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// Copyright Yahoo. 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.provision.Environment;
import com.yahoo.vespa.model.VespaModel;
import com.yahoo.vespa.model.application.validation.ValidationTester;
import com.yahoo.yolean.Exceptions;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author bratseth
*/
public class ClusterSizeReductionValidatorTest {
@Test
void testSizeReductionValidation() {
ValidationTester tester = new ValidationTester(33);
VespaModel previous = tester.deploy(null, getServices(30), Environment.prod, null).getFirst();
try {
tester.deploy(previous, getServices(14), Environment.prod, null);
fail("Expected exception due to cluster size reduction");
}
catch (IllegalArgumentException expected) {
assertEquals("cluster-size-reduction: Size reduction in 'default' is too large: " +
"New min size must be at least 50% of the current min size. " +
"Current size: 30, new size: 14. " +
ValidationOverrides.toAllowMessage(ValidationId.clusterSizeReduction),
Exceptions.toMessageString(expected));
}
}
@Test
void testSizeReductionValidationMinimalDecreaseIsAllowed() {
ValidationTester tester = new ValidationTester(30);
VespaModel previous = tester.deploy(null, getServices(3), Environment.prod, null).getFirst();
tester.deploy(previous, getServices(2), Environment.prod, null);
}
@Test
void testOverridingSizereductionValidation() {
ValidationTester tester = new ValidationTester(33);
VespaModel previous = tester.deploy(null, getServices(30), Environment.prod, null).getFirst();
tester.deploy(previous, getServices(14), Environment.prod, 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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