changed, 64 insertions, 93 deletions
diff --git a/man/machinectl.xml b/man/machinectl.xml
index 89dca9cf89..2f2e2571f5 100644
--- a/man/machinectl.xml
+++ b/man/machinectl.xml
@@ -203,14 +203,45 @@
</varlistentry>
<varlistentry>
- <term><command>terminate</command> <replaceable>ID</replaceable>...</term>
+ <term><command>login</command> <replaceable>ID</replaceable></term>
- <listitem><para>Terminates a virtual
- machine or container. This kills all
- processes of the virtual machine or
- container and deallocates all
- resources attached to that
- instance.</para></listitem>
+ <listitem><para>Open a terminal login
+ session to a container. This will
+ create a TTY connection to a specific
+ container and asks for the execution of a
+ getty on it. Note that this is only
+ supported for containers running
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ as init system.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>reboot</command> <replaceable>ID</replaceable>...</term>
+
+ <listitem><para>Reboot one or more
+ containers. This will trigger a reboot
+ by sending SIGINT to the container's
+ init process, which is roughly
+ equivalent to pressing Ctrl+Alt+Del on
+ a non-containerized system, and is
+ compatible with containers running any
+ init system.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>poweroff</command> <replaceable>ID</replaceable>...</term>
+
+ <listitem><para>Power off one or more
+ containers. This will trigger a reboot
+ by sending SIGRTMIN+4 to the
+ container's init process, which causes
+ systemd-compatible init systems to
+ shut down cleanly. This operation does
+ not work on containers that do not run
+ a
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>-compatible
+ init system, such as
+ sysvinit.</para></listitem>
</varlistentry>
<varlistentry>
@@ -229,29 +260,16 @@
</varlistentry>
<varlistentry>
- <term><command>reboot</command> <replaceable>ID</replaceable>...</term>
+ <term><command>terminate</command> <replaceable>ID</replaceable>...</term>
- <listitem><para>Reboot one or more
- containers. This will trigger a reboot
- by sending SIGINT to the container's
- init process, which is roughly
- equivalent to pressing Ctrl+Alt+Del on
- a non-containerized
- system.</para></listitem>
+ <listitem><para>Terminates a virtual
+ machine or container. This kills all
+ processes of the virtual machine or
+ container and deallocates all
+ resources attached to that
+ instance.</para></listitem>
</varlistentry>
- <varlistentry>
- <term><command>login</command> <replaceable>ID</replaceable></term>
-
- <listitem><para>Open a terminal login
- session to a container. This will
- create a TTY connection to a specific
- container and asks for the execution of a
- getty on it. Note that this is only
- supported for containers running
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
- as init system.</para></listitem>
- </varlistentry>
</variablelist>
</refsect1>
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 32f862d093..2183d5c397 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -370,91 +370,42 @@ static int kill_machine(sd_bus *bus, char **args, unsigned n) {
return 0;
}
-static int terminate_machine(sd_bus *bus, char **args, unsigned n) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- unsigned i;
-
- assert(args);
+static int reboot_machine(sd_bus *bus, char **args, unsigned n) {
+ arg_kill_who = "leader";
+ arg_signal = SIGINT; /* sysvinit + systemd */
- for (i = 1; i < n; i++) {
- int r;
+ return kill_machine(bus, args, n);
+}
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.machine1",
- "/org/freedesktop/machine1",
- "org.freedesktop.machine1.Manager",
- "TerminateMachine",
- &error,
- NULL,
- "s", args[i]);
- if (r < 0) {
- log_error("Could not terminate machine: %s", bus_error_message(&error, -r));
- return r;
- }
- }
+static int poweroff_machine(sd_bus *bus, char **args, unsigned n) {
+ arg_kill_who = "leader";
+ arg_signal = SIGRTMIN+4; /* only systemd */
- return 0;
+ return kill_machine(bus, args, n);
}
-static int reboot_machine(sd_bus *bus, char **args, unsigned n) {
+static int terminate_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;
+ int r;
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
- "GetMachine",
+ "TerminateMachine",
&error,
- &reply,
+ NULL,
"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));
+ log_error("Could not terminate machine: %s", bus_error_message(&error, -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;
@@ -687,10 +638,11 @@ static int help(void) {
" 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"
+ " poweroff NAME... Power off one or more containers\n"
" reboot NAME... Reboot one or more containers\n"
- " login NAME Get a login prompt on a container\n",
+ " kill NAME... Send signal to processes of a VM/container\n"
+ " terminate NAME... Terminate one or more VMs/containers\n",
program_invocation_short_name);
return 0;
@@ -814,6 +766,7 @@ static int machinectl_main(sd_bus *bus, int argc, char *argv[]) {
{ "show", MORE, 1, show },
{ "terminate", MORE, 2, terminate_machine },
{ "reboot", MORE, 2, reboot_machine },
+ { "poweroff", MORE, 2, poweroff_machine },
{ "kill", MORE, 2, kill_machine },
{ "login", MORE, 2, login_machine },
};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-25 04:17:45 +0000