diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 17:44:16 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-12 17:44:16 -0400 |
commit | f7a649ae84b76e91ab70db924190727f9a2b7c22 (patch) | |
tree | 311f4d415b767b6d331d9fb42139246755397f11 /src/import/import.c | |
parent | 3995a53b0db59471e4ccc3d92276a0d8831d3865 (diff) |
./move.sh
Diffstat (limited to 'src/import/import.c')
-rw-r--r-- | src/import/import.c | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/src/import/import.c b/src/import/import.c deleted file mode 100644 index 4e442ee84a..0000000000 --- a/src/import/import.c +++ /dev/null @@ -1,337 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2015 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <getopt.h> - -#include "sd-event.h" - -#include "alloc-util.h" -#include "fd-util.h" -#include "fs-util.h" -#include "hostname-util.h" -#include "import-raw.h" -#include "import-tar.h" -#include "import-util.h" -#include "machine-image.h" -#include "signal-util.h" -#include "string-util.h" -#include "verbs.h" - -static bool arg_force = false; -static bool arg_read_only = false; -static const char *arg_image_root = "/var/lib/machines"; - -static int interrupt_signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) { - log_notice("Transfer aborted."); - sd_event_exit(sd_event_source_get_event(s), EINTR); - return 0; -} - -static void on_tar_finished(TarImport *import, int error, void *userdata) { - sd_event *event = userdata; - assert(import); - - if (error == 0) - log_info("Operation completed successfully."); - - sd_event_exit(event, abs(error)); -} - -static int import_tar(int argc, char *argv[], void *userdata) { - _cleanup_(tar_import_unrefp) TarImport *import = NULL; - _cleanup_(sd_event_unrefp) sd_event *event = NULL; - const char *path = NULL, *local = NULL; - _cleanup_free_ char *ll = NULL; - _cleanup_close_ int open_fd = -1; - int r, fd; - - if (argc >= 2) - path = argv[1]; - if (isempty(path) || streq(path, "-")) - path = NULL; - - if (argc >= 3) - local = argv[2]; - else if (path) - local = basename(path); - if (isempty(local) || streq(local, "-")) - local = NULL; - - if (local) { - r = tar_strip_suffixes(local, &ll); - if (r < 0) - return log_oom(); - - local = ll; - - if (!machine_name_is_valid(local)) { - log_error("Local image name '%s' is not valid.", local); - return -EINVAL; - } - - if (!arg_force) { - r = image_find(local, NULL); - if (r < 0) - return log_error_errno(r, "Failed to check whether image '%s' exists: %m", local); - else if (r > 0) { - log_error_errno(EEXIST, "Image '%s' already exists.", local); - return -EEXIST; - } - } - } else - local = "imported"; - - if (path) { - open_fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY); - if (open_fd < 0) - return log_error_errno(errno, "Failed to open tar image to import: %m"); - - fd = open_fd; - - log_info("Importing '%s', saving as '%s'.", path, local); - } else { - _cleanup_free_ char *pretty = NULL; - - fd = STDIN_FILENO; - - (void) readlink_malloc("/proc/self/fd/0", &pretty); - log_info("Importing '%s', saving as '%s'.", strna(pretty), local); - } - - r = sd_event_default(&event); - if (r < 0) - return log_error_errno(r, "Failed to allocate event loop: %m"); - - assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); - (void) sd_event_add_signal(event, NULL, SIGTERM, interrupt_signal_handler, NULL); - (void) sd_event_add_signal(event, NULL, SIGINT, interrupt_signal_handler, NULL); - - r = tar_import_new(&import, event, arg_image_root, on_tar_finished, event); - if (r < 0) - return log_error_errno(r, "Failed to allocate importer: %m"); - - r = tar_import_start(import, fd, local, arg_force, arg_read_only); - if (r < 0) - return log_error_errno(r, "Failed to import image: %m"); - - r = sd_event_loop(event); - if (r < 0) - return log_error_errno(r, "Failed to run event loop: %m"); - - log_info("Exiting."); - return -r; -} - -static void on_raw_finished(RawImport *import, int error, void *userdata) { - sd_event *event = userdata; - assert(import); - - if (error == 0) - log_info("Operation completed successfully."); - - sd_event_exit(event, abs(error)); -} - -static int import_raw(int argc, char *argv[], void *userdata) { - _cleanup_(raw_import_unrefp) RawImport *import = NULL; - _cleanup_(sd_event_unrefp) sd_event *event = NULL; - const char *path = NULL, *local = NULL; - _cleanup_free_ char *ll = NULL; - _cleanup_close_ int open_fd = -1; - int r, fd; - - if (argc >= 2) - path = argv[1]; - if (isempty(path) || streq(path, "-")) - path = NULL; - - if (argc >= 3) - local = argv[2]; - else if (path) - local = basename(path); - if (isempty(local) || streq(local, "-")) - local = NULL; - - if (local) { - r = raw_strip_suffixes(local, &ll); - if (r < 0) - return log_oom(); - - local = ll; - - if (!machine_name_is_valid(local)) { - log_error("Local image name '%s' is not valid.", local); - return -EINVAL; - } - - if (!arg_force) { - r = image_find(local, NULL); - if (r < 0) - return log_error_errno(r, "Failed to check whether image '%s' exists: %m", local); - else if (r > 0) { - log_error_errno(EEXIST, "Image '%s' already exists.", local); - return -EEXIST; - } - } - } else - local = "imported"; - - if (path) { - open_fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY); - if (open_fd < 0) - return log_error_errno(errno, "Failed to open raw image to import: %m"); - - fd = open_fd; - - log_info("Importing '%s', saving as '%s'.", path, local); - } else { - _cleanup_free_ char *pretty = NULL; - - fd = STDIN_FILENO; - - (void) readlink_malloc("/proc/self/fd/0", &pretty); - log_info("Importing '%s', saving as '%s'.", pretty, local); - } - - r = sd_event_default(&event); - if (r < 0) - return log_error_errno(r, "Failed to allocate event loop: %m"); - - assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); - (void) sd_event_add_signal(event, NULL, SIGTERM, interrupt_signal_handler, NULL); - (void) sd_event_add_signal(event, NULL, SIGINT, interrupt_signal_handler, NULL); - - r = raw_import_new(&import, event, arg_image_root, on_raw_finished, event); - if (r < 0) - return log_error_errno(r, "Failed to allocate importer: %m"); - - r = raw_import_start(import, fd, local, arg_force, arg_read_only); - if (r < 0) - return log_error_errno(r, "Failed to import image: %m"); - - r = sd_event_loop(event); - if (r < 0) - return log_error_errno(r, "Failed to run event loop: %m"); - - log_info("Exiting."); - return -r; -} - -static int help(int argc, char *argv[], void *userdata) { - - printf("%s [OPTIONS...] {COMMAND} ...\n\n" - "Import container or virtual machine images.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --force Force creation of image\n" - " --image-root=PATH Image root directory\n" - " --read-only Create a read-only image\n\n" - "Commands:\n" - " tar FILE [NAME] Import a TAR image\n" - " raw FILE [NAME] Import a RAW image\n", - program_invocation_short_name); - - return 0; -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_VERSION = 0x100, - ARG_FORCE, - ARG_IMAGE_ROOT, - ARG_READ_ONLY, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "force", no_argument, NULL, ARG_FORCE }, - { "image-root", required_argument, NULL, ARG_IMAGE_ROOT }, - { "read-only", no_argument, NULL, ARG_READ_ONLY }, - {} - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) - - switch (c) { - - case 'h': - return help(0, NULL, NULL); - - case ARG_VERSION: - return version(); - - case ARG_FORCE: - arg_force = true; - break; - - case ARG_IMAGE_ROOT: - arg_image_root = optarg; - break; - - case ARG_READ_ONLY: - arg_read_only = true; - break; - - case '?': - return -EINVAL; - - default: - assert_not_reached("Unhandled option"); - } - - return 1; -} - -static int import_main(int argc, char *argv[]) { - - static const Verb verbs[] = { - { "help", VERB_ANY, VERB_ANY, 0, help }, - { "tar", 2, 3, 0, import_tar }, - { "raw", 2, 3, 0, import_raw }, - {} - }; - - return dispatch_verb(argc, argv, verbs, NULL); -} - -int main(int argc, char *argv[]) { - int r; - - setlocale(LC_ALL, ""); - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r <= 0) - goto finish; - - (void) ignore_signals(SIGPIPE, -1); - - r = import_main(argc, argv); - -finish: - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |