Recovery handling
[nonrtric.git] / policy-agent / src / main / java / org / oransc / policyagent / tasks / StartupService.java
index 283e8ea..d2356ea 100644 (file)
@@ -22,21 +22,16 @@ package org.oransc.policyagent.tasks;
 
 import org.oransc.policyagent.clients.A1Client;
 import org.oransc.policyagent.configuration.ApplicationConfig;
-import org.oransc.policyagent.exceptions.ServiceException;
-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.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
-
 /**
  * Loads information about RealTime-RICs at startup.
  */
@@ -57,78 +52,29 @@ public class StartupService {
     @Autowired
     private A1Client a1Client;
 
-    StartupService(ApplicationConfig appConfig, Rics rics, PolicyTypes policyTypes, A1Client a1Client) {
+    @Autowired
+    private Policies policies;
+
+    StartupService(ApplicationConfig appConfig, Rics rics, PolicyTypes policyTypes, A1Client a1Client,
+        Policies policies) {
         this.applicationConfig = appConfig;
         this.rics = rics;
         this.policyTypes = policyTypes;
         this.a1Client = a1Client;
+        this.policies = policies;
     }
 
     /**
      * Reads the configured Rics and performs the service discovery. The result is put into the repository.
      */
     public void startup() {
+        logger.debug("Starting up");
         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) //
-            .doOnNext(rics::put) //
-            .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((policyTypeId) -> addTypeToRepo(ric, policyTypeId)) //
-            .flatMap(type -> addTypeToRic(ric, type)) //
-            .subscribe(null, cause -> setRicToNotReachable(ric, cause), () -> setRicToActive(ric));
-        return Mono.just(ric);
-    }
-
-    private Mono<PolicyType> addTypeToRepo(Ric ric, String policyTypeId) {
-        if (policyTypes.contains(policyTypeId)) {
-            try {
-                return Mono.just(policyTypes.getType(policyTypeId));
-            } catch (ServiceException e) {
-                return Mono.error(e);
-            }
+        for (RicConfig ricConfig : applicationConfig.getRicConfigs()) {
+            rics.put(new Ric(ricConfig));
         }
-        return a1Client.getPolicyType(ric.getConfig().baseUrl(), policyTypeId) //
-            .flatMap(schema -> createPolicyType(policyTypeId, schema));
-    }
-
-    private Mono<PolicyType> createPolicyType(String policyTypeId, String schema) {
-        PolicyType pt = ImmutablePolicyType.builder().name(policyTypeId).schema(schema).build();
-        policyTypes.put(pt);
-        return Mono.just(pt);
-    }
-
-    private Mono<PolicyType> addTypeToRic(Ric ric, PolicyType policyType) {
-        ric.addSupportedPolicyType(policyType);
-        return Mono.just(policyType);
-    }
-
-    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);
-    }
-
-    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);
+        RicRecoveryTask recoveryTask = new RicRecoveryTask(a1Client, policyTypes, policies);
+        recoveryTask.run(rics.getRics()); // recover all Rics
     }
 
 }