chiark / gitweb /
Remove src/hwdb
[elogind.git] / src / import / import.c
index 5b1d0c1417dc2e2427856d1dde6b8df6778fc13b..f3072b3775a683c796f88f8210b5a90515da0497 100644 (file)
@@ -3,7 +3,7 @@
 /***
   This file is part of systemd.
 
-  Copyright 2014 Lennart Poettering
+  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
 #include "verbs.h"
 #include "build.h"
 #include "machine-image.h"
+#include "import-util.h"
 #include "import-tar.h"
 #include "import-raw.h"
-#include "import-dkr.h"
-#include "import-util.h"
 
 static bool arg_force = false;
+static bool arg_read_only = false;
 static const char *arg_image_root = "/var/lib/machines";
-static ImportVerify arg_verify = IMPORT_VERIFY_SIGNATURE;
-static const char* arg_dkr_index_url = DEFAULT_DKR_INDEX_URL;
 
 static int interrupt_signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
         log_notice("Transfer aborted.");
@@ -52,29 +50,23 @@ static void on_tar_finished(TarImport *import, int error, void *userdata) {
         sd_event_exit(event, abs(error));
 }
 
-static int pull_tar(int argc, char *argv[], void *userdata) {
+static int import_tar(int argc, char *argv[], void *userdata) {
         _cleanup_(tar_import_unrefp) TarImport *import = NULL;
         _cleanup_event_unref_ sd_event *event = NULL;
-        const char *url, *local;
-        _cleanup_free_ char *l = NULL, *ll = NULL;
-        int r;
+        const char *path = NULL, *local = NULL;
+        _cleanup_free_ char *ll = NULL;
+        _cleanup_close_ int open_fd = -1;
+        int r, fd;
 
-        url = argv[1];
-        if (!http_url_is_valid(url)) {
-                log_error("URL '%s' is not valid.", url);
-                return -EINVAL;
-        }
+        if (argc >= 2)
+                path = argv[1];
+        if (isempty(path) || streq(path, "-"))
+                path = NULL;
 
         if (argc >= 3)
                 local = argv[2];
-        else {
-                r = import_url_last_component(url, &l);
-                if (r < 0)
-                        return log_error_errno(r, "Failed get final component of URL: %m");
-
-                local = l;
-        }
-
+        else if (path)
+                local = basename(path);
         if (isempty(local) || streq(local, "-"))
                 local = NULL;
 
@@ -99,10 +91,25 @@ static int pull_tar(int argc, char *argv[], void *userdata) {
                                 return -EEXIST;
                         }
                 }
-
-                log_info("Pulling '%s', saving as '%s'.", url, local);
         } else
-                log_info("Pulling '%s'.", url);
+                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)
@@ -116,9 +123,9 @@ static int pull_tar(int argc, char *argv[], void *userdata) {
         if (r < 0)
                 return log_error_errno(r, "Failed to allocate importer: %m");
 
-        r = tar_import_pull(import, url, local, arg_force, arg_verify);
+        r = tar_import_start(import, fd, local, arg_force, arg_read_only);
         if (r < 0)
-                return log_error_errno(r, "Failed to pull image: %m");
+                return log_error_errno(r, "Failed to import image: %m");
 
         r = sd_event_loop(event);
         if (r < 0)
@@ -138,29 +145,23 @@ static void on_raw_finished(RawImport *import, int error, void *userdata) {
         sd_event_exit(event, abs(error));
 }
 
-static int pull_raw(int argc, char *argv[], void *userdata) {
+static int import_raw(int argc, char *argv[], void *userdata) {
         _cleanup_(raw_import_unrefp) RawImport *import = NULL;
         _cleanup_event_unref_ sd_event *event = NULL;
-        const char *url, *local;
-        _cleanup_free_ char *l = NULL, *ll = NULL;
-        int r;
+        const char *path = NULL, *local = NULL;
+        _cleanup_free_ char *ll = NULL;
+        _cleanup_close_ int open_fd = -1;
+        int r, fd;
 
-        url = argv[1];
-        if (!http_url_is_valid(url)) {
-                log_error("URL '%s' is not valid.", url);
-                return -EINVAL;
-        }
+        if (argc >= 2)
+                path = argv[1];
+        if (isempty(path) || streq(path, "-"))
+                path = NULL;
 
         if (argc >= 3)
                 local = argv[2];
-        else {
-                r = import_url_last_component(url, &l);
-                if (r < 0)
-                        return log_error_errno(r, "Failed get final component of URL: %m");
-
-                local = l;
-        }
-
+        else if (path)
+                local = basename(path);
         if (isempty(local) || streq(local, "-"))
                 local = NULL;
 
@@ -185,113 +186,26 @@ static int pull_raw(int argc, char *argv[], void *userdata) {
                                 return -EEXIST;
                         }
                 }
-
-                log_info("Pulling '%s', saving as '%s'.", url, local);
         } else
-                log_info("Pulling '%s'.", url);
-
-        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, SIGTERM, SIGINT, -1) == 0);
-        sd_event_add_signal(event, NULL, SIGTERM, interrupt_signal_handler,  NULL);
-        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_pull(import, url, local, arg_force, arg_verify);
-        if (r < 0)
-                return log_error_errno(r, "Failed to pull 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_dkr_finished(DkrImport *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 pull_dkr(int argc, char *argv[], void *userdata) {
-        _cleanup_(dkr_import_unrefp) DkrImport *import = NULL;
-        _cleanup_event_unref_ sd_event *event = NULL;
-        const char *name, *tag, *local;
-        int r;
+                local = "imported";
 
-        if (!arg_dkr_index_url) {
-                log_error("Please specify an index URL with --dkr-index-url=");
-                return -EINVAL;
-        }
+        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");
 
-        if (arg_verify != IMPORT_VERIFY_NO) {
-                log_error("Imports from dkr do not support image verification, please pass --verify=no.");
-                return -EINVAL;
-        }
+                fd = open_fd;
 
-        tag = strchr(argv[1], ':');
-        if (tag) {
-                name = strndupa(argv[1], tag - argv[1]);
-                tag++;
+                log_info("Importing '%s', saving as '%s'.", path, local);
         } else {
-                name = argv[1];
-                tag = "latest";
-        }
-
-        if (!dkr_name_is_valid(name)) {
-                log_error("Remote name '%s' is not valid.", name);
-                return -EINVAL;
-        }
+                _cleanup_free_ char *pretty = NULL;
 
-        if (!dkr_tag_is_valid(tag)) {
-                log_error("Tag name '%s' is not valid.", tag);
-                return -EINVAL;
-        }
+                fd = STDIN_FILENO;
 
-        if (argc >= 3)
-                local = argv[2];
-        else {
-                local = strchr(name, '/');
-                if (local)
-                        local++;
-                else
-                        local = name;
+                (void) readlink_malloc("/proc/self/fd/0", &pretty);
+                log_info("Importing '%s', saving as '%s'.", pretty, local);
         }
 
-        if (isempty(local) || streq(local, "-"))
-                local = NULL;
-
-        if (local) {
-                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;
-                        }
-                }
-
-                log_info("Pulling '%s' with tag '%s', saving as '%s'.", name, tag, local);
-        } else
-                log_info("Pulling '%s' with tag '%s'.", name, tag);
-
         r = sd_event_default(&event);
         if (r < 0)
                 return log_error_errno(r, "Failed to allocate event loop: %m");
@@ -300,13 +214,13 @@ static int pull_dkr(int argc, char *argv[], void *userdata) {
         sd_event_add_signal(event, NULL, SIGTERM, interrupt_signal_handler,  NULL);
         sd_event_add_signal(event, NULL, SIGINT, interrupt_signal_handler, NULL);
 
-        r = dkr_import_new(&import, event, arg_dkr_index_url, arg_image_root, on_dkr_finished, event);
+        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 = dkr_import_pull(import, name, tag, local, arg_force);
+        r = raw_import_start(import, fd, local, arg_force, arg_read_only);
         if (r < 0)
-                return log_error_errno(r, "Failed to pull image: %m");
+                return log_error_errno(r, "Failed to import image: %m");
 
         r = sd_event_loop(event);
         if (r < 0)
@@ -319,18 +233,15 @@ static int pull_dkr(int argc, char *argv[], void *userdata) {
 static int help(int argc, char *argv[], void *userdata) {
 
         printf("%s [OPTIONS...] {COMMAND} ...\n\n"
-               "Import container or virtual machine image.\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"
-               "     --verify=                Verify downloaded image, one of: 'no', 'sum'\n"
-               "                              'signature'.\n"
-               "     --image-root=            Image root directory\n"
-               "     --dkr-index-url=URL      Specify index URL to use for downloads\n\n"
+               "     --image-root=PATH        Image root directory\n"
+               "     --read-only              Create a read-only image\n\n"
                "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",
+               "  tar FILE [NAME]             Import a TAR image\n"
+               "  raw FILE [NAME]             Import a RAW image\n",
                program_invocation_short_name);
 
         return 0;
@@ -341,18 +252,16 @@ static int parse_argv(int argc, char *argv[]) {
         enum {
                 ARG_VERSION = 0x100,
                 ARG_FORCE,
-                ARG_DKR_INDEX_URL,
                 ARG_IMAGE_ROOT,
-                ARG_VERIFY,
+                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           },
-                { "dkr-index-url",   required_argument, NULL, ARG_DKR_INDEX_URL   },
                 { "image-root",      required_argument, NULL, ARG_IMAGE_ROOT      },
-                { "verify",          required_argument, NULL, ARG_VERIFY          },
+                { "read-only",       no_argument,       NULL, ARG_READ_ONLY       },
                 {}
         };
 
@@ -377,26 +286,12 @@ static int parse_argv(int argc, char *argv[]) {
                         arg_force = true;
                         break;
 
-                case ARG_DKR_INDEX_URL:
-                        if (!http_url_is_valid(optarg)) {
-                                log_error("Index URL is not valid: %s", optarg);
-                                return -EINVAL;
-                        }
-
-                        arg_dkr_index_url = optarg;
-                        break;
-
                 case ARG_IMAGE_ROOT:
                         arg_image_root = optarg;
                         break;
 
-                case ARG_VERIFY:
-                        arg_verify = import_verify_from_string(optarg);
-                        if (arg_verify < 0) {
-                                log_error("Invalid verification setting '%s'", optarg);
-                                return -EINVAL;
-                        }
-
+                case ARG_READ_ONLY:
+                        arg_read_only = true;
                         break;
 
                 case '?':
@@ -412,10 +307,9 @@ static int parse_argv(int argc, char *argv[]) {
 static int import_main(int argc, char *argv[]) {
 
         static const Verb verbs[] = {
-                { "help",     VERB_ANY, VERB_ANY, 0, help     },
-                { "pull-tar", 2,        3,        0, pull_tar },
-                { "pull-raw", 2,        3,        0, pull_raw },
-                { "pull-dkr", 2,        3,        0, pull_dkr },
+                { "help", VERB_ANY, VERB_ANY, 0, help       },
+                { "tar",  2,        3,        0, import_tar },
+                { "raw",  2,        3,        0, import_raw },
                 {}
         };
 
@@ -433,6 +327,8 @@ int main(int argc, char *argv[]) {
         if (r <= 0)
                 goto finish;
 
+        ignore_signals(SIGPIPE, -1);
+
         r = import_main(argc, argv);
 
 finish: