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173
...-engineconn-manager-server/src/main/java/org/apache/linkis/ecm/restful/ECMRestfulApi.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. | ||
| */ | ||
|
|
||
| package org.apache.linkis.ecm.restful; | ||
|
|
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| import org.apache.linkis.common.conf.Configuration; | ||
| import org.apache.linkis.server.Message; | ||
| import org.apache.linkis.server.utils.ModuleUserUtils; | ||
|
|
||
| import org.apache.commons.io.IOUtils; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.apache.http.Consts; | ||
|
|
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| import org.springframework.web.bind.annotation.*; | ||
|
|
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| import javax.servlet.ServletOutputStream; | ||
| import javax.servlet.http.HttpServletRequest; | ||
| import javax.servlet.http.HttpServletResponse; | ||
|
|
||
| import java.io.*; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Paths; | ||
| import java.nio.file.attribute.FileOwnerAttributeView; | ||
| import java.nio.file.attribute.UserPrincipal; | ||
| import java.text.MessageFormat; | ||
|
|
||
| import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport; | ||
| import io.swagger.annotations.Api; | ||
| import io.swagger.annotations.ApiImplicitParam; | ||
| import io.swagger.annotations.ApiImplicitParams; | ||
| import io.swagger.annotations.ApiOperation; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import static org.apache.linkis.ecm.errorcode.EngineconnServerErrorCodeSummary.*; | ||
|
|
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| @Api(tags = "ECM") | ||
| @RequestMapping(path = "/engineconnManager") | ||
| @RestController | ||
| public class ECMRestfulApi { | ||
|
|
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| private final Logger logger = LoggerFactory.getLogger(ECMRestfulApi.class); | ||
|
|
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| /** | ||
| * * Reason for using the get method: Added gateway forwarding rules, which only support get | ||
| * requests | ||
| * | ||
| * @param req | ||
| * @param response | ||
| * @param emInstance | ||
| * @param instance | ||
| * @param logDirSuffix | ||
| * @param logType | ||
| * @throws IOException | ||
| */ | ||
| @ApiOperation( | ||
| value = "downloadEngineLog", | ||
| notes = "download engine log", | ||
| response = Message.class) | ||
| @ApiImplicitParams({ | ||
| @ApiImplicitParam( | ||
| name = "emInstance", | ||
| required = true, | ||
| dataType = "String", | ||
| example = "xxx0002:9102"), | ||
| @ApiImplicitParam( | ||
| name = "instance", | ||
| required = true, | ||
| dataType = "String", | ||
| example = "xxx0002:35873"), | ||
| @ApiImplicitParam(name = "logDirSuffix", required = true, dataType = "String"), | ||
| @ApiImplicitParam(name = "logType", required = true, dataType = "String") | ||
| }) | ||
| @ApiOperationSupport(ignoreParameters = {"json"}) | ||
| @RequestMapping(path = "/downloadEngineLog", method = RequestMethod.GET) | ||
| public Message downloadEngineLog( | ||
| HttpServletRequest req, | ||
| HttpServletResponse response, | ||
| @RequestParam(value = "emInstance") String emInstance, | ||
| @RequestParam(value = "instance") String instance, | ||
| @RequestParam(value = "logDirSuffix") String logDirSuffix, | ||
| @RequestParam(value = "logType") String logType) | ||
| throws IOException { | ||
| String userName = ModuleUserUtils.getOperationUser(req, "downloadEngineLog"); | ||
| if (StringUtils.isBlank(instance)) { | ||
| return Message.error(MessageFormat.format(PARAMETER_NOT_NULL.getErrorDesc(), "instance")); | ||
| } | ||
| if (StringUtils.isBlank(logDirSuffix)) { | ||
| return Message.error(MessageFormat.format(PARAMETER_NOT_NULL.getErrorDesc(), "logDirSuffix")); | ||
| } | ||
| if (StringUtils.isBlank(logType)) { | ||
| return Message.error(MessageFormat.format(PARAMETER_NOT_NULL.getErrorDesc(), "logType")); | ||
| } else if (!logType.equals("stdout") | ||
| && !logType.equals("stderr") | ||
| && !logType.equals("gc") | ||
| && !logType.equals("yarnApp")) { | ||
| return Message.error(LOGTYPE_ERROR.getErrorDesc()); | ||
| } | ||
| // 获取文件的权限归属者 | ||
| FileOwnerAttributeView ownerView = | ||
| Files.getFileAttributeView( | ||
| Paths.get(logDirSuffix + "/" + logType), FileOwnerAttributeView.class); | ||
| UserPrincipal owner = ownerView.getOwner(); | ||
| if (!owner.getName().equals(userName) | ||
| && Configuration.isNotAdmin(userName) | ||
| && Configuration.isNotJobHistoryAdmin(userName)) { | ||
| return Message.error( | ||
| MessageFormat.format(NOT_PERMISSION.getErrorDesc(), userName, emInstance)); | ||
| } | ||
| File inputFile = new File(logDirSuffix, logType); | ||
| if (!inputFile.exists()) { | ||
| return Message.error(MessageFormat.format(LOG_IS_NOT_EXISTS.getErrorDesc(), logDirSuffix)); | ||
| } else { | ||
| long fileSizeInBytes = inputFile.length(); | ||
| long fileSizeInMegabytes = fileSizeInBytes / (1024 * 1024); | ||
| if (fileSizeInMegabytes > 100) { | ||
| return Message.error(MessageFormat.format(FILE_IS_OVERSIZE.getErrorDesc(), logDirSuffix)); | ||
| } | ||
| ServletOutputStream outputStream = null; | ||
| FileInputStream inputStream = null; | ||
| BufferedInputStream fis = null; | ||
| PrintWriter writer = null; | ||
| try { | ||
| inputStream = new FileInputStream(inputFile); | ||
| fis = new BufferedInputStream(inputStream); | ||
| byte[] buffer = new byte[1024]; | ||
| int bytesRead = 0; | ||
| response.setCharacterEncoding(Consts.UTF_8.toString()); | ||
| java.nio.file.Path source = Paths.get(inputFile.getPath()); | ||
| response.addHeader("Content-Type", Files.probeContentType(source)); | ||
| // filename eg:xxx002_11529_stdout.txt | ||
| response.addHeader( | ||
| "Content-Disposition", | ||
| "attachment;filename=" + instance.replace(":", "_") + "_" + logType + ".txt"); | ||
| response.addHeader("Content-Length", fileSizeInBytes + ""); | ||
| outputStream = response.getOutputStream(); | ||
| while ((bytesRead = fis.read(buffer, 0, 1024)) != -1) { | ||
| outputStream.write(buffer, 0, bytesRead); | ||
| } | ||
| } catch (IOException e) { | ||
| logger.warn("Download EngineLog Failed Msg :", e); | ||
| response.reset(); | ||
| response.setCharacterEncoding(Consts.UTF_8.toString()); | ||
| response.setContentType("text/plain; charset=utf-8"); | ||
| writer = response.getWriter(); | ||
| writer.append("error(错误):" + e.getMessage()); | ||
| writer.flush(); | ||
| } finally { | ||
| if (outputStream != null) { | ||
| outputStream.flush(); | ||
| } | ||
| IOUtils.closeQuietly(outputStream); | ||
| IOUtils.closeQuietly(fis); | ||
| IOUtils.closeQuietly(inputStream); | ||
| } | ||
| return Message.ok(); | ||
| } | ||
| } | ||
| } |
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