/
log_level.go
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/
log_level.go
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// Copyright 2020 Antrea 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 log
import (
"flag"
"k8s.io/klog/v2"
)
const logVerbosityFlag = "v"
// GetCurrentLogLevel returns the current log verbosity level.
func GetCurrentLogLevel() string {
return flag.Lookup(logVerbosityFlag).Value.String()
}
// SetLogLevel sets the log verbosity level. level must be a string
// representation of a decimal integer.
func SetLogLevel(level string) error {
oldLevel := GetCurrentLogLevel()
if oldLevel == level {
return nil
}
var l klog.Level
err := l.Set(level)
if err != nil {
return err
}
klog.Infof("Changed log level from %s to %s", oldLevel, level)
return nil
}