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udev-event: log device name on spawning commands

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This commit is contained in:
Yu Watanabe 2019-08-03 05:38:13 +09:00
parent bca5a0eacc
commit 88d566aa23
1 changed files with 28 additions and 19 deletions
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47
src/udev/udev-event.c
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@ -37,6 +37,7 @@
#include "user-util.h"
typedef struct Spawn {
sd_device *device;
const char *cmd;
pid_t pid;
usec_t timeout_warn_usec;
@ -550,7 +551,8 @@ static int on_spawn_io(sd_event_source *s, int fd, uint32_t revents, void *userd
l = read(fd, p, size - 1);
if (l < 0) {
if (errno != EAGAIN)
log_error_errno(errno, "Failed to read stdout of '%s': %m", spawn->cmd);
log_device_error_errno(spawn->device, errno,
"Failed to read stdout of '%s': %m", spawn->cmd);
return 0;
}
@ -569,8 +571,8 @@ static int on_spawn_io(sd_event_source *s, int fd, uint32_t revents, void *userd
return 0;
STRV_FOREACH(q, v)
log_debug("'%s'(%s) '%s'", spawn->cmd,
fd == spawn->fd_stdout ? "out" : "err", *q);
log_device_debug(spawn->device, "'%s'(%s) '%s'", spawn->cmd,
fd == spawn->fd_stdout ? "out" : "err", *q);
}
return 0;
@ -584,8 +586,9 @@ static int on_spawn_timeout(sd_event_source *s, uint64_t usec, void *userdata) {
kill_and_sigcont(spawn->pid, SIGKILL);
log_error("Spawned process '%s' ["PID_FMT"] timed out after %s, killing", spawn->cmd, spawn->pid,
format_timespan(timeout, sizeof(timeout), spawn->timeout_usec, USEC_PER_SEC));
log_device_error(spawn->device, "Spawned process '%s' ["PID_FMT"] timed out after %s, killing",
spawn->cmd, spawn->pid,
format_timespan(timeout, sizeof(timeout), spawn->timeout_usec, USEC_PER_SEC));
return 1;
}
@ -596,8 +599,9 @@ static int on_spawn_timeout_warning(sd_event_source *s, uint64_t usec, void *use
assert(spawn);
log_warning("Spawned process '%s' ["PID_FMT"] is taking longer than %s to complete", spawn->cmd, spawn->pid,
format_timespan(timeout, sizeof(timeout), spawn->timeout_warn_usec, USEC_PER_SEC));
log_device_warning(spawn->device, "Spawned process '%s' ["PID_FMT"] is taking longer than %s to complete",
spawn->cmd, spawn->pid,
format_timespan(timeout, sizeof(timeout), spawn->timeout_warn_usec, USEC_PER_SEC));
return 1;
}
@ -611,18 +615,18 @@ static int on_spawn_sigchld(sd_event_source *s, const siginfo_t *si, void *userd
switch (si->si_code) {
case CLD_EXITED:
if (si->si_status == 0)
log_debug("Process '%s' succeeded.", spawn->cmd);
log_device_debug(spawn->device, "Process '%s' succeeded.", spawn->cmd);
else
log_full(spawn->accept_failure ? LOG_DEBUG : LOG_WARNING,
"Process '%s' failed with exit code %i.", spawn->cmd, si->si_status);
log_device_full(spawn->device, spawn->accept_failure ? LOG_DEBUG : LOG_WARNING, 0,
"Process '%s' failed with exit code %i.", spawn->cmd, si->si_status);
ret = si->si_status;
break;
case CLD_KILLED:
case CLD_DUMPED:
log_error("Process '%s' terminated by signal %s.", spawn->cmd, signal_to_string(si->si_status));
log_device_error(spawn->device, "Process '%s' terminated by signal %s.", spawn->cmd, signal_to_string(si->si_status));
break;
default:
log_error("Process '%s' failed due to unknown reason.", spawn->cmd);
log_device_error(spawn->device, "Process '%s' failed due to unknown reason.", spawn->cmd);
}
sd_event_exit(sd_event_source_get_event(s), ret);
@ -704,19 +708,21 @@ int udev_event_spawn(UdevEvent *event,
/* pipes from child to parent */
if (result || log_get_max_level() >= LOG_INFO)
if (pipe2(outpipe, O_NONBLOCK|O_CLOEXEC) != 0)
return log_error_errno(errno, "Failed to create pipe for command '%s': %m", cmd);
return log_device_error_errno(event->dev, errno,
"Failed to create pipe for command '%s': %m", cmd);
if (log_get_max_level() >= LOG_INFO)
if (pipe2(errpipe, O_NONBLOCK|O_CLOEXEC) != 0)
return log_error_errno(errno, "Failed to create pipe for command '%s': %m", cmd);
return log_device_error_errno(event->dev, errno,
"Failed to create pipe for command '%s': %m", cmd);
argv = strv_split_full(cmd, NULL, SPLIT_QUOTES|SPLIT_RELAX);
if (!argv)
return log_oom();
if (isempty(argv[0]))
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Invalid command '%s'", cmd);
return log_device_error_errno(event->dev, SYNTHETIC_ERRNO(EINVAL),
"Invalid command '%s'", cmd);
/* allow programs in /usr/lib/udev/ to be called without the path */
if (!path_is_absolute(argv[0])) {
@ -733,11 +739,12 @@ int udev_event_spawn(UdevEvent *event,
if (r < 0)
return log_device_error_errno(event->dev, r, "Failed to get device properties");
log_debug("Starting '%s'", cmd);
log_device_debug(event->dev, "Starting '%s'", cmd);
r = safe_fork("(spawn)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid);
if (r < 0)
return log_error_errno(r, "Failed to fork() to execute command '%s': %m", cmd);
return log_device_error_errno(event->dev, r,
"Failed to fork() to execute command '%s': %m", cmd);
if (r == 0) {
if (rearrange_stdio(-1, outpipe[WRITE_END], errpipe[WRITE_END]) < 0)
_exit(EXIT_FAILURE);
@ -754,6 +761,7 @@ int udev_event_spawn(UdevEvent *event,
errpipe[WRITE_END] = safe_close(errpipe[WRITE_END]);
spawn = (Spawn) {
.device = event->dev,
.cmd = cmd,
.pid = pid,
.accept_failure = accept_failure,
@ -767,7 +775,8 @@ int udev_event_spawn(UdevEvent *event,
};
r = spawn_wait(&spawn);
if (r < 0)
return log_error_errno(r, "Failed to wait for spawned command '%s': %m", cmd);
return log_device_error_errno(event->dev, r,
"Failed to wait for spawned command '%s': %m", cmd);
if (result)
result[spawn.result_len] = '\0';