X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fmachine%2Fmachinectl.c;h=32f862d093441b93978c41401c68e2f1be6ad595;hb=3db729cb8e6822114e9323f4041dcdc080f2fb3c;hp=703fb3a3a0e8ad869e80bab9a663deb7879fa945;hpb=89f7c8465cd1ab37347dd0c15920bce31e8225df;p=elogind.git diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index 703fb3a3a..32f862d09 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -46,9 +46,9 @@ static char **arg_property = NULL; 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; static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; static char *arg_host = NULL; @@ -84,7 +84,8 @@ static int list_machines(sd_bus *bus, char **args, unsigned n) { return r; } - printf("%-32s %-9s %-16s\n", "MACHINE", "CONTAINER", "SERVICE"); + 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) @@ -102,7 +103,8 @@ static int list_machines(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - printf("\n%u machines listed.\n", k); + if (arg_legend) + printf("\n%u machines listed.\n", k); return 0; } @@ -395,6 +397,69 @@ static int terminate_machine(sd_bus *bus, char **args, unsigned n) { 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_pipe_ int pair[2] = { -1, -1 }; _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, rootfd = -1; @@ -497,7 +562,7 @@ static int login_machine(sd_bus *bus, char **args, unsigned n) { 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; } @@ -555,7 +620,7 @@ static int login_machine(sd_bus *bus, char **args, unsigned n) { return -EIO; } - r = sd_bus_open_system_container(args[1], &container_bus); + r = sd_bus_open_system_container(&container_bus, args[1]); if (r < 0) { log_error("Failed to get container bus: %s", strerror(-r)); return r; @@ -610,7 +675,7 @@ static int help(void) { " -h --help Show this help\n" " --version Show package version\n" " --no-pager Do not pipe output into a pager\n" - " --no-ask-password Don't prompt for password\n" + " --no-legend Do not show the headers and footers\n" " -H --host=[USER@]HOST Operate on remote host\n" " -M --machine=CONTAINER Operate on local container\n" " -p --property=NAME Show only properties by this name\n" @@ -624,6 +689,7 @@ static int help(void) { " 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); @@ -635,8 +701,8 @@ static int parse_argv(int argc, char *argv[]) { enum { ARG_VERSION = 0x100, ARG_NO_PAGER, + ARG_NO_LEGEND, ARG_KILL_WHO, - ARG_NO_ASK_PASSWORD, }; static const struct option options[] = { @@ -646,11 +712,11 @@ static int parse_argv(int argc, char *argv[]) { { "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' }, { "machine", required_argument, NULL, 'M' }, - { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, {} }; @@ -694,8 +760,8 @@ static int parse_argv(int argc, char *argv[]) { arg_no_pager = true; break; - case ARG_NO_ASK_PASSWORD: - arg_ask_password = false; + case ARG_NO_LEGEND: + arg_legend = false; break; case ARG_KILL_WHO: @@ -747,6 +813,7 @@ static int machinectl_main(sd_bus *bus, int argc, char *argv[]) { { "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 }, };