mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
//go:build go1.21
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// +build go1.21
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/*
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Copyright 2023 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package klog
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import (
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"context"
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"log/slog"
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"strconv"
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"time"
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"github.com/go-logr/logr"
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"k8s.io/klog/v2/internal/buffer"
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"k8s.io/klog/v2/internal/serialize"
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"k8s.io/klog/v2/internal/severity"
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"k8s.io/klog/v2/internal/sloghandler"
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)
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func (l *klogger) Handle(ctx context.Context, record slog.Record) error {
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if logging.logger != nil {
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if slogSink, ok := logging.logger.GetSink().(logr.SlogSink); ok {
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// Let that logger do the work.
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return slogSink.Handle(ctx, record)
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}
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}
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return sloghandler.Handle(ctx, record, l.groups, slogOutput)
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}
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// slogOutput corresponds to several different functions in klog.go.
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// It goes through some of the same checks and formatting steps before
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// it ultimately converges by calling logging.printWithInfos.
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func slogOutput(file string, line int, now time.Time, err error, s severity.Severity, msg string, kvList []interface{}) {
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// See infoS.
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if logging.logger != nil {
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// Taking this path happens when klog has a logger installed
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// as backend which doesn't support slog. Not good, we have to
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// guess about the call depth and drop the actual location.
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logger := logging.logger.WithCallDepth(2)
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if s > severity.ErrorLog {
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logger.Error(err, msg, kvList...)
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} else {
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logger.Info(msg, kvList...)
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}
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return
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}
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// See printS.
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b := buffer.GetBuffer()
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b.WriteString(strconv.Quote(msg))
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if err != nil {
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serialize.KVListFormat(&b.Buffer, "err", err)
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}
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serialize.KVListFormat(&b.Buffer, kvList...)
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// See print + header.
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buf := logging.formatHeader(s, file, line, now)
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logging.printWithInfos(buf, file, line, s, nil, nil, 0, &b.Buffer)
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buffer.PutBuffer(b)
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}
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func (l *klogger) WithAttrs(attrs []slog.Attr) logr.SlogSink {
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clone := *l
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clone.values = serialize.WithValues(l.values, sloghandler.Attrs2KVList(l.groups, attrs))
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return &clone
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}
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func (l *klogger) WithGroup(name string) logr.SlogSink {
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clone := *l
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if clone.groups != "" {
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clone.groups += "." + name
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} else {
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clone.groups = name
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}
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return &clone
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}
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var _ logr.SlogSink = &klogger{}
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