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config.go
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config.go
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// Copyright 2023 The Cello Authors
//
// Licensed 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 logger
import "os"
const (
envLogLevel = "CELLO_CNI_LOGLEVEL"
defaultLogLevel = "info"
envLogLocation = "CELLO_CNI_LOCATION"
envReportCaller = "CELLO_CNI_LOG_CALLER"
defaultReportCaller = false
)
// Configuration stores the config of the logger.
type Configuration struct {
LogLevel string
LogLocation string
ReportCaller bool
}
// LoadLogConfig returns the log configuration.
func LoadLogConfig() *Configuration {
return &Configuration{
LogLevel: GetLogLevel(),
LogLocation: GetLogLocation(),
ReportCaller: GetLogReportCaller(),
}
}
// GetLogLocation get the log location from env.
func GetLogLocation() string {
logLocation := os.Getenv(envLogLocation)
return logLocation
}
// GetLogLevel get the log level from env.
func GetLogLevel() string {
logLevel := os.Getenv(envLogLevel)
if logLevel == "" {
logLevel = defaultLogLevel
}
return logLevel
}
func GetLogReportCaller() bool {
reportCaller := os.Getenv(envReportCaller)
switch reportCaller {
case "true":
return true
case "false":
return false
default:
return defaultReportCaller
}
}