package main
import (
+ "crypto/tls"
"encoding/json"
"fmt"
"net/http"
- "time"
+ "os"
+ "os/signal"
+ "syscall"
"github.com/gorilla/mux"
log "github.com/sirupsen/logrus"
"oransc.org/usecase/oruclosedloop/internal/restclient"
)
-const timeoutHTTPClient = time.Second * 5
const jobId = "14e7bb84-a44d-44c1-90b7-6995a92ad43c"
-var infoCoordAddress string
+var jobRegistrationInfo = struct {
+ InfoTypeID string `json:"info_type_id"`
+ JobResultURI string `json:"job_result_uri"`
+ JobOwner string `json:"job_owner"`
+ JobDefinition interface{} `json:"job_definition"`
+}{
+ InfoTypeID: "STD_Fault_Messages",
+ JobResultURI: "",
+ JobOwner: "O-RU Closed Loop Usecase",
+ JobDefinition: "{}",
+}
+
+var client restclient.HTTPClient
+var configuration *config.Config
var linkfailureConfig linkfailure.Configuration
var lookupService repository.LookupService
-var host string
-var port string
-var client restclient.HTTPClient
+var consumerPort string
+var started bool
func init() {
- configuration := config.New()
+ doInit()
+}
- client = &http.Client{
- Timeout: timeoutHTTPClient,
- }
+func doInit() {
+ configuration = config.New()
log.SetLevel(configuration.LogLevel)
+ log.Debug("Using configuration: ", configuration)
+ consumerPort = fmt.Sprint(configuration.ConsumerPort)
+ jobRegistrationInfo.JobResultURI = configuration.ConsumerHost + ":" + consumerPort
+
+ linkfailureConfig = linkfailure.Configuration{
+ SDNRAddress: configuration.SDNRAddress,
+ SDNRUser: configuration.SDNRUser,
+ SDNRPassword: configuration.SDNPassword,
+ }
+}
+
+func main() {
if err := validateConfiguration(configuration); err != nil {
- log.Fatalf("Unable to start consumer due to: %v", err)
+ log.Fatalf("Unable to start consumer due to configuration error: %v", err)
}
- host = configuration.ConsumerHost
- port = fmt.Sprint(configuration.ConsumerPort)
csvFileHelper := repository.NewCsvFileHelperImpl()
- if initErr := initializeLookupService(csvFileHelper, configuration); initErr != nil {
+ if initErr := initializeLookupService(csvFileHelper, configuration.ORUToODUMapFile); initErr != nil {
log.Fatalf("Unable to create LookupService due to inability to get O-RU-ID to O-DU-ID map. Cause: %v", initErr)
}
- infoCoordAddress = configuration.InfoCoordinatorAddress
-
- linkfailureConfig = linkfailure.Configuration{
- SDNRAddress: configuration.SDNRHost + ":" + fmt.Sprint(configuration.SDNRPort),
- SDNRUser: configuration.SDNRUser,
- SDNRPassword: configuration.SDNPassword,
+ var cert tls.Certificate
+ if c, err := restclient.CreateClientCertificate(configuration.ConsumerCertPath, configuration.ConsumerKeyPath); err == nil {
+ cert = c
+ } else {
+ log.Fatalf("Stopping producer due to error: %v", err)
}
+ client = restclient.CreateRetryClient(cert)
+
+ go func() {
+ startServer()
+ os.Exit(1) // If the startServer function exits, it is because there has been a failure in the server, so we exit.
+ }()
+
+ go func() {
+ deleteOnShutdown(make(chan os.Signal, 1))
+ os.Exit(0)
+ }()
+
+ keepConsumerAlive()
}
func validateConfiguration(configuration *config.Config) error {
if configuration.ConsumerHost == "" || configuration.ConsumerPort == 0 {
return fmt.Errorf("consumer host and port must be provided")
}
- return nil
-}
-func initializeLookupService(csvFileHelper repository.CsvFileHelper, configuration *config.Config) error {
- lookupService = repository.NewLookupServiceImpl(csvFileHelper, configuration.ORUToODUMapFile)
- if initErr := lookupService.Init(); initErr != nil {
- return initErr
+ if configuration.ConsumerCertPath == "" || configuration.ConsumerKeyPath == "" {
+ return fmt.Errorf("missing CONSUMER_CERT and/or CONSUMER_KEY")
}
+
return nil
}
-func main() {
- defer deleteJob()
+func initializeLookupService(csvFileHelper repository.CsvFileHelper, csvFile string) error {
+ lookupService = repository.NewLookupServiceImpl(csvFileHelper, csvFile)
+ return lookupService.Init()
+}
+
+func getRouter() *mux.Router {
messageHandler := linkfailure.NewLinkFailureHandler(lookupService, linkfailureConfig, client)
+
r := mux.NewRouter()
- r.HandleFunc("/", messageHandler.MessagesHandler).Methods(http.MethodPost)
- r.HandleFunc("/admin/start", startHandler).Methods(http.MethodPost)
- r.HandleFunc("/admin/stop", stopHandler).Methods(http.MethodPost)
- log.Error(http.ListenAndServe(":"+port, r))
+ r.HandleFunc("/", messageHandler.MessagesHandler).Methods(http.MethodPost).Name("messageHandler")
+ r.HandleFunc("/status", statusHandler).Methods(http.MethodGet).Name("status")
+ r.HandleFunc("/admin/start", startHandler).Methods(http.MethodPost).Name("start")
+ r.HandleFunc("/admin/stop", stopHandler).Methods(http.MethodPost).Name("stop")
+
+ return r
}
-func startHandler(w http.ResponseWriter, r *http.Request) {
- jobRegistrationInfo := struct {
- InfoTypeId string `json:"info_type_id"`
- JobResultUri string `json:"job_result_uri"`
- JobOwner string `json:"job_owner"`
- JobDefinition interface{} `json:"job_definition"`
- }{
- InfoTypeId: "STD_Fault_Messages",
- JobResultUri: host + ":" + port,
- JobOwner: "O-RU Closed Loop Usecase",
- JobDefinition: "{}",
+func startServer() {
+ var err error
+ if restclient.IsUrlSecure(configuration.ConsumerHost) {
+ err = http.ListenAndServeTLS(fmt.Sprintf(":%v", configuration.ConsumerPort), configuration.ConsumerCertPath, configuration.ConsumerKeyPath, getRouter())
+ } else {
+ err = http.ListenAndServe(fmt.Sprintf(":%v", configuration.ConsumerPort), getRouter())
}
+ if err != nil {
+ log.Errorf("Server stopped unintentionally due to: %v. Deleteing job.", err)
+ if deleteErr := deleteJob(); deleteErr != nil {
+ log.Errorf("Unable to delete consumer job due to: %v. Please remove job %v manually.", deleteErr, jobId)
+ }
+ }
+}
+
+func keepConsumerAlive() {
+ forever := make(chan int)
+ <-forever
+}
+
+func startHandler(w http.ResponseWriter, r *http.Request) {
body, _ := json.Marshal(jobRegistrationInfo)
- putErr := restclient.PutWithoutAuth(infoCoordAddress+"/data-consumer/v1/info-jobs/"+jobId, body, client)
+ putErr := restclient.PutWithoutAuth(configuration.InfoCoordinatorAddress+"/data-consumer/v1/info-jobs/"+jobId, body, client)
if putErr != nil {
- http.Error(w, fmt.Sprintf("Unable to register consumer job: %v", putErr), http.StatusBadRequest)
+ http.Error(w, fmt.Sprintf("Unable to register consumer job due to: %v.", putErr), http.StatusBadRequest)
return
}
log.Debug("Registered job.")
+ started = true
}
func stopHandler(w http.ResponseWriter, r *http.Request) {
deleteErr := deleteJob()
if deleteErr != nil {
- http.Error(w, fmt.Sprintf("Unable to delete consumer job: %v", deleteErr), http.StatusBadRequest)
+ http.Error(w, fmt.Sprintf("Unable to delete consumer job due to: %v. Please remove job %v manually.", deleteErr, jobId), http.StatusBadRequest)
return
}
log.Debug("Deleted job.")
+ started = false
+}
+
+func statusHandler(w http.ResponseWriter, r *http.Request) {
+ runStatus := "started"
+ if !started {
+ runStatus = "stopped"
+ }
+ fmt.Fprintf(w, `{"status": "%v"}`, runStatus)
+}
+
+func deleteOnShutdown(s chan os.Signal) {
+ signal.Notify(s, os.Interrupt)
+ signal.Notify(s, syscall.SIGTERM)
+ <-s
+ log.Info("Shutting down gracefully.")
+ if err := deleteJob(); err != nil {
+ log.Errorf("Unable to delete job on shutdown due to: %v. Please remove job %v manually.", err, jobId)
+ }
}
func deleteJob() error {
- return restclient.Delete(infoCoordAddress+"/data-consumer/v1/info-jobs/"+jobId, client)
+ return restclient.Delete(configuration.InfoCoordinatorAddress+"/data-consumer/v1/info-jobs/"+jobId, client)
}
Code Review / nonrtric.git / blobdiff