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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.config.server.session;
import com.yahoo.component.Version;
import com.yahoo.config.FileReference;
import com.yahoo.config.model.api.Quota;
import com.yahoo.config.model.api.TenantSecretStore;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.AthenzDomain;
import com.yahoo.config.provision.CloudAccount;
import com.yahoo.config.provision.DataplaneToken;
import com.yahoo.config.provision.DockerImage;
import com.yahoo.vespa.flags.BooleanFlag;
import com.yahoo.yolean.Exceptions;
import java.security.cert.X509Certificate;
import java.time.Instant;
import java.util.List;
import java.util.Optional;
import java.util.logging.Logger;
import static java.util.logging.Level.WARNING;
/**
* Serialization and deserialization of session data to/from ZooKeeper.
* @author hmusum
*/
public class SessionSerializer {
private static final Logger log = Logger.getLogger(SessionSerializer.class.getName());
void write(SessionZooKeeperClient zooKeeperClient, ApplicationId applicationId,
Instant created, Optional<FileReference> fileReference, Optional<DockerImage> dockerImageRepository,
Version vespaVersion, Optional<AthenzDomain> athenzDomain, Optional<Quota> quota,
List<TenantSecretStore> tenantSecretStores, List<X509Certificate> operatorCertificates,
Optional<CloudAccount> cloudAccount, List<DataplaneToken> dataplaneTokens,
BooleanFlag writeSessionData) {
zooKeeperClient.writeApplicationId(applicationId);
zooKeeperClient.writeApplicationPackageReference(fileReference);
zooKeeperClient.writeVespaVersion(vespaVersion);
zooKeeperClient.writeDockerImageRepository(dockerImageRepository);
zooKeeperClient.writeAthenzDomain(athenzDomain);
zooKeeperClient.writeQuota(quota);
zooKeeperClient.writeTenantSecretStores(tenantSecretStores);
zooKeeperClient.writeOperatorCertificates(operatorCertificates);
zooKeeperClient.writeCloudAccount(cloudAccount);
zooKeeperClient.writeDataplaneTokens(dataplaneTokens);
if (writeSessionData.value())
zooKeeperClient.writeSessionData(new SessionData(applicationId,
fileReference,
vespaVersion,
created,
dockerImageRepository,
athenzDomain,
quota,
tenantSecretStores,
operatorCertificates,
cloudAccount,
dataplaneTokens));
}
SessionData read(SessionZooKeeperClient zooKeeperClient, BooleanFlag readSessionData) {
if (readSessionData.value() && zooKeeperClient.sessionDataExists())
try {
return zooKeeperClient.readSessionData();
} catch (Exception e) {
log.log(WARNING, "Unable to read session data for session " + zooKeeperClient.sessionId() +
": " + Exceptions.toMessageString(e));
}
return readSessionDataFromLegacyPaths(zooKeeperClient);
}
private static SessionData readSessionDataFromLegacyPaths(SessionZooKeeperClient zooKeeperClient) {
return new SessionData(zooKeeperClient.readApplicationId(),
zooKeeperClient.readApplicationPackageReference(),
zooKeeperClient.readVespaVersion(),
zooKeeperClient.readCreateTime(),
zooKeeperClient.readDockerImageRepository(),
zooKeeperClient.readAthenzDomain(),
zooKeeperClient.readQuota(),
zooKeeperClient.readTenantSecretStores(),
zooKeeperClient.readOperatorCertificates(),
zooKeeperClient.readCloudAccount(),
zooKeeperClient.readDataplaneTokens());
}
}
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