2 // ========================LICENSE_START=================================
5 // Copyright (C) 2021: Nordix Foundation
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
18 // ========================LICENSE_END===================================
29 log "github.com/sirupsen/logrus"
30 "oransc.org/nonrtric/dmaapmediatorproducer/internal/config"
31 "oransc.org/nonrtric/dmaapmediatorproducer/internal/jobs"
32 "oransc.org/nonrtric/dmaapmediatorproducer/internal/restclient"
33 "oransc.org/nonrtric/dmaapmediatorproducer/internal/server"
36 var configuration *config.Config
40 configuration = config.New()
44 log.SetLevel(configuration.LogLevel)
45 log.Debug("Initializing DMaaP Mediator Producer")
46 log.Debug("Using configuration: ", configuration)
47 if err := validateConfiguration(configuration); err != nil {
48 log.Fatalf("Stopping producer due to error: %v", err)
50 callbackAddress := fmt.Sprintf("%v:%v", configuration.InfoProducerHost, configuration.InfoProducerPort)
52 var cert tls.Certificate
53 if c, err := restclient.CreateClientCertificate(configuration.ProducerCertPath, configuration.ProducerKeyPath); err == nil {
56 log.Fatalf("Stopping producer due to error: %v", err)
58 retryClient := restclient.CreateRetryClient(cert)
60 jobsManager := jobs.NewJobsManagerImpl(retryClient, configuration.DMaaPMRAddress, restclient.CreateClientWithoutRetry(cert, 10*time.Second))
61 go startCallbackServer(jobsManager, callbackAddress)
63 if err := registerTypesAndProducer(jobsManager, configuration.InfoCoordinatorAddress, callbackAddress, retryClient); err != nil {
64 log.Fatalf("Stopping producer due to: %v", err)
67 jobsManager.StartJobsForAllTypes()
69 log.Debug("Starting DMaaP Mediator Producer")
74 func validateConfiguration(configuration *config.Config) error {
75 if configuration.InfoProducerHost == "" {
76 return fmt.Errorf("missing INFO_PRODUCER_HOST")
78 if configuration.ProducerCertPath == "" || configuration.ProducerKeyPath == "" {
79 return fmt.Errorf("missing PRODUCER_CERT and/or PRODUCER_KEY")
83 func registerTypesAndProducer(jobTypesHandler jobs.JobTypesManager, infoCoordinatorAddress string, callbackAddress string, client restclient.HTTPClient) error {
84 registrator := config.NewRegistratorImpl(infoCoordinatorAddress, client)
85 configTypes, err := config.GetJobTypesFromConfiguration("configs/type_config.json")
87 return fmt.Errorf("unable to register all types due to: %v", err)
89 regErr := registrator.RegisterTypes(jobTypesHandler.LoadTypesFromConfiguration(configTypes))
91 return fmt.Errorf("unable to register all types due to: %v", regErr)
94 producer := config.ProducerRegistrationInfo{
95 InfoProducerSupervisionCallbackUrl: callbackAddress + server.HealthCheckPath,
96 SupportedInfoTypes: jobTypesHandler.GetSupportedTypes(),
97 InfoJobCallbackUrl: callbackAddress + server.AddJobPath,
99 if err := registrator.RegisterProducer("DMaaP_Mediator_Producer", &producer); err != nil {
100 return fmt.Errorf("unable to register producer due to: %v", err)
105 func startCallbackServer(jobsManager jobs.JobsManager, callbackAddress string) {
106 log.Debugf("Starting callback server at port %v", configuration.InfoProducerPort)
107 r := server.NewRouter(jobsManager, statusHandler)
108 if restclient.IsUrlSecure(callbackAddress) {
109 log.Fatalf("Server stopped: %v", http.ListenAndServeTLS(fmt.Sprintf(":%v", configuration.InfoProducerPort), configuration.ProducerCertPath, configuration.ProducerKeyPath, r))
111 log.Fatalf("Server stopped: %v", http.ListenAndServe(fmt.Sprintf(":%v", configuration.InfoProducerPort), r))
115 func statusHandler(w http.ResponseWriter, r *http.Request) {
116 registeredStatus := "not registered"
118 registeredStatus = "registered"
120 fmt.Fprintf(w, `{"status": "%v"}`, registeredStatus)
123 func keepProducerAlive() {
124 forever := make(chan int)