// Copyright 2015 CoreOS, Inc. // // 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. // // +build !windows package capnslog import ( "io" "os" "syscall" ) // Here's where the opinionation comes in. We need some sensible defaults, // especially after taking over the log package. Your project (whatever it may // be) may see things differently. That's okay; there should be no defaults in // the main package that cannot be controlled or overridden programatically, // otherwise it's a bug. Doing so is creating your own init_log.go file much // like this one. func init() { initHijack() // Go `log` pacakge uses os.Stderr. SetFormatter(NewDefaultFormatter(os.Stderr)) SetGlobalLogLevel(INFO) } func NewDefaultFormatter(out io.Writer) Formatter { if syscall.Getppid() == 1 { // We're running under init, which may be systemd. f, err := NewJournaldFormatter() if err == nil { return f } } return NewPrettyFormatter(out, false) }