package main
import (
+ "fmt"
+ "net/http"
+ "sync"
"time"
+ "github.com/hashicorp/go-retryablehttp"
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"
)
+const timeoutDistributionClient = time.Second * 5
+const retryWaitMax = time.Minute
+const retryMax = int(^uint(0) >> 1)
+
var configuration *config.Config
+var retryClient restclient.HTTPClient
+var jobHandler *jobs.JobHandlerImpl
func init() {
configuration = config.New()
- if loglevel, err := log.ParseLevel(configuration.LogLevel); err == nil {
- log.SetLevel(loglevel)
- } else {
- log.Warnf("Invalid log level: %v. Log level will be Info!", configuration.LogLevel)
- }
+}
+func main() {
+ log.SetLevel(configuration.LogLevel)
log.Debug("Initializing DMaaP Mediator Producer")
- if configuration.InfoJobCallbackUrl == "" {
- log.Fatal("Missing INFO_JOB_CALLBACK_URL")
+ if err := validateConfiguration(configuration); err != nil {
+ log.Fatalf("Stopping producer due to error: %v", err)
+ }
+ callbackAddress := fmt.Sprintf("%v:%v", configuration.InfoProducerHost, configuration.InfoProducerPort)
+
+ distributionClient := &http.Client{
+ Timeout: timeoutDistributionClient,
}
- if configuration.InfoProducerSupervisionCallbackUrl == "" {
- log.Fatal("Missing INFO_PRODUCER_SUPERVISION_CALLBACK_URL")
+
+ rawRetryClient := retryablehttp.NewClient()
+ rawRetryClient.RetryWaitMax = retryWaitMax
+ rawRetryClient.RetryMax = retryMax
+ retryClient = rawRetryClient.StandardClient()
+
+ jobHandler = jobs.NewJobHandlerImpl("configs/type_config.json", retryClient, distributionClient)
+ if err := registerTypesAndProducer(jobHandler, configuration.InfoCoordinatorAddress, callbackAddress); err != nil {
+ log.Fatalf("Stopping producer due to: %v", err)
}
- registrator := config.NewRegistratorImpl(configuration.InfoCoordinatorAddress)
- if types, err := jobtypes.GetTypes(); err == nil {
+ log.Debug("Starting DMaaP Mediator Producer")
+ wg := new(sync.WaitGroup)
+
+ // add two goroutines to `wg` WaitGroup, one for each running go routine
+ wg.Add(2)
+
+ log.Debugf("Starting callback server at port %v", configuration.InfoProducerPort)
+ go func() {
+ r := server.NewRouter(jobHandler)
+ log.Warn(http.ListenAndServe(fmt.Sprintf(":%v", configuration.InfoProducerPort), r))
+ wg.Done()
+ }()
+
+ go func() {
+ jobHandler.RunJobs(fmt.Sprintf("%v:%v", configuration.MRHost, configuration.MRPort))
+ wg.Done()
+ }()
+
+ // wait until WaitGroup is done
+ wg.Wait()
+ log.Debug("Stopping DMaaP Mediator Producer")
+}
+
+func validateConfiguration(configuration *config.Config) error {
+ if configuration.InfoProducerHost == "" {
+ return fmt.Errorf("missing INFO_PRODUCER_HOST")
+ }
+ return nil
+}
+
+func registerTypesAndProducer(jobHandler jobs.JobTypeHandler, infoCoordinatorAddress string, callbackAddress string) error {
+ registrator := config.NewRegistratorImpl(infoCoordinatorAddress, retryClient)
+ if types, err := jobHandler.GetTypes(); err == nil {
if regErr := registrator.RegisterTypes(types); regErr != nil {
- log.Fatalf("Unable to register all types due to: %v", regErr)
+ return fmt.Errorf("unable to register all types due to: %v", regErr)
}
} else {
- log.Fatalf("Unable to get types to register due to: %v", err)
+ return fmt.Errorf("unable to get types to register due to: %v", err)
}
producer := config.ProducerRegistrationInfo{
- InfoProducerSupervisionCallbackUrl: configuration.InfoProducerSupervisionCallbackUrl,
- SupportedInfoTypes: jobtypes.GetSupportedTypes(),
- InfoJobCallbackUrl: configuration.InfoJobCallbackUrl,
+ InfoProducerSupervisionCallbackUrl: callbackAddress + server.StatusPath,
+ SupportedInfoTypes: jobHandler.GetSupportedTypes(),
+ InfoJobCallbackUrl: callbackAddress + server.AddJobPath,
}
if err := registrator.RegisterProducer("DMaaP_Mediator_Producer", &producer); err != nil {
- log.Fatalf("Unable to register producer due to: %v", err)
+ return fmt.Errorf("unable to register producer due to: %v", err)
}
-}
-
-func main() {
- log.Debug("Starting DMaaP Mediator Producer")
- time.Sleep(1000 * time.Millisecond)
+ return nil
}