forked from docker/libcompose
/
listener.go
76 lines (66 loc) · 1.67 KB
/
listener.go
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package project
import (
"bytes"
"github.com/Sirupsen/logrus"
)
var (
infoEvents = map[EventType]bool{
EventProjectDeleteDone: true,
EventProjectDeleteStart: true,
EventProjectDownDone: true,
EventProjectDownStart: true,
EventProjectRestartDone: true,
EventProjectRestartStart: true,
EventProjectUpDone: true,
EventProjectUpStart: true,
EventServiceDeleteStart: true,
EventServiceDelete: true,
EventServiceDownStart: true,
EventServiceDown: true,
EventServiceRestartStart: true,
EventServiceRestart: true,
EventServiceUpStart: true,
EventServiceUp: true,
}
)
type defaultListener struct {
project *Project
listenChan chan Event
upCount int
}
// NewDefaultListener create a default listener for the specified project.
func NewDefaultListener(p *Project) chan<- Event {
l := defaultListener{
listenChan: make(chan Event),
project: p,
}
go l.start()
return l.listenChan
}
func (d *defaultListener) start() {
for event := range d.listenChan {
buffer := bytes.NewBuffer(nil)
if event.Data != nil {
for k, v := range event.Data {
if buffer.Len() > 0 {
buffer.WriteString(", ")
}
buffer.WriteString(k)
buffer.WriteString("=")
buffer.WriteString(v)
}
}
if event.EventType == EventServiceUp {
d.upCount++
}
logf := logrus.Debugf
if infoEvents[event.EventType] {
logf = logrus.Infof
}
if event.ServiceName == "" {
logf("Project [%s]: %s %s", d.project.Name, event.EventType, buffer.Bytes())
} else {
logf("[%d/%d] [%s]: %s %s", d.upCount, d.project.Configs.Len(), event.ServiceName, event.EventType, buffer.Bytes())
}
}
}