X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fmachine%2Fmachinectl.c;h=6180de10da5516edc8e70ce14891c17558f7e541;hb=8b0cc9a36c8f92f010f2e8465942d2cd7c580d78;hp=b1d170787b28c5c2f121f7491579b8ccda6e216c;hpb=06a079055a68dd73150ed002fad7059ad3b41235;p=elogind.git diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index b1d170787..6180de10d 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -44,6 +44,7 @@ #include "strv.h" #include "unit-name.h" #include "cgroup-show.h" +#include "logs-show.h" #include "cgroup-util.h" #include "ptyfwd.h" #include "event-util.h" @@ -64,6 +65,8 @@ static char *arg_host = NULL; static bool arg_read_only = false; static bool arg_mkdir = false; static bool arg_quiet = false; +static unsigned arg_lines = 10; +static OutputMode arg_output = OUTPUT_SHORT; static void pager_open_if_enabled(void) { @@ -74,13 +77,36 @@ static void pager_open_if_enabled(void) { pager_open(false); } +static OutputFlags get_output_flags(void) { + return + arg_all * OUTPUT_SHOW_ALL | + arg_full * OUTPUT_FULL_WIDTH | + (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | + on_tty() * OUTPUT_COLOR | + !arg_quiet * OUTPUT_WARN_CUTOFF; +} + +typedef struct MachineInfo { + const char *name; + const char *class; + const char *service; +} MachineInfo; + +static int compare_machine_info(const void *a, const void *b) { + const MachineInfo *x = a, *y = b; + + return strcmp(x->name, y->name); +} + static int list_machines(int argc, char *argv[], void *userdata) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + size_t max_name = strlen("MACHINE"), max_class = strlen("CLASS"), max_service = strlen("SERVICE"); _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_free_ MachineInfo *machines = NULL; const char *name, *class, *service, *object; + size_t n_machines = 0, n_allocated = 0, j; sd_bus *bus = userdata; - unsigned k = 0; int r; assert(bus); @@ -101,17 +127,33 @@ static int list_machines(int argc, char *argv[], void *userdata) { return r; } - 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) 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); + size_t l; - k++; + if (!GREEDY_REALLOC(machines, n_allocated, n_machines + 1)) + return log_oom(); + + machines[n_machines].name = name; + machines[n_machines].class = class; + machines[n_machines].service = service; + + l = strlen(name); + if (l > max_name) + max_name = l; + + l = strlen(class); + if (l > max_class) + max_class = l; + + l = strlen(service); + if (l > max_service) + max_service = l; + + n_machines ++; } if (r < 0) return bus_log_parse_error(r); @@ -120,8 +162,22 @@ static int list_machines(int argc, char *argv[], void *userdata) { if (r < 0) return bus_log_parse_error(r); + qsort_safe(machines, n_machines, sizeof(MachineInfo), compare_machine_info); + if (arg_legend) - printf("\n%u machines listed.\n", k); + printf("%-*s %-*s %-*s\n", + (int) max_name, "MACHINE", + (int) max_class, "CLASS", + (int) max_service, "SERVICE"); + + for (j = 0; j < n_machines; j++) + printf("%-*s %-*s %-*s\n", + (int) max_name, machines[j].name, + (int) max_class, machines[j].class, + (int) max_service, machines[j].service); + + if (arg_legend) + printf("\n%zu machines listed.\n", n_machines); return 0; } @@ -250,7 +306,6 @@ static int list_images(int argc, char *argv[], void *userdata) { (int) max_mtime, strna(format_timestamp(mtime_buf, sizeof(mtime_buf), images[j].mtime))); } - if (arg_legend) printf("\n%zu images listed.\n", n_images); @@ -262,7 +317,7 @@ static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ char *path = NULL; const char *cgroup; - int r, output_flags; + int r; unsigned c; assert(bus); @@ -299,17 +354,13 @@ static int show_unit_cgroup(sd_bus *bus, const char *unit, pid_t leader) { if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0) return 0; - output_flags = - arg_all * OUTPUT_SHOW_ALL | - arg_full * OUTPUT_FULL_WIDTH; - c = columns(); if (c > 18) c -= 18; else c = 0; - show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, output_flags); + show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, get_output_flags()); return 0; } @@ -424,7 +475,7 @@ typedef struct MachineStatusInfo { char *unit; char *root_directory; pid_t leader; - usec_t timestamp; + struct dual_timestamp timestamp; int *netif; unsigned n_netif; } MachineStatusInfo; @@ -444,8 +495,8 @@ static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) { else putchar('\n'); - s1 = format_timestamp_relative(since1, sizeof(since1), i->timestamp); - s2 = format_timestamp(since2, sizeof(since2), i->timestamp); + s1 = format_timestamp_relative(since1, sizeof(since1), i->timestamp.realtime); + s2 = format_timestamp(since2, sizeof(since2), i->timestamp.realtime); if (s1) printf("\t Since: %s; %s\n", s2, s1); @@ -509,6 +560,22 @@ static void print_machine_status_info(sd_bus *bus, MachineStatusInfo *i) { if (i->unit) { printf("\t Unit: %s\n", i->unit); show_unit_cgroup(bus, i->unit, i->leader); + + if (arg_transport == BUS_TRANSPORT_LOCAL) { + + show_journal_by_unit( + stdout, + i->unit, + arg_output, + 0, + i->timestamp.monotonic, + arg_lines, + 0, + get_output_flags() | OUTPUT_BEGIN_NEWLINE, + SD_JOURNAL_LOCAL_ONLY, + true, + NULL); + } } } @@ -536,15 +603,16 @@ static int map_netif(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_ static int show_machine_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) { 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) }, - { "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) }, - { "NetworkInterfaces", "ai", map_netif, 0 }, + { "Name", "s", NULL, offsetof(MachineStatusInfo, name) }, + { "Class", "s", NULL, offsetof(MachineStatusInfo, class) }, + { "Service", "s", NULL, offsetof(MachineStatusInfo, service) }, + { "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.realtime) }, + { "TimestampMonotonic", "t", NULL, offsetof(MachineStatusInfo, timestamp.monotonic) }, + { "Id", "ay", bus_map_id128, offsetof(MachineStatusInfo, id) }, + { "NetworkInterfaces", "ai", map_netif, 0 }, {} }; @@ -679,7 +747,7 @@ static void print_image_status_info(sd_bus *bus, ImageStatusInfo *i) { putchar('\n'); } - if (i->path) + if (i->type) printf("\t Type: %s\n", i->type); if (i->path) @@ -1231,16 +1299,43 @@ finish: return r; } +static int on_machine_removed(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { + PTYForward ** forward = (PTYForward**) userdata; + int r; + + assert(bus); + assert(m); + assert(forward); + + if (*forward) { + /* If the forwarder is already initialized, tell it to + * exit on the next vhangup(), so that we still flush + * out what might be queued and exit then. */ + + r = pty_forward_set_ignore_vhangup(*forward, false); + if (r >= 0) + return 0; + + log_error_errno(r, "Failed to set ignore_vhangup flag: %m"); + } + + /* On error, or when the forwarder is not initialized yet, quit immediately */ + sd_event_exit(sd_bus_get_event(bus), EXIT_FAILURE); + return 0; +} + static int login_machine(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; + _cleanup_bus_slot_unref_ sd_bus_slot *slot = NULL; _cleanup_(pty_forward_freep) PTYForward *forward = NULL; _cleanup_event_unref_ sd_event *event = NULL; int master = -1, r, ret = 0; sd_bus *bus = userdata; - const char *pty; + const char *pty, *match; sigset_t mask; char last_char = 0; + bool machine_died; assert(bus); @@ -1258,6 +1353,19 @@ static int login_machine(int argc, char *argv[], void *userdata) { if (r < 0) return log_error_errno(r, "Failed to attach bus to event loop: %m"); + match = strappenda("type='signal'," + "sender='org.freedesktop.machine1'," + "path='/org/freedesktop/machine1',", + "interface='org.freedesktop.machine1.Manager'," + "member='MachineRemoved'," + "arg0='", + argv[1], + "'"); + + r = sd_bus_add_match(bus, &slot, match, on_machine_removed, &forward); + if (r < 0) + return log_error_errno(r, "Failed to add machine removal match: %m"); + r = sd_bus_message_new_method_call(bus, &m, "org.freedesktop.machine1", @@ -1289,7 +1397,7 @@ static int login_machine(int argc, char *argv[], void *userdata) { sigset_add_many(&mask, SIGWINCH, SIGTERM, SIGINT, -1); assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0); - log_info("Connected to container %s. Press ^] three times within 1s to exit session.", argv[1]); + log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", argv[1]); sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); @@ -1302,14 +1410,18 @@ static int login_machine(int argc, char *argv[], void *userdata) { if (r < 0) return log_error_errno(r, "Failed to run event loop: %m"); - pty_forward_last_char(forward, &last_char); + pty_forward_get_last_char(forward, &last_char); + machine_died = pty_forward_get_ignore_vhangup(forward) == 0; forward = pty_forward_free(forward); if (last_char != '\n') fputc('\n', stdout); - log_info("Connection to container %s terminated.", argv[1]); + if (machine_died) + log_info("Machine %s terminated.", argv[1]); + else + log_info("Connection to machine %s terminated.", argv[1]); sd_event_get_exit_code(event, &ret); return ret; @@ -1606,7 +1718,11 @@ static int help(int argc, char *argv[], void *userdata) { " --kill-who=WHO Who to send signal to\n" " -s --signal=SIGNAL Which signal to send\n" " --read-only Create read-only bind mount\n" - " --mkdir Create directory before bind mounting, if missing\n\n" + " --mkdir Create directory before bind mounting, if missing\n" + " -n --lines=INTEGER Number of journal entries to show\n" + " -o --output=STRING Change journal output mode (short,\n" + " short-monotonic, verbose, export, json,\n" + " json-pretty, json-sse, cat)\n\n" "Machine Commands:\n" " list List running VMs and containers\n" " status NAME... Show VM/container details\n" @@ -1661,6 +1777,8 @@ static int parse_argv(int argc, char *argv[]) { { "read-only", no_argument, NULL, ARG_READ_ONLY }, { "mkdir", no_argument, NULL, ARG_MKDIR }, { "quiet", no_argument, NULL, 'q' }, + { "lines", required_argument, NULL, 'n' }, + { "output", required_argument, NULL, 'o' }, {} }; @@ -1669,7 +1787,7 @@ static int parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "hp:als:H:M:q", options, NULL)) >= 0) + while ((c = getopt_long(argc, argv, "hp:als:H:M:qn:o:", options, NULL)) >= 0) switch (c) { @@ -1700,6 +1818,21 @@ static int parse_argv(int argc, char *argv[]) { arg_full = true; break; + case 'n': + if (safe_atou(optarg, &arg_lines) < 0) { + log_error("Failed to parse lines '%s'", optarg); + return -EINVAL; + } + break; + + case 'o': + arg_output = output_mode_from_string(optarg); + if (arg_output < 0) { + log_error("Unknown output '%s'.", optarg); + return -EINVAL; + } + break; + case ARG_NO_PAGER: arg_no_pager = true; break;