github.com/rkt/rkt@v1.30.1-0.20200224141603-171c416fac02/stage1/init/kvm/log.go (about)

     1  // Copyright 2016 The rkt Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package kvm
    16  
    17  import (
    18  	"io/ioutil"
    19  	"os"
    20  
    21  	rktlog "github.com/rkt/rkt/pkg/log"
    22  )
    23  
    24  var diag *rktlog.Logger
    25  
    26  func init() {
    27  	diag = rktlog.New(os.Stderr, "kvm", false)
    28  }
    29  
    30  func InitDebug(debug bool) {
    31  	diag.SetDebug(debug)
    32  	if !debug {
    33  		diag.SetOutput(ioutil.Discard)
    34  	}
    35  }