pkg/tracing/logger.go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE.txt file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package tracing

import (
	"os"

	"k8s.io/klog/v2"
)

const (
	PREFIX = " - apm - "
	DEBUG  = PREFIX + "debug - "
)

type Logger struct{}

func (k *Logger) Debugf(format string, args ...interface{}) {
	if _, debug := os.LookupEnv("DEBUG"); debug {
		klog.Infof(DEBUG+format, args)
	}
}

func (k *Logger) Errorf(format string, args ...interface{}) {
	klog.Errorf(PREFIX+format, args)
}

func (k *Logger) Warningf(format string, args ...interface{}) {
	klog.Warningf(PREFIX+format, args)
}