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package com.yahoo.vespa.model.application.validation.change;
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 com.yahoo.test.JunitCompat.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author bratseth
*/
public class RedundancyChangeValidatorTest {
private static final String redundancyOverride =
"<validation-overrides>\n" +
" <allow until='2000-01-03'>redundancy-one</allow>\n" +
"</validation-overrides>\n";
@Test
public void testChangingRedundancyToOne() {
try {
var tester = new ValidationTester(6);
VespaModel previous = tester.deploy(null, getServices("test", 2), Environment.prod, null).getFirst();
tester.deploy(previous, getServices("test", 1), Environment.prod, null);
fail("Expected exception");
}
catch (IllegalArgumentException e) {
assertEquals("redundancy-one: content cluster 'test' has redundancy 1, which will cause it to lose data if a node fails. " +
"This requires an override on first deployment in a production zone. " +
"To allow this add <allow until='yyyy-mm-dd'>redundancy-one</allow> to validation-overrides.xml, " +
"see https://docs.vespa.ai/en/reference/validation-overrides.html",
Exceptions.toMessageString(e));
}
}
@Test
public void testChangingRedundancyToOneWithValidationOverride() {
var tester = new ValidationTester(6);
VespaModel previous = tester.deploy(null, getServices("test", 2), Environment.prod, null).getFirst();
previous = tester.deploy(previous, getServices("test", 1), Environment.prod, redundancyOverride).getFirst();
// Staying at one does not require an override
tester.deploy(previous, getServices("test", 1), Environment.prod, null);
}
private static String getServices(String contentClusterId, int redundancy) {
return "<services version='1.0'>" +
" <content id='" + contentClusterId + "' version='1.0'>" +
" <redundancy>" + redundancy + "</redundancy>" +
" <engine>" +
" <proton/>" +
" </engine>" +
" <documents>" +
" <document type='music' mode='index'/>" +
" </documents>" +
" <nodes count='2'/>" +
" </content>" +
"</services>";
}
}
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