X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=policy-agent%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fpolicyagent%2Ftasks%2FRefreshConfigTask.java;h=05bcb0f25e7fcaea2327e4c844e94979dc85cfda;hb=db6bb3802115a45cece80aed62683e02cd7d3282;hp=41f2064a9de9d90a542c00bd21d91b05919daf8d;hpb=81bdaffd323c941da910c258487b7efb78615d6d;p=nonrtric.git

diff --git a/policy-agent/src/main/java/org/oransc/policyagent/tasks/RefreshConfigTask.java b/policy-agent/src/main/java/org/oransc/policyagent/tasks/RefreshConfigTask.java
index 41f2064a..05bcb0f2 100644
--- a/policy-agent/src/main/java/org/oransc/policyagent/tasks/RefreshConfigTask.java
+++ b/policy-agent/src/main/java/org/oransc/policyagent/tasks/RefreshConfigTask.java
@@ -121,49 +121,56 @@ public class RefreshConfigTask {
 
     Flux<RicConfigUpdate.Type> createRefreshTask() {
         Flux<JsonObject> loadFromFile = Flux.interval(Duration.ZERO, FILE_CONFIG_REFRESH_INTERVAL) //
-            .filter(notUsed -> configFileExists()) //
             .filter(notUsed -> !this.isConsulUsed) //
             .flatMap(notUsed -> loadConfigurationFromFile()) //
-            .onErrorResume(this::ignoreError) //
+            .onErrorResume(this::ignoreErrorFlux) //
             .doOnNext(json -> logger.debug("loadFromFile succeeded")) //
-            .doOnTerminate(() -> logger.info("loadFromFile Terminate"));
+            .doOnTerminate(() -> logger.error("loadFromFile Terminate"));
 
-        Flux<JsonObject> loadFromConsul = getEnvironment(systemEnvironment) //
+        Flux<JsonObject> loadFromConsul = Flux.interval(Duration.ZERO, CONSUL_CONFIG_REFRESH_INTERVAL) //
+            .flatMap(i -> getEnvironment(systemEnvironment)) //
             .flatMap(this::createCbsClient) //
-            .flatMapMany(this::periodicConfigurationUpdates) //
-            .onErrorResume(this::ignoreError) //
+            .flatMap(this::getFromCbs) //
+            .onErrorResume(this::ignoreErrorMono) //
             .doOnNext(json -> logger.debug("loadFromConsul succeeded")) //
             .doOnNext(json -> this.isConsulUsed = true) //
-            .doOnTerminate(() -> logger.info("loadFromConsul Terminated"));
+            .doOnTerminate(() -> logger.error("loadFromConsul Terminated"));
 
         return Flux.merge(loadFromFile, loadFromConsul) //
             .flatMap(this::parseConfiguration) //
             .flatMap(this::updateConfig) //
             .doOnNext(this::handleUpdatedRicConfig) //
             .flatMap(configUpdate -> Flux.just(configUpdate.getType())) //
-            .doOnTerminate(() -> handleTerminate("Configuration refresh task is terminated"));
-    }
-
-    private void handleTerminate(String info) {
-        logger.error(info);
+            .doOnTerminate(() -> logger.error("Configuration refresh task is terminated"));
     }
 
     Mono<EnvProperties> getEnvironment(Properties systemEnvironment) {
-        return EnvironmentProcessor.readEnvironmentVariables(systemEnvironment);
+        return EnvironmentProcessor.readEnvironmentVariables(systemEnvironment) //
+            .onErrorResume(t -> Mono.empty());
     }
 
     Mono<CbsClient> createCbsClient(EnvProperties env) {
-        return CbsClientFactory.createCbsClient(env);
+        return CbsClientFactory.createCbsClient(env) //
+            .onErrorResume(this::ignoreErrorMono);
     }
 
-    private Flux<JsonObject> periodicConfigurationUpdates(CbsClient cbsClient) {
-        final Duration initialDelay = Duration.ZERO;
+    private Mono<JsonObject> getFromCbs(CbsClient cbsClient) {
         final CbsRequest getConfigRequest = CbsRequests.getAll(RequestDiagnosticContext.create());
-        return cbsClient.updates(getConfigRequest, initialDelay, CONSUL_CONFIG_REFRESH_INTERVAL) //
-            .onErrorResume(this::ignoreError);
+        try {
+            return cbsClient.get(getConfigRequest) //
+                .onErrorResume(this::ignoreErrorMono);
+        } catch (Exception e) {
+            return ignoreErrorMono(e);
+        }
     }
 
-    private <R> Mono<R> ignoreError(Throwable throwable) {
+    private <R> Flux<R> ignoreErrorFlux(Throwable throwable) {
+        String errMsg = throwable.toString();
+        logger.warn("Could not refresh application configuration. {}", errMsg);
+        return Flux.empty();
+    }
+
+    private <R> Mono<R> ignoreErrorMono(Throwable throwable) {
         String errMsg = throwable.toString();
         logger.warn("Could not refresh application configuration. {}", errMsg);
         return Mono.empty();
@@ -173,7 +180,7 @@ public class RefreshConfigTask {
         try {
             ApplicationConfigParser parser = new ApplicationConfigParser();
             return Mono.just(parser.parse(jsonObject));
-        } catch (ServiceException e) {
+        } catch (Exception e) {
             String str = e.toString();
             logger.error("Could not parse configuration {}", str);
             return Mono.empty();
@@ -184,8 +191,7 @@ public class RefreshConfigTask {
         return this.appConfig.setConfiguration(config);
     }
 
-    boolean configFileExists() {
-        String filepath = appConfig.getLocalConfigurationFilePath();
+    boolean fileExists(String filepath) {
         return (filepath != null && (new File(filepath).exists()));
     }
 
@@ -227,6 +233,10 @@ public class RefreshConfigTask {
      */
     Flux<JsonObject> loadConfigurationFromFile() {
         String filepath = appConfig.getLocalConfigurationFilePath();
+        if (!fileExists(filepath)) {
+            return Flux.empty();
+        }
+
         GsonBuilder gsonBuilder = new GsonBuilder();
         ServiceLoader.load(TypeAdapterFactory.class).forEach(gsonBuilder::registerTypeAdapterFactory);
 
@@ -236,7 +246,7 @@ public class RefreshConfigTask {
             appParser.parse(rootObject);
             logger.debug("Local configuration file loaded: {}", filepath);
             return Flux.just(rootObject);
-        } catch (Exception e) {
+        } catch (IOException | ServiceException e) {
             logger.error("Local configuration file not loaded: {}, {}", filepath, e.getMessage());
             return Flux.empty();
         }