mirror of
https://github.com/ceph/ceph-csi.git
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aa83c4e123
Bumps the k8s-dependencies group with 1 update: [k8s.io/klog/v2](https://github.com/kubernetes/klog). Updates `k8s.io/klog/v2` from 2.110.1 to 2.120.0 - [Release notes](https://github.com/kubernetes/klog/releases) - [Changelog](https://github.com/kubernetes/klog/blob/main/RELEASE.md) - [Commits](https://github.com/kubernetes/klog/compare/v2.110.1...v2.120.0) --- updated-dependencies: - dependency-name: k8s.io/klog/v2 dependency-type: direct:production update-type: version-update:semver-minor dependency-group: k8s-dependencies ... Signed-off-by: dependabot[bot] <support@github.com>
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
//go:build go1.21
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// +build go1.21
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/*
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Copyright 2023 The logr 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 funcr
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import (
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"context"
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"log/slog"
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"github.com/go-logr/logr"
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)
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var _ logr.SlogSink = &fnlogger{}
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const extraSlogSinkDepth = 3 // 2 for slog, 1 for SlogSink
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func (l fnlogger) Handle(_ context.Context, record slog.Record) error {
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kvList := make([]any, 0, 2*record.NumAttrs())
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record.Attrs(func(attr slog.Attr) bool {
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kvList = attrToKVs(attr, kvList)
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return true
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})
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if record.Level >= slog.LevelError {
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l.WithCallDepth(extraSlogSinkDepth).Error(nil, record.Message, kvList...)
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} else {
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level := l.levelFromSlog(record.Level)
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l.WithCallDepth(extraSlogSinkDepth).Info(level, record.Message, kvList...)
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}
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return nil
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}
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func (l fnlogger) WithAttrs(attrs []slog.Attr) logr.SlogSink {
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kvList := make([]any, 0, 2*len(attrs))
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for _, attr := range attrs {
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kvList = attrToKVs(attr, kvList)
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}
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l.AddValues(kvList)
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return &l
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}
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func (l fnlogger) WithGroup(name string) logr.SlogSink {
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l.startGroup(name)
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return &l
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}
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// attrToKVs appends a slog.Attr to a logr-style kvList. It handle slog Groups
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// and other details of slog.
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func attrToKVs(attr slog.Attr, kvList []any) []any {
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attrVal := attr.Value.Resolve()
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if attrVal.Kind() == slog.KindGroup {
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groupVal := attrVal.Group()
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grpKVs := make([]any, 0, 2*len(groupVal))
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for _, attr := range groupVal {
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grpKVs = attrToKVs(attr, grpKVs)
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}
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if attr.Key == "" {
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// slog says we have to inline these
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kvList = append(kvList, grpKVs...)
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} else {
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kvList = append(kvList, attr.Key, PseudoStruct(grpKVs))
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}
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} else if attr.Key != "" {
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kvList = append(kvList, attr.Key, attrVal.Any())
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}
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return kvList
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}
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// levelFromSlog adjusts the level by the logger's verbosity and negates it.
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// It ensures that the result is >= 0. This is necessary because the result is
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// passed to a LogSink and that API did not historically document whether
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// levels could be negative or what that meant.
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//
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// Some example usage:
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//
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// logrV0 := getMyLogger()
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// logrV2 := logrV0.V(2)
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// slogV2 := slog.New(logr.ToSlogHandler(logrV2))
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// slogV2.Debug("msg") // =~ logrV2.V(4) =~ logrV0.V(6)
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// slogV2.Info("msg") // =~ logrV2.V(0) =~ logrV0.V(2)
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// slogv2.Warn("msg") // =~ logrV2.V(-4) =~ logrV0.V(0)
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func (l fnlogger) levelFromSlog(level slog.Level) int {
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result := -level
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if result < 0 {
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result = 0 // because LogSink doesn't expect negative V levels
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}
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return int(result)
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}
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