mirror of
https://github.com/kubevela/kubevela.git
synced 2026-05-16 06:16:52 +00:00
133 lines
3.7 KiB
Go
133 lines
3.7 KiB
Go
/*
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Copyright 2023 The KubeVela 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 log
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import (
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"fmt"
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"io"
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"os"
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"runtime"
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"strings"
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"time"
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"github.com/fatih/color"
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"github.com/go-logr/logr"
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"github.com/kubevela/pkg/util/slices"
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"github.com/kubevela/pkg/util/stringtools"
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"k8s.io/klog/v2"
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)
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var _ logr.LogSink = &logger{}
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// NewLogger create a logr.Logger with vela-cli format
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func NewLogger(name string) logr.Logger {
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return NewLoggerWithWriter(name, os.Stdout, os.Stderr)
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}
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// NewLoggerWithWriter create a logr.Logger with vela-cli format and customized writer
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func NewLoggerWithWriter(name string, out io.Writer, errWriter io.Writer) logr.Logger {
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return logr.New(&logger{name: name, out: out, errWriter: errWriter})
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}
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type logger struct {
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name string
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callDepth int
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values []interface{}
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out io.Writer
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errWriter io.Writer
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}
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// Init init
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func (in *logger) Init(info logr.RuntimeInfo) {
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in.callDepth += info.CallDepth
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}
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// Enabled check if enabled
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func (in *logger) Enabled(level int) bool {
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return klog.VDepth(in.callDepth+2, klog.Level(level)).Enabled()
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}
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func (in *logger) mergeKeysAndValues(keysAndValues []interface{}) string {
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lookup := map[string]string{}
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var keys []string
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for i := 0; i < len(keysAndValues); i += 2 {
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key := fmt.Sprintf("%s", keysAndValues[i])
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value := fmt.Sprintf("%s", keysAndValues[i+1])
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if _, found := lookup[key]; !found {
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keys = append(keys, key)
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}
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lookup[key] = fmt.Sprintf("%s=\"%s\"", key, value)
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}
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return strings.Join(slices.Map(keys, func(key string) string { return lookup[key] }), " ")
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}
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func (in *logger) print(writer io.Writer, head string, msg string, keysAndValues ...interface{}) {
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var caller, timeStr, nameStr string
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if klog.V(4).Enabled() {
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nameStr = color.MagentaString(fmt.Sprintf("%s ", in.name))
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if _, file, line, ok := runtime.Caller(7); ok {
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if !klog.V(7).Enabled() {
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file = file[strings.LastIndex(file, "/")+1:]
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}
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caller = fmt.Sprintf("[%s:%d] ", file, line)
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}
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t := time.Now()
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timeStr = fmt.Sprintf("%02d:%02d:%02d ", t.Hour(), t.Minute(), t.Second())
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if klog.V(7).Enabled() {
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timeStr = t.Format(time.RFC3339) + " "
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}
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}
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_, _ = fmt.Fprintf(writer, "%s %s%s%s%s %s\n", head, nameStr, timeStr, caller, strings.TrimSpace(stringtools.Capitalize(msg)), in.mergeKeysAndValues(keysAndValues))
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}
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// Info .
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func (in *logger) Info(level int, msg string, keysAndValues ...interface{}) {
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if level < 1 {
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level = 1
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}
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if in.Enabled(level) {
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in.print(in.out, color.CyanString("INFO"), msg, append(in.values, keysAndValues...)...)
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}
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}
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// Error .
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func (in *logger) Error(err error, msg string, keysAndValues ...interface{}) {
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if err != nil {
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keysAndValues = append(keysAndValues, "err", err.Error())
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}
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in.print(in.errWriter, color.RedString("ERR "), msg, append(in.values, keysAndValues...)...)
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}
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// WithValues fork a logger with given key-values
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func (in *logger) WithValues(keysAndValues ...interface{}) logr.LogSink {
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sink := &logger{}
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*sink = *in
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if len(keysAndValues)%2 != 0 {
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keysAndValues = append(keysAndValues, "(MISSING)")
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}
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sink.values = append(in.values, keysAndValues...) // nolint
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return sink
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}
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// WithName fork a logger with given name
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func (in *logger) WithName(name string) logr.LogSink {
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sink := &logger{}
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*sink = *in
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sink.name = name
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return sink
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}
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