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log.go
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log.go
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/*******************************************************************************
*
* Copyright 2019 SAP SE
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You should have received a copy of the License along with this
* program. If not, 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 util
import (
"os"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
)
// NewLogger returns a new Logger with log level configured.
func NewLogger() log.Logger {
logger := log.NewLogfmtLogger(os.Stdout)
logger = log.With(logger, "ts", log.DefaultTimestampUTC, "caller", log.DefaultCaller)
logLevel := level.AllowInfo()
if v, ok := os.LookupEnv("DEBUG"); ok && v != "false" {
logLevel = level.AllowDebug()
}
level.NewFilter(logger, logLevel)
return logger
}