import (
"crypto/tls"
+ "encoding/json"
"fmt"
"net/http"
"time"
+ "github.com/gorilla/mux"
log "github.com/sirupsen/logrus"
+ _ "oransc.org/nonrtric/dmaapmediatorproducer/api"
"oransc.org/nonrtric/dmaapmediatorproducer/internal/config"
"oransc.org/nonrtric/dmaapmediatorproducer/internal/jobs"
+ "oransc.org/nonrtric/dmaapmediatorproducer/internal/kafkaclient"
"oransc.org/nonrtric/dmaapmediatorproducer/internal/restclient"
"oransc.org/nonrtric/dmaapmediatorproducer/internal/server"
+
+ httpSwagger "github.com/swaggo/http-swagger"
)
var configuration *config.Config
+var registered bool
func init() {
configuration = config.New()
}
+// @title DMaaP Mediator Producer
+// @version 1.1.0
+
+// @license.name Apache 2.0
+// @license.url http://www.apache.org/licenses/LICENSE-2.0.html
+
func main() {
log.SetLevel(configuration.LogLevel)
log.Debug("Initializing DMaaP Mediator Producer")
} else {
log.Fatalf("Stopping producer due to error: %v", err)
}
+
retryClient := restclient.CreateRetryClient(cert)
+ kafkaFactory := kafkaclient.KafkaFactoryImpl{BootstrapServer: configuration.KafkaBootstrapServers}
+ distributionClient := restclient.CreateClientWithoutRetry(cert, 10*time.Second)
+
+ jobsManager := jobs.NewJobsManagerImpl(retryClient, configuration.DMaaPMRAddress, kafkaFactory, distributionClient)
+ go startCallbackServer(jobsManager, callbackAddress)
- jobsManager := jobs.NewJobsManagerImpl("configs/type_config.json", retryClient, configuration.DMaaPMRAddress, restclient.CreateClientWithoutRetry(cert, 5*time.Second))
if err := registerTypesAndProducer(jobsManager, configuration.InfoCoordinatorAddress, callbackAddress, retryClient); err != nil {
log.Fatalf("Stopping producer due to: %v", err)
}
- jobsManager.StartJobs()
+ registered = true
+ jobsManager.StartJobsForAllTypes()
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))
- }
- }()
keepProducerAlive()
}
if configuration.ProducerCertPath == "" || configuration.ProducerKeyPath == "" {
return fmt.Errorf("missing PRODUCER_CERT and/or PRODUCER_KEY")
}
+ if configuration.DMaaPMRAddress == "" && configuration.KafkaBootstrapServers == "" {
+ return fmt.Errorf("at least one of DMAAP_MR_ADDR or KAFKA_BOOTSRAP_SERVERS must be provided")
+ }
return nil
}
-func registerTypesAndProducer(jobTypesHandler jobs.JobTypesManager, infoCoordinatorAddress string, callbackAddress string, client restclient.HTTPClient) error {
+func registerTypesAndProducer(jobTypesManager jobs.JobTypesManager, infoCoordinatorAddress string, callbackAddress string, client restclient.HTTPClient) error {
registrator := config.NewRegistratorImpl(infoCoordinatorAddress, client)
- if types, err := jobTypesHandler.LoadTypesFromConfiguration(); err == nil {
- if regErr := registrator.RegisterTypes(types); regErr != nil {
- return fmt.Errorf("unable to register all types due to: %v", regErr)
- }
- } else {
- return fmt.Errorf("unable to get types to register due to: %v", err)
+ configTypes, err := config.GetJobTypesFromConfiguration("configs")
+ if err != nil {
+ return fmt.Errorf("unable to register all types due to: %v", err)
+ }
+ regErr := registrator.RegisterTypes(jobTypesManager.LoadTypesFromConfiguration(configTypes))
+ if regErr != nil {
+ return fmt.Errorf("unable to register all types due to: %v", regErr)
}
+
producer := config.ProducerRegistrationInfo{
- InfoProducerSupervisionCallbackUrl: callbackAddress + server.StatusPath,
- SupportedInfoTypes: jobTypesHandler.GetSupportedTypes(),
+ InfoProducerSupervisionCallbackUrl: callbackAddress + server.HealthCheckPath,
+ SupportedInfoTypes: jobTypesManager.GetSupportedTypes(),
InfoJobCallbackUrl: callbackAddress + server.AddJobPath,
}
if err := registrator.RegisterProducer("DMaaP_Mediator_Producer", &producer); err != nil {
return nil
}
+func startCallbackServer(jobsManager jobs.JobsManager, callbackAddress string) {
+ log.Debugf("Starting callback server at port %v", configuration.InfoProducerPort)
+ r := server.NewRouter(jobsManager, statusHandler)
+ addSwaggerHandler(r)
+ 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))
+ }
+}
+
+type ProducerStatus struct {
+ // The registration status of the producer in Information Coordinator Service. Either `registered` or `not registered`
+ RegisteredStatus string `json:"registeredStatus" swaggertype:"string" example:"registered"`
+} // @name ProducerStatus
+
+// @Summary Get status
+// @Description Get the status of the producer. Will show if the producer has registered in ICS.
+// @Tags Data producer (callbacks)
+// @Produce json
+// @Success 200 {object} ProducerStatus
+// @Router /health_check [get]
+func statusHandler(w http.ResponseWriter, r *http.Request) {
+ status := ProducerStatus{
+ RegisteredStatus: "not registered",
+ }
+ if registered {
+ status.RegisteredStatus = "registered"
+ }
+ json.NewEncoder(w).Encode(status)
+}
+
+// @Summary Get Swagger Documentation
+// @Description Get the Swagger API documentation for the producer.
+// @Tags Admin
+// @Success 200
+// @Router /swagger [get]
+func addSwaggerHandler(r *mux.Router) {
+ r.PathPrefix("/swagger").Handler(httpSwagger.WrapHandler)
+}
+
func keepProducerAlive() {
forever := make(chan int)
<-forever