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shared/watchdog: add MESSAGE_IDs to logs about watchdog opening

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One ID for the success case, with WATCHDOG_DEVICE= showing the device,
and one ID for the failure case, with WATCHDOG_DEVICE= if configured,
and ERRNO= set automatically.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2025-03-21 15:55:50 +01:00
parent b27c9279f6
commit 236ac39b65
2 changed files with 34 additions and 13 deletions
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src/shared/watchdog.c
+28 -13
View File
@@ -7,6 +7,8 @@
#include <unistd.h>
#include <linux/watchdog.h>
#include "sd-messages.h"
#include "devnum-util.h"
#include "errno-util.h"
#include "fd-util.h"
@@ -344,7 +346,10 @@ static int watchdog_open(bool ignore_ratelimit) {
}
if (watchdog_fd != -ENOENT)
return log_warning_errno(watchdog_fd, "Failed to open watchdog device %s: %m", *wd);
return log_struct_errno(LOG_WARNING, watchdog_fd,
LOG_MESSAGE("Failed to open watchdog device %s: %m", *wd),
"MESSAGE_ID=" SD_MESSAGE_WATCHDOG_OPEN_FAILED_STR,
"WATCHDOG_DEVICE=%s", *wd);
}
if (watchdog_fd < 0)
@@ -357,13 +362,19 @@ static int watchdog_open(bool ignore_ratelimit) {
r = RET_NERRNO(ioctl(watchdog_fd, WDIOC_GETSUPPORT, &ident));
if (r < 0)
log_info_errno(r, "Using hardware watchdog %s, no support for WDIOC_GETSUPPORT ioctl: %m",
watchdog_device);
log_struct_errno(LOG_INFO, r,
LOG_MESSAGE("Using hardware watchdog %s, no support for WDIOC_GETSUPPORT ioctl: %m",
watchdog_device),
"MESSAGE_ID=" SD_MESSAGE_WATCHDOG_OPENED_STR,
"WATCHDOG_DEVICE=%s", watchdog_device);
else
log_info("Using hardware watchdog %s: '%s', version %x.",
watchdog_device,
ident.identity,
ident.firmware_version),
log_struct(LOG_INFO,
LOG_MESSAGE("Using hardware watchdog %s: '%s', version %x.",
watchdog_device,
ident.identity,
ident.firmware_version),
"MESSAGE_ID=" SD_MESSAGE_WATCHDOG_OPENED_STR,
"WATCHDOG_DEVICE=%s", watchdog_device);
r = watchdog_update_timeout();
if (r < 0)
@@ -505,12 +516,16 @@ void watchdog_report_if_missing(void) {
if (watchdog_open(/* ignore_ratelimit= */ true) >= 0)
return;
log_full_errno(watchdog_device ? LOG_WARNING : LOG_NOTICE,
watchdog_fd,
"Failed to open %swatchdog device%s%s before the initial transaction completed: %m",
watchdog_device ? "" : "any ",
watchdog_device ? " " : "",
strempty(watchdog_device));
if (watchdog_device)
log_struct_errno(LOG_WARNING, watchdog_fd,
LOG_MESSAGE("Failed to open watchdog device %s before the initial transaction completed: %m",
watchdog_device),
"MESSAGE_ID=" SD_MESSAGE_WATCHDOG_OPEN_FAILED_STR,
"WATCHDOG_DEVICE=%s", watchdog_device);
else
log_struct_errno(LOG_WARNING, watchdog_fd,
LOG_MESSAGE("Failed to open any watchdog device before the initial transaction completed: %m"),
"MESSAGE_ID=" SD_MESSAGE_WATCHDOG_OPEN_FAILED_STR);
}
void watchdog_close(bool disarm) {