X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fmachine%2Fmachinectl.c;h=11b2c004b86fdf51584b4b7f9bfa933fd00f1940;hb=3d7415f43f0fe6a821d7bc4a341ba371e8a30ef3;hp=bae2abe188134179050844c22c10859a08b155d8;hpb=f4c135bf2f0abcf79c89efbeae51f03bacba5f2f;p=elogind.git diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c index bae2abe18..11b2c004b 100644 --- a/src/machine/machinectl.c +++ b/src/machine/machinectl.c @@ -53,6 +53,7 @@ #include "mkdir.h" #include "copy.h" #include "verbs.h" +#include "import-util.h" static char **arg_property = NULL; static bool arg_all = false; @@ -69,6 +70,9 @@ static bool arg_quiet = false; static bool arg_ask_password = true; static unsigned arg_lines = 10; static OutputMode arg_output = OUTPUT_SHORT; +static bool arg_force = false; +static const char* arg_verify = NULL; +static const char* arg_dkr_index_url = NULL; static void pager_open_if_enabled(void) { @@ -135,13 +139,13 @@ static int list_machines(int argc, char *argv[], void *userdata) { "ListMachines", &error, &reply, - ""); + NULL); if (r < 0) { log_error("Could not get machines: %s", bus_error_message(&error, -r)); return r; } - r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssso)"); + r = sd_bus_message_enter_container(reply, 'a', "(ssso)"); if (r < 0) return bus_log_parse_error(r); @@ -1732,6 +1736,464 @@ static int enable_machine(int argc, char *argv[], void *userdata) { return 0; } +typedef struct PullContext { + const char *path; + int result; +} PullContext; + +static int match_log_message(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { + PullContext *c = userdata; + const char *line; + unsigned priority; + int r; + + assert(bus); + assert(m); + + r = sd_bus_message_read(m, "us", &priority, &line); + if (r < 0) { + bus_log_parse_error(r); + return 0; + } + + if (!streq_ptr(c->path, sd_bus_message_get_path(m))) + return 0; + + if (arg_quiet && LOG_PRI(priority) >= LOG_INFO) + return 0; + + log_full(priority, "%s", line); + return 0; +} + +static int match_transfer_removed(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) { + PullContext *c = userdata; + const char *path, *result; + uint32_t id; + int r; + + assert(bus); + assert(m); + assert(c); + + r = sd_bus_message_read(m, "uos", &id, &path, &result); + if (r < 0) { + bus_log_parse_error(r); + return 0; + } + + if (!streq_ptr(c->path, path)) + return 0; + + c->result = streq_ptr(result, "done"); + return 0; +} + +static int pull_image_common(sd_bus *bus, sd_bus_message *m) { + _cleanup_bus_slot_unref_ sd_bus_slot *slot_job_removed = NULL, *slot_log_message = NULL; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + PullContext c = { + .result = -1, + }; + uint32_t id; + int r; + + assert(bus); + assert(m); + + polkit_agent_open_if_enabled(); + + r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_add_match( + bus, + &slot_job_removed, + "type='signal'," + "sender='org.freedesktop.import1'," + "interface='org.freedesktop.import1.Manager'," + "member='TransferRemoved'," + "path='/org/freedesktop/import1'", + match_transfer_removed, &c); + if (r < 0) + return log_error_errno(r, "Failed to install match: %m"); + + r = sd_bus_add_match( + bus, + &slot_log_message, + "type='signal'," + "sender='org.freedesktop.import1'," + "interface='org.freedesktop.import1.Transfer'," + "member='LogMessage'", + match_log_message, &c); + if (r < 0) + return log_error_errno(r, "Failed to install match: %m"); + + r = sd_bus_call(bus, m, 0, &error, &reply); + if (r < 0) { + log_error("Failed pull image: %s", bus_error_message(&error, -r)); + return r; + } + + r = sd_bus_message_read(reply, "uo", &id, &c.path); + if (r < 0) + return bus_log_parse_error(r); + + for (;;) { + r = sd_bus_process(bus, NULL); + if (r < 0) + return r; + + /* The match sets this to NULL when we are done */ + if (c.result >= 0) + break; + + r = sd_bus_wait(bus, (uint64_t) -1); + if (r < 0) + return r; + } + + return c.result ? 0 : -EINVAL; +} + +static int pull_tar(int argc, char *argv[], void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *m = NULL; + _cleanup_free_ char *l = NULL, *ll = NULL; + const char *local, *remote; + sd_bus *bus = userdata; + int r; + + assert(bus); + + remote = argv[1]; + if (!http_url_is_valid(remote)) { + log_error("URL '%s' is not valid.", remote); + return -EINVAL; + } + + if (argc >= 3) + local = argv[2]; + else { + r = import_url_last_component(remote, &l); + if (r < 0) + return log_error_errno(r, "Failed to get final component of URL: %m"); + + local = l; + } + + if (isempty(local) || streq(local, "-")) + local = NULL; + + if (local) { + r = tar_strip_suffixes(local, &ll); + if (r < 0) + return log_error_errno(r, "Failed to strip tar suffixes: %m"); + + local = ll; + + if (!machine_name_is_valid(local)) { + log_error("Local name %s is not a suitable machine name.", local); + return -EINVAL; + } + } + + r = sd_bus_message_new_method_call( + bus, + &m, + "org.freedesktop.import1", + "/org/freedesktop/import1", + "org.freedesktop.import1.Manager", + "PullTar"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append( + m, + "sssb", + remote, + local, + arg_verify, + arg_force); + if (r < 0) + return bus_log_create_error(r); + + return pull_image_common(bus, m); +} + +static int pull_raw(int argc, char *argv[], void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *m = NULL; + _cleanup_free_ char *l = NULL, *ll = NULL; + const char *local, *remote; + sd_bus *bus = userdata; + int r; + + assert(bus); + + remote = argv[1]; + if (!http_url_is_valid(remote)) { + log_error("URL '%s' is not valid.", remote); + return -EINVAL; + } + + if (argc >= 3) + local = argv[2]; + else { + r = import_url_last_component(remote, &l); + if (r < 0) + return log_error_errno(r, "Failed to get final component of URL: %m"); + + local = l; + } + + if (isempty(local) || streq(local, "-")) + local = NULL; + + if (local) { + r = raw_strip_suffixes(local, &ll); + if (r < 0) + return log_error_errno(r, "Failed to strip tar suffixes: %m"); + + local = ll; + + if (!machine_name_is_valid(local)) { + log_error("Local name %s is not a suitable machine name.", local); + return -EINVAL; + } + } + + r = sd_bus_message_new_method_call( + bus, + &m, + "org.freedesktop.import1", + "/org/freedesktop/import1", + "org.freedesktop.import1.Manager", + "PullRaw"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append( + m, + "sssb", + remote, + local, + arg_verify, + arg_force); + if (r < 0) + return bus_log_create_error(r); + + return pull_image_common(bus, m); +} + +static int pull_dkr(int argc, char *argv[], void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *m = NULL; + _cleanup_free_ char *l = NULL, *ll = NULL; + const char *local, *remote, *tag; + sd_bus *bus = userdata; + int r; + + if (!streq_ptr(arg_dkr_index_url, "no")) { + log_error("Imports from DKR do not support image verification, please pass --verify=no."); + return -EINVAL; + } + + remote = argv[1]; + tag = strchr(remote, ':'); + if (tag) { + remote = strndupa(remote, tag - remote); + tag++; + } + + if (!dkr_name_is_valid(remote)) { + log_error("DKR name '%s' is invalid.", remote); + return -EINVAL; + } + if (tag && !dkr_tag_is_valid(tag)) { + log_error("DKR tag '%s' is invalid.", remote); + return -EINVAL; + } + + if (argc >= 3) + local = argv[2]; + else { + local = strchr(remote, '/'); + if (local) + local++; + else + local = remote; + } + + if (isempty(local) || streq(local, "-")) + local = NULL; + + if (local) { + if (!machine_name_is_valid(local)) { + log_error("Local name %s is not a suitable machine name.", local); + return -EINVAL; + } + } + + r = sd_bus_message_new_method_call( + bus, + &m, + "org.freedesktop.import1", + "/org/freedesktop/import1", + "org.freedesktop.import1.Manager", + "PullDkr"); + if (r < 0) + return bus_log_create_error(r); + + r = sd_bus_message_append( + m, + "sssssb", + arg_dkr_index_url, + remote, + tag, + local, + arg_verify, + arg_force); + if (r < 0) + return bus_log_create_error(r); + + return pull_image_common(bus, m); +} + +typedef struct TransferInfo { + uint32_t id; + const char *type; + const char *remote; + const char *local; +} TransferInfo; + +static int compare_transfer_info(const void *a, const void *b) { + const TransferInfo *x = a, *y = b; + + return strcmp(x->local, y->local); +} + +static int list_transfers(int argc, char *argv[], void *userdata) { + size_t max_type = strlen("TYPE"), max_local = strlen("LOCAL"), max_remote = strlen("REMOTE"); + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_free_ TransferInfo *transfers = NULL; + size_t n_transfers = 0, n_allocated = 0, j; + const char *type, *remote, *local, *object; + sd_bus *bus = userdata; + uint32_t id, max_id = 0; + int r; + + pager_open_if_enabled(); + + r = sd_bus_call_method( + bus, + "org.freedesktop.import1", + "/org/freedesktop/import1", + "org.freedesktop.import1.Manager", + "ListTransfers", + &error, + &reply, + NULL); + if (r < 0) { + log_error("Could not get transfers: %s", bus_error_message(&error, -r)); + return r; + } + + r = sd_bus_message_enter_container(reply, 'a', "(ussso)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(reply, "(ussso)", &id, &type, &remote, &local, &object)) > 0) { + size_t l; + + if (!GREEDY_REALLOC(transfers, n_allocated, n_transfers + 1)) + return log_oom(); + + transfers[n_transfers].id = id; + transfers[n_transfers].type = type; + transfers[n_transfers].remote = remote; + transfers[n_transfers].local = local; + + l = strlen(type); + if (l > max_type) + max_type = l; + + l = strlen(remote); + if (l > max_remote) + max_remote = l; + + l = strlen(local); + if (l > max_local) + max_local = l; + + if (id > max_id) + max_id = id; + + n_transfers ++; + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + qsort_safe(transfers, n_transfers, sizeof(TransferInfo), compare_transfer_info); + + if (arg_legend) + printf("%-*s %-*s %-*s %-*s\n", + (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), "ID", + (int) max_type, "TYPE", + (int) max_local, "LOCAL", + (int) max_remote, "REMOTE"); + + for (j = 0; j < n_transfers; j++) + printf("%*" PRIu32 " %-*s %-*s %-*s\n", + (int) MAX(2U, DECIMAL_STR_WIDTH(max_id)), transfers[j].id, + (int) max_type, transfers[j].type, + (int) max_local, transfers[j].local, + (int) max_remote, transfers[j].remote); + + if (arg_legend) + printf("\n%zu transfers listed.\n", n_transfers); + + return 0; +} + +static int cancel_transfer(int argc, char *argv[], void *userdata) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus *bus = userdata; + int r, i; + + assert(bus); + + polkit_agent_open_if_enabled(); + + for (i = 1; i < argc; i++) { + uint32_t id; + + r = safe_atou32(argv[i], &id); + if (r < 0) + return log_error_errno(r, "Failed to parse transfer id: %s", argv[i]); + + r = sd_bus_call_method( + bus, + "org.freedesktop.import1", + "/org/freedesktop/import1", + "org.freedesktop.import1.Manager", + "CancelTransfer", + &error, + NULL, + "u", id); + if (r < 0) { + log_error("Could not cancel transfer: %s", bus_error_message(&error, -r)); + return r; + } + } + + return 0; +} + static int help(int argc, char *argv[], void *userdata) { printf("%s [OPTIONS...] {COMMAND} ...\n\n" @@ -1755,7 +2217,12 @@ static int help(int argc, char *argv[], void *userdata) { " -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" + " json-pretty, json-sse, cat)\n" + " --verify=MODE Verification mode for downloaded images (no, sum,\n" + " signature)\n" + " --force Download image even if already exists\n" + " --dkr-index-url=URL Specify the index URL to use for DKR image\n" + " downloads\n\n" "Machine Commands:\n" " list List running VMs and containers\n" " status NAME... Show VM/container details\n" @@ -1778,7 +2245,13 @@ static int help(int argc, char *argv[], void *userdata) { " clone NAME NAME Clone an image\n" " rename NAME NAME Rename an image\n" " read-only NAME [BOOL] Mark or unmark image read-only\n" - " remove NAME... Remove an image\n" + " remove NAME... Remove an image\n\n" + "Transfer Commands:\n" + " pull-tar URL [NAME] Download a TAR image\n" + " pull-raw URL [NAME] Download a RAW image\n" + " pull-dkr REMOTE [NAME] Download a DKR image\n" + " list-transfers Show list of current downloads\n" + " cancel-transfer Cancel a download\n" , program_invocation_short_name); return 0; @@ -1794,6 +2267,9 @@ static int parse_argv(int argc, char *argv[]) { ARG_READ_ONLY, ARG_MKDIR, ARG_NO_ASK_PASSWORD, + ARG_VERIFY, + ARG_FORCE, + ARG_DKR_INDEX_URL, }; static const struct option options[] = { @@ -1814,6 +2290,9 @@ static int parse_argv(int argc, char *argv[]) { { "lines", required_argument, NULL, 'n' }, { "output", required_argument, NULL, 'o' }, { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, + { "verify", required_argument, NULL, ARG_VERIFY }, + { "force", no_argument, NULL, ARG_FORCE }, + { "dkr-index-url", required_argument, NULL, ARG_DKR_INDEX_URL }, {} }; @@ -1914,6 +2393,23 @@ static int parse_argv(int argc, char *argv[]) { arg_quiet = true; break; + case ARG_VERIFY: + arg_verify = optarg; + break; + + case ARG_FORCE: + arg_force = true; + break; + + case ARG_DKR_INDEX_URL: + if (!http_url_is_valid(optarg)) { + log_error("Index URL is invalid: %s", optarg); + return -EINVAL; + } + + arg_dkr_index_url = optarg; + break; + case '?': return -EINVAL; @@ -1927,28 +2423,33 @@ static int parse_argv(int argc, char *argv[]) { static int machinectl_main(int argc, char *argv[], sd_bus *bus) { static const Verb verbs[] = { - { "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_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 }, - { "kill", 2, VERB_ANY, 0, kill_machine }, - { "login", 2, 2, 0, login_machine }, - { "bind", 3, 4, 0, bind_mount }, - { "copy-to", 3, 4, 0, copy_files }, - { "copy-from", 3, 4, 0, copy_files }, - { "remove", 2, VERB_ANY, 0, remove_image }, - { "rename", 3, 3, 0, rename_image }, - { "clone", 3, 3, 0, clone_image }, - { "read-only", 2, 3, 0, read_only_image }, - { "start", 2, VERB_ANY, 0, start_machine }, - { "enable", 2, VERB_ANY, 0, enable_machine }, - { "disable", 2, VERB_ANY, 0, enable_machine }, + { "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_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 }, + { "kill", 2, VERB_ANY, 0, kill_machine }, + { "login", 2, 2, 0, login_machine }, + { "bind", 3, 4, 0, bind_mount }, + { "copy-to", 3, 4, 0, copy_files }, + { "copy-from", 3, 4, 0, copy_files }, + { "remove", 2, VERB_ANY, 0, remove_image }, + { "rename", 3, 3, 0, rename_image }, + { "clone", 3, 3, 0, clone_image }, + { "read-only", 2, 3, 0, read_only_image }, + { "start", 2, VERB_ANY, 0, start_machine }, + { "enable", 2, VERB_ANY, 0, enable_machine }, + { "disable", 2, VERB_ANY, 0, enable_machine }, + { "pull-tar", 2, 3, 0, pull_tar }, + { "pull-raw", 2, 3, 0, pull_raw }, + { "pull-dkr", 2, 3, 0, pull_dkr }, + { "list-transfers", VERB_ANY, 1, 0, list_transfers }, + { "cancel-transfer", 2, VERB_ANY, 0, cancel_transfer }, {} };