From 773b224391aca252842db9a0fdbb45e1e705e27d Mon Sep 17 00:00:00 2001 From: Bhumika Saini Date: Mon, 13 May 2024 20:21:30 +0530 Subject: [PATCH] Allow clearing remote_store.compatibility_mode setting Signed-off-by: Bhumika Saini --- CHANGELOG.md | 1 + .../RemoteStoreMigrationSettingsUpdateIT.java | 47 +++++++++++++------ ...eMigrationShardAllocationBaseTestCase.java | 5 ++ .../TransportClusterUpdateSettingsAction.java | 5 +- 4 files changed, 41 insertions(+), 17 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index b24cc5347e768..88cd6dc675463 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -25,6 +25,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), ### Fixed - Fix negative RequestStats metric issue ([#13553](https://github.com/opensearch-project/OpenSearch/pull/13553)) - Fix get field mapping API returns 404 error in mixed cluster with multiple versions ([#13624](https://github.com/opensearch-project/OpenSearch/pull/13624)) +- Allow clearing `remote_store.compatibility_mode` setting ([#13646](https://github.com/opensearch-project/OpenSearch/pull/13646)) ### Security diff --git a/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationSettingsUpdateIT.java b/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationSettingsUpdateIT.java index b71f7d7cf7e4a..377bd9529ca7a 100644 --- a/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationSettingsUpdateIT.java +++ b/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationSettingsUpdateIT.java @@ -14,6 +14,7 @@ import org.opensearch.test.InternalTestCluster; import org.opensearch.test.OpenSearchIntegTestCase; +import java.io.IOException; import java.nio.file.Path; import java.util.Optional; @@ -26,6 +27,8 @@ public class RemoteStoreMigrationSettingsUpdateIT extends RemoteStoreMigrationShardAllocationBaseTestCase { private Client client; + private String nonRemoteNodeName; + private String remoteNodeName; // remote store backed index setting tests @@ -120,18 +123,7 @@ public void testNewRestoredIndexIsRemoteStoreBackedForRemoteStoreDirectionAndMix // compatibility mode setting test public void testSwitchToStrictMode() throws Exception { - logger.info("Initialize cluster"); - initializeCluster(false); - - logger.info("Create a mixed mode cluster"); - setClusterMode(MIXED.mode); - addRemote = true; - String remoteNodeName = internalCluster().startNode(); - addRemote = false; - String nonRemoteNodeName = internalCluster().startNode(); - internalCluster().validateClusterFormed(); - assertNodeInCluster(remoteNodeName); - assertNodeInCluster(nonRemoteNodeName); + createMixedModeCluster(); logger.info("Attempt switching to strict mode"); SettingsException exception = assertThrows(SettingsException.class, () -> setClusterMode(STRICT.mode)); @@ -140,12 +132,39 @@ public void testSwitchToStrictMode() throws Exception { exception.getMessage() ); + stopRemoteNode(); + + logger.info("Attempt switching to strict mode"); + setClusterMode(STRICT.mode); + } + + public void testClearCompatibilityModeSetting() throws Exception { + createMixedModeCluster(); + stopRemoteNode(); + + logger.info("Attempt clearing compatibility mode"); + clearClusterMode(); + } + + private void stopRemoteNode() throws IOException { logger.info("Stop remote node so that cluster had only non-remote nodes"); internalCluster().stopRandomNode(InternalTestCluster.nameFilter(remoteNodeName)); ensureStableCluster(2); + } - logger.info("Attempt switching to strict mode"); - setClusterMode(STRICT.mode); + private void createMixedModeCluster() { + logger.info("Initialize cluster"); + initializeCluster(false); + + logger.info("Create a mixed mode cluster"); + setClusterMode(MIXED.mode); + addRemote = true; + remoteNodeName = internalCluster().startNode(); + addRemote = false; + nonRemoteNodeName = internalCluster().startNode(); + internalCluster().validateClusterFormed(); + assertNodeInCluster(remoteNodeName); + assertNodeInCluster(nonRemoteNodeName); } // bootstrap a cluster diff --git a/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationShardAllocationBaseTestCase.java b/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationShardAllocationBaseTestCase.java index cf689aa554c8b..3591846a93bc8 100644 --- a/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationShardAllocationBaseTestCase.java +++ b/server/src/internalClusterTest/java/org/opensearch/remotemigration/RemoteStoreMigrationShardAllocationBaseTestCase.java @@ -55,6 +55,11 @@ protected void setClusterMode(String mode) { assertAcked(internalCluster().client().admin().cluster().updateSettings(updateSettingsRequest).actionGet()); } + protected void clearClusterMode() { + updateSettingsRequest.persistentSettings(Settings.builder().putNull(REMOTE_STORE_COMPATIBILITY_MODE_SETTING.getKey())); + assertAcked(internalCluster().client().admin().cluster().updateSettings(updateSettingsRequest).actionGet()); + } + // set the migration direction for cluster [remote_store, docrep, none] protected void setDirection(String direction) { updateSettingsRequest.persistentSettings(Settings.builder().put(MIGRATION_DIRECTION_SETTING.getKey(), direction)); diff --git a/server/src/main/java/org/opensearch/action/admin/cluster/settings/TransportClusterUpdateSettingsAction.java b/server/src/main/java/org/opensearch/action/admin/cluster/settings/TransportClusterUpdateSettingsAction.java index 6292d32fee26d..216e1fb2ed1cc 100644 --- a/server/src/main/java/org/opensearch/action/admin/cluster/settings/TransportClusterUpdateSettingsAction.java +++ b/server/src/main/java/org/opensearch/action/admin/cluster/settings/TransportClusterUpdateSettingsAction.java @@ -66,7 +66,6 @@ import java.io.IOException; import java.util.Collection; -import java.util.Locale; import java.util.Set; import java.util.stream.Collectors; @@ -285,9 +284,9 @@ public ClusterState execute(final ClusterState currentState) { public void validateCompatibilityModeSettingRequest(ClusterUpdateSettingsRequest request, ClusterState clusterState) { Settings settings = Settings.builder().put(request.persistentSettings()).put(request.transientSettings()).build(); if (RemoteStoreNodeService.REMOTE_STORE_COMPATIBILITY_MODE_SETTING.exists(settings)) { - String value = settings.get(RemoteStoreNodeService.REMOTE_STORE_COMPATIBILITY_MODE_SETTING.getKey()).toLowerCase(Locale.ROOT); + String value = RemoteStoreNodeService.REMOTE_STORE_COMPATIBILITY_MODE_SETTING.get(settings).mode; validateAllNodesOfSameVersion(clusterState.nodes()); - if (value.equals(RemoteStoreNodeService.CompatibilityMode.STRICT.mode)) { + if (RemoteStoreNodeService.CompatibilityMode.STRICT.mode.equals(value)) { validateAllNodesOfSameType(clusterState.nodes()); validateIndexSettings(clusterState); }