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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.model.api.ConfigChangeAction;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.documentmodel.NewDocumentType;
import com.yahoo.vespa.model.VespaModel;
import com.yahoo.vespa.model.content.cluster.ContentCluster;
import java.util.List;
import java.util.Map;
/**
* Class that fails via exception if global attribute changes for a document
* type in a content cluster unless corresponding override is present.
*/
public class GlobalDocumentChangeValidator implements ChangeValidator {
@Override
public List<ConfigChangeAction> validate(VespaModel currentModel, VespaModel nextModel, DeployState deployState) {
if (!deployState.validationOverrides().allows(ValidationId.globalDocumentChange.value(), deployState.now())) {
for (Map.Entry<String, ContentCluster> currentEntry : currentModel.getContentClusters().entrySet()) {
ContentCluster nextCluster = nextModel.getContentClusters().get(currentEntry.getKey());
if (nextCluster == null) continue;
validateContentCluster(currentEntry.getValue(), nextCluster);
}
}
return List.of();
}
private void validateContentCluster(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) {
throw new IllegalStateException(String.format("Document type %s in cluster %s changed global from %s to %s. " +
"Add validation override '%s' to force this change through. " +
"First, stop services on all content nodes. Then, deploy with validation override. Finally, start services on all content nodes.",
documentTypeName, clusterName, currentIsGlobal, nextIsGlobal, ValidationId.globalDocumentChange.value()));
}
}
});
}
}
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