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Implement ILM/settings operator handlers (#88097)
Relates to #86224
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90 changes: 90 additions & 0 deletions
90
...src/main/java/org/elasticsearch/immutablestate/action/ImmutableClusterSettingsAction.java
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/* | ||
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
* or more contributor license agreements. Licensed under the Elastic License | ||
* 2.0 and the Server Side Public License, v 1; you may not use this file except | ||
* in compliance with, at your election, the Elastic License 2.0 or the Server | ||
* Side Public License, v 1. | ||
*/ | ||
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package org.elasticsearch.immutablestate.action; | ||
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import org.elasticsearch.action.admin.cluster.settings.ClusterUpdateSettingsRequest; | ||
import org.elasticsearch.action.admin.cluster.settings.TransportClusterUpdateSettingsAction; | ||
import org.elasticsearch.client.internal.Requests; | ||
import org.elasticsearch.cluster.ClusterState; | ||
import org.elasticsearch.common.settings.ClusterSettings; | ||
import org.elasticsearch.immutablestate.ImmutableClusterStateHandler; | ||
import org.elasticsearch.immutablestate.TransformState; | ||
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import java.util.HashMap; | ||
import java.util.HashSet; | ||
import java.util.Map; | ||
import java.util.Set; | ||
import java.util.stream.Collectors; | ||
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import static org.elasticsearch.common.util.Maps.asMap; | ||
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/** | ||
* This Action is the immutable state save version of RestClusterUpdateSettingsAction | ||
* <p> | ||
* It is used by the ImmutableClusterStateController to update the persistent cluster settings. | ||
* Since transient cluster settings are deprecated, this action doesn't support updating transient cluster settings. | ||
*/ | ||
public class ImmutableClusterSettingsAction implements ImmutableClusterStateHandler<ClusterUpdateSettingsRequest> { | ||
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public static final String NAME = "cluster_settings"; | ||
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private final ClusterSettings clusterSettings; | ||
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public ImmutableClusterSettingsAction(ClusterSettings clusterSettings) { | ||
this.clusterSettings = clusterSettings; | ||
} | ||
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@Override | ||
public String name() { | ||
return NAME; | ||
} | ||
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@SuppressWarnings("unchecked") | ||
private ClusterUpdateSettingsRequest prepare(Object input, Set<String> previouslySet) { | ||
final ClusterUpdateSettingsRequest clusterUpdateSettingsRequest = Requests.clusterUpdateSettingsRequest(); | ||
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Map<String, ?> source = asMap(input); | ||
Map<String, Object> persistentSettings = new HashMap<>(); | ||
Set<String> toDelete = new HashSet<>(previouslySet); | ||
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source.forEach((k, v) -> { | ||
persistentSettings.put(k, v); | ||
toDelete.remove(k); | ||
}); | ||
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toDelete.forEach(k -> persistentSettings.put(k, null)); | ||
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clusterUpdateSettingsRequest.persistentSettings(persistentSettings); | ||
return clusterUpdateSettingsRequest; | ||
} | ||
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@Override | ||
public TransformState transform(Object input, TransformState prevState) { | ||
ClusterUpdateSettingsRequest request = prepare(input, prevState.keys()); | ||
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// allow empty requests, this is how we clean up settings | ||
if (request.persistentSettings().isEmpty() == false) { | ||
validate(request); | ||
} | ||
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ClusterState state = prevState.state(); | ||
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TransportClusterUpdateSettingsAction.ClusterUpdateSettingsTask updateSettingsTask = | ||
new TransportClusterUpdateSettingsAction.ClusterUpdateSettingsTask(clusterSettings, request); | ||
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state = updateSettingsTask.execute(state); | ||
Set<String> currentKeys = request.persistentSettings() | ||
.keySet() | ||
.stream() | ||
.filter(k -> request.persistentSettings().hasValue(k)) | ||
.collect(Collectors.toSet()); | ||
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return new TransformState(state, currentKeys); | ||
} | ||
} |
100 changes: 100 additions & 0 deletions
100
...est/java/org/elasticsearch/immutablestate/action/ImmutableClusterSettingsActionTests.java
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/* | ||
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
* or more contributor license agreements. Licensed under the Elastic License | ||
* 2.0 and the Server Side Public License, v 1; you may not use this file except | ||
* in compliance with, at your election, the Elastic License 2.0 or the Server | ||
* Side Public License, v 1. | ||
*/ | ||
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package org.elasticsearch.immutablestate.action; | ||
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import org.elasticsearch.cluster.ClusterName; | ||
import org.elasticsearch.cluster.ClusterState; | ||
import org.elasticsearch.common.settings.ClusterSettings; | ||
import org.elasticsearch.common.settings.Settings; | ||
import org.elasticsearch.immutablestate.TransformState; | ||
import org.elasticsearch.test.ESTestCase; | ||
import org.elasticsearch.xcontent.XContentParser; | ||
import org.elasticsearch.xcontent.XContentParserConfiguration; | ||
import org.elasticsearch.xcontent.XContentType; | ||
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import java.util.Collections; | ||
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import static org.hamcrest.Matchers.containsInAnyOrder; | ||
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public class ImmutableClusterSettingsActionTests extends ESTestCase { | ||
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private TransformState processJSON(ImmutableClusterSettingsAction action, TransformState prevState, String json) throws Exception { | ||
try (XContentParser parser = XContentType.JSON.xContent().createParser(XContentParserConfiguration.EMPTY, json)) { | ||
return action.transform(parser.map(), prevState); | ||
} | ||
} | ||
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public void testValidation() throws Exception { | ||
ClusterSettings clusterSettings = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS); | ||
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ClusterState state = ClusterState.builder(new ClusterName("elasticsearch")).build(); | ||
TransformState prevState = new TransformState(state, Collections.emptySet()); | ||
ImmutableClusterSettingsAction action = new ImmutableClusterSettingsAction(clusterSettings); | ||
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String badPolicyJSON = """ | ||
{ | ||
"indices.recovery.min_bytes_per_sec": "50mb" | ||
}"""; | ||
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assertEquals( | ||
"persistent setting [indices.recovery.min_bytes_per_sec], not recognized", | ||
expectThrows(IllegalArgumentException.class, () -> processJSON(action, prevState, badPolicyJSON)).getMessage() | ||
); | ||
} | ||
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public void testSetUnsetSettings() throws Exception { | ||
ClusterSettings clusterSettings = new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS); | ||
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ClusterState state = ClusterState.builder(new ClusterName("elasticsearch")).build(); | ||
TransformState prevState = new TransformState(state, Collections.emptySet()); | ||
ImmutableClusterSettingsAction action = new ImmutableClusterSettingsAction(clusterSettings); | ||
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String emptyJSON = ""; | ||
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TransformState updatedState = processJSON(action, prevState, emptyJSON); | ||
assertEquals(0, updatedState.keys().size()); | ||
assertEquals(prevState.state(), updatedState.state()); | ||
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String settingsJSON = """ | ||
{ | ||
"indices.recovery.max_bytes_per_sec": "50mb", | ||
"cluster": { | ||
"remote": { | ||
"cluster_one": { | ||
"seeds": [ | ||
"127.0.0.1:9300" | ||
] | ||
} | ||
} | ||
} | ||
}"""; | ||
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prevState = updatedState; | ||
updatedState = processJSON(action, prevState, settingsJSON); | ||
assertThat(updatedState.keys(), containsInAnyOrder("indices.recovery.max_bytes_per_sec", "cluster.remote.cluster_one.seeds")); | ||
assertEquals("50mb", updatedState.state().metadata().persistentSettings().get("indices.recovery.max_bytes_per_sec")); | ||
assertEquals("[127.0.0.1:9300]", updatedState.state().metadata().persistentSettings().get("cluster.remote.cluster_one.seeds")); | ||
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String oneSettingJSON = """ | ||
{ | ||
"indices.recovery.max_bytes_per_sec": "25mb" | ||
}"""; | ||
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prevState = updatedState; | ||
updatedState = processJSON(action, prevState, oneSettingJSON); | ||
assertThat(updatedState.keys(), containsInAnyOrder("indices.recovery.max_bytes_per_sec")); | ||
assertEquals("25mb", updatedState.state().metadata().persistentSettings().get("indices.recovery.max_bytes_per_sec")); | ||
assertNull(updatedState.state().metadata().persistentSettings().get("cluster.remote.cluster_one.seeds")); | ||
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prevState = updatedState; | ||
updatedState = processJSON(action, prevState, emptyJSON); | ||
assertEquals(0, updatedState.keys().size()); | ||
assertNull(updatedState.state().metadata().persistentSettings().get("indices.recovery.max_bytes_per_sec")); | ||
} | ||
} |
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32 changes: 32 additions & 0 deletions
32
...lugin/ilm/src/main/java/org/elasticsearch/xpack/ilm/ILMImmutableStateHandlerProvider.java
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/* | ||
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
* or more contributor license agreements. Licensed under the Elastic License | ||
* 2.0; you may not use this file except in compliance with the Elastic License | ||
* 2.0. | ||
*/ | ||
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package org.elasticsearch.xpack.ilm; | ||
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import org.elasticsearch.immutablestate.ImmutableClusterStateHandler; | ||
import org.elasticsearch.immutablestate.ImmutableClusterStateHandlerProvider; | ||
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import java.util.Arrays; | ||
import java.util.Collection; | ||
import java.util.Set; | ||
import java.util.concurrent.ConcurrentHashMap; | ||
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/** | ||
* ILM Provider implementation for the {@link ImmutableClusterStateHandlerProvider} service interface | ||
*/ | ||
public class ILMImmutableStateHandlerProvider implements ImmutableClusterStateHandlerProvider { | ||
private static final Set<ImmutableClusterStateHandler<?>> handlers = ConcurrentHashMap.newKeySet(); | ||
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@Override | ||
public Collection<ImmutableClusterStateHandler<?>> handlers() { | ||
return handlers; | ||
} | ||
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public static void registerHandlers(ImmutableClusterStateHandler<?>... stateHandlers) { | ||
handlers.addAll(Arrays.asList(stateHandlers)); | ||
} | ||
} |
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