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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.routing;
import ai.vespa.http.DomainName;
import com.google.common.collect.ImmutableSortedSet;
import com.yahoo.vespa.hosted.controller.api.identifiers.DeploymentId;
import com.yahoo.vespa.hosted.controller.application.EndpointId;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
/**
* Represents the DNS routing policy for a {@link com.yahoo.vespa.hosted.controller.application.Deployment}.
*
* @author mortent
* @author mpolden
*/
public record RoutingPolicy(RoutingPolicyId id,
Optional<DomainName> canonicalName,
Optional<String> ipAddress,
Optional<String> dnsZone,
Set<EndpointId> instanceEndpoints,
Set<EndpointId> applicationEndpoints,
RoutingStatus routingStatus,
boolean isPublic,
GeneratedEndpointList generatedEndpoints) {
/** DO NOT USE. Public for serialization purposes */
public RoutingPolicy(RoutingPolicyId id, Optional<DomainName> canonicalName, Optional<String> ipAddress, Optional<String> dnsZone,
Set<EndpointId> instanceEndpoints, Set<EndpointId> applicationEndpoints, RoutingStatus routingStatus, boolean isPublic,
GeneratedEndpointList generatedEndpoints) {
this.id = Objects.requireNonNull(id, "id must be non-null");
this.canonicalName = Objects.requireNonNull(canonicalName, "canonicalName must be non-null");
this.ipAddress = Objects.requireNonNull(ipAddress, "ipAddress must be non-null");
this.dnsZone = Objects.requireNonNull(dnsZone, "dnsZone must be non-null");
this.instanceEndpoints = ImmutableSortedSet.copyOf(Objects.requireNonNull(instanceEndpoints, "instanceEndpoints must be non-null"));
this.applicationEndpoints = ImmutableSortedSet.copyOf(Objects.requireNonNull(applicationEndpoints, "applicationEndpoints must be non-null"));
this.routingStatus = Objects.requireNonNull(routingStatus, "status must be non-null");
this.isPublic = isPublic;
this.generatedEndpoints = Objects.requireNonNull(generatedEndpoints, "generatedEndpoints must be non-null");
if (canonicalName.isEmpty() == ipAddress.isEmpty())
throw new IllegalArgumentException("Exactly 1 of canonicalName=%s and ipAddress=%s must be set".formatted(
canonicalName.map(DomainName::value).orElse("<empty>"), ipAddress.orElse("<empty>")));
if ( ! instanceEndpoints.isEmpty() && ! isPublic)
throw new IllegalArgumentException("Non-public zone endpoint cannot be part of any global endpoint, but was in: " + instanceEndpoints);
if ( ! applicationEndpoints.isEmpty() && ! isPublic)
throw new IllegalArgumentException("Non-public zone endpoint cannot be part of any application endpoint, but was in: " + applicationEndpoints);
}
/** The ID of this */
public RoutingPolicyId id() {
return id;
}
/** The canonical name for the load balancer this applies to (rhs of a CNAME or ALIAS record) */
public Optional<DomainName> canonicalName() {
return canonicalName;
}
/** The IP address for the load balancer this applies to (rhs of an A or DIRECT record) */
public Optional<String> ipAddress() {
return ipAddress;
}
/** DNS zone for the load balancer this applies to, if any. Used when creating ALIAS records. */
public Optional<String> dnsZone() {
return dnsZone;
}
/** The instance-level endpoints this participates in */
public Set<EndpointId> instanceEndpoints() {
return instanceEndpoints;
}
/** The application-level endpoints this participates in */
public Set<EndpointId> applicationEndpoints() {
return applicationEndpoints;
}
/** The endpoints generated for this policy, if any */
public GeneratedEndpointList generatedEndpoints() {
return generatedEndpoints;
}
/** Return status of routing */
public RoutingStatus routingStatus() {
return routingStatus;
}
/** Returns whether this has a load balancer which is available from public internet. */
public boolean isPublic() {
return isPublic;
}
/** Returns whether this policy applies to given deployment */
public boolean appliesTo(DeploymentId deployment) {
return id.owner().equals(deployment.applicationId()) &&
id.zone().equals(deployment.zoneId());
}
/** Returns a copy of this with routing status set to given status */
public RoutingPolicy with(RoutingStatus routingStatus) {
return new RoutingPolicy(id, canonicalName, ipAddress, dnsZone, instanceEndpoints, applicationEndpoints, routingStatus, isPublic, generatedEndpoints);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RoutingPolicy that = (RoutingPolicy) o;
return id.equals(that.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
}
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