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add metrics that track how many error/warn/info logging is happening

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Mechiel Lukkien 2024-12-06 15:07:42 +01:00
parent 056b571fb6
commit b750668152
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1 changed files with 33 additions and 0 deletions
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33
mlog/log.go
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@ -25,10 +25,34 @@ import (
"strings"
"sync/atomic"
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
var noctx = context.Background()
var (
metricLogInfo = promauto.NewCounter(
prometheus.CounterOpts{
Name: "mox_logging_level_info_total",
Help: "Total number of logging events at level info.",
},
)
metricLogWarn = promauto.NewCounter(
prometheus.CounterOpts{
Name: "mox_logging_level_warn_total",
Help: "Total number of logging events at level warn.",
},
)
metricLogError = promauto.NewCounter(
prometheus.CounterOpts{
Name: "mox_logging_level_error_total",
Help: "Total number of logging events at level error.",
},
)
)
// Logfmt enabled output in logfmt, instead of output more suitable for
// command-line tools. Must be set early in a program lifecycle.
var Logfmt bool
@ -325,6 +349,15 @@ func (h *handler) Handle(ctx context.Context, r slog.Record) error {
if !ok {
return nil
}
if r.Level >= LevelInfo {
if r.Level == LevelInfo {
metricLogInfo.Inc()
} else if r.Level <= LevelWarn {
metricLogWarn.Inc()
} else if r.Level <= LevelError {
metricLogError.Inc()
}
}
if hideData, hideAuth := traceLevel(l, r.Level); hideData {
r.Message = "..."
} else if hideAuth {