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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.config.provision.ClusterSpec;
import com.yahoo.documentmodel.NewDocumentType;
import com.yahoo.vespa.model.application.validation.Validation.ChangeContext;
import com.yahoo.vespa.model.content.cluster.ContentCluster;
import java.util.Map;
/**
* Class that adds a validation failure if global attribute changes for a document
* type in a content cluster unless corresponding override is present.
*/
public class GlobalDocumentChangeValidator implements ChangeValidator {
@Override
public void validate(ChangeContext context) {
for (Map.Entry<String, ContentCluster> currentEntry : context.previousModel().getContentClusters().entrySet()) {
ContentCluster nextCluster = context.model().getContentClusters().get(currentEntry.getKey());
if (nextCluster == null) continue;
validateContentCluster(context, currentEntry.getValue(), nextCluster);
}
}
private void validateContentCluster(ChangeContext context, ContentCluster currentCluster, ContentCluster nextCluster) {
String clusterName = currentCluster.getName();
currentCluster.getDocumentDefinitions().forEach((documentTypeName, currentDocumentType) -> {
NewDocumentType nextDocumentType = nextCluster.getDocumentDefinitions().get(documentTypeName);
if (nextDocumentType != null) {
boolean currentIsGlobal = currentCluster.isGloballyDistributed(currentDocumentType);
boolean nextIsGlobal = nextCluster.isGloballyDistributed(nextDocumentType);
if (currentIsGlobal != nextIsGlobal) {
String reason = "Document type %s in cluster %s changed global from %s to %s. ".formatted(documentTypeName, clusterName, currentIsGlobal, nextIsGlobal) +
"To handle this change, first stop services on all content nodes. Then, deploy with validation override. Finally, start services on all content nodes";
if ( ! context.deployState().validationOverrides().allows(ValidationId.globalDocumentChange, context.deployState().now()))
context.invalid(ValidationId.globalDocumentChange, reason);
else if (context.deployState().isHosted())
context.require(new VespaRestartAction(ClusterSpec.Id.from(clusterName), reason));
}
}
});
}
}
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