--- /dev/null
+// -
+// ========================LICENSE_START=================================
+// O-RAN-SC
+// %%
+// Copyright (C) 2021: Nordix Foundation
+// %%
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ========================LICENSE_END===================================
+//
+
+package main
+
+import (
+ "crypto/tls"
+ "encoding/json"
+ "fmt"
+ "net/http"
+ "os"
+ "os/signal"
+ "syscall"
+
+ "github.com/gorilla/mux"
+ log "github.com/sirupsen/logrus"
+ "oransc.org/usecase/oruclosedloop/internal/config"
+ "oransc.org/usecase/oruclosedloop/internal/linkfailure"
+ "oransc.org/usecase/oruclosedloop/internal/repository"
+ "oransc.org/usecase/oruclosedloop/internal/restclient"
+)
+
+const jobId = "14e7bb84-a44d-44c1-90b7-6995a92ad43c"
+var job_definition interface{}
+
+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: job_definition,
+}
+
+var client restclient.HTTPClient
+var configuration *config.Config
+var linkfailureConfig linkfailure.Configuration
+var lookupService repository.LookupService
+var consumerPort string
+var started bool
+
+func init() {
+ doInit()
+}
+
+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 configuration error: %v", err)
+ }
+
+ csvFileHelper := repository.NewCsvFileHelperImpl()
+ 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)
+ }
+
+ 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")
+ }
+
+ if configuration.ConsumerCertPath == "" || configuration.ConsumerKeyPath == "" {
+ return fmt.Errorf("missing CONSUMER_CERT and/or CONSUMER_KEY")
+ }
+
+ return nil
+}
+
+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).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 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(configuration.InfoCoordinatorAddress+"/data-consumer/v1/info-jobs/"+jobId, body, client)
+ if putErr != nil {
+ 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 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(configuration.InfoCoordinatorAddress+"/data-consumer/v1/info-jobs/"+jobId, client)
+}
Code Review / nonrtric / rapp / orufhrecovery.git / blobdiff