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authorLennart Poettering <lennart@poettering.net>2015-09-08 18:25:56 +0200
committerLennart Poettering <lennart@poettering.net>2015-09-08 18:26:29 +0200
commit9854730b4536cf2e20866b4a7aa5461450dcfa1e (patch)
tree8fa4379025013fa092ad2a18f82216b06d54324f
parent3905f12713df17195118d9caa321299d963ee315 (diff)
importd: for .raw and .tar images, try to download .nspawn settings file too
-rw-r--r--src/import/pull-common.c97
-rw-r--r--src/import/pull-common.h4
-rw-r--r--src/import/pull-job.h2
-rw-r--r--src/import/pull-raw.c158
-rw-r--r--src/import/pull-raw.h2
-rw-r--r--src/import/pull-tar.c170
-rw-r--r--src/import/pull-tar.h2
-rw-r--r--src/import/pull.c22
8 files changed, 411 insertions, 46 deletions
diff --git a/src/import/pull-common.c b/src/import/pull-common.c
index 652277e4be..b1681bed17 100644
--- a/src/import/pull-common.c
+++ b/src/import/pull-common.c
@@ -34,7 +34,14 @@
#define FILENAME_ESCAPE "/.#\"\'"
-int pull_find_old_etags(const char *url, const char *image_root, int dt, const char *prefix, const char *suffix, char ***etags) {
+int pull_find_old_etags(
+ const char *url,
+ const char *image_root,
+ int dt,
+ const char *prefix,
+ const char *suffix,
+ char ***etags) {
+
_cleanup_free_ char *escaped_url = NULL;
_cleanup_closedir_ DIR *d = NULL;
_cleanup_strv_free_ char **l = NULL;
@@ -173,6 +180,49 @@ int pull_make_path(const char *url, const char *etag, const char *image_root, co
return 0;
}
+int pull_make_settings_job(
+ PullJob **ret,
+ const char *url,
+ CurlGlue *glue,
+ PullJobFinished on_finished,
+ void *userdata) {
+
+ _cleanup_free_ char *last_component = NULL, *ll = NULL, *settings_url = NULL;
+ _cleanup_(pull_job_unrefp) PullJob *job = NULL;
+ const char *q;
+ int r;
+
+ assert(ret);
+ assert(url);
+ assert(glue);
+
+ r = import_url_last_component(url, &last_component);
+ if (r < 0)
+ return r;
+
+ r = tar_strip_suffixes(last_component, &ll);
+ if (r < 0)
+ return r;
+
+ q = strjoina(ll, ".nspawn");
+
+ r = import_url_change_last_component(url, q, &settings_url);
+ if (r < 0)
+ return r;
+
+ r = pull_job_new(&job, settings_url, glue, userdata);
+ if (r < 0)
+ return r;
+
+ job->on_finished = on_finished;
+ job->compressed_max = job->uncompressed_max = 1ULL * 1024ULL * 1024ULL;
+
+ *ret = job;
+ job = NULL;
+
+ return 0;
+}
+
int pull_make_verification_jobs(
PullJob **ret_checksum_job,
PullJob **ret_signature_job,
@@ -232,8 +282,8 @@ int pull_make_verification_jobs(
return 0;
}
-int pull_verify(
- PullJob *main_job,
+int pull_verify(PullJob *main_job,
+ PullJob *settings_job,
PullJob *checksum_job,
PullJob *signature_job) {
@@ -278,12 +328,47 @@ int pull_verify(
strlen(line));
if (!p || (p != (char*) checksum_job->payload && p[-1] != '\n')) {
- log_error("Checksum did not check out, payload has been tempered with.");
+ log_error("DOWNLOAD INVALID: Checksum did not check out, payload has been tempered with.");
return -EBADMSG;
}
log_info("SHA256 checksum of %s is valid.", main_job->url);
+ assert(!settings_job || settings_job->state == PULL_JOB_DONE);
+
+ if (settings_job &&
+ settings_job->error == 0 &&
+ !settings_job->etag_exists) {
+
+ _cleanup_free_ char *settings_fn = NULL;
+
+ assert(settings_job->calc_checksum);
+ assert(settings_job->checksum);
+
+ r = import_url_last_component(settings_job->url, &settings_fn);
+ if (r < 0)
+ return log_oom();
+
+ if (!filename_is_valid(settings_fn)) {
+ log_error("Cannot verify checksum, could not determine server-side settings file name.");
+ return -EBADMSG;
+ }
+
+ line = strjoina(settings_job->checksum, " *", settings_fn, "\n");
+
+ p = memmem(checksum_job->payload,
+ checksum_job->payload_size,
+ line,
+ strlen(line));
+
+ if (!p || (p != (char*) checksum_job->payload && p[-1] != '\n')) {
+ log_error("DOWNLOAD INVALID: Checksum of settings file did not checkout, settings file has been tempered with.");
+ return -EBADMSG;
+ }
+
+ log_info("SHA256 checksum of %s is valid.", settings_job->url);
+ }
+
if (!signature_job)
return 0;
@@ -407,7 +492,7 @@ int pull_verify(
if (r < 0)
goto finish;
if (r > 0) {
- log_error("Signature verification failed.");
+ log_error("DOWNLOAD INVALID: Signature verification failed.");
r = -EBADMSG;
} else {
log_info("Signature verification succeeded.");
@@ -416,7 +501,7 @@ int pull_verify(
finish:
if (sig_file >= 0)
- unlink(sig_file_path);
+ (void) unlink(sig_file_path);
if (gpg_home_created)
(void) rm_rf(gpg_home, REMOVE_ROOT|REMOVE_PHYSICAL);
diff --git a/src/import/pull-common.h b/src/import/pull-common.h
index bb9cf3efc1..7e6db1862c 100644
--- a/src/import/pull-common.h
+++ b/src/import/pull-common.h
@@ -32,5 +32,7 @@ int pull_find_old_etags(const char *url, const char *root, int dt, const char *p
int pull_make_path(const char *url, const char *etag, const char *image_root, const char *prefix, const char *suffix, char **ret);
+int pull_make_settings_job(PullJob **ret, const char *url, CurlGlue *glue, PullJobFinished on_finished, void *userdata);
int pull_make_verification_jobs(PullJob **ret_checksum_job, PullJob **ret_signature_job, ImportVerify verify, const char *url, CurlGlue *glue, PullJobFinished on_finished, void *userdata);
-int pull_verify(PullJob *main_job, PullJob *checksum_job, PullJob *signature_job);
+
+int pull_verify(PullJob *main_job, PullJob *settings_job, PullJob *checksum_job, PullJob *signature_job);
diff --git a/src/import/pull-job.h b/src/import/pull-job.h
index 3239aeac20..1777bf1c33 100644
--- a/src/import/pull-job.h
+++ b/src/import/pull-job.h
@@ -44,7 +44,7 @@ typedef enum PullJobState {
_PULL_JOB_STATE_INVALID = -1,
} PullJobState;
-#define PULL_JOB_STATE_IS_COMPLETE(j) (IN_SET((j)->state, PULL_JOB_DONE, PULL_JOB_FAILED))
+#define PULL_JOB_IS_COMPLETE(j) (IN_SET((j)->state, PULL_JOB_DONE, PULL_JOB_FAILED))
typedef enum PullJobCompression {
PULL_JOB_UNCOMPRESSED,
diff --git a/src/import/pull-raw.c b/src/import/pull-raw.c
index d0e0faa261..44e029ef98 100644
--- a/src/import/pull-raw.c
+++ b/src/import/pull-raw.c
@@ -57,6 +57,7 @@ struct RawPull {
char *image_root;
PullJob *raw_job;
+ PullJob *settings_job;
PullJob *checksum_job;
PullJob *signature_job;
@@ -66,9 +67,13 @@ struct RawPull {
char *local;
bool force_local;
bool grow_machine_directory;
+ bool settings;
- char *temp_path;
char *final_path;
+ char *temp_path;
+
+ char *settings_path;
+ char *settings_temp_path;
ImportVerify verify;
};
@@ -78,6 +83,7 @@ RawPull* raw_pull_unref(RawPull *i) {
return NULL;
pull_job_unref(i->raw_job);
+ pull_job_unref(i->settings_job);
pull_job_unref(i->checksum_job);
pull_job_unref(i->signature_job);
@@ -89,7 +95,13 @@ RawPull* raw_pull_unref(RawPull *i) {
free(i->temp_path);
}
+ if (i->settings_temp_path) {
+ (void) unlink(i->settings_temp_path);
+ free(i->settings_temp_path);
+ }
+
free(i->final_path);
+ free(i->settings_path);
free(i->image_root);
free(i->local);
free(i);
@@ -155,6 +167,11 @@ static void raw_pull_report_progress(RawPull *i, RawProgress p) {
percent = 0;
+ if (i->settings_job) {
+ percent += i->settings_job->progress_percent * 5 / 100;
+ remain -= 5;
+ }
+
if (i->checksum_job) {
percent += i->checksum_job->progress_percent * 5 / 100;
remain -= 5;
@@ -253,17 +270,17 @@ static int raw_pull_make_local_copy(RawPull *i) {
if (!i->local)
return 0;
+ if (!i->final_path) {
+ r = pull_make_path(i->raw_job->url, i->raw_job->etag, i->image_root, ".raw-", ".raw", &i->final_path);
+ if (r < 0)
+ return log_oom();
+ }
+
if (i->raw_job->etag_exists) {
/* We have downloaded this one previously, reopen it */
assert(i->raw_job->disk_fd < 0);
- if (!i->final_path) {
- r = pull_make_path(i->raw_job->url, i->raw_job->etag, i->image_root, ".raw-", ".raw", &i->final_path);
- if (r < 0)
- return log_oom();
- }
-
i->raw_job->disk_fd = open(i->final_path, O_RDONLY|O_NOCTTY|O_CLOEXEC);
if (i->raw_job->disk_fd < 0)
return log_error_errno(errno, "Failed to open vendor image: %m");
@@ -315,6 +332,28 @@ static int raw_pull_make_local_copy(RawPull *i) {
}
log_info("Created new local image '%s'.", i->local);
+
+ if (i->settings) {
+ const char *local_settings;
+ assert(i->settings_job);
+
+ if (!i->settings_path) {
+ r = pull_make_path(i->settings_job->url, i->settings_job->etag, i->image_root, ".settings-", NULL, &i->settings_path);
+ if (r < 0)
+ return log_oom();
+ }
+
+ local_settings = strjoina(i->image_root, "/", i->local, ".nspawn");
+
+ r = copy_file_atomic(i->settings_path, local_settings, 0644, i->force_local, 0);
+ if (r == -EEXIST)
+ log_warning_errno(r, "Settings file %s already exists, not replacing.", local_settings);
+ else if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to copy settings files %s: %m", local_settings);
+
+ log_info("Create new settings file '%s.nspawn'", i->local);
+ }
+
return 0;
}
@@ -322,11 +361,13 @@ static bool raw_pull_is_done(RawPull *i) {
assert(i);
assert(i->raw_job);
- if (i->raw_job->state != PULL_JOB_DONE)
+ if (!PULL_JOB_IS_COMPLETE(i->raw_job))
return false;
- if (i->checksum_job && i->checksum_job->state != PULL_JOB_DONE)
+ if (i->settings_job && !PULL_JOB_IS_COMPLETE(i->settings_job))
return false;
- if (i->signature_job && i->signature_job->state != PULL_JOB_DONE)
+ if (i->checksum_job && !PULL_JOB_IS_COMPLETE(i->checksum_job))
+ return false;
+ if (i->signature_job && !PULL_JOB_IS_COMPLETE(i->signature_job))
return false;
return true;
@@ -340,7 +381,10 @@ static void raw_pull_job_on_finished(PullJob *j) {
assert(j->userdata);
i = j->userdata;
- if (j->error != 0) {
+ if (j == i->settings_job) {
+ if (j->error != 0)
+ log_info_errno(j->error, "Settings file could not be retrieved, proceeding without.");
+ } else 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)
@@ -362,13 +406,16 @@ static void raw_pull_job_on_finished(PullJob *j) {
if (!raw_pull_is_done(i))
return;
+ if (i->settings_job)
+ i->settings_job->disk_fd = safe_close(i->settings_job->disk_fd);
+
if (!i->raw_job->etag_exists) {
/* This is a new download, verify it, and move it into place */
assert(i->raw_job->disk_fd >= 0);
raw_pull_report_progress(i, RAW_VERIFYING);
- r = pull_verify(i->raw_job, i->checksum_job, i->signature_job);
+ r = pull_verify(i->raw_job, i->settings_job, i->checksum_job, i->signature_job);
if (r < 0)
goto finish;
@@ -390,8 +437,27 @@ static void raw_pull_job_on_finished(PullJob *j) {
goto finish;
}
- free(i->temp_path);
- i->temp_path = NULL;
+ i->temp_path = mfree(i->temp_path);
+
+ if (i->settings_job &&
+ i->settings_job->error == 0 &&
+ !i->settings_job->etag_exists) {
+
+ assert(i->settings_temp_path);
+ assert(i->settings_path);
+
+ r = import_make_read_only(i->settings_temp_path);
+ if (r < 0)
+ goto finish;
+
+ r = rename_noreplace(AT_FDCWD, i->settings_temp_path, AT_FDCWD, i->settings_path);
+ if (r < 0) {
+ log_error_errno(r, "Failed to rename settings file: %m");
+ goto finish;
+ }
+
+ i->settings_temp_path = mfree(i->settings_temp_path);
+ }
}
raw_pull_report_progress(i, RAW_COPYING);
@@ -409,7 +475,7 @@ finish:
sd_event_exit(i->event, r);
}
-static int raw_pull_job_on_open_disk(PullJob *j) {
+static int raw_pull_job_on_open_disk_raw(PullJob *j) {
RawPull *i;
int r;
@@ -442,6 +508,35 @@ static int raw_pull_job_on_open_disk(PullJob *j) {
return 0;
}
+static int raw_pull_job_on_open_disk_settings(PullJob *j) {
+ RawPull *i;
+ int r;
+
+ assert(j);
+ assert(j->userdata);
+
+ i = j->userdata;
+ assert(i->settings_job == j);
+ assert(!i->settings_path);
+ assert(!i->settings_temp_path);
+
+ r = pull_make_path(j->url, j->etag, i->image_root, ".settings-", NULL, &i->settings_path);
+ if (r < 0)
+ return log_oom();
+
+ r = tempfn_random(i->settings_path, NULL, &i->settings_temp_path);
+ if (r < 0)
+ return log_oom();
+
+ mkdir_parents_label(i->settings_temp_path, 0700);
+
+ j->disk_fd = open(i->settings_temp_path, O_RDWR|O_CREAT|O_EXCL|O_NOCTTY|O_CLOEXEC, 0664);
+ if (j->disk_fd < 0)
+ return log_error_errno(errno, "Failed to create %s: %m", i->settings_temp_path);
+
+ return 0;
+}
+
static void raw_pull_job_on_progress(PullJob *j) {
RawPull *i;
@@ -453,7 +548,14 @@ static void raw_pull_job_on_progress(PullJob *j) {
raw_pull_report_progress(i, RAW_DOWNLOADING);
}
-int raw_pull_start(RawPull *i, const char *url, const char *local, bool force_local, ImportVerify verify) {
+int raw_pull_start(
+ RawPull *i,
+ const char *url,
+ const char *local,
+ bool force_local,
+ ImportVerify verify,
+ bool settings) {
+
int r;
assert(i);
@@ -472,8 +574,10 @@ int raw_pull_start(RawPull *i, const char *url, const char *local, bool force_lo
r = free_and_strdup(&i->local, local);
if (r < 0)
return r;
+
i->force_local = force_local;
i->verify = verify;
+ i->settings = settings;
/* Queue job for the image itself */
r = pull_job_new(&i->raw_job, url, i->glue, i);
@@ -481,7 +585,7 @@ int raw_pull_start(RawPull *i, const char *url, const char *local, bool force_lo
return r;
i->raw_job->on_finished = raw_pull_job_on_finished;
- i->raw_job->on_open_disk = raw_pull_job_on_open_disk;
+ i->raw_job->on_open_disk = raw_pull_job_on_open_disk_raw;
i->raw_job->on_progress = raw_pull_job_on_progress;
i->raw_job->calc_checksum = verify != IMPORT_VERIFY_NO;
i->raw_job->grow_machine_directory = i->grow_machine_directory;
@@ -490,6 +594,20 @@ int raw_pull_start(RawPull *i, const char *url, const char *local, bool force_lo
if (r < 0)
return r;
+ if (settings) {
+ r = pull_make_settings_job(&i->settings_job, url, i->glue, raw_pull_job_on_finished, i);
+ if (r < 0)
+ return r;
+
+ i->settings_job->on_open_disk = raw_pull_job_on_open_disk_settings;
+ i->settings_job->on_progress = raw_pull_job_on_progress;
+ i->settings_job->calc_checksum = verify != IMPORT_VERIFY_NO;
+
+ r = pull_find_old_etags(i->settings_job->url, i->image_root, DT_REG, ".settings-", NULL, &i->settings_job->old_etags);
+ if (r < 0)
+ return r;
+ }
+
r = pull_make_verification_jobs(&i->checksum_job, &i->signature_job, verify, url, i->glue, raw_pull_job_on_finished, i);
if (r < 0)
return r;
@@ -498,6 +616,12 @@ int raw_pull_start(RawPull *i, const char *url, const char *local, bool force_lo
if (r < 0)
return r;
+ if (i->settings_job) {
+ r = pull_job_begin(i->settings_job);
+ if (r < 0)
+ return r;
+ }
+
if (i->checksum_job) {
i->checksum_job->on_progress = raw_pull_job_on_progress;
diff --git a/src/import/pull-raw.h b/src/import/pull-raw.h
index 808f7be818..b03b4f5c92 100644
--- a/src/import/pull-raw.h
+++ b/src/import/pull-raw.h
@@ -34,4 +34,4 @@ RawPull* raw_pull_unref(RawPull *pull);
DEFINE_TRIVIAL_CLEANUP_FUNC(RawPull*, raw_pull_unref);
-int raw_pull_start(RawPull *pull, const char *url, const char *local, bool force_local, ImportVerify verify);
+int raw_pull_start(RawPull *pull, const char *url, const char *local, bool force_local, ImportVerify verify, bool settings);
diff --git a/src/import/pull-tar.c b/src/import/pull-tar.c
index d38a2158c4..563765d83d 100644
--- a/src/import/pull-tar.c
+++ b/src/import/pull-tar.c
@@ -55,6 +55,7 @@ struct TarPull {
char *image_root;
PullJob *tar_job;
+ PullJob *settings_job;
PullJob *checksum_job;
PullJob *signature_job;
@@ -64,11 +65,15 @@ struct TarPull {
char *local;
bool force_local;
bool grow_machine_directory;
+ bool settings;
pid_t tar_pid;
- char *temp_path;
char *final_path;
+ char *temp_path;
+
+ char *settings_path;
+ char *settings_temp_path;
ImportVerify verify;
};
@@ -83,6 +88,7 @@ TarPull* tar_pull_unref(TarPull *i) {
}
pull_job_unref(i->tar_job);
+ pull_job_unref(i->settings_job);
pull_job_unref(i->checksum_job);
pull_job_unref(i->signature_job);
@@ -94,7 +100,13 @@ TarPull* tar_pull_unref(TarPull *i) {
free(i->temp_path);
}
+ if (i->settings_temp_path) {
+ (void) unlink(i->settings_temp_path);
+ free(i->settings_temp_path);
+ }
+
free(i->final_path);
+ free(i->settings_path);
free(i->image_root);
free(i->local);
free(i);
@@ -113,7 +125,6 @@ int tar_pull_new(
int r;
assert(ret);
- assert(event);
i = new0(TarPull, 1);
if (!i)
@@ -128,7 +139,13 @@ int tar_pull_new(
i->grow_machine_directory = path_startswith(i->image_root, "/var/lib/machines");
- i->event = sd_event_ref(event);
+ 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)
@@ -155,6 +172,11 @@ static void tar_pull_report_progress(TarPull *i, TarProgress p) {
percent = 0;
+ if (i->settings_job) {
+ percent += i->settings_job->progress_percent * 5 / 100;
+ remain -= 5;
+ }
+
if (i->checksum_job) {
percent += i->checksum_job->progress_percent * 5 / 100;
remain -= 5;
@@ -209,6 +231,27 @@ static int tar_pull_make_local_copy(TarPull *i) {
if (r < 0)
return r;
+ if (i->settings) {
+ const char *local_settings;
+ assert(i->settings_job);
+
+ if (!i->settings_path) {
+ r = pull_make_path(i->settings_job->url, i->settings_job->etag, i->image_root, ".settings-", NULL, &i->settings_path);
+ if (r < 0)
+ return log_oom();
+ }
+
+ local_settings = strjoina(i->image_root, "/", i->local, ".nspawn");
+
+ r = copy_file_atomic(i->settings_path, local_settings, 0664, i->force_local, 0);
+ if (r == -EEXIST)
+ log_warning_errno(r, "Settings file %s already exists, not replacing.", local_settings);
+ else if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to copy settings files %s: %m", local_settings);
+
+ log_info("Create new settings file '%s.nspawn'", i->local);
+ }
+
return 0;
}
@@ -216,11 +259,13 @@ static bool tar_pull_is_done(TarPull *i) {
assert(i);
assert(i->tar_job);
- if (i->tar_job->state != PULL_JOB_DONE)
+ if (!PULL_JOB_IS_COMPLETE(i->tar_job))
return false;
- if (i->checksum_job && i->checksum_job->state != PULL_JOB_DONE)
+ if (i->settings_job && !PULL_JOB_IS_COMPLETE(i->settings_job))
return false;
- if (i->signature_job && i->signature_job->state != PULL_JOB_DONE)
+ if (i->checksum_job && !PULL_JOB_IS_COMPLETE(i->checksum_job))
+ return false;
+ if (i->signature_job && !PULL_JOB_IS_COMPLETE(i->signature_job))
return false;
return true;
@@ -234,7 +279,11 @@ static void tar_pull_job_on_finished(PullJob *j) {
assert(j->userdata);
i = j->userdata;
- if (j->error != 0) {
+
+ if (j == i->settings_job) {
+ if (j->error != 0)
+ log_info_errno(j->error, "Settings file could not be retrieved, proceeding without.");
+ } else 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)
@@ -253,13 +302,19 @@ static void tar_pull_job_on_finished(PullJob *j) {
if (!tar_pull_is_done(i))
return;
- j->disk_fd = safe_close(i->tar_job->disk_fd);
+ i->tar_job->disk_fd = safe_close(i->tar_job->disk_fd);
+ if (i->settings_job)
+ i->settings_job->disk_fd = safe_close(i->settings_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 (r > 0) {
+ r = -EIO;
+ goto finish;
+ }
}
if (!i->tar_job->etag_exists) {
@@ -267,7 +322,7 @@ static void tar_pull_job_on_finished(PullJob *j) {
tar_pull_report_progress(i, TAR_VERIFYING);
- r = pull_verify(i->tar_job, i->checksum_job, i->signature_job);
+ r = pull_verify(i->tar_job, i->settings_job, i->checksum_job, i->signature_job);
if (r < 0)
goto finish;
@@ -283,8 +338,32 @@ static void tar_pull_job_on_finished(PullJob *j) {
goto finish;
}
- free(i->temp_path);
- i->temp_path = NULL;
+ i->temp_path = mfree(i->temp_path);
+
+ if (i->settings_job &&
+ i->settings_job->error == 0 &&
+ !i->settings_job->etag_exists) {
+
+ assert(i->settings_temp_path);
+ assert(i->settings_path);
+
+ /* Also move the settings file into place, if
+ * it exist. Note that we do so only if we
+ * also moved the tar file in place, to keep
+ * things strictly in sync. */
+
+ r = import_make_read_only(i->settings_temp_path);
+ if (r < 0)
+ goto finish;
+
+ r = rename_noreplace(AT_FDCWD, i->settings_temp_path, AT_FDCWD, i->settings_path);
+ if (r < 0) {
+ log_error_errno(r, "Failed to rename settings file: %m");
+ goto finish;
+ }
+
+ i->settings_temp_path = mfree(i->settings_temp_path);
+ }
}
tar_pull_report_progress(i, TAR_COPYING);
@@ -302,7 +381,7 @@ finish:
sd_event_exit(i->event, r);
}
-static int tar_pull_job_on_open_disk(PullJob *j) {
+static int tar_pull_job_on_open_disk_tar(PullJob *j) {
TarPull *i;
int r;
@@ -339,6 +418,35 @@ static int tar_pull_job_on_open_disk(PullJob *j) {
return 0;
}
+static int tar_pull_job_on_open_disk_settings(PullJob *j) {
+ TarPull *i;
+ int r;
+
+ assert(j);
+ assert(j->userdata);
+
+ i = j->userdata;
+ assert(i->settings_job == j);
+ assert(!i->settings_path);
+ assert(!i->settings_temp_path);
+
+ r = pull_make_path(j->url, j->etag, i->image_root, ".settings-", NULL, &i->settings_path);
+ if (r < 0)
+ return log_oom();
+
+ r = tempfn_random(i->settings_path, NULL, &i->settings_temp_path);
+ if (r < 0)
+ return log_oom();
+
+ mkdir_parents_label(i->settings_temp_path, 0700);
+
+ j->disk_fd = open(i->settings_temp_path, O_RDWR|O_CREAT|O_EXCL|O_NOCTTY|O_CLOEXEC, 0664);
+ if (j->disk_fd < 0)
+ return log_error_errno(errno, "Failed to create %s: %m", i->settings_temp_path);
+
+ return 0;
+}
+
static void tar_pull_job_on_progress(PullJob *j) {
TarPull *i;
@@ -350,10 +458,19 @@ static void tar_pull_job_on_progress(PullJob *j) {
tar_pull_report_progress(i, TAR_DOWNLOADING);
}
-int tar_pull_start(TarPull *i, const char *url, const char *local, bool force_local, ImportVerify verify) {
+int tar_pull_start(
+ TarPull *i,
+ const char *url,
+ const char *local,
+ bool force_local,
+ ImportVerify verify,
+ bool settings) {
+
int r;
assert(i);
+ assert(verify < _IMPORT_VERIFY_MAX);
+ assert(verify >= 0);
if (!http_url_is_valid(url))
return -EINVAL;
@@ -367,15 +484,18 @@ int tar_pull_start(TarPull *i, const char *url, const char *local, bool force_lo
r = free_and_strdup(&i->local, local);
if (r < 0)
return r;
+
i->force_local = force_local;
i->verify = verify;
+ i->settings = settings;
+ /* Set up download job for TAR file */
r = pull_job_new(&i->tar_job, url, i->glue, i);
if (r < 0)
return r;
i->tar_job->on_finished = tar_pull_job_on_finished;
- i->tar_job->on_open_disk = tar_pull_job_on_open_disk;
+ i->tar_job->on_open_disk = tar_pull_job_on_open_disk_tar;
i->tar_job->on_progress = tar_pull_job_on_progress;
i->tar_job->calc_checksum = verify != IMPORT_VERIFY_NO;
i->tar_job->grow_machine_directory = i->grow_machine_directory;
@@ -384,6 +504,22 @@ int tar_pull_start(TarPull *i, const char *url, const char *local, bool force_lo
if (r < 0)
return r;
+ /* Set up download job for the settings file (.nspawn) */
+ if (settings) {
+ r = pull_make_settings_job(&i->settings_job, url, i->glue, tar_pull_job_on_finished, i);
+ if (r < 0)
+ return r;
+
+ i->settings_job->on_open_disk = tar_pull_job_on_open_disk_settings;
+ i->settings_job->on_progress = tar_pull_job_on_progress;
+ i->settings_job->calc_checksum = verify != IMPORT_VERIFY_NO;
+
+ r = pull_find_old_etags(i->settings_job->url, i->image_root, DT_REG, ".settings-", NULL, &i->settings_job->old_etags);
+ if (r < 0)
+ return r;
+ }
+
+ /* Set up download of checksum/signature files */
r = pull_make_verification_jobs(&i->checksum_job, &i->signature_job, verify, url, i->glue, tar_pull_job_on_finished, i);
if (r < 0)
return r;
@@ -392,6 +528,12 @@ int tar_pull_start(TarPull *i, const char *url, const char *local, bool force_lo
if (r < 0)
return r;
+ if (i->settings_job) {
+ r = pull_job_begin(i->settings_job);
+ if (r < 0)
+ return r;
+ }
+
if (i->checksum_job) {
i->checksum_job->on_progress = tar_pull_job_on_progress;
diff --git a/src/import/pull-tar.h b/src/import/pull-tar.h
index 0ed507748c..420845ae50 100644
--- a/src/import/pull-tar.h
+++ b/src/import/pull-tar.h
@@ -34,4 +34,4 @@ TarPull* tar_pull_unref(TarPull *pull);
DEFINE_TRIVIAL_CLEANUP_FUNC(TarPull*, tar_pull_unref);
-int tar_pull_start(TarPull *pull, const char *url, const char *local, bool force_local, ImportVerify verify);
+int tar_pull_start(TarPull *pull, const char *url, const char *local, bool force_local, ImportVerify verify, bool settings);
diff --git a/src/import/pull.c b/src/import/pull.c
index e13cd6af97..98c22aeec9 100644
--- a/src/import/pull.c
+++ b/src/import/pull.c
@@ -37,6 +37,7 @@ static bool arg_force = 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 bool arg_settings = true;
static int interrupt_signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
log_notice("Transfer aborted.");
@@ -118,7 +119,7 @@ static int pull_tar(int argc, char *argv[], void *userdata) {
if (r < 0)
return log_error_errno(r, "Failed to allocate puller: %m");
- r = tar_pull_start(pull, url, local, arg_force, arg_verify);
+ r = tar_pull_start(pull, url, local, arg_force, arg_verify, arg_settings);
if (r < 0)
return log_error_errno(r, "Failed to pull image: %m");
@@ -204,7 +205,7 @@ static int pull_raw(int argc, char *argv[], void *userdata) {
if (r < 0)
return log_error_errno(r, "Failed to allocate puller: %m");
- r = raw_pull_start(pull, url, local, arg_force, arg_verify);
+ r = raw_pull_start(pull, url, local, arg_force, arg_verify, arg_settings);
if (r < 0)
return log_error_errno(r, "Failed to pull image: %m");
@@ -331,8 +332,9 @@ static int help(int argc, char *argv[], void *userdata) {
" -h --help Show this help\n"
" --version Show package version\n"
" --force Force creation of image\n"
- " --verify= Verify downloaded image, one of: 'no',\n"
- " 'checksum', 'signature'.\n"
+ " --verify=MODE Verify downloaded image, one of: 'no',\n"
+ " 'checksum', 'signature'\n"
+ " --settings=BOOL Download settings file with image\n"
" --image-root=PATH Image root directory\n"
" --dkr-index-url=URL Specify index URL to use for downloads\n\n"
"Commands:\n"
@@ -352,6 +354,7 @@ static int parse_argv(int argc, char *argv[]) {
ARG_DKR_INDEX_URL,
ARG_IMAGE_ROOT,
ARG_VERIFY,
+ ARG_SETTINGS,
};
static const struct option options[] = {
@@ -361,10 +364,11 @@ static int parse_argv(int argc, char *argv[]) {
{ "dkr-index-url", required_argument, NULL, ARG_DKR_INDEX_URL },
{ "image-root", required_argument, NULL, ARG_IMAGE_ROOT },
{ "verify", required_argument, NULL, ARG_VERIFY },
+ { "settings", required_argument, NULL, ARG_SETTINGS },
{}
};
- int c;
+ int c, r;
assert(argc >= 0);
assert(argv);
@@ -407,6 +411,14 @@ static int parse_argv(int argc, char *argv[]) {
break;
+ case ARG_SETTINGS:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --settings= parameter '%s'", optarg);
+
+ arg_settings = r;
+ break;
+
case '?':
return -EINVAL;