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authorLennart Poettering <lennart@poettering.net>2014-12-29 12:41:26 +0100
committerLennart Poettering <lennart@poettering.net>2014-12-29 17:00:05 +0100
commitebd011d95b61a86258dece9864f65b7c4af721c0 (patch)
treeee0df0dbbd62f0515f158bd04aa295963d3dbaf2 /src/systemctl/systemctl.c
parent6a140df0048c99e62339d97effbe16a1bba42d45 (diff)
machinectl: add new "start" verb to start a container as a service in nspawn
Diffstat (limited to 'src/systemctl/systemctl.c')
-rw-r--r--src/systemctl/systemctl.c219
1 files changed, 9 insertions, 210 deletions
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index abe23ec235..060bfe28e4 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -2406,197 +2406,6 @@ static int unit_find_paths(sd_bus *bus,
return r;
}
-typedef struct WaitData {
- Set *set;
-
- char *name;
- char *result;
-} WaitData;
-
-static int wait_filter(sd_bus *bus, sd_bus_message *m, void *data, sd_bus_error *error) {
- WaitData *d = data;
-
- assert(bus);
- assert(m);
- assert(d);
-
- log_debug("Got D-Bus request: %s.%s() on %s",
- sd_bus_message_get_interface(m),
- sd_bus_message_get_member(m),
- sd_bus_message_get_path(m));
-
- if (sd_bus_message_is_signal(m, "org.freedesktop.DBus.Local", "Disconnected")) {
- log_error("Warning! D-Bus connection terminated.");
- sd_bus_close(bus);
- } else if (sd_bus_message_is_signal(m, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
- uint32_t id;
- const char *path, *result, *unit;
- char *ret;
- int r;
-
- r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result);
- if (r >= 0) {
- ret = set_remove(d->set, (char*) path);
- if (!ret)
- return 0;
-
- free(ret);
-
- if (!isempty(result))
- d->result = strdup(result);
-
- if (!isempty(unit))
- d->name = strdup(unit);
-
- return 0;
- }
-#ifndef NOLEGACY
- r = sd_bus_message_read(m, "uos", &id, &path, &result);
- if (r >= 0) {
- ret = set_remove(d->set, (char*) path);
- if (!ret)
- return 0;
-
- free(ret);
-
- if (*result)
- d->result = strdup(result);
-
- return 0;
- }
-#endif
-
- bus_log_parse_error(r);
- }
-
- return 0;
-}
-
-static int enable_wait_for_jobs(sd_bus *bus) {
- int r;
-
- assert(bus);
-
- r = sd_bus_add_match(
- bus,
- NULL,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Manager',"
- "member='JobRemoved',"
- "path='/org/freedesktop/systemd1'",
- NULL, NULL);
- if (r < 0) {
- log_error("Failed to add match");
- return -EIO;
- }
-
- /* This is slightly dirty, since we don't undo the match registrations. */
- return 0;
-}
-
-static int bus_process_wait(sd_bus *bus) {
- int r;
-
- for (;;) {
- r = sd_bus_process(bus, NULL);
- if (r < 0)
- return r;
- if (r > 0)
- return 0;
- r = sd_bus_wait(bus, (uint64_t) -1);
- if (r < 0)
- return r;
- }
-}
-
-static int check_wait_response(WaitData *d) {
- int r = 0;
-
- assert(d->result);
-
- if (!arg_quiet) {
- if (streq(d->result, "canceled"))
- log_error("Job for %s canceled.", strna(d->name));
- else if (streq(d->result, "timeout"))
- log_error("Job for %s timed out.", strna(d->name));
- else if (streq(d->result, "dependency"))
- log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name));
- else if (streq(d->result, "invalid"))
- log_error("Job for %s invalid.", strna(d->name));
- else if (streq(d->result, "assert"))
- log_error("Assertion failed on job for %s.", strna(d->name));
- else if (streq(d->result, "unsupported"))
- log_error("Operation on or unit type of %s not supported on this system.", strna(d->name));
- else if (!streq(d->result, "done") && !streq(d->result, "skipped")) {
- if (d->name) {
- bool quotes;
-
- quotes = chars_intersect(d->name, SHELL_NEED_QUOTES);
-
- log_error("Job for %s failed. See \"systemctl status %s%s%s\" and \"journalctl -xe\" for details.",
- d->name,
- quotes ? "'" : "", d->name, quotes ? "'" : "");
- } else
- log_error("Job failed. See \"journalctl -xe\" for details.");
- }
- }
-
- if (streq(d->result, "canceled"))
- r = -ECANCELED;
- else if (streq(d->result, "timeout"))
- r = -ETIME;
- else if (streq(d->result, "dependency"))
- r = -EIO;
- else if (streq(d->result, "invalid"))
- r = -ENOEXEC;
- else if (streq(d->result, "assert"))
- r = -EPROTO;
- else if (streq(d->result, "unsupported"))
- r = -ENOTSUP;
- else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
- r = -EIO;
-
- return r;
-}
-
-static int wait_for_jobs(sd_bus *bus, Set *s) {
- _cleanup_bus_slot_unref_ sd_bus_slot *slot = NULL;
- WaitData d = { .set = s };
- int r = 0, q;
-
- assert(bus);
- assert(s);
-
- q = sd_bus_add_filter(bus, &slot, wait_filter, &d);
- if (q < 0)
- return log_oom();
-
- while (!set_isempty(s)) {
- q = bus_process_wait(bus);
- if (q < 0)
- return log_error_errno(q, "Failed to wait for response: %m");
-
- if (d.result) {
- q = check_wait_response(&d);
- /* Return the first error as it is most likely to be
- * meaningful. */
- if (q < 0 && r == 0)
- r = q;
- log_debug("Got result %s/%s for job %s",
- strna(d.result), strerror(-q), strna(d.name));
- }
-
- free(d.name);
- d.name = NULL;
-
- free(d.result);
- d.result = NULL;
- }
-
- return r;
-}
-
static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ char *n = NULL, *state = NULL;
@@ -2761,7 +2570,7 @@ static int start_unit_one(
const char *name,
const char *mode,
sd_bus_error *error,
- Set *s) {
+ BusWaitForJobs *w) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
const char *path;
@@ -2814,15 +2623,9 @@ static int start_unit_one(
if (need_daemon_reload(bus, name) > 0)
warn_unit_file_changed(name);
- if (s) {
- char *p;
-
- p = strdup(path);
- if (!p)
- return log_oom();
-
- log_debug("Adding %s to the set", p);
- r = set_consume(s, p);
+ if (w) {
+ log_debug("Adding %s to the set", path);
+ r = bus_wait_for_jobs_add(w, path);
if (r < 0)
return log_oom();
}
@@ -2911,9 +2714,9 @@ static enum action verb_to_action(const char *verb) {
}
static int start_unit(sd_bus *bus, char **args) {
- _cleanup_set_free_free_ Set *s = NULL;
- _cleanup_strv_free_ char **names = NULL;
+ _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
const char *method, *mode, *one_name, *suffix = NULL;
+ _cleanup_strv_free_ char **names = NULL;
char **name;
int r = 0;
@@ -2952,20 +2755,16 @@ static int start_unit(sd_bus *bus, char **args) {
}
if (!arg_no_block) {
- r = enable_wait_for_jobs(bus);
+ r = bus_wait_for_jobs_new(bus, &w);
if (r < 0)
return log_error_errno(r, "Could not watch jobs: %m");
-
- s = set_new(&string_hash_ops);
- if (!s)
- return log_oom();
}
STRV_FOREACH(name, names) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int q;
- q = start_unit_one(bus, method, *name, mode, &error, s);
+ q = start_unit_one(bus, method, *name, mode, &error, w);
if (r >= 0 && q < 0)
r = translate_bus_error_to_exit_status(q, &error);
}
@@ -2973,7 +2772,7 @@ static int start_unit(sd_bus *bus, char **args) {
if (!arg_no_block) {
int q;
- q = wait_for_jobs(bus, s);
+ q = bus_wait_for_jobs(w, arg_quiet);
if (q < 0)
return q;