package org.oransc.policyagent.tasks;
+import java.util.Collection;
+
import org.oransc.policyagent.clients.A1Client;
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;
private final Rics rics;
private final Policies policies;
+ private final PolicyTypes policyTypes;
private final A1Client a1Client;
+ private final Services services;
@Autowired
- public RepositorySupervision(Rics rics, Policies policies, A1Client a1Client) {
+ public RepositorySupervision(Rics rics, Policies policies, A1Client a1Client, PolicyTypes policyTypes,
+ Services services) {
this.rics = rics;
this.policies = policies;
this.a1Client = a1Client;
+ this.policyTypes = policyTypes;
+ this.services = services;
}
/**
public void checkAllRics() {
logger.debug("Checking Rics starting");
createTask().subscribe(this::onRicChecked, this::onError, this::onComplete);
-
}
private Flux<Ric> createTask() {
- return Flux.fromIterable(rics.getRics()) //
- .groupBy(ric -> ric.state()) //
- .flatMap(fluxGroup -> handleGroup(fluxGroup.key(), fluxGroup));
+ synchronized (this.rics) {
+ return Flux.fromIterable(rics.getRics()) //
+ .flatMap(ric -> checkRicState(ric)) //
+ .flatMap(ric -> checkRicPolicies(ric)) //
+ .flatMap(ric -> checkRicPolicyTypes(ric));
+ }
}
- private Flux<Ric> handleGroup(Ric.RicState key, Flux<Ric> fluxGroup) {
- logger.debug("Handling group {}", key);
- switch (key) {
- case ACTIVE:
- return fluxGroup.flatMap(this::checkActive);
+ private Mono<Ric> checkRicState(Ric ric) {
+ if (ric.state() == RicState.UNDEFINED) {
+ return startRecovery(ric);
+ } else if (ric.state() == RicState.RECOVERING) {
+ return Mono.empty();
+ } else {
+ return Mono.just(ric);
+ }
+ }
- case NOT_REACHABLE:
- return fluxGroup.flatMap(this::checkNotReachable);
+ private Mono<Ric> checkRicPolicies(Ric ric) {
+ return a1Client.getPolicyIdentities(ric.getConfig().baseUrl()) //
+ .onErrorResume(t -> Mono.empty()) //
+ .flatMap(ricP -> validateInstances(ricP, ric));
+ }
- default:
- // If not initiated, leave it to the StartupService.
- return Flux.empty();
+ private Mono<Ric> validateInstances(Collection<String> ricPolicies, Ric ric) {
+ synchronized (this.policies) {
+ if (ricPolicies.size() != policies.getForRic(ric.name()).size()) {
+ return startRecovery(ric);
+ }
+ }
+ for (String policyId : ricPolicies) {
+ if (!policies.containsPolicy(policyId)) {
+ return startRecovery(ric);
+ }
}
+ return Mono.just(ric);
}
- private Mono<Ric> checkActive(Ric ric) {
- logger.debug("Handling active ric {}", ric);
- a1Client.getPolicyIdentities(ric.getConfig().baseUrl()) //
- .filter(policyId -> !policies.containsPolicy(policyId)) //
- .doOnNext(policyId -> logger.debug("Deleting policy {}", policyId))
- .flatMap(policyId -> a1Client.deletePolicy(ric.getConfig().baseUrl(), policyId)) //
- .subscribe();
- return Mono.just(ric);
+ private Mono<Ric> checkRicPolicyTypes(Ric ric) {
+ return a1Client.getPolicyTypeIdentities(ric.getConfig().baseUrl()) //
+ .onErrorResume(t -> {
+ return Mono.empty();
+ }) //
+ .flatMap(ricTypes -> validateTypes(ricTypes, ric));
}
- private Mono<Ric> checkNotReachable(Ric ric) {
- logger.debug("Handling not reachable ric {}", ric);
- a1Client.getPolicyIdentities(ric.getConfig().baseUrl()) //
- .filter(policyId -> !policies.containsPolicy(policyId)) //
- .doOnNext(policyId -> logger.debug("Deleting policy {}", policyId))
- .flatMap(policyId -> a1Client.deletePolicy(ric.getConfig().baseUrl(), policyId)) //
- .subscribe(null, null, () -> ric.setState(RicState.ACTIVE));
+ private Mono<Ric> validateTypes(Collection<String> ricTypes, Ric ric) {
+ if (ricTypes.size() != ric.getSupportedPolicyTypes().size()) {
+ return startRecovery(ric);
+ }
+ for (String typeName : ricTypes) {
+ if (!ric.isSupportingType(typeName)) {
+ return startRecovery(ric);
+ }
+ }
return Mono.just(ric);
}
+ private Mono<Ric> startRecovery(Ric ric) {
+ RicRecoveryTask recovery = new RicRecoveryTask(a1Client, policyTypes, policies, services);
+ recovery.run(ric);
+ return Mono.empty();
+ }
+
private void onRicChecked(Ric ric) {
logger.info("Ric: " + ric.name() + " checked");
}