NONRTRIC - Implement DMaaP mediator producer service in Java

[nonrtric.git] / dmaap-mediator-producer / main.go

diff --git a/dmaap-mediator-producer/main.go b/dmaap-mediator-producer/main.go
index 240bdbd..2d72466 100644 (file)
--- a/dmaap-mediator-producer/main.go
+++ b/dmaap-mediator-producer/main.go
@@ -21,39 +21,93 @@
 package main
 
 import (
+       "crypto/tls"
+       "fmt"
+       "net/http"
        "time"
 
        log "github.com/sirupsen/logrus"
        "oransc.org/nonrtric/dmaapmediatorproducer/internal/config"
-       "oransc.org/nonrtric/dmaapmediatorproducer/internal/jobtypes"
+       "oransc.org/nonrtric/dmaapmediatorproducer/internal/jobs"
+       "oransc.org/nonrtric/dmaapmediatorproducer/internal/restclient"
+       "oransc.org/nonrtric/dmaapmediatorproducer/internal/server"
 )
 
 var configuration *config.Config
 
 func init() {
        configuration = config.New()
-       if loglevel, err := log.ParseLevel(configuration.LogLevel); err == nil {
-               log.SetLevel(loglevel)
+}
+
+func main() {
+       log.SetLevel(configuration.LogLevel)
+       log.Debug("Initializing DMaaP Mediator Producer")
+       log.Debug("Using configuration: ", configuration)
+       if err := validateConfiguration(configuration); err != nil {
+               log.Fatalf("Stopping producer due to error: %v", err)
+       }
+       callbackAddress := fmt.Sprintf("%v:%v", configuration.InfoProducerHost, configuration.InfoProducerPort)
+
+       var cert tls.Certificate
+       if c, err := restclient.CreateClientCertificate(configuration.ProducerCertPath, configuration.ProducerKeyPath); err == nil {
+               cert = c
        } else {
-               log.Warnf("Invalid log level: %v. Log level will be Info!", configuration.LogLevel)
+               log.Fatalf("Stopping producer due to error: %v", err)
        }
+       retryClient := restclient.CreateRetryClient(cert)
 
-       log.Debug("Initializing DMaaP Mediator Producer")
-       if configuration.JobResultUri == "" {
-               log.Fatal("Missing JOB_RESULT_URI")
+       jobsManager := jobs.NewJobsManagerImpl(retryClient, configuration.DMaaPMRAddress, restclient.CreateClientWithoutRetry(cert, 10*time.Second))
+       if err := registerTypesAndProducer(jobsManager, configuration.InfoCoordinatorAddress, callbackAddress, retryClient); err != nil {
+               log.Fatalf("Stopping producer due to: %v", err)
        }
+       jobsManager.StartJobsForAllTypes()
 
-       registrator := config.NewRegistratorImpl(configuration.InfoCoordinatorAddress)
-       if types, err := jobtypes.GetTypes(); err == nil {
-               if regErr := registrator.RegisterTypes(types); regErr != nil {
-                       log.Fatalf("Unable to register all types due to: %v", regErr)
+       log.Debug("Starting DMaaP Mediator Producer")
+       go func() {
+               log.Debugf("Starting callback server at port %v", configuration.InfoProducerPort)
+               r := server.NewRouter(jobsManager)
+               if restclient.IsUrlSecure(callbackAddress) {
+                       log.Fatalf("Server stopped: %v", http.ListenAndServeTLS(fmt.Sprintf(":%v", configuration.InfoProducerPort), configuration.ProducerCertPath, configuration.ProducerKeyPath, r))
+               } else {
+                       log.Fatalf("Server stopped: %v", http.ListenAndServe(fmt.Sprintf(":%v", configuration.InfoProducerPort), r))
                }
-       } else {
-               log.Fatalf("Unable to get types to register due to: %v", err)
+       }()
+
+       keepProducerAlive()
+}
+
+func validateConfiguration(configuration *config.Config) error {
+       if configuration.InfoProducerHost == "" {
+               return fmt.Errorf("missing INFO_PRODUCER_HOST")
+       }
+       if configuration.ProducerCertPath == "" || configuration.ProducerKeyPath == "" {
+               return fmt.Errorf("missing PRODUCER_CERT and/or PRODUCER_KEY")
        }
+       return nil
 }
+func registerTypesAndProducer(jobTypesHandler jobs.JobTypesManager, infoCoordinatorAddress string, callbackAddress string, client restclient.HTTPClient) error {
+       registrator := config.NewRegistratorImpl(infoCoordinatorAddress, client)
+       configTypes, err := config.GetJobTypesFromConfiguration("configs/type_config.json")
+       if err != nil {
+               return fmt.Errorf("unable to register all types due to: %v", err)
+       }
+       regErr := registrator.RegisterTypes(jobTypesHandler.LoadTypesFromConfiguration(configTypes))
+       if regErr != nil {
+               return fmt.Errorf("unable to register all types due to: %v", regErr)
+       }
 
-func main() {
-       log.Debug("Starting DMaaP Mediator Producer")
-       time.Sleep(1000 * time.Millisecond)
+       producer := config.ProducerRegistrationInfo{
+               InfoProducerSupervisionCallbackUrl: callbackAddress + server.StatusPath,
+               SupportedInfoTypes:                 jobTypesHandler.GetSupportedTypes(),
+               InfoJobCallbackUrl:                 callbackAddress + server.AddJobPath,
+       }
+       if err := registrator.RegisterProducer("DMaaP_Mediator_Producer", &producer); err != nil {
+               return fmt.Errorf("unable to register producer due to: %v", err)
+       }
+       return nil
+}
+
+func keepProducerAlive() {
+       forever := make(chan int)
+       <-forever
 }