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[DistSQL]Support
alter traffic rule syntax. (#15155)
* Support `alter traffic rule` syntax. * Rename variable. * Add successful test. * Add converter.
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35 changes: 35 additions & 0 deletions
35
.../apache/shardingsphere/distsql/parser/statement/rdl/create/AlterTrafficRuleStatement.java
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| /* | ||
| * 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.shardingsphere.distsql.parser.statement.rdl.create; | ||
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| import lombok.Getter; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.apache.shardingsphere.distsql.parser.segment.TrafficRuleSegment; | ||
| import org.apache.shardingsphere.distsql.parser.statement.ral.common.AlterDistSQLStatement; | ||
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| import java.util.Collection; | ||
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| /** | ||
| * Alter traffic rule statement. | ||
| */ | ||
| @RequiredArgsConstructor | ||
| @Getter | ||
| public final class AlterTrafficRuleStatement extends AlterDistSQLStatement { | ||
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| private final Collection<TrafficRuleSegment> segments; | ||
| } |
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94 changes: 94 additions & 0 deletions
94
...gsphere/proxy/backend/text/distsql/ral/common/alter/excutor/AlterTrafficRuleExecutor.java
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| /* | ||
| * 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.shardingsphere.proxy.backend.text.distsql.ral.common.alter.excutor; | ||
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| import lombok.RequiredArgsConstructor; | ||
| import org.apache.shardingsphere.distsql.parser.segment.TrafficRuleSegment; | ||
| import org.apache.shardingsphere.distsql.parser.statement.rdl.create.AlterTrafficRuleStatement; | ||
| import org.apache.shardingsphere.infra.distsql.exception.DistSQLException; | ||
| import org.apache.shardingsphere.infra.distsql.exception.rule.InvalidAlgorithmConfigurationException; | ||
| import org.apache.shardingsphere.infra.distsql.exception.rule.RequiredRuleMissedException; | ||
| import org.apache.shardingsphere.mode.metadata.MetaDataContexts; | ||
| import org.apache.shardingsphere.mode.metadata.persist.MetaDataPersistService; | ||
| import org.apache.shardingsphere.proxy.backend.context.ProxyContext; | ||
| import org.apache.shardingsphere.proxy.backend.response.header.ResponseHeader; | ||
| import org.apache.shardingsphere.proxy.backend.response.header.update.UpdateResponseHeader; | ||
| import org.apache.shardingsphere.proxy.backend.text.distsql.ral.common.alter.AlterStatementExecutor; | ||
| import org.apache.shardingsphere.proxy.backend.text.distsql.ral.common.convert.TrafficRuleConverter; | ||
| import org.apache.shardingsphere.spi.typed.TypedSPIRegistry; | ||
| import org.apache.shardingsphere.traffic.api.config.TrafficRuleConfiguration; | ||
| import org.apache.shardingsphere.traffic.api.config.TrafficStrategyConfiguration; | ||
| import org.apache.shardingsphere.traffic.spi.TrafficAlgorithm; | ||
| import org.apache.shardingsphere.traffic.spi.TrafficLoadBalanceAlgorithm; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.Optional; | ||
| import java.util.Properties; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
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| /** | ||
| * Alter traffic rule handler. | ||
| */ | ||
| @RequiredArgsConstructor | ||
| public final class AlterTrafficRuleExecutor implements AlterStatementExecutor { | ||
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| private final AlterTrafficRuleStatement sqlStatement; | ||
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| @Override | ||
| public ResponseHeader execute() throws DistSQLException { | ||
| Optional<TrafficRuleConfiguration> currentConfiguration = ProxyContext.getInstance().getContextManager().getMetaDataContexts().getGlobalRuleMetaData() | ||
| .findRuleConfiguration(TrafficRuleConfiguration.class).stream().findAny(); | ||
| check(sqlStatement, currentConfiguration); | ||
| TrafficRuleConfiguration toBeAlteredConfiguration = TrafficRuleConverter.convert(sqlStatement.getSegments()); | ||
| updateToRepository(toBeAlteredConfiguration, currentConfiguration.get()); | ||
| return new UpdateResponseHeader(sqlStatement); | ||
| } | ||
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| private void check(final AlterTrafficRuleStatement sqlStatement, final Optional<TrafficRuleConfiguration> currentConfiguration) throws DistSQLException { | ||
| DistSQLException.predictionThrow(currentConfiguration.isPresent(), new RequiredRuleMissedException("Traffic")); | ||
| Collection<String> currentRuleNames = currentConfiguration.get().getTrafficStrategies().stream().map(TrafficStrategyConfiguration::getName).collect(Collectors.toSet()); | ||
| Set<String> notExistRuleNames = sqlStatement.getSegments().stream().map(TrafficRuleSegment::getName).filter(each -> !currentRuleNames.contains(each)).collect(Collectors.toSet()); | ||
| DistSQLException.predictionThrow(notExistRuleNames.isEmpty(), new RequiredRuleMissedException("Traffic", notExistRuleNames)); | ||
| Collection<String> invalidAlgorithmNames = getInvalidAlgorithmNames(sqlStatement.getSegments()); | ||
| DistSQLException.predictionThrow(invalidAlgorithmNames.isEmpty(), new InvalidAlgorithmConfigurationException("traffic", invalidAlgorithmNames)); | ||
| } | ||
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| private Collection<String> getInvalidAlgorithmNames(final Collection<TrafficRuleSegment> segments) { | ||
| Collection<String> result = new ArrayList<>(segments.size()); | ||
| sqlStatement.getSegments().forEach(each -> { | ||
| if (!TypedSPIRegistry.findRegisteredService(TrafficAlgorithm.class, each.getAlgorithm().getName(), new Properties()).isPresent()) { | ||
| result.add(each.getAlgorithm().getName()); | ||
| } | ||
| if (!TypedSPIRegistry.findRegisteredService(TrafficLoadBalanceAlgorithm.class, each.getLoadBalancer().getName(), new Properties()).isPresent()) { | ||
| result.add(each.getLoadBalancer().getName()); | ||
| } | ||
| }); | ||
| return result; | ||
| } | ||
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| private void updateToRepository(final TrafficRuleConfiguration toBeAlteredConfiguration, final TrafficRuleConfiguration currentConfiguration) { | ||
| currentConfiguration.getTrafficStrategies().addAll(toBeAlteredConfiguration.getTrafficStrategies()); | ||
| currentConfiguration.getTrafficAlgorithms().putAll(toBeAlteredConfiguration.getTrafficAlgorithms()); | ||
| currentConfiguration.getLoadBalancers().putAll(toBeAlteredConfiguration.getLoadBalancers()); | ||
| MetaDataContexts metaDataContexts = ProxyContext.getInstance().getContextManager().getMetaDataContexts(); | ||
| Optional<MetaDataPersistService> metaDataPersistService = metaDataContexts.getMetaDataPersistService(); | ||
| metaDataPersistService.ifPresent(op -> op.getGlobalRuleService().persist(metaDataContexts.getGlobalRuleMetaData().getConfigurations(), true)); | ||
| } | ||
| } |
67 changes: 67 additions & 0 deletions
67
...he/shardingsphere/proxy/backend/text/distsql/ral/common/convert/TrafficRuleConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * 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.shardingsphere.proxy.backend.text.distsql.ral.common.convert; | ||
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| import org.apache.shardingsphere.distsql.parser.segment.AlgorithmSegment; | ||
| import org.apache.shardingsphere.distsql.parser.segment.TrafficRuleSegment; | ||
| import org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmConfiguration; | ||
| import org.apache.shardingsphere.traffic.api.config.TrafficRuleConfiguration; | ||
| import org.apache.shardingsphere.traffic.api.config.TrafficStrategyConfiguration; | ||
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| import java.util.Collection; | ||
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| /** | ||
| * Traffic rule converter. | ||
| */ | ||
| public final class TrafficRuleConverter { | ||
|
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| /** | ||
| * Convert traffic rule segment to traffic rule configuration. | ||
| * | ||
| * @param segments traffic rule segments | ||
| * @return traffic rule configuration | ||
| */ | ||
| public static TrafficRuleConfiguration convert(final Collection<TrafficRuleSegment> segments) { | ||
| TrafficRuleConfiguration result = new TrafficRuleConfiguration(); | ||
| segments.forEach(each -> setConfigurationData(result, each)); | ||
| return result; | ||
| } | ||
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| private static void setConfigurationData(final TrafficRuleConfiguration result, final TrafficRuleSegment each) { | ||
| ShardingSphereAlgorithmConfiguration trafficAlgorithm = createAlgorithmConfiguration(each.getAlgorithm()); | ||
| ShardingSphereAlgorithmConfiguration loadBalancer = createAlgorithmConfiguration(each.getLoadBalancer()); | ||
| String trafficAlgorithmName = createAlgorithmName(each.getName(), trafficAlgorithm); | ||
| String loadBalancerName = createAlgorithmName(each.getName(), loadBalancer); | ||
| TrafficStrategyConfiguration trafficStrategy = createTrafficStrategy(each, trafficAlgorithmName, loadBalancerName); | ||
| result.getTrafficStrategies().add(trafficStrategy); | ||
| result.getTrafficAlgorithms().put(trafficAlgorithmName, trafficAlgorithm); | ||
| result.getLoadBalancers().put(loadBalancerName, loadBalancer); | ||
| } | ||
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| private static ShardingSphereAlgorithmConfiguration createAlgorithmConfiguration(final AlgorithmSegment segment) { | ||
| return new ShardingSphereAlgorithmConfiguration(segment.getName(), segment.getProps()); | ||
| } | ||
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| private static TrafficStrategyConfiguration createTrafficStrategy(final TrafficRuleSegment trafficRuleSegment, final String trafficAlgorithmName, final String loadBalancerName) { | ||
| return new TrafficStrategyConfiguration(trafficRuleSegment.getName(), trafficRuleSegment.getLabels(), trafficAlgorithmName, loadBalancerName); | ||
| } | ||
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| private static String createAlgorithmName(final String ruleName, final ShardingSphereAlgorithmConfiguration algorithm) { | ||
| return String.format("%s_%s", ruleName, algorithm.getType()).toLowerCase(); | ||
| } | ||
| } |
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