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Context based logging for rbd

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Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2019-08-22 22:27:23 +05:30
committed by mergify[bot]
parent 81c28d6cb0
commit 38ca08bf65
7 changed files with 188 additions and 303 deletions
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128
pkg/util/log.go
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@ -19,133 +19,15 @@ package util
import (
"context"
"fmt"
"k8s.io/klog"
)
type Verbosity struct {
level int
}
func V(i int) *Verbosity {
return &Verbosity{level: i}
}
type contextKey string
// Key for context based logging
var Key = contextKey("ID")
var id = "ID: %d "
// INFO
func (v *Verbosity) Infof(ctx context.Context, format string, args ...interface{}) {
format = id + format
args = append([]interface{}{ctx.Value(Key)}, args...)
klog.V(klog.Level(v.level)).Infof(format, args...)
}
func Infof(ctx context.Context, format string, args ...interface{}) {
format = id + format
args = append([]interface{}{ctx.Value(Key)}, args...)
klog.Infof(format, args...)
}
func (v *Verbosity) Info(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf(id, ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.V(klog.Level(v.level)).Info(args...)
}
func Info(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf(id, ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Info(args...)
}
func (v *Verbosity) Infoln(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf("ID: %d", ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.V(klog.Level(v.level)).Infoln(args...)
}
func Infoln(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf("ID: %d", ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Infoln(args...)
}
// WARNING
func Warningf(ctx context.Context, format string, args ...interface{}) {
format = id + format
args = append([]interface{}{ctx.Value(Key)}, args...)
klog.Warningf(format, args...)
}
func Warning(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf(id, ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Warning(args...)
}
func Warningln(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf("ID: %d", ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Warningln(args...)
}
// ERROR
func Errorf(ctx context.Context, format string, args ...interface{}) {
format = id + format
args = append([]interface{}{ctx.Value(Key)}, args...)
klog.Errorf(format, args...)
}
func Error(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf(id, ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Error(args...)
}
func Errorln(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf("ID: %d", ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Errorln(args...)
}
// FATAL
func Fatalf(ctx context.Context, format string, args ...interface{}) {
format = id + format
args = append([]interface{}{ctx.Value(Key)}, args...)
klog.Fatalf(format, args...)
}
func Fatal(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf(id, ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Fatal(args...)
}
func Fatalln(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf("ID: %d", ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Fatalln(args...)
}
// EXIT
func Exitf(ctx context.Context, format string, args ...interface{}) {
format = id + format
args = append([]interface{}{ctx.Value(Key)}, args...)
klog.Exitf(format, args...)
}
func Exit(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf(id, ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Exit(args...)
}
func Exitln(ctx context.Context, args ...interface{}) {
idString := fmt.Sprintf("ID: %d", ctx.Value(Key))
args = append([]interface{}{idString}, args...)
klog.Exitln(args...)
// Log helps in context based logging
func Log(ctx context.Context, format string) string {
a := fmt.Sprintf("ID: %v ", ctx.Value(Key))
return a + format
}