package org.oransc.policyagent.tasks;
-import java.util.Vector;
-
-import org.oransc.policyagent.clients.RicClient;
+import org.oransc.policyagent.clients.A1Client;
import org.oransc.policyagent.configuration.ApplicationConfig;
-import org.oransc.policyagent.configuration.RicConfig;
+import org.oransc.policyagent.repository.ImmutablePolicyType;
import org.oransc.policyagent.repository.PolicyType;
import org.oransc.policyagent.repository.PolicyTypes;
import org.oransc.policyagent.repository.Ric;
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.
*/
PolicyTypes policyTypes;
@Autowired
- private RicClient ricClient;
+ private A1Client a1Client;
- StartupService(ApplicationConfig appConfig, Rics rics, PolicyTypes policyTypes, RicClient ricClient) {
+ StartupService(ApplicationConfig appConfig, Rics rics, PolicyTypes policyTypes, A1Client a1Client) {
this.applicationConfig = appConfig;
this.rics = rics;
this.policyTypes = policyTypes;
- this.ricClient = ricClient;
+ this.a1Client = a1Client;
}
/**
*/
public void startup() {
applicationConfig.initialize();
- Vector<RicConfig> ricConfigs = applicationConfig.getRicConfigs();
- for (RicConfig ricConfig : ricConfigs) {
- Ric ric = new Ric(ricConfig);
- String baseUrl = ricConfig.baseUrl();
- ricClient.deleteAllPolicies(baseUrl);
- Vector<PolicyType> types = ricClient.getPolicyTypes(baseUrl);
- for (PolicyType policyType : types) {
- if (!policyTypes.contains(policyType)) {
- policyTypes.put(policyType);
- }
- }
- ric.addSupportedPolicyTypes(types);
- ric.setState(RicState.ACTIVE);
- rics.put(ric);
+ 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);
+ }
+
+ 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();
+ }
}