package org.oransc.policyagent.tasks;
-import org.oransc.policyagent.clients.A1Client;
+import org.oransc.policyagent.clients.A1ClientFactory;
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.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;
PolicyTypes policyTypes;
@Autowired
- private A1Client a1Client;
+ private A1ClientFactory a1ClientFactory;
+
+ @Autowired
+ private Policies policies;
+
+ @Autowired
+ private Services services;
- StartupService(ApplicationConfig appConfig, Rics rics, PolicyTypes policyTypes, A1Client a1Client) {
+ // Only for unit testing
+ StartupService(ApplicationConfig appConfig, RefreshConfigTask refreshTask, Rics rics, PolicyTypes policyTypes,
+ A1ClientFactory a1ClientFactory, Policies policies, Services services) {
this.applicationConfig = appConfig;
+ this.refreshConfigTask = refreshTask;
this.rics = rics;
this.policyTypes = policyTypes;
- this.a1Client = a1Client;
- }
-
- /**
- * 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) //
- .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);
+ this.a1ClientFactory = a1ClientFactory;
+ this.policies = policies;
+ this.services = services;
}
- 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);
+ @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);
+ RicSynchronizationTask synchronizationTask =
+ new RicSynchronizationTask(a1ClientFactory, policyTypes, policies, services);
+ synchronizationTask.run(ric);
+ } else if (event.equals(ApplicationConfig.RicConfigUpdate.REMOVED)) {
+ rics.remove(ricConfig.name());
+ } else {
+ logger.debug("Unhandled event: {}", event);
}
}
- 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);
+ /**
+ * Reads the configured Rics and performs the service discovery. The result is put into the repository.
+ */
+ public void startup() {
+ logger.debug("Starting up");
+ applicationConfig.addObserver(this);
+ refreshConfigTask.start();
}
}