mirror of
https://github.com/moby/moby.git
synced 2026-01-11 10:41:43 +00:00
1a16f5099b
Slightly more performant than multiple `WithField` calls Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
28 lines
957 B
Go
28 lines
957 B
Go
package logger
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/containerd/log"
|
|
"golang.org/x/time/rate"
|
|
)
|
|
|
|
// Rates based on journald defaults of 10,000 messages in 30s.
|
|
// reference: https://www.freedesktop.org/software/systemd/man/journald.conf.html#RateLimitIntervalSec=
|
|
var logErrorLimiter = rate.NewLimiter(333, 333)
|
|
|
|
// logDriverError logs errors produced by log drivers to the daemon logs. It also increments the logWritesFailedCount
|
|
// metric.
|
|
// Logging to the daemon logs is limited to 333 operations per second at most. If this limit is exceeded, the
|
|
// logWritesFailedCount is still counted, but logging to the daemon logs is omitted in order to prevent disk saturation.
|
|
func logDriverError(loggerName, msgLine string, logErr error) {
|
|
logWritesFailedCount.Inc(1)
|
|
if logErrorLimiter.Allow() {
|
|
log.G(context.TODO()).WithFields(log.Fields{
|
|
"error": logErr,
|
|
"driver": loggerName,
|
|
"message": msgLine,
|
|
}).Error("Error writing log message")
|
|
}
|
|
}
|