87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
/*
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Copyright 2021 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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"github.com/go-logr/logr"
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"k8s.io/klog/v2/internal/serialize"
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)
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// NewKlogr returns a logger that is functionally identical to
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// klogr.NewWithOptions(klogr.FormatKlog), i.e. it passes through to klog. The
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// difference is that it uses a simpler implementation.
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func NewKlogr() Logger {
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return New(&klogger{})
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}
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// klogger is a subset of klogr/klogr.go. It had to be copied to break an
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// import cycle (klogr wants to use klog, and klog wants to use klogr).
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type klogger struct {
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level int
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callDepth int
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prefix string
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values []interface{}
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}
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func (l *klogger) Init(info logr.RuntimeInfo) {
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l.callDepth += info.CallDepth
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}
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func (l klogger) Info(level int, msg string, kvList ...interface{}) {
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merged := serialize.MergeKVs(l.values, kvList)
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if l.prefix != "" {
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msg = l.prefix + ": " + msg
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}
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V(Level(level)).InfoSDepth(l.callDepth+1, msg, merged...)
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}
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func (l klogger) Enabled(level int) bool {
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return V(Level(level)).Enabled()
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}
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func (l klogger) Error(err error, msg string, kvList ...interface{}) {
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merged := serialize.MergeKVs(l.values, kvList)
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if l.prefix != "" {
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msg = l.prefix + ": " + msg
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}
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ErrorSDepth(l.callDepth+1, err, msg, merged...)
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}
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// WithName returns a new logr.Logger with the specified name appended. klogr
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// uses '/' characters to separate name elements. Callers should not pass '/'
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// in the provided name string, but this library does not actually enforce that.
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func (l klogger) WithName(name string) logr.LogSink {
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if len(l.prefix) > 0 {
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l.prefix = l.prefix + "/"
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}
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l.prefix += name
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return &l
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}
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func (l klogger) WithValues(kvList ...interface{}) logr.LogSink {
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l.values = serialize.WithValues(l.values, kvList)
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return &l
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}
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func (l klogger) WithCallDepth(depth int) logr.LogSink {
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l.callDepth += depth
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return &l
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}
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var _ logr.LogSink = &klogger{}
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var _ logr.CallDepthLogSink = &klogger{}
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