HDDS-12549. refactor ratis request to common place #8059
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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.hadoop.ozone.om.execution; | ||
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| import static org.apache.hadoop.ozone.util.MetricUtil.captureLatencyNs; | ||
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| import com.google.protobuf.ServiceException; | ||
| import java.io.IOException; | ||
| import org.apache.hadoop.ozone.om.OMPerformanceMetrics; | ||
| import org.apache.hadoop.ozone.om.OzoneManager; | ||
| import org.apache.hadoop.ozone.om.helpers.OMAuditLogger; | ||
| import org.apache.hadoop.ozone.om.ratis.utils.OzoneManagerRatisUtils; | ||
| import org.apache.hadoop.ozone.om.request.OMClientRequest; | ||
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMRequest; | ||
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMResponse; | ||
| import org.apache.ratis.protocol.ClientId; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| /** | ||
| * entry for execution flow for write request. | ||
| */ | ||
| public class OMExecutionFlow { | ||
| private static final Logger LOG = LoggerFactory.getLogger(OMExecutionFlow.class); | ||
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| private final OzoneManager ozoneManager; | ||
| private final OMPerformanceMetrics perfMetrics; | ||
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| public OMExecutionFlow(OzoneManager om) { | ||
| this.ozoneManager = om; | ||
| this.perfMetrics = ozoneManager.getPerfMetrics(); | ||
| } | ||
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| /** | ||
| * External request handling. | ||
| * | ||
| * @param omRequest the request | ||
| * @return OMResponse the response of execution | ||
| * @throws ServiceException the exception on execution | ||
| */ | ||
| public OMResponse submit(OMRequest omRequest) throws ServiceException { | ||
| // TODO: currently have only execution after ratis submission, but with new flow can have switch later | ||
| return submitExecutionToRatis(omRequest); | ||
| } | ||
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| /** | ||
| * Internal request to be directly executed. | ||
| * | ||
| * @param omRequest the request | ||
| * @param clientId clientId of request | ||
| * @param callId callId of request | ||
| * @return the response of execution | ||
| * @throws ServiceException the exception on execution | ||
| */ | ||
| public OMResponse submitInternal(OMRequest omRequest, ClientId clientId, long callId) throws ServiceException { | ||
| return ozoneManager.getOmRatisServer().submitRequest(omRequest, clientId, callId); | ||
| } | ||
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| private OMResponse submitExecutionToRatis(OMRequest request) throws ServiceException { | ||
| // 1. create client request and preExecute | ||
| OMClientRequest omClientRequest = null; | ||
| final OMRequest requestToSubmit; | ||
| try { | ||
| omClientRequest = OzoneManagerRatisUtils.createClientRequest(request, ozoneManager); | ||
| assert (omClientRequest != null); | ||
| final OMClientRequest finalOmClientRequest = omClientRequest; | ||
| requestToSubmit = captureLatencyNs(perfMetrics.getPreExecuteLatencyNs(), | ||
| () -> finalOmClientRequest.preExecute(ozoneManager)); | ||
| } catch (IOException ex) { | ||
| if (omClientRequest != null) { | ||
| OMAuditLogger.log(omClientRequest.getAuditBuilder()); | ||
| omClientRequest.handleRequestFailure(ozoneManager); | ||
| } | ||
| return OzoneManagerRatisUtils.createErrorResponse(request, ex); | ||
| } | ||
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| // 2. submit request to ratis | ||
| OMResponse response = ozoneManager.getOmRatisServer().submitRequest(requestToSubmit); | ||
| if (!response.getSuccess()) { | ||
| omClientRequest.handleRequestFailure(ozoneManager); | ||
| } | ||
| return response; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| /** | ||
| * This package contains classes for the OM execution implementation. | ||
| */ | ||
| package org.apache.hadoop.ozone.om.execution; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -515,6 +515,22 @@ public static GrpcTlsConfig createServerTlsConfig(SecurityConfig conf, | |
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| public static OzoneManagerProtocolProtos.OMResponse submitRequest( | ||
| OzoneManager om, OMRequest omRequest, ClientId clientId, long callId) throws ServiceException { | ||
| return om.getOmExecutionFlow().submitInternal(omRequest, clientId, callId); | ||
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| } | ||
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| public static OzoneManagerProtocolProtos.OMResponse createErrorResponse( | ||
| OMRequest omRequest, IOException exception) { | ||
| // Added all write command types here, because in future if any of the | ||
| // preExecute is changed to return IOException, we can return the error | ||
| // OMResponse to the client. | ||
| OzoneManagerProtocolProtos.OMResponse.Builder omResponse = OzoneManagerProtocolProtos.OMResponse.newBuilder() | ||
| .setStatus(OzoneManagerRatisUtils.exceptionToResponseStatus(exception)) | ||
| .setCmdType(omRequest.getCmdType()) | ||
| .setTraceID(omRequest.getTraceID()) | ||
| .setSuccess(false); | ||
| if (exception.getMessage() != null) { | ||
| omResponse.setMessage(exception.getMessage()); | ||
| } | ||
| return omResponse.build(); | ||
| } | ||
| } | ||
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gateway -> execution flow