//监听到容器启动时做的操作
func Start(client *docker.Client, event *docker.APIEvents) {
fmt.Println("Received start event %s for container %s", event.Status, event.ID[:12])
container, err := client.InspectContainer(event.ID[:12])
common.ErrorHandle(err)
ipAddress := container.NetworkSettings.IPAddress
include := common.GetConfig("Section", "include")
if include == "*" || strings.Contains(","+include+",", ","+common.SubstrAfter(container.Name, 0)+",") {
common.AppendFile(common.GetConfig("Section", "hostFile"), ipAddress+" "+getDomainName(container.Name))
restartDns()
}
}
//监听到容器消亡时做的操作
func Die(client *docker.Client, event *docker.APIEvents) {
fmt.Println("Received die event %s for container %s", event.Status, event.ID[:12])
container, err := client.InspectContainer(event.ID[:12])
common.ErrorHandle(err)
include := common.GetConfig("Section", "include")
if include == "*" || strings.Contains(","+include+",", ","+common.SubstrAfter(container.Name, 0)+",") {
strData := common.ReadFile(common.GetConfig("Section", "hostFile"))
arrData := strings.Split(strData, "\n")
strData = ""
for i := 0; i < len(arrData); i++ {
if strings.Index(arrData[i], getDomainName(container.Name)) >= 0 {
continue
}
if strData == "" {
strData = arrData[i]
} else {
strData += "\n" + arrData[i]
}
}
common.SaveFile(common.GetConfig("Section", "hostFile"), strData)
restartDns()
}
}
//重启dnsmasq
func restartDns() {
sh := exec.Command("/sbin/service", "dnsmasq", " restart")
_, err := sh.CombinedOutput()
common.ErrorHandle(err)
}