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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.lb;
import ai.vespa.http.DomainName;
import com.google.common.collect.ImmutableSet;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.EndpointsChecker.Availability;
import com.yahoo.config.provision.EndpointsChecker.Endpoint;
import com.yahoo.config.provision.NodeType;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import static java.util.Objects.requireNonNull;
import static java.util.stream.Collectors.toMap;
/**
* @author mpolden
*/
public class LoadBalancerServiceMock implements LoadBalancerService {
private record Key(ApplicationId application, ClusterSpec.Id cluster, String idSeed) {
@Override public int hashCode() { return idSeed.hashCode(); }
@Override public boolean equals(Object o) {
if (o == this) return true;
if ( ! (o instanceof Key key)) return false;
return Objects.equals(idSeed, key.idSeed);
}
}
private final Map<Key, LoadBalancerInstance> instances = new HashMap<>();
private boolean throwOnCreate = false;
private boolean supportsProvisioning = true;
public Map<LoadBalancerId, LoadBalancerInstance> instances() {
return instances.entrySet().stream().collect(toMap(e -> new LoadBalancerId(e.getKey().application, e.getKey().cluster),
Map.Entry::getValue));
}
public LoadBalancerServiceMock throwOnCreate(boolean throwOnCreate) {
this.throwOnCreate = throwOnCreate;
return this;
}
public LoadBalancerServiceMock supportsProvisioning(boolean supportsProvisioning) {
this.supportsProvisioning = supportsProvisioning;
return this;
}
@Override
public boolean supports(NodeType nodeType, ClusterSpec.Type clusterType) {
if (!supportsProvisioning) return false;
return (nodeType == NodeType.tenant && clusterType.isContainer()) ||
nodeType.isConfigServerLike();
}
@Override
public Protocol protocol(boolean enclave) {
return Protocol.ipv4;
}
@Override
public LoadBalancerInstance provision(LoadBalancerSpec spec) {
if (throwOnCreate) throw new IllegalStateException("Did not expect a new load balancer to be created");
var instance = new LoadBalancerInstance(
Optional.of(DomainName.of("lb-" + spec.application().toShortString().replaceAll("_", "--") + "-" + spec.cluster().value())),
Optional.empty(),
Optional.empty(),
Optional.of(new DnsZone("zone-id-1")),
Collections.singleton(4443),
ImmutableSet.of("10.2.3.0/24", "10.4.5.0/24"),
spec.reals(),
spec.settings(),
spec.settings().isPrivateEndpoint() ? List.of(PrivateServiceId.of("service")) : List.of(),
spec.cloudAccount());
instances.put(new Key(spec.application(), spec.cluster(), spec.idSeed()), instance);
return instance;
}
@Override
public LoadBalancerInstance configure(LoadBalancerInstance instance, LoadBalancerSpec spec, boolean force) {
var id = new Key(spec.application(), spec.cluster(), spec.idSeed());
var oldInstance = requireNonNull(instances.get(id), "expected existing load balancer " + id);
if (!force && !oldInstance.reals().isEmpty() && spec.reals().isEmpty()) {
throw new IllegalArgumentException("Refusing to remove all reals from load balancer " + id);
}
var updated = instance.with(spec.reals(),
spec.settings(),
spec.settings().isPrivateEndpoint() ? Optional.of(PrivateServiceId.of("service")) : Optional.empty());
instances.put(id, updated);
return updated;
}
@Override
public void reallocate(LoadBalancerSpec spec) {
instances.put(new Key(spec.application(), spec.cluster(), spec.idSeed()),
requireNonNull(instances.remove(new Key(null, null, spec.idSeed())))); // ᕙ༼◕_◕༽ᕤ
}
@Override
public void remove(LoadBalancer loadBalancer) {
requireNonNull(instances.remove(new Key(loadBalancer.id().application(),
loadBalancer.id().cluster(),
loadBalancer.idSeed())),
"expected load balancer to exist: " + loadBalancer.id());
}
@Override
public Availability healthy(Endpoint endpoint, String idSeed) {
return Availability.ready;
}
}
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