1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "event-util.h"
28 #include "machine-image.h"
29 #include "import-tar.h"
30 #include "import-raw.h"
31 #include "import-dkr.h"
32 #include "import-util.h"
34 static bool arg_force = false;
35 static const char *arg_image_root = "/var/lib/machines";
36 static ImportVerify arg_verify = IMPORT_VERIFY_SIGNATURE;
37 static const char* arg_dkr_index_url = DEFAULT_DKR_INDEX_URL;
39 static void on_tar_finished(TarImport *import, int error, void *userdata) {
40 sd_event *event = userdata;
44 log_info("Operation completed successfully.");
46 sd_event_exit(event, EXIT_FAILURE);
49 static int strip_tar_suffixes(const char *name, char **ret) {
53 e = endswith(name, ".tar");
55 e = endswith(name, ".tar.xz");
57 e = endswith(name, ".tar.gz");
59 e = endswith(name, ".tar.bz2");
61 e = endswith(name, ".tgz");
68 s = strndup(name, e - name);
76 static int pull_tar(int argc, char *argv[], void *userdata) {
77 _cleanup_(tar_import_unrefp) TarImport *import = NULL;
78 _cleanup_event_unref_ sd_event *event = NULL;
79 const char *url, *local;
80 _cleanup_free_ char *l = NULL, *ll = NULL;
84 if (!http_url_is_valid(url)) {
85 log_error("URL '%s' is not valid.", url);
92 r = import_url_last_component(url, &l);
94 return log_error_errno(r, "Failed get final component of URL: %m");
99 if (isempty(local) || streq(local, "-"))
103 r = strip_tar_suffixes(local, &ll);
109 if (!machine_name_is_valid(local)) {
110 log_error("Local image name '%s' is not valid.", local);
115 r = image_find(local, NULL);
117 return log_error_errno(r, "Failed to check whether image '%s' exists: %m", local);
119 log_error_errno(EEXIST, "Image '%s' already exists.", local);
124 log_info("Pulling '%s', saving as '%s'.", url, local);
126 log_info("Pulling '%s'.", url);
128 r = sd_event_default(&event);
130 return log_error_errno(r, "Failed to allocate event loop: %m");
132 assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, -1) == 0);
133 sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
134 sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
136 r = tar_import_new(&import, event, arg_image_root, on_tar_finished, event);
138 return log_error_errno(r, "Failed to allocate importer: %m");
140 r = tar_import_pull(import, url, local, arg_force, arg_verify);
142 return log_error_errno(r, "Failed to pull image: %m");
144 r = sd_event_loop(event);
146 return log_error_errno(r, "Failed to run event loop: %m");
148 log_info("Exiting.");
153 static void on_raw_finished(RawImport *import, int error, void *userdata) {
154 sd_event *event = userdata;
158 log_info("Operation completed successfully.");
160 sd_event_exit(event, EXIT_FAILURE);
163 static int strip_raw_suffixes(const char *p, char **ret) {
164 static const char suffixes[] =
173 _cleanup_free_ char *q = NULL;
181 bool changed = false;
183 NULSTR_FOREACH(sfx, suffixes) {
186 e = endswith(q, sfx);
203 static int pull_raw(int argc, char *argv[], void *userdata) {
204 _cleanup_(raw_import_unrefp) RawImport *import = NULL;
205 _cleanup_event_unref_ sd_event *event = NULL;
206 const char *url, *local;
207 _cleanup_free_ char *l = NULL, *ll = NULL;
211 if (!http_url_is_valid(url)) {
212 log_error("URL '%s' is not valid.", url);
219 r = import_url_last_component(url, &l);
221 return log_error_errno(r, "Failed get final component of URL: %m");
226 if (isempty(local) || streq(local, "-"))
230 r = strip_raw_suffixes(local, &ll);
236 if (!machine_name_is_valid(local)) {
237 log_error("Local image name '%s' is not valid.", local);
242 r = image_find(local, NULL);
244 return log_error_errno(r, "Failed to check whether image '%s' exists: %m", local);
246 log_error_errno(EEXIST, "Image '%s' already exists.", local);
251 log_info("Pulling '%s', saving as '%s'.", url, local);
253 log_info("Pulling '%s'.", url);
255 r = sd_event_default(&event);
257 return log_error_errno(r, "Failed to allocate event loop: %m");
259 assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, -1) == 0);
260 sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
261 sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
263 r = raw_import_new(&import, event, arg_image_root, on_raw_finished, event);
265 return log_error_errno(r, "Failed to allocate importer: %m");
267 r = raw_import_pull(import, url, local, arg_force, arg_verify);
269 return log_error_errno(r, "Failed to pull image: %m");
271 r = sd_event_loop(event);
273 return log_error_errno(r, "Failed to run event loop: %m");
275 log_info("Exiting.");
280 static void on_dkr_finished(DkrImport *import, int error, void *userdata) {
281 sd_event *event = userdata;
285 log_info("Operation completed successfully.");
287 sd_event_exit(event, EXIT_FAILURE);
290 static int pull_dkr(int argc, char *argv[], void *userdata) {
291 _cleanup_(dkr_import_unrefp) DkrImport *import = NULL;
292 _cleanup_event_unref_ sd_event *event = NULL;
293 const char *name, *tag, *local;
296 if (!arg_dkr_index_url) {
297 log_error("Please specify an index URL with --dkr-index-url=");
301 if (arg_verify != IMPORT_VERIFY_NO) {
302 log_error("Imports from dkr do not support image verification, please pass --verify=no.");
306 tag = strchr(argv[1], ':');
308 name = strndupa(argv[1], tag - argv[1]);
315 if (!dkr_name_is_valid(name)) {
316 log_error("Remote name '%s' is not valid.", name);
320 if (!dkr_tag_is_valid(tag)) {
321 log_error("Tag name '%s' is not valid.", tag);
328 local = strchr(name, '/');
335 if (isempty(local) || streq(local, "-"))
339 if (!machine_name_is_valid(local)) {
340 log_error("Local image name '%s' is not valid.", local);
345 r = image_find(local, NULL);
347 return log_error_errno(r, "Failed to check whether image '%s' exists: %m", local);
349 log_error_errno(EEXIST, "Image '%s' already exists.", local);
354 log_info("Pulling '%s' with tag '%s', saving as '%s'.", name, tag, local);
356 log_info("Pulling '%s' with tag '%s'.", name, tag);
358 r = sd_event_default(&event);
360 return log_error_errno(r, "Failed to allocate event loop: %m");
362 assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, -1) == 0);
363 sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
364 sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
366 r = dkr_import_new(&import, event, arg_dkr_index_url, arg_image_root, on_dkr_finished, event);
368 return log_error_errno(r, "Failed to allocate importer: %m");
370 r = dkr_import_pull(import, name, tag, local, arg_force);
372 return log_error_errno(r, "Failed to pull image: %m");
374 r = sd_event_loop(event);
376 return log_error_errno(r, "Failed to run event loop: %m");
378 log_info("Exiting.");
383 static int help(int argc, char *argv[], void *userdata) {
385 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
386 "Import container or virtual machine image.\n\n"
387 " -h --help Show this help\n"
388 " --version Show package version\n"
389 " --force Force creation of image\n"
390 " --verify= Verify downloaded image, one of: 'no', 'sum'\n"
392 " --image-root= Image root directory\n"
393 " --dkr-index-url=URL Specify index URL to use for downloads\n\n"
395 " pull-tar URL [NAME] Download a TAR image\n"
396 " pull-raw URL [NAME] Download a RAW image\n"
397 " pull-dkr REMOTE [NAME] Download a DKR image\n",
398 program_invocation_short_name);
403 static int parse_argv(int argc, char *argv[]) {
413 static const struct option options[] = {
414 { "help", no_argument, NULL, 'h' },
415 { "version", no_argument, NULL, ARG_VERSION },
416 { "force", no_argument, NULL, ARG_FORCE },
417 { "dkr-index-url", required_argument, NULL, ARG_DKR_INDEX_URL },
418 { "image-root", required_argument, NULL, ARG_IMAGE_ROOT },
419 { "verify", required_argument, NULL, ARG_VERIFY },
428 while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
433 return help(0, NULL, NULL);
436 puts(PACKAGE_STRING);
437 puts(SYSTEMD_FEATURES);
444 case ARG_DKR_INDEX_URL:
445 if (!http_url_is_valid(optarg)) {
446 log_error("Index URL is not valid: %s", optarg);
450 arg_dkr_index_url = optarg;
454 arg_image_root = optarg;
458 arg_verify = import_verify_from_string(optarg);
459 if (arg_verify < 0) {
460 log_error("Invalid verification setting '%s'", optarg);
470 assert_not_reached("Unhandled option");
476 static int import_main(int argc, char *argv[]) {
478 static const Verb verbs[] = {
479 { "help", VERB_ANY, VERB_ANY, 0, help },
480 { "pull-tar", 2, 3, 0, pull_tar },
481 { "pull-raw", 2, 3, 0, pull_raw },
482 { "pull-dkr", 2, 3, 0, pull_dkr },
486 return dispatch_verb(argc, argv, verbs, NULL);
489 int main(int argc, char *argv[]) {
492 setlocale(LC_ALL, "");
493 log_parse_environment();
496 r = parse_argv(argc, argv);
500 r = import_main(argc, argv);
503 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;