+/*
+ * Copyright 2020 Huawei Technologies Co., Ltd.
+ *
+ * Licensed 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 com.eliot.eliotbe.eliotk8sclient.service;
+
+
+import org.apache.tomcat.util.http.fileupload.FileUploadException;
+import com.eliot.eliotbe.eliotk8sclient.AppException;
+import com.eliot.eliotbe.eliotk8sclient.common.AppConstants;
+import org.apache.tomcat.util.http.fileupload.FileUtils;
+import org.joda.time.LocalDate;
+import org.joda.time.LocalDateTime;
+import org.joda.time.LocalTime;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.net.URLEncoder;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.lang.System;
+import java.io.File;
+@Component
+public class AppServiceHandler {
+
+ public static final Logger logger = LoggerFactory.getLogger(AppServiceHandler.class);
+
+ @Autowired
+ private AppService appService;
+
+ /**
+ * Upload deployment file.
+ * @param file file
+ * @return
+ */
+ public ResponseEntity<Map<String, String>> uploadDeployment(MultipartFile file)
+ throws IOException {
+ try {
+ validateFile(file, AppConstants.MAX_CONFIG_SIZE, "");
+ } catch (FileUploadException | NullPointerException e) {
+ Map<String, String> response = new HashMap<>();
+ response.put("error",e.getMessage());
+ return new ResponseEntity<>(response, HttpStatus.BAD_REQUEST);
+ }
+
+ String destination = appService.getPackageBasePath() + LocalDate.now().toString()
+ + LocalTime.now().getMillisOfSecond() +"/";
+ File destinationfile = new File(destination);
+/* if (file.exists()) {
+ FileUtils.cleanDirectory(file);
+ FileUtils.deleteDirectory(file);
+ }*/
+ boolean isMk = destinationfile.mkdir();
+ if (!isMk) {
+ logger.info("package directory creation failed");
+ }
+
+ logger.info("destination path is set");
+
+ String deploymentPathWithFile = null;
+
+ deploymentPathWithFile = storeDeployFile(destination,file);
+
+ appService.instantiateApplication(deploymentPathWithFile);
+
+ Map<String, String> response = new HashMap<>();
+ response.put("Application Deployed","OK");
+ return new ResponseEntity<>(response, HttpStatus.OK);
+ }
+
+ private boolean checkK8sConfigFile(Path k8sConfig) {
+ if (!k8sConfig.toFile().isFile() || !k8sConfig.toFile().exists()) {
+ logger.error("Config file does not exist...");
+ return false;
+ }
+ return true;
+ }
+
+ private String storeDeployFile(String basePath, MultipartFile file) throws IOException {
+ // Get the file and save it somewhere
+ byte[] bytes = file.getBytes();
+
+ //String packageDir = getPackageDirName(AppConstants.MAX_PACKAGE_DIR_SIZE);
+ Path path = Paths.get(basePath + file.getOriginalFilename());
+ // Path path = Paths.get("~/");
+ Files.write(path, bytes);
+ String deploymentFilePath;
+ return deploymentFilePath = basePath+ file.getOriginalFilename();
+ }
+
+ private Path loadK8sConfigFilePath(String basePath) {
+ return Paths.get(basePath + "");
+ }
+
+/* private String getPackageDirName(int size) {
+ final String allowed = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+
+ SecureRandom sr = new SecureRandom();
+ StringBuilder sb = new StringBuilder(size);
+ for (int i = 0; i < size; i++) {
+ sb.append(allowed.charAt(sr.nextInt(allowed.length())));
+ }
+ return sb.toString();
+ }*/
+
+ /**
+ * Validate MultipartFile.
+ *
+ * @param file file
+ * @param fileSize file size for validation
+ * @param extension file extension
+ * @throws FileUploadException on exception throws
+ */
+ public void validateFile(MultipartFile file, long fileSize, String extension) throws FileUploadException {
+ if (file == null) {
+ throw new FileUploadException("file is null");
+ }
+
+ if (file.isEmpty()) {
+ throw new FileUploadException("file is empty");
+ } else if (!extension.isEmpty()
+ && null != file.getOriginalFilename() && !file.getOriginalFilename().endsWith(extension)) {
+ throw new FileUploadException("package format not supported");
+ } else if (file.getSize() > fileSize) {
+ throw new FileUploadException("file size not in the limit");
+ }
+ }
+ private ResponseEntity<Map<String, String>> createErrorResponse(String error) {
+ Map<String, String> response = new HashMap<>();
+ response.put("error", error);
+ response.put("status", HttpStatus.INTERNAL_SERVER_ERROR.toString());
+ return new ResponseEntity<>(response, HttpStatus.INTERNAL_SERVER_ERROR);
+ }
+}