package org.oransc.policyagent.tasks;
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-
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.repository.PolicyTypes;
@Service("startupService")
public class StartupService {
- private static Gson gson = new GsonBuilder() //
- .serializeNulls() //
- .create(); //
-
private static final Logger logger = LoggerFactory.getLogger(StartupService.class);
@Autowired
applicationConfig.initialize();
Flux.fromIterable(applicationConfig.getRicConfigs()) //
.map(ricConfig -> new Ric(ricConfig)) //
- .doOnNext(ric -> logger.debug("Handling ric: {}", ric.getConfig().name())).flatMap(this::handlePolicyTypes)
- .flatMap(this::setRicToActive) //
- .flatMap(this::addRicToRepo) //
+ .doOnNext(ric -> logger.debug("Handling ric: {}", ric.getConfig().name())) //
+ .flatMap(this::addPolicyTypesForRic) //
+ .flatMap(this::deletePoliciesForRic) //
+ .doOnNext(rics::put) //
.subscribe();
}
- private Mono<Ric> handlePolicyTypes(Ric ric) {
- a1Client.getAllPolicyTypes(ric.getConfig().baseUrl()) //
- .map(policyTypeString -> gson.fromJson(policyTypeString, ImmutablePolicyType.class)) //
- .doOnNext(type -> logger.debug("For ric: {}, handling type: {}", ric.getConfig().name(), type.name()))
- .flatMap(this::addTypeToRepo) //
+ 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)) //
- .flatMap(type -> deletePoliciesForType(ric, type)) //
- .subscribe();
+ .subscribe(null, cause -> setRicToNotReachable(ric, cause), () -> setRicToActive(ric));
return Mono.just(ric);
}
- private Mono<PolicyType> addTypeToRepo(PolicyType policyType) {
- if (!policyTypes.contains(policyType)) {
- policyTypes.put(policyType);
+ 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);
+ }
}
- return Mono.just(policyType);
+ 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) {
return Mono.just(policyType);
}
- private Mono<Void> deletePoliciesForType(Ric ric, PolicyType policyType) {
- a1Client.getPoliciesForType(ric.getConfig().baseUrl(), policyType.name()) //
- .doOnNext(policyId -> logger.debug("deleting policy: {}, for ric: {}", policyId, ric.getConfig().name())) //
- .flatMap(policyId -> a1Client.deletePolicy(ric.getConfig().baseUrl(), policyId)) //
- .subscribe();
-
- return Mono.empty();
- }
-
- private Mono<Ric> setRicToActive(Ric ric) {
- ric.setState(RicState.ACTIVE);
+ 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 Mono<Void> addRicToRepo(Ric ric) {
- rics.put(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());
+ }
- return Mono.empty();
+ private void setRicToActive(Ric ric) {
+ ric.setState(RicState.ACTIVE);
}
+
}