forked from docker/libcompose
/
listener.go
75 lines (65 loc) · 1.54 KB
/
listener.go
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package project
import (
"bytes"
"github.com/Sirupsen/logrus"
)
var (
infoEvents = map[Event]bool{
PROJECT_DELETE_DONE: true,
PROJECT_DELETE_START: true,
PROJECT_DOWN_DONE: true,
PROJECT_DOWN_START: true,
PROJECT_RESTART_DONE: true,
PROJECT_RESTART_START: true,
PROJECT_UP_DONE: true,
PROJECT_UP_START: true,
SERVICE_DELETE_START: true,
SERVICE_DELETE: true,
SERVICE_DOWN_START: true,
SERVICE_DOWN: true,
SERVICE_RESTART_START: true,
SERVICE_RESTART: true,
SERVICE_UP_START: true,
SERVICE_UP: true,
}
)
type defaultListener struct {
project *Project
listenChan chan ProjectEvent
upCount int
}
func NewDefaultListener(p *Project) chan<- ProjectEvent {
l := defaultListener{
listenChan: make(chan ProjectEvent),
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.Event == SERVICE_UP {
d.upCount++
}
logf := logrus.Debugf
if infoEvents[event.Event] {
logf = logrus.Infof
}
if event.ServiceName == "" {
logf("Project [%s]: %s %s", d.project.Name, event.Event, buffer.Bytes())
} else {
logf("[%d/%d] [%s]: %s %s", d.upCount, len(d.project.Configs), event.ServiceName, event.Event, buffer.Bytes())
}
}
}