From: Lennart Poettering Date: Fri, 26 Dec 2014 19:09:04 +0000 (+0100) Subject: machinectl: add status commands X-Git-Tag: v219~795 X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=fefdc04b38725457a91651218feb7000f6ccc1f4 machinectl: add status commands --- diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index 04e6cb940..0f69734dc 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -525,7 +525,7 @@ static int map_netif(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_ return 0; } -static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) { +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) }, @@ -572,7 +572,7 @@ static int show_info(const char *verb, sd_bus *bus, const char *path, bool *new_ return r; } -static int show_properties(sd_bus *bus, const char *path, bool *new_line) { +static int show_machine_properties(sd_bus *bus, const char *path, bool *new_line) { int r; assert(bus); @@ -591,7 +591,7 @@ static int show_properties(sd_bus *bus, const char *path, bool *new_line) { return r; } -static int show(int argc, char *argv[], void *userdata) { +static int show_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 *reply = NULL; @@ -609,7 +609,7 @@ static int show(int argc, char *argv[], void *userdata) { /* If no argument is specified, inspect the manager * itself */ - r = show_properties(bus, "/org/freedesktop/machine1", &new_line); + r = show_machine_properties(bus, "/org/freedesktop/machine1", &new_line); if (r < 0) return r; } @@ -636,9 +636,169 @@ static int show(int argc, char *argv[], void *userdata) { return bus_log_parse_error(r); if (properties) - r = show_properties(bus, path, &new_line); + r = show_machine_properties(bus, path, &new_line); else - r = show_info(argv[0], bus, path, &new_line); + r = show_machine_info(argv[0], bus, path, &new_line); + } + + return r; +} + +typedef struct ImageStatusInfo { + char *name; + char *path; + char *type; + int read_only; + usec_t crtime; + usec_t mtime; +} ImageStatusInfo; + +static void print_image_status_info(sd_bus *bus, ImageStatusInfo *i) { + char ts_relative[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1; + char ts_absolute[FORMAT_TIMESTAMP_MAX], *s2; + + assert(bus); + assert(i); + + if (i->name) { + fputs(i->name, stdout); + putchar('\n'); + } + + if (i->path) + printf("\t Type: %s\n", i->type); + + if (i->path) + printf("\t Path: %s\n", i->path); + + printf("\t RO: %s%s%s\n", + i->read_only ? ansi_highlight_red() : "", + i->read_only ? "read-only" : "writable", + i->read_only ? ansi_highlight_off() : ""); + + s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->crtime); + s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->crtime); + if (s1) + printf("\t Created: %s; %s\n", s2, s1); + else if (s2) + printf("\t Created: %s\n", s2); + + s1 = format_timestamp_relative(ts_relative, sizeof(ts_relative), i->mtime); + s2 = format_timestamp(ts_absolute, sizeof(ts_absolute), i->mtime); + if (s1) + printf("\tModified: %s; %s\n", s2, s1); + else if (s2) + printf("\tModified: %s\n", s2); +} + +static int show_image_info(const char *verb, sd_bus *bus, const char *path, bool *new_line) { + + static const struct bus_properties_map map[] = { + { "Name", "s", NULL, offsetof(ImageStatusInfo, name) }, + { "Path", "s", NULL, offsetof(ImageStatusInfo, path) }, + { "Type", "s", NULL, offsetof(ImageStatusInfo, type) }, + { "ReadOnly", "b", NULL, offsetof(ImageStatusInfo, read_only) }, + { "CreationTimestamp", "t", NULL, offsetof(ImageStatusInfo, crtime) }, + { "ModificationTimestamp", "t", NULL, offsetof(ImageStatusInfo, mtime) }, + {} + }; + + ImageStatusInfo info = {}; + int r; + + assert(verb); + assert(bus); + assert(path); + assert(new_line); + + r = bus_map_all_properties(bus, + "org.freedesktop.machine1", + path, + map, + &info); + if (r < 0) + return log_error_errno(r, "Could not get properties: %m"); + + if (*new_line) + printf("\n"); + *new_line = true; + + print_image_status_info(bus, &info); + + free(info.name); + free(info.path); + free(info.type); + + return r; +} + +static int show_image_properties(sd_bus *bus, const char *path, bool *new_line) { + int r; + + assert(bus); + assert(path); + assert(new_line); + + if (*new_line) + printf("\n"); + + *new_line = true; + + r = bus_print_all_properties(bus, "org.freedesktop.machine1", path, arg_property, arg_all); + if (r < 0) + log_error_errno(r, "Could not get properties: %m"); + + return r; +} + +static int show_image(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 *reply = NULL; + bool properties, new_line = false; + sd_bus *bus = userdata; + int r = 0, i; + + assert(bus); + + properties = !strstr(argv[0], "status"); + + pager_open_if_enabled(); + + if (properties && argc <= 1) { + + /* If no argument is specified, inspect the manager + * itself */ + r = show_image_properties(bus, "/org/freedesktop/machine1", &new_line); + if (r < 0) + return r; + } + + for (i = 1; i < argc; i++) { + const char *path = NULL; + + r = sd_bus_call_method( + bus, + "org.freedesktop.machine1", + "/org/freedesktop/machine1", + "org.freedesktop.machine1.Manager", + "GetImage", + &error, + &reply, + "s", argv[i]); + if (r < 0) { + log_error("Could not get path to image: %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); + + if (properties) + r = show_image_properties(bus, path, &new_line); + else + r = show_image_info(argv[0], bus, path, &new_line); } return r; @@ -1143,7 +1303,7 @@ static int help(int argc, char *argv[], void *userdata) { " --mkdir Create directory before bind mounting, if missing\n\n" "Machine Commands:\n" " list List running VMs and containers\n" - " status NAME... Show VM/container status\n" + " status NAME... Show VM/container details\n" " show NAME... Show properties of one or more VMs/containers\n" " login NAME Get a login prompt on a container\n" " poweroff NAME... Power off one or more containers\n" @@ -1153,8 +1313,10 @@ static int help(int argc, char *argv[], void *userdata) { " bind NAME PATH [PATH] Bind mount a path from the host into a container\n" " copy-to NAME PATH [PATH] Copy files from the host to a container\n" " copy-from NAME PATH [PATH] Copy files from a container to the host\n\n" - "Image commands:\n" - " list-images Show available images\n", + "Image Commands:\n" + " list-images Show available images\n" + " image-status NAME... Show image details\n" + " show-image NAME... Show properties of image\n", program_invocation_short_name); return 0; @@ -1278,8 +1440,10 @@ static int machinectl_main(int argc, char *argv[], sd_bus *bus) { { "help", VERB_ANY, VERB_ANY, 0, help }, { "list", VERB_ANY, 1, VERB_DEFAULT, list_machines }, { "list-images", VERB_ANY, 1, 0, list_images }, - { "status", 2, VERB_ANY, 0, show }, - { "show", VERB_ANY, VERB_ANY, 0, show }, + { "status", 2, VERB_ANY, 0, show_machine }, + { "image-status",2, VERB_ANY, 0, show_image }, + { "show", VERB_ANY, VERB_ANY, 0, show_machine }, + { "show-image", VERB_ANY, VERB_ANY, 0, show_image }, { "terminate", 2, VERB_ANY, 0, terminate_machine }, { "reboot", 2, VERB_ANY, 0, reboot_machine }, { "poweroff", 2, VERB_ANY, 0, poweroff_machine },