Move RefreshConfigTask under tasks

[nonrtric.git] / policy-agent / src / main / java / org / oransc / policyagent / tasks / StartupService.java

diff --git a/policy-agent/src/main/java/org/oransc/policyagent/tasks/StartupService.java b/policy-agent/src/main/java/org/oransc/policyagent/tasks/StartupService.java
index 8bfa81e..46587a2 100644 (file)
--- a/policy-agent/src/main/java/org/oransc/policyagent/tasks/StartupService.java
+++ b/policy-agent/src/main/java/org/oransc/policyagent/tasks/StartupService.java
@@ -22,30 +22,34 @@ package org.oransc.policyagent.tasks;
 
 import org.oransc.policyagent.clients.A1Client;
 import org.oransc.policyagent.configuration.ApplicationConfig;
-import org.oransc.policyagent.repository.ImmutablePolicyType;
-import org.oransc.policyagent.repository.PolicyType;
+import org.oransc.policyagent.configuration.RicConfig;
+import org.oransc.policyagent.repository.Policies;
 import org.oransc.policyagent.repository.PolicyTypes;
 import org.oransc.policyagent.repository.Ric;
-import org.oransc.policyagent.repository.Ric.RicState;
 import org.oransc.policyagent.repository.Rics;
+import org.oransc.policyagent.repository.Services;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
 import org.springframework.stereotype.Service;
-import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
 
 /**
  * Loads information about RealTime-RICs at startup.
  */
 @Service("startupService")
-public class StartupService {
+@Order(Ordered.HIGHEST_PRECEDENCE)
+public class StartupService implements ApplicationConfig.Observer {
 
     private static final Logger logger = LoggerFactory.getLogger(StartupService.class);
 
     @Autowired
     ApplicationConfig applicationConfig;
 
+    @Autowired
+    RefreshConfigTask refreshConfigTask;
+
     @Autowired
     private Rics rics;
 
@@ -55,73 +59,48 @@ public class StartupService {
     @Autowired
     private A1Client a1Client;
 
-    StartupService(ApplicationConfig appConfig, Rics rics, PolicyTypes policyTypes, A1Client a1Client) {
+    @Autowired
+    private Policies policies;
+
+    @Autowired
+    private Services services;
+
+    // Only for unittesting
+    StartupService(ApplicationConfig appConfig, RefreshConfigTask refreshTask, Rics rics, PolicyTypes policyTypes,
+        A1Client a1Client, Policies policies, Services services) {
         this.applicationConfig = appConfig;
+        this.refreshConfigTask = refreshTask;
         this.rics = rics;
         this.policyTypes = policyTypes;
         this.a1Client = a1Client;
+        this.policies = policies;
+        this.services = services;
+    }
+
+    @Override
+    public void onRicConfigUpdate(RicConfig ricConfig, ApplicationConfig.RicConfigUpdate event) {
+        synchronized (this.rics) {
+            if (event.equals(ApplicationConfig.RicConfigUpdate.ADDED)
+                || event.equals(ApplicationConfig.RicConfigUpdate.CHANGED)) {
+                Ric ric = new Ric(ricConfig);
+                rics.put(ric);
+                RicRecoveryTask recoveryTask = new RicRecoveryTask(a1Client, policyTypes, policies, services);
+                recoveryTask.run(ric);
+            } else if (event.equals(ApplicationConfig.RicConfigUpdate.REMOVED)) {
+                rics.remove(ricConfig.name());
+            } else {
+                logger.debug("Unhandled event :" + event);
+            }
+        }
     }
 
     /**
      * Reads the configured Rics and performs the service discovery. The result is put into the repository.
      */
     public void startup() {
-        applicationConfig.initialize();
-        Flux.fromIterable(applicationConfig.getRicConfigs()) //
-            .map(ricConfig -> new Ric(ricConfig)) //
-            .doOnNext(ric -> logger.debug("Handling ric: {}", ric.getConfig().name())) //
-            .flatMap(this::addPolicyTypesForRic) //
-            .flatMap(this::deletePoliciesForRic) //
-            .flatMap(this::addRicToRepo) //
-            .subscribe();
-    }
-
-    private Mono<Ric> addPolicyTypesForRic(Ric ric) {
-        a1Client.getPolicyTypeIdentities(ric.getConfig().baseUrl()) //
-            .doOnNext(typeId -> logger.debug("For ric: {}, handling type: {}", ric.getConfig().name(), typeId))
-            .flatMap(this::addTypeToRepo) //
-            .flatMap(type -> addTypeToRic(ric, type)) //
-            .subscribe(null, cause -> setRicToNotReachable(ric, cause), () -> setRicToActive(ric));
-        return Mono.just(ric);
-    }
-
-    private Mono<PolicyType> addTypeToRepo(String policyTypeId) {
-        ImmutablePolicyType type = ImmutablePolicyType.builder().name(policyTypeId).build();
-        if (!policyTypes.contains(policyTypeId)) {
-            policyTypes.put(type);
-        }
-        return Mono.just(type);
-    }
-
-    private Mono<Void> addTypeToRic(Ric ric, PolicyType policyType) {
-        ric.addSupportedPolicyType(policyType);
-        return Mono.empty();
-    }
-
-    private Mono<Ric> deletePoliciesForRic(Ric ric) {
-        if (!Ric.RicState.NOT_REACHABLE.equals(ric.state())) {
-            a1Client.getPolicyIdentities(ric.getConfig().baseUrl()) //
-                .doOnNext(
-                    policyId -> logger.debug("Deleting policy: {}, for ric: {}", policyId, ric.getConfig().name()))
-                .flatMap(policyId -> a1Client.deletePolicy(ric.getConfig().baseUrl(), policyId)) //
-                .subscribe(null, cause -> setRicToNotReachable(ric, cause), null);
-        }
-
-        return Mono.just(ric);
+        logger.debug("Starting up");
+        applicationConfig.addObserver(this);
+        refreshConfigTask.start();
     }
 
-    private void setRicToNotReachable(Ric ric, Throwable t) {
-        ric.setState(Ric.RicState.NOT_REACHABLE);
-        logger.info("Unable to connect to ric {}. Cause: {}", ric.name(), t.getMessage());
-    }
-
-    private void setRicToActive(Ric ric) {
-        ric.setState(RicState.ACTIVE);
-    }
-
-    private Mono<Void> addRicToRepo(Ric ric) {
-        rics.put(ric);
-
-        return Mono.empty();
-    }
 }