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())
}
func (p ReleaseHttp) Run(data manifest.Manifest) error {
if !data.Has("routes") {
log.Println("No routes configured for release.")
return nil
}
consul, err := utils.ConsulClient(data.GetString("consul-address"))
if err != nil {
return err
}
fullName := data.GetString("full-name")
// check current service is alive and healthy
if err := backoff.Retry(func() error {
services, _, err := consul.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)
} else {
log.Printf("Service `%s` started with %v instances.", fullName, len(services))
return nil
}
}, backoff.NewExponentialBackOff()); err != nil {
return err
}
routeVars := make(map[string]string, 0)
if data.Has("route") {
if err := json.Unmarshal([]byte(data.GetString("route")), &routeVars); err != nil {
log.Println(color.RedString("Error parse route json: %v, %s", err, data.GetString("route")))
return err
}
}
// collect routes
routes := make([]map[string]string, 0)
for _, route := range data.GetArray("routes") {
if !route.Has("host") {
log.Printf("Not found 'host': %s, skip...", route.String())
continue
}
fields := make(map[string]string)
for k, v := range route.Unwrap().(map[string]interface{}) {
fields[k] = fmt.Sprintf("%v", v)
}
routes = append(routes, utils.MergeMaps(fields, routeVars))
}
if len(routes) == 0 {
log.Println("No routes configured for release.")
return nil
}
routesJson, err := json.MarshalIndent(routes, "", " ")
if err != nil {
return err
}
// write routes to consul kv
if err := utils.PutConsulKv(consul, "services/routes/"+fullName, string(routesJson)); err != nil {
return err
}
log.Println(color.GreenString("Service `%s` released with routes: %s", fullName, string(routesJson)))
// find old services with the same routes
existsRoutes, err := utils.ListConsulKv(consul, "services/routes/"+data.GetString("name-prefix"), nil)
if err != nil {
return err
}
for _, existsRoute := range existsRoutes {
if existsRoute.Key != fmt.Sprintf("services/routes/%s", fullName) { // skip current service
oldRoutes := make([]map[string]string, 0)
if err := json.Unmarshal(existsRoute.Value, &oldRoutes); err != nil {
return err
}
OuterLoop:
for _, route := range routes {
for _, oldRoute := range oldRoutes {
if utils.MapsEqual(route, oldRoute) {
outdated := strings.TrimPrefix(existsRoute.Key, "services/routes/")
log.Println(color.GreenString("Found %s with the same routes %v. Remove it!", outdated, string(existsRoute.Value)))
if err := utils.DelConsulKv(consul, existsRoute.Key); err != nil {
return err
}
if err := utils.MarkAsOutdated(consul, outdated, 10*time.Minute); err != nil {
return err
}
break OuterLoop
}
}
}
}
}
return nil
}