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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.athenz.instanceproviderservice.identitydocument;
import com.google.inject.Inject;
import com.yahoo.config.provision.Zone;
import com.yahoo.net.HostName;
import com.yahoo.vespa.athenz.api.AthenzService;
import com.yahoo.vespa.athenz.identityprovider.api.IdentityType;
import com.yahoo.vespa.athenz.identityprovider.api.SignedIdentityDocument;
import com.yahoo.vespa.athenz.identityprovider.api.VespaUniqueInstanceId;
import com.yahoo.vespa.athenz.identityprovider.client.IdentityDocumentSigner;
import com.yahoo.vespa.hosted.athenz.instanceproviderservice.KeyProvider;
import com.yahoo.vespa.hosted.athenz.instanceproviderservice.config.AthenzProviderServiceConfig;
import com.yahoo.vespa.hosted.athenz.instanceproviderservice.impl.Utils;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import com.yahoo.vespa.hosted.provision.node.Allocation;
import java.security.PrivateKey;
import java.time.Instant;
import java.util.HashSet;
import java.util.Set;
/**
* Generates a signed identity document for a given hostname and type
*
* @author mortent
* @author bjorncs
*/
public class IdentityDocumentGenerator {
private final IdentityDocumentSigner signer = new IdentityDocumentSigner();
private final NodeRepository nodeRepository;
private final Zone zone;
private final KeyProvider keyProvider;
private final AthenzProviderServiceConfig.Zones zoneConfig;
@Inject
public IdentityDocumentGenerator(AthenzProviderServiceConfig config,
NodeRepository nodeRepository,
Zone zone,
KeyProvider keyProvider) {
this.zoneConfig = Utils.getZoneConfig(config, zone);
this.nodeRepository = nodeRepository;
this.zone = zone;
this.keyProvider = keyProvider;
}
public SignedIdentityDocument generateSignedIdentityDocument(String hostname, IdentityType identityType) {
try {
Node node = nodeRepository.getNode(hostname).orElseThrow(() -> new RuntimeException("Unable to find node " + hostname));
Allocation allocation = node.allocation().orElseThrow(() -> new RuntimeException("No allocation for node " + node.hostname()));
VespaUniqueInstanceId providerUniqueId = new VespaUniqueInstanceId(
allocation.membership().index(),
allocation.membership().cluster().id().value(),
allocation.owner().instance().value(),
allocation.owner().application().value(),
allocation.owner().tenant().value(),
zone.region().value(),
zone.environment().value(),
identityType);
Set<String> ips = new HashSet<>(node.ipAddresses());
PrivateKey privateKey = keyProvider.getPrivateKey(zoneConfig.secretVersion());
AthenzService providerService = new AthenzService(zoneConfig.domain(), zoneConfig.serviceName());
String configServerHostname = HostName.getLocalhost();
Instant createdAt = Instant.now();
String signature = signer.generateSignature(
providerUniqueId, providerService, configServerHostname,
node.hostname(), createdAt, ips, identityType, privateKey);
return new SignedIdentityDocument(
signature,
SignedIdentityDocument.DEFAULT_KEY_VERSION,
providerUniqueId,
providerService,
SignedIdentityDocument.DEFAULT_DOCUMENT_VERSION,
configServerHostname,
node.hostname(),
createdAt,
ips,
identityType);
} catch (Exception e) {
throw new RuntimeException("Exception generating identity document: " + e.getMessage(), e);
}
}
private static String toZoneDnsSuffix(Zone zone, String dnsSuffix) {
return zone.environment().value() + "-" + zone.region().value() + "." + dnsSuffix;
}
}
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