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Deprecate setting 'cluster.initial_master_nodes' and introduce the al…
…ternative setting 'cluster.initial_cluster_manager_nodes' (#2463) * Deprecate setting cluster.initial_master_nodes, and add setting cluster.initial_cluster_manager_nodes Signed-off-by: Tianli Feng <[email protected]>
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84 changes: 84 additions & 0 deletions
84
.../java/org/opensearch/cluster/coordination/ClusterBootstrapServiceRenamedSettingTests.java
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| @@ -0,0 +1,84 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
||
| package org.opensearch.cluster.coordination; | ||
|
|
||
| import org.opensearch.common.settings.ClusterSettings; | ||
| import org.opensearch.common.settings.Setting; | ||
| import org.opensearch.common.settings.Settings; | ||
| import org.opensearch.test.OpenSearchTestCase; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.Set; | ||
|
|
||
| /** | ||
| * A unit test to validate the former name of the setting 'cluster.initial_cluster_manager_nodes' still take effect, | ||
| * after it is deprecated, so that the backwards compatibility is maintained. | ||
| * The test can be removed along with removing support of the deprecated setting. | ||
| */ | ||
| public class ClusterBootstrapServiceRenamedSettingTests extends OpenSearchTestCase { | ||
| /** | ||
| * Validate the both settings are known and supported. | ||
| */ | ||
| public void testReindexSettingsExist() { | ||
| Set<Setting<?>> settings = ClusterSettings.BUILT_IN_CLUSTER_SETTINGS; | ||
| assertTrue( | ||
| "Both 'cluster.initial_cluster_manager_nodes' and its predecessor should be supported built-in settings.", | ||
| settings.containsAll( | ||
| Arrays.asList( | ||
| ClusterBootstrapService.INITIAL_MASTER_NODES_SETTING, | ||
| ClusterBootstrapService.INITIAL_CLUSTER_MANAGER_NODES_SETTING | ||
| ) | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Validate the default value of the both settings is the same. | ||
| */ | ||
| public void testSettingFallback() { | ||
| assertEquals( | ||
| ClusterBootstrapService.INITIAL_MASTER_NODES_SETTING.get(Settings.EMPTY), | ||
| ClusterBootstrapService.INITIAL_CLUSTER_MANAGER_NODES_SETTING.get(Settings.EMPTY) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Validate the new setting can be configured correctly, and it doesn't impact the old setting. | ||
| */ | ||
| public void testSettingGetValue() { | ||
| Settings settings = Settings.builder().put("cluster.initial_cluster_manager_nodes", "node-a").build(); | ||
| assertEquals(Arrays.asList("node-a"), ClusterBootstrapService.INITIAL_CLUSTER_MANAGER_NODES_SETTING.get(settings)); | ||
| assertEquals( | ||
| ClusterBootstrapService.INITIAL_MASTER_NODES_SETTING.getDefault(Settings.EMPTY), | ||
| ClusterBootstrapService.INITIAL_MASTER_NODES_SETTING.get(settings) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Validate the value of the old setting will be applied to the new setting, if the new setting is not configured. | ||
| */ | ||
| public void testSettingGetValueWithFallback() { | ||
| Settings settings = Settings.builder().put("cluster.initial_master_nodes", "node-a").build(); | ||
| assertEquals(Arrays.asList("node-a"), ClusterBootstrapService.INITIAL_CLUSTER_MANAGER_NODES_SETTING.get(settings)); | ||
| assertSettingDeprecationsAndWarnings(new Setting<?>[] { ClusterBootstrapService.INITIAL_MASTER_NODES_SETTING }); | ||
| } | ||
|
|
||
| /** | ||
| * Validate the value of the old setting will be ignored, if the new setting is configured. | ||
| */ | ||
| public void testSettingGetValueWhenBothAreConfigured() { | ||
| Settings settings = Settings.builder() | ||
| .put("cluster.initial_cluster_manager_nodes", "node-a") | ||
| .put("cluster.initial_master_nodes", "node-a, node-b") | ||
| .build(); | ||
| assertEquals(Arrays.asList("node-a"), ClusterBootstrapService.INITIAL_CLUSTER_MANAGER_NODES_SETTING.get(settings)); | ||
| assertEquals(Arrays.asList("node-a", "node-b"), ClusterBootstrapService.INITIAL_MASTER_NODES_SETTING.get(settings)); | ||
| assertSettingDeprecationsAndWarnings(new Setting<?>[] { ClusterBootstrapService.INITIAL_MASTER_NODES_SETTING }); | ||
| } | ||
| } |
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