mirror of
https://gitea.com/Lydanne/buildx.git
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97 lines
2.6 KiB
Go
97 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 sloghandler
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import (
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"context"
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"log/slog"
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"runtime"
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"strings"
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"time"
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"k8s.io/klog/v2/internal/severity"
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)
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func Handle(_ context.Context, record slog.Record, groups string, printWithInfos func(file string, line int, now time.Time, err error, s severity.Severity, msg string, kvList []interface{})) error {
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now := record.Time
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if now.IsZero() {
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// This format doesn't support printing entries without a time.
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now = time.Now()
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}
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// slog has numeric severity levels, with 0 as default "info", negative for debugging, and
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// positive with some pre-defined levels for more important. Those ranges get mapped to
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// the corresponding klog levels where possible, with "info" the default that is used
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// also for negative debug levels.
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level := record.Level
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s := severity.InfoLog
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switch {
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case level >= slog.LevelError:
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s = severity.ErrorLog
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case level >= slog.LevelWarn:
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s = severity.WarningLog
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}
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var file string
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var line int
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if record.PC != 0 {
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// Same as https://cs.opensource.google/go/x/exp/+/642cacee:slog/record.go;drc=642cacee5cc05231f45555a333d07f1005ffc287;l=70
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fs := runtime.CallersFrames([]uintptr{record.PC})
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f, _ := fs.Next()
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if f.File != "" {
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file = f.File
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if slash := strings.LastIndex(file, "/"); slash >= 0 {
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file = file[slash+1:]
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}
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line = f.Line
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}
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} else {
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file = "???"
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line = 1
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}
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kvList := make([]interface{}, 0, 2*record.NumAttrs())
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record.Attrs(func(attr slog.Attr) bool {
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kvList = appendAttr(groups, kvList, attr)
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return true
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})
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printWithInfos(file, line, now, nil, s, record.Message, kvList)
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return nil
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}
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func Attrs2KVList(groups string, attrs []slog.Attr) []interface{} {
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kvList := make([]interface{}, 0, 2*len(attrs))
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for _, attr := range attrs {
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kvList = appendAttr(groups, kvList, attr)
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}
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return kvList
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}
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func appendAttr(groups string, kvList []interface{}, attr slog.Attr) []interface{} {
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var key string
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if groups != "" {
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key = groups + "." + attr.Key
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} else {
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key = attr.Key
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}
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return append(kvList, key, attr.Value)
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}
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