| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.cassandra.locator; |
| |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.EnumMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.db.commitlog.CommitLog; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.gms.ApplicationState; |
| import org.apache.cassandra.gms.Gossiper; |
| import org.apache.cassandra.gms.VersionedValue; |
| import org.apache.cassandra.service.StorageService; |
| |
| import static org.apache.cassandra.ServerTestUtils.cleanup; |
| import static org.apache.cassandra.ServerTestUtils.mkdirs; |
| import static org.apache.cassandra.config.CassandraRelevantProperties.GOSSIP_DISABLE_THREAD_VALIDATION; |
| import static org.apache.cassandra.locator.Ec2Snitch.EC2_NAMING_LEGACY; |
| import static org.junit.Assert.assertEquals; |
| |
| public class EC2SnitchTest |
| { |
| private static String az; |
| |
| private final SnitchProperties legacySnitchProps = new SnitchProperties() |
| { |
| public String get(String propertyName, String defaultValue) |
| { |
| return propertyName.equals("ec2_naming_scheme") ? EC2_NAMING_LEGACY : super.get(propertyName, defaultValue); |
| } |
| }; |
| |
| @BeforeClass |
| public static void setup() throws Exception |
| { |
| GOSSIP_DISABLE_THREAD_VALIDATION.setBoolean(true); |
| DatabaseDescriptor.daemonInitialization(); |
| CommitLog.instance.start(); |
| CommitLog.instance.segmentManager.awaitManagementTasksCompletion(); |
| mkdirs(); |
| cleanup(); |
| Keyspace.setInitialized(); |
| StorageService.instance.initServer(0); |
| } |
| |
| private class TestEC2Snitch extends Ec2Snitch |
| { |
| public TestEC2Snitch() throws IOException, ConfigurationException |
| { |
| super(); |
| } |
| |
| public TestEC2Snitch(SnitchProperties props) throws IOException, ConfigurationException |
| { |
| super(props); |
| } |
| |
| @Override |
| String awsApiCall(String url) throws IOException, ConfigurationException |
| { |
| return az; |
| } |
| } |
| |
| @Test |
| public void testLegacyRac() throws IOException, ConfigurationException |
| { |
| az = "us-east-1d"; |
| Ec2Snitch snitch = new TestEC2Snitch(legacySnitchProps); |
| InetAddressAndPort local = InetAddressAndPort.getByName("127.0.0.1"); |
| InetAddressAndPort nonlocal = InetAddressAndPort.getByName("127.0.0.7"); |
| |
| Gossiper.instance.addSavedEndpoint(nonlocal); |
| Map<ApplicationState, VersionedValue> stateMap = new EnumMap<>(ApplicationState.class); |
| stateMap.put(ApplicationState.DC, StorageService.instance.valueFactory.datacenter("us-west")); |
| stateMap.put(ApplicationState.RACK, StorageService.instance.valueFactory.datacenter("1a")); |
| Gossiper.instance.getEndpointStateForEndpoint(nonlocal).addApplicationStates(stateMap); |
| |
| assertEquals("us-west", snitch.getDatacenter(nonlocal)); |
| assertEquals("1a", snitch.getRack(nonlocal)); |
| |
| assertEquals("us-east", snitch.getDatacenter(local)); |
| assertEquals("1d", snitch.getRack(local)); |
| } |
| |
| @Test |
| public void testLegacyNewRegions() throws IOException, ConfigurationException |
| { |
| az = "us-east-2d"; |
| Ec2Snitch snitch = new TestEC2Snitch(legacySnitchProps); |
| InetAddressAndPort local = InetAddressAndPort.getByName("127.0.0.1"); |
| assertEquals("us-east-2", snitch.getDatacenter(local)); |
| assertEquals("2d", snitch.getRack(local)); |
| } |
| |
| @Test |
| public void testFullNamingScheme() throws IOException, ConfigurationException |
| { |
| InetAddressAndPort local = InetAddressAndPort.getByName("127.0.0.1"); |
| az = "us-east-2d"; |
| Ec2Snitch snitch = new TestEC2Snitch(); |
| |
| assertEquals("us-east-2", snitch.getDatacenter(local)); |
| assertEquals("us-east-2d", snitch.getRack(local)); |
| |
| az = "us-west-1a"; |
| snitch = new TestEC2Snitch(); |
| |
| assertEquals("us-west-1", snitch.getDatacenter(local)); |
| assertEquals("us-west-1a", snitch.getRack(local)); |
| } |
| |
| @Test |
| public void validateDatacenter_RequiresLegacy_CorrectAmazonName() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-east-1"); |
| Assert.assertTrue(Ec2Snitch.validate(datacenters, Collections.emptySet(), true)); |
| } |
| |
| @Test |
| public void validateDatacenter_RequiresLegacy_LegacyName() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-east"); |
| Assert.assertTrue(Ec2Snitch.validate(datacenters, Collections.emptySet(), true)); |
| } |
| |
| @Test |
| public void validate_RequiresLegacy_HappyPath() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-east"); |
| Set<String> racks = new HashSet<>(); |
| racks.add("1a"); |
| Assert.assertTrue(Ec2Snitch.validate(datacenters, racks, true)); |
| } |
| |
| @Test |
| public void validate_RequiresLegacy_HappyPathWithDCSuffix() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-east_CUSTOM_SUFFIX"); |
| Set<String> racks = new HashSet<>(); |
| racks.add("1a"); |
| Assert.assertTrue(Ec2Snitch.validate(datacenters, racks, true)); |
| } |
| |
| @Test |
| public void validateRack_RequiresAmazonName_CorrectAmazonName() |
| { |
| Set<String> racks = new HashSet<>(); |
| racks.add("us-east-1a"); |
| Assert.assertTrue(Ec2Snitch.validate(Collections.emptySet(), racks, false)); |
| } |
| |
| @Test |
| public void validateRack_RequiresAmazonName_LegacyName() |
| { |
| Set<String> racks = new HashSet<>(); |
| racks.add("1a"); |
| Assert.assertFalse(Ec2Snitch.validate(Collections.emptySet(), racks, false)); |
| } |
| |
| @Test |
| public void validate_RequiresAmazonName_HappyPath() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-east-1"); |
| Set<String> racks = new HashSet<>(); |
| racks.add("us-east-1a"); |
| Assert.assertTrue(Ec2Snitch.validate(datacenters, racks, false)); |
| } |
| |
| @Test |
| public void validate_RequiresAmazonName_HappyPathWithDCSuffix() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-east-1_CUSTOM_SUFFIX"); |
| Set<String> racks = new HashSet<>(); |
| racks.add("us-east-1a"); |
| Assert.assertTrue(Ec2Snitch.validate(datacenters, racks, false)); |
| } |
| |
| /** |
| * Validate upgrades in legacy mode for regions that didn't change name between the standard and legacy modes. |
| */ |
| @Test |
| public void validate_RequiresLegacy_DCValidStandardAndLegacy() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-west-2"); |
| Set<String> racks = new HashSet<>(); |
| racks.add("2a"); |
| racks.add("2b"); |
| Assert.assertTrue(Ec2Snitch.validate(datacenters, racks, true)); |
| } |
| |
| /** |
| * Check that racks names are enough to detect a mismatch in naming conventions. |
| */ |
| @Test |
| public void validate_RequiresLegacy_RackInvalidForLegacy() |
| { |
| Set<String> datacenters = new HashSet<>(); |
| datacenters.add("us-west-2"); |
| Set<String> racks = new HashSet<>(); |
| racks.add("us-west-2a"); |
| Assert.assertFalse(Ec2Snitch.validate(datacenters, racks, true)); |
| } |
| |
| @AfterClass |
| public static void tearDown() |
| { |
| StorageService.instance.stopClient(); |
| } |
| } |