package main
import (
+ "crypto/tls"
"fmt"
- "sync"
+ "net/http"
+ "time"
+ "github.com/hashicorp/go-retryablehttp"
log "github.com/sirupsen/logrus"
"oransc.org/nonrtric/dmaapmediatorproducer/internal/config"
"oransc.org/nonrtric/dmaapmediatorproducer/internal/jobs"
+ "oransc.org/nonrtric/dmaapmediatorproducer/internal/restclient"
"oransc.org/nonrtric/dmaapmediatorproducer/internal/server"
)
var configuration *config.Config
-var supervisionCallbackAddress string
-var jobInfoCallbackAddress string
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")
+ 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 retryClient restclient.HTTPClient
+ if cert, err := createClientCertificate(); err == nil {
+ retryClient = createRetryClient(cert)
} else {
- log.Warnf("Invalid log level: %v. Log level will be Info!", configuration.LogLevel)
+ log.Fatalf("Stopping producer due to error: %v", err)
}
- log.Debug("Initializing DMaaP Mediator Producer")
- if configuration.InfoProducerSupervisionCallbackHost == "" {
- log.Fatal("Missing INFO_PRODUCER_SUPERVISION_CALLBACK_HOST")
+ jobsManager := jobs.NewJobsManagerImpl("configs/type_config.json", retryClient, configuration.DMaaPMRAddress, &http.Client{
+ Timeout: time.Second * 5,
+ })
+ if err := registerTypesAndProducer(jobsManager, configuration.InfoCoordinatorAddress, callbackAddress, retryClient); err != nil {
+ log.Fatalf("Stopping producer due to: %v", err)
}
- supervisionCallbackAddress = fmt.Sprintf("%v:%v", configuration.InfoProducerSupervisionCallbackHost, configuration.InfoProducerSupervisionCallbackPort)
+ jobsManager.StartJobs()
- if configuration.InfoJobCallbackHost == "" {
- log.Fatal("Missing INFO_JOB_CALLBACK_HOST")
+ log.Debug("Starting DMaaP Mediator Producer")
+ go func() {
+ log.Debugf("Starting callback server at port %v", configuration.InfoProducerPort)
+ r := server.NewRouter(jobsManager)
+ log.Fatalf("Server stopped: %v", http.ListenAndServeTLS(fmt.Sprintf(":%v", configuration.InfoProducerPort), configuration.ProducerCertPath, configuration.ProducerKeyPath, r))
+ }()
+
+ keepProducerAlive()
+}
+
+func validateConfiguration(configuration *config.Config) error {
+ if configuration.InfoProducerHost == "" {
+ return fmt.Errorf("missing INFO_PRODUCER_HOST")
}
- jobInfoCallbackAddress = fmt.Sprintf("%v:%v", configuration.InfoJobCallbackHost, configuration.InfoJobCallbackPort)
+ if configuration.ProducerCertPath == "" || configuration.ProducerKeyPath == "" {
+ return fmt.Errorf("missing PRODUCER_CERT and/or PRODUCER_KEY")
+ }
+ return nil
+}
- registrator := config.NewRegistratorImpl(configuration.InfoCoordinatorAddress)
- if types, err := jobs.GetTypes(); err == nil {
+func createClientCertificate() (*tls.Certificate, error) {
+ if cert, err := tls.LoadX509KeyPair(configuration.ProducerCertPath, configuration.ProducerKeyPath); err == nil {
+ return &cert, nil
+ } else {
+ return nil, fmt.Errorf("cannot create x509 keypair from cert file %s and key file %s due to: %v", configuration.ProducerCertPath, configuration.ProducerKeyPath, err)
+ }
+}
+
+func createRetryClient(cert *tls.Certificate) *http.Client {
+ rawRetryClient := retryablehttp.NewClient()
+ rawRetryClient.RetryWaitMax = time.Minute
+ rawRetryClient.RetryMax = int(^uint(0) >> 1)
+ rawRetryClient.HTTPClient.Transport = &http.Transport{
+ TLSClientConfig: &tls.Config{
+ Certificates: []tls.Certificate{
+ *cert,
+ },
+ InsecureSkipVerify: true,
+ },
+ }
+
+ return rawRetryClient.StandardClient()
+}
+
+func registerTypesAndProducer(jobHandler jobs.JobTypesManager, infoCoordinatorAddress string, callbackAddress string, client restclient.HTTPClient) error {
+ registrator := config.NewRegistratorImpl(infoCoordinatorAddress, client)
+ if types, err := jobHandler.LoadTypesFromConfiguration(); 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: supervisionCallbackAddress,
- SupportedInfoTypes: jobs.GetSupportedTypes(),
- InfoJobCallbackUrl: jobInfoCallbackAddress,
+ 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)
}
+ return nil
}
-func main() {
- log.Debug("Starting DMaaP Mediator Producer")
- wg := new(sync.WaitGroup)
-
- // add two goroutines to `wg` WaitGroup, one for each avilable server
- wg.Add(2)
-
- log.Debugf("Starting status callback server at port %v", configuration.InfoProducerSupervisionCallbackPort)
- go func() {
- server := server.CreateServer(configuration.InfoProducerSupervisionCallbackPort, server.StatusHandler)
- log.Warn(server.ListenAndServe())
- wg.Done()
- }()
-
- go func() {
- server := server.CreateServer(configuration.InfoJobCallbackPort, server.CreateInfoJobHandler)
- log.Warn(server.ListenAndServe())
- wg.Done()
- }()
-
- // wait until WaitGroup is done
- wg.Wait()
- log.Debug("Stopping DMaaP Mediator Producer")
+func keepProducerAlive() {
+ forever := make(chan int)
+ <-forever
}
Code Review / nonrtric.git / blobdiff