| // 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) |
| } |