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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.model.application.validation.change;
import com.yahoo.config.application.api.ValidationId;
import com.yahoo.config.application.api.ValidationOverrides;
import com.yahoo.config.model.api.ConfigChangeAction;
import com.yahoo.config.model.api.ConfigChangeRefeedAction;
import com.yahoo.vespa.model.VespaModel;
import com.yahoo.vespa.model.application.validation.ValidationTester;
import com.yahoo.vespa.model.search.AbstractSearchCluster;
import com.yahoo.yolean.Exceptions;
import org.junit.Test;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author bratseth
*/
public class ClusterSizeReductionValidatorTest {
@Test
public void testSizeReductionValidation() throws IOException, SAXException {
ValidationTester tester = new ValidationTester(30);
VespaModel previous = tester.deploy(null, getServices(30), null).getFirst();
try {
tester.deploy(previous, getServices(14), null);
fail("Expected exception due to cluster size reduction");
}
catch (IllegalArgumentException expected) {
assertEquals("cluster-size-reduction: Size reduction in 'default' is too large. Current size: 30, new size: 14. New size must be at least 50% of the current size. " +
ValidationOverrides.toAllowMessage(ValidationId.clusterSizeReduction),
Exceptions.toMessageString(expected));
}
}
@Test
public void testSizeReductionValidationMinimalDecreaseIsAllowed() throws IOException, SAXException {
ValidationTester tester = new ValidationTester(30);
VespaModel previous = tester.deploy(null, getServices(3), null).getFirst();
tester.deploy(previous, getServices(2), null);
}
/*
@Test
public void testSizeReductionTo50PercentIsAllowed() throws IOException, SAXException {
ValidationTester tester = new ValidationTester(30);
VespaModel previous = tester.deploy(null, getServices(30), null).getFirst();
tester.deploy(previous, getServices(15), null);
}
*/
@Test
public void testOverridingSizereductionValidation() throws IOException, SAXException {
ValidationTester tester = new ValidationTester(30);
VespaModel previous = tester.deploy(null, getServices(30), null).getFirst();
tester.deploy(previous, getServices(14), sizeReductionOverride); // Allowed due to override
}
private static String getServices(int size) {
return "<services version='1.0'>" +
" <content id='default' version='1.0'>" +
" <redundancy>1</redundancy>" +
" <engine>" +
" <proton/>" +
" </engine>" +
" <documents>" +
" <document type='music' mode='index'/>" +
" </documents>" +
" <nodes count='" + size + "'/>" +
" </content>" +
"</services>";
}
private static final String sizeReductionOverride =
"<validation-overrides>\n" +
" <allow until='2000-01-03'>cluster-size-reduction</allow>\n" +
"</validation-overrides>\n";
}
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