import: rename download code from "import" to "pull"

That way we can call the code for local container/VM imports "import"
without confusion.

1 files changed, 0 insertions, 414 deletions

diff --git a/src/import/import-tar.c b/src/import/import-tar.c
deleted file mode 100644
index 472e336247..0000000000
--- a/src/import/import-tar.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  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 <sys/prctl.h>
-#include <curl/curl.h>
-
-#include "sd-daemon.h"
-#include "utf8.h"
-#include "strv.h"
-#include "copy.h"
-#include "btrfs-util.h"
-#include "util.h"
-#include "macro.h"
-#include "mkdir.h"
-#include "path-util.h"
-#include "import-util.h"
-#include "curl-util.h"
-#include "import-job.h"
-#include "import-common.h"
-#include "import-tar.h"
-
-typedef enum TarProgress {
-        TAR_DOWNLOADING,
-        TAR_VERIFYING,
-        TAR_FINALIZING,
-        TAR_COPYING,
-} TarProgress;
-
-struct TarImport {
-        sd_event *event;
-        CurlGlue *glue;
-
-        char *image_root;
-
-        ImportJob *tar_job;
-        ImportJob *checksum_job;
-        ImportJob *signature_job;
-
-        TarImportFinished on_finished;
-        void *userdata;
-
-        char *local;
-        bool force_local;
-        bool grow_machine_directory;
-
-        pid_t tar_pid;
-
-        char *temp_path;
-        char *final_path;
-
-        ImportVerify verify;
-};
-
-TarImport* tar_import_unref(TarImport *i) {
-        if (!i)
-                return NULL;
-
-        if (i->tar_pid > 1) {
-                (void) kill_and_sigcont(i->tar_pid, SIGKILL);
-                (void) wait_for_terminate(i->tar_pid, NULL);
-        }
-
-        import_job_unref(i->tar_job);
-        import_job_unref(i->checksum_job);
-        import_job_unref(i->signature_job);
-
-        curl_glue_unref(i->glue);
-        sd_event_unref(i->event);
-
-        if (i->temp_path) {
-                (void) btrfs_subvol_remove(i->temp_path);
-                (void) rm_rf_dangerous(i->temp_path, false, true, false);
-                free(i->temp_path);
-        }
-
-        free(i->final_path);
-        free(i->image_root);
-        free(i->local);
-        free(i);
-
-        return NULL;
-}
-
-int tar_import_new(
-                TarImport **ret,
-                sd_event *event,
-                const char *image_root,
-                TarImportFinished on_finished,
-                void *userdata) {
-
-        _cleanup_(tar_import_unrefp) TarImport *i = NULL;
-        int r;
-
-        assert(ret);
-        assert(event);
-
-        i = new0(TarImport, 1);
-        if (!i)
-                return -ENOMEM;
-
-        i->on_finished = on_finished;
-        i->userdata = userdata;
-
-        i->image_root = strdup(image_root ?: "/var/lib/machines");
-        if (!i->image_root)
-                return -ENOMEM;
-
-        i->grow_machine_directory = path_startswith(i->image_root, "/var/lib/machines");
-
-        if (event)
-                i->event = sd_event_ref(event);
-        else {
-                r = sd_event_default(&i->event);
-                if (r < 0)
-                        return r;
-        }
-
-        r = curl_glue_new(&i->glue, i->event);
-        if (r < 0)
-                return r;
-
-        i->glue->on_finished = import_job_curl_on_finished;
-        i->glue->userdata = i;
-
-        *ret = i;
-        i = NULL;
-
-        return 0;
-}
-
-static void tar_import_report_progress(TarImport *i, TarProgress p) {
-        unsigned percent;
-
-        assert(i);
-
-        switch (p) {
-
-        case TAR_DOWNLOADING: {
-                unsigned remain = 85;
-
-                percent = 0;
-
-                if (i->checksum_job) {
-                        percent += i->checksum_job->progress_percent * 5 / 100;
-                        remain -= 5;
-                }
-
-                if (i->signature_job) {
-                        percent += i->signature_job->progress_percent * 5 / 100;
-                        remain -= 5;
-                }
-
-                if (i->tar_job)
-                        percent += i->tar_job->progress_percent * remain / 100;
-                break;
-        }
-
-        case TAR_VERIFYING:
-                percent = 85;
-                break;
-
-        case TAR_FINALIZING:
-                percent = 90;
-                break;
-
-        case TAR_COPYING:
-                percent = 95;
-                break;
-
-        default:
-                assert_not_reached("Unknown progress state");
-        }
-
-        sd_notifyf(false, "X_IMPORT_PROGRESS=%u", percent);
-        log_debug("Combined progress %u%%", percent);
-}
-
-static int tar_import_make_local_copy(TarImport *i) {
-        int r;
-
-        assert(i);
-        assert(i->tar_job);
-
-        if (!i->local)
-                return 0;
-
-        if (!i->final_path) {
-                r = import_make_path(i->tar_job->url, i->tar_job->etag, i->image_root, ".tar-", NULL, &i->final_path);
-                if (r < 0)
-                        return log_oom();
-        }
-
-        r = import_make_local_copy(i->final_path, i->image_root, i->local, i->force_local);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-static bool tar_import_is_done(TarImport *i) {
-        assert(i);
-        assert(i->tar_job);
-
-        if (i->tar_job->state != IMPORT_JOB_DONE)
-                return false;
-        if (i->checksum_job && i->checksum_job->state != IMPORT_JOB_DONE)
-                return false;
-        if (i->signature_job && i->signature_job->state != IMPORT_JOB_DONE)
-                return false;
-
-        return true;
-}
-
-static void tar_import_job_on_finished(ImportJob *j) {
-        TarImport *i;
-        int r;
-
-        assert(j);
-        assert(j->userdata);
-
-        i = j->userdata;
-        if (j->error != 0) {
-                if (j == i->checksum_job)
-                        log_error_errno(j->error, "Failed to retrieve SHA256 checksum, cannot verify. (Try --verify=no?)");
-                else if (j == i->signature_job)
-                        log_error_errno(j->error, "Failed to retrieve signature file, cannot verify. (Try --verify=no?)");
-                else
-                        log_error_errno(j->error, "Failed to retrieve image file. (Wrong URL?)");
-
-                r = j->error;
-                goto finish;
-        }
-
-        /* This is invoked if either the download completed
-         * successfully, or the download was skipped because we
-         * already have the etag. */
-
-        if (!tar_import_is_done(i))
-                return;
-
-        j->disk_fd = safe_close(i->tar_job->disk_fd);
-
-        if (i->tar_pid > 0) {
-                r = wait_for_terminate_and_warn("tar", i->tar_pid, true);
-                i->tar_pid = 0;
-                if (r < 0)
-                        goto finish;
-        }
-
-        if (!i->tar_job->etag_exists) {
-                /* This is a new download, verify it, and move it into place */
-
-                tar_import_report_progress(i, TAR_VERIFYING);
-
-                r = import_verify(i->tar_job, i->checksum_job, i->signature_job);
-                if (r < 0)
-                        goto finish;
-
-                tar_import_report_progress(i, TAR_FINALIZING);
-
-                r = import_make_read_only(i->temp_path);
-                if (r < 0)
-                        goto finish;
-
-                if (rename(i->temp_path, i->final_path) < 0) {
-                        r = log_error_errno(errno, "Failed to rename to final image name: %m");
-                        goto finish;
-                }
-
-                free(i->temp_path);
-                i->temp_path = NULL;
-        }
-
-        tar_import_report_progress(i, TAR_COPYING);
-
-        r = tar_import_make_local_copy(i);
-        if (r < 0)
-                goto finish;
-
-        r = 0;
-
-finish:
-        if (i->on_finished)
-                i->on_finished(i, r, i->userdata);
-        else
-                sd_event_exit(i->event, r);
-}
-
-static int tar_import_job_on_open_disk(ImportJob *j) {
-        TarImport *i;
-        int r;
-
-        assert(j);
-        assert(j->userdata);
-
-        i = j->userdata;
-        assert(i->tar_job == j);
-        assert(!i->final_path);
-        assert(!i->temp_path);
-        assert(i->tar_pid <= 0);
-
-        r = import_make_path(j->url, j->etag, i->image_root, ".tar-", NULL, &i->final_path);
-        if (r < 0)
-                return log_oom();
-
-        r = tempfn_random(i->final_path, &i->temp_path);
-        if (r < 0)
-                return log_oom();
-
-        mkdir_parents_label(i->temp_path, 0700);
-
-        r = btrfs_subvol_make(i->temp_path);
-        if (r == -ENOTTY) {
-                if (mkdir(i->temp_path, 0755) < 0)
-                        return log_error_errno(errno, "Failed to create directory %s: %m", i->temp_path);
-        } else if (r < 0)
-                return log_error_errno(errno, "Failed to create subvolume %s: %m", i->temp_path);
-
-        j->disk_fd = import_fork_tar(i->temp_path, &i->tar_pid);
-        if (j->disk_fd < 0)
-                return j->disk_fd;
-
-        return 0;
-}
-
-static void tar_import_job_on_progress(ImportJob *j) {
-        TarImport *i;
-
-        assert(j);
-        assert(j->userdata);
-
-        i = j->userdata;
-
-        tar_import_report_progress(i, TAR_DOWNLOADING);
-}
-
-int tar_import_pull(TarImport *i, const char *url, const char *local, bool force_local, ImportVerify verify) {
-        int r;
-
-        assert(i);
-
-        if (!http_url_is_valid(url))
-                return -EINVAL;
-
-        if (local && !machine_name_is_valid(local))
-                return -EINVAL;
-
-        if (i->tar_job)
-                return -EBUSY;
-
-        r = free_and_strdup(&i->local, local);
-        if (r < 0)
-                return r;
-        i->force_local = force_local;
-        i->verify = verify;
-
-        r = import_job_new(&i->tar_job, url, i->glue, i);
-        if (r < 0)
-                return r;
-
-        i->tar_job->on_finished = tar_import_job_on_finished;
-        i->tar_job->on_open_disk = tar_import_job_on_open_disk;
-        i->tar_job->on_progress = tar_import_job_on_progress;
-        i->tar_job->calc_checksum = verify != IMPORT_VERIFY_NO;
-        i->tar_job->grow_machine_directory = i->grow_machine_directory;
-
-        r = import_find_old_etags(url, i->image_root, DT_DIR, ".tar-", NULL, &i->tar_job->old_etags);
-        if (r < 0)
-                return r;
-
-        r = import_make_verification_jobs(&i->checksum_job, &i->signature_job, verify, url, i->glue, tar_import_job_on_finished, i);
-        if (r < 0)
-                return r;
-
-        r = import_job_begin(i->tar_job);
-        if (r < 0)
-                return r;
-
-        if (i->checksum_job) {
-                i->checksum_job->on_progress = tar_import_job_on_progress;
-
-                r = import_job_begin(i->checksum_job);
-                if (r < 0)
-                        return r;
-        }
-
-        if (i->signature_job) {
-                i->signature_job->on_progress = tar_import_job_on_progress;
-
-                r = import_job_begin(i->signature_job);
-                if (r < 0)
-                        return r;
-        }
-
-        return 0;
-}