func (p DeployMarathon) Install(data manifest.Manifest) error {
marathonApi, err := MarathonClient(data.GetString("marathon-address"))
if err != nil {
return err
}
fullName := data.GetString("app-name")
bs, bf, bmax, grace := 5.0, 2.0, 120.0, 30.0
app := &marathon.Application{
BackoffSeconds: &bs,
BackoffFactor: &bf,
MaxLaunchDelaySeconds: &bmax,
TaskKillGracePeriodSeconds: &grace,
UpgradeStrategy: &marathon.UpgradeStrategy{
MinimumHealthCapacity: 0.5, // rolling update
MaximumOverCapacity: 0.0,
},
}
portArgs := ""
if port := data.GetString("listen-port"); port != "" {
portArgs = "--port " + port
}
app.Name(fullName)
app.Command(fmt.Sprintf("exec serve-tools consul supervisor --service '%s' %s start %s", fullName, portArgs, data.GetString("cmd")))
app.Count(data.GetInt("instances"))
app.Memory(float64(data.GetInt("mem")))
if cpu, err := strconv.ParseFloat(data.GetString("cpu"), 64); err == nil {
app.CPU(cpu)
}
if cluster := data.GetString("cluster"); cluster != "" {
cs := strings.SplitN(cluster, ":", 2)
app.AddConstraint(cs[0], "CLUSTER", cs[1])
app.AddLabel(cs[0], cs[1])
}
for _, cons := range data.GetArray("constraints") {
if consArr, ok := cons.Unwrap().([]interface{}); ok {
consStrings := make([]string, len(consArr))
for i, c := range consArr {
consStrings[i] = fmt.Sprintf("%s", c)
}
app.AddConstraint(consStrings...)
}
}
for _, port := range data.GetArray("ports") {
app.AddPortDefinition(marathon.PortDefinition{Name: port.GetStringOr("name", "")}.SetPort(port.GetIntOr("port", 0)))
}
app.AddEnv("SERVICE_DEPLOY_TIME", time.Now().Format(time.RFC3339)) // force redeploy app
for k, v := range data.GetMap("environment") {
app.AddEnv(k, fmt.Sprintf("%s", v.Unwrap()))
}
app.AddUris(data.GetString("package-uri"))
// todo: в манифесте задавать массив healthchecks, их использовтаь в марафоне и консул-супервизоре
// todo: открыть сетевой доступ от марафона до мезос-агентов, чтобы марафон мог хелсчеки посылать
//if portArgs != "" {
// health := marathon.NewDefaultHealthCheck()
// health.Protocol = "TCP"
// health.IntervalSeconds = 5
// *health.PortIndex = 0
// app.AddHealthCheck(*health)
//}
if _, err := marathonApi.UpdateApplication(app, false); err != nil {
color.Yellow("marathon <- %s", app)
return err
}
color.Green("marathon <- %s", app)
consulApi, err := utils.ConsulClient(data.GetString("consul-address"))
if err != nil {
return err
}
if err := utils.RegisterPluginData("deploy.marathon", data.GetString("app-name"), data.String(), data.GetString("consul-address")); err != nil {
return err
}
return backoff.Retry(func() error {
services, _, err := consulApi.Health().Service(fullName, "", true, nil)
if err != nil {
log.Println(color.RedString("Error in check health in consul: %v", err))
return err
}
if len(services) == 0 {
log.Printf("Service `%s` not started yet! Retry...", fullName)
return fmt.Errorf("Service `%s` not started!", fullName)
}
log.Println(color.GreenString("Service `%s` successfully started!", fullName))
return nil
}, backoff.NewExponentialBackOff())
}