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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.model.application.validation.change;
import com.yahoo.config.application.api.ValidationId;
import com.yahoo.vespa.model.application.validation.Validation.ChangeContext;
import com.yahoo.vespa.model.container.http.Client;
import java.security.cert.X509Certificate;
import java.util.Collection;
import java.util.List;
import java.util.function.BiConsumer;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
/**
* Check that data plane certificates are not removed from a cluster.
*
* @author mortent
*/
public class CertificateRemovalChangeValidator implements ChangeValidator {
private static final Logger logger = Logger.getLogger(CertificateRemovalChangeValidator.class.getName());
@Override
public void validate(ChangeContext context) {
// Skip for tester applications
if (context.previousModel().applicationPackage().getApplicationId().instance().isTester()) return;
context.previousModel().getContainerClusters()
.forEach((clusterId, currentCluster) -> {
if(context.model().getContainerClusters().containsKey(clusterId))
validateClients(clusterId,
currentCluster.getClients(),
context.model().getContainerClusters().get(clusterId).getClients(),
context::invalid);
});
}
void validateClients(String clusterId, List<Client> current, List<Client> next, BiConsumer<ValidationId, String> reporter) {
List<X509Certificate> currentCertificates = current.stream()
.filter(client -> !client.internal())
.map(Client::certificates)
.flatMap(Collection::stream)
.toList();
List<X509Certificate> nextCertificates = next.stream()
.filter(client -> !client.internal())
.map(Client::certificates)
.flatMap(Collection::stream)
.toList();
logger.log(Level.FINE, "Certificates for cluster %s: Current: [%s], Next: [%s]"
.formatted(clusterId,
currentCertificates.stream().map(cert -> cert.getSubjectX500Principal().getName()).collect(Collectors.joining(", ")),
nextCertificates.stream().map(cert -> cert.getSubjectX500Principal().getName()).collect(Collectors.joining(", "))));
List<X509Certificate> missingCerts = currentCertificates.stream().filter(cert -> !nextCertificates.contains(cert)).toList();
if (!missingCerts.isEmpty()) {
reporter.accept(ValidationId.certificateRemoval,
"Data plane certificate(s) from cluster '" + clusterId + "' is removed " +
"(removed certificates: " + missingCerts.stream().map(x509Certificate -> x509Certificate.getSubjectX500Principal().getName()).toList() + ") " +
"This can cause client connection issues.");
}
}
}
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