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HDDS-12294. Create config object for OM #7848
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69 changes: 69 additions & 0 deletions
69
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/OmConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.hadoop.ozone.om; | ||
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| import org.apache.hadoop.hdds.conf.Config; | ||
| import org.apache.hadoop.hdds.conf.ConfigGroup; | ||
| import org.apache.hadoop.hdds.conf.ConfigTag; | ||
| import org.apache.hadoop.hdds.conf.PostConstruct; | ||
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| /** | ||
| * Ozone Manager configuration. | ||
| */ | ||
| @ConfigGroup(prefix = "ozone.om") | ||
| public class OmConfig { | ||
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| @Config( | ||
| key = "server.list.max.size", | ||
| defaultValue = "1000", | ||
| description = "Configuration property to configure the max server side response size for list calls on om.", | ||
| tags = { ConfigTag.OM, ConfigTag.OZONE } | ||
| ) | ||
| private long maxListSize; | ||
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| public long getMaxListSize() { | ||
| return maxListSize; | ||
| } | ||
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| public void setMaxListSize(long newValue) { | ||
| maxListSize = newValue; | ||
| validate(); | ||
| } | ||
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| @PostConstruct | ||
| public void validate() { | ||
| if (maxListSize <= 0) { | ||
| maxListSize = Defaults.SERVER_LIST_MAX_SIZE; | ||
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| } | ||
| } | ||
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| /** | ||
| * String keys for tests and grep. | ||
| */ | ||
| public static final class Keys { | ||
| public static final String SERVER_LIST_MAX_SIZE = "ozone.om.server.list.max.size"; | ||
| } | ||
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| /** | ||
| * Default values for tests. | ||
| */ | ||
| static final class Defaults { | ||
| public static final long SERVER_LIST_MAX_SIZE = 1000; | ||
| } | ||
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| } | ||
54 changes: 54 additions & 0 deletions
54
hadoop-ozone/common/src/test/java/org/apache/hadoop/ozone/om/TestOmConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.hadoop.ozone.om; | ||
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| import org.apache.hadoop.hdds.conf.MutableConfigurationSource; | ||
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.params.ParameterizedTest; | ||
| import org.junit.jupiter.params.provider.ValueSource; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| class TestOmConfig { | ||
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| @Test | ||
| void acceptsValidValues() { | ||
| final long validMaxListSize = 42; | ||
| MutableConfigurationSource conf = new OzoneConfiguration(); | ||
| conf.setLong(OmConfig.Keys.SERVER_LIST_MAX_SIZE, validMaxListSize); | ||
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| OmConfig subject = conf.getObject(OmConfig.class); | ||
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| assertThat(subject.getMaxListSize()) | ||
| .isEqualTo(validMaxListSize); | ||
| } | ||
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| @ParameterizedTest | ||
| @ValueSource(longs = {-1, 0}) | ||
| void overridesInvalidListSize(long invalidValue) { | ||
| MutableConfigurationSource conf = new OzoneConfiguration(); | ||
| conf.setLong(OmConfig.Keys.SERVER_LIST_MAX_SIZE, invalidValue); | ||
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| OmConfig subject = conf.getObject(OmConfig.class); | ||
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| assertThat(subject.getMaxListSize()) | ||
| .isEqualTo(OmConfig.Defaults.SERVER_LIST_MAX_SIZE); | ||
| } | ||
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| } | ||
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