| /* |
| * 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 com.epam.datalab.backendapi.core.response.handlers; |
| |
| import com.epam.datalab.backendapi.core.FileHandlerCallback; |
| import com.epam.datalab.dto.backup.EnvBackupDTO; |
| import com.epam.datalab.dto.backup.EnvBackupStatus; |
| import com.epam.datalab.dto.backup.EnvBackupStatusDTO; |
| import com.epam.datalab.exceptions.DatalabException; |
| import com.epam.datalab.rest.client.RESTService; |
| import com.fasterxml.jackson.annotation.JacksonInject; |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.core.JsonParser; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import lombok.extern.slf4j.Slf4j; |
| |
| import javax.ws.rs.core.Response; |
| |
| @Slf4j |
| public class BackupCallbackHandler implements FileHandlerCallback { |
| private static final ObjectMapper MAPPER = new ObjectMapper() |
| .configure(JsonParser.Feature.AUTO_CLOSE_SOURCE, true); |
| private static final String STATUS_FIELD = "status"; |
| private static final String BACKUP_FILE_FIELD = "backup_file"; |
| private static final String ERROR_MESSAGE_FIELD = "error_message"; |
| @JsonProperty |
| private final String uuid; |
| @JsonProperty |
| private final EnvBackupDTO dto; |
| private final RESTService selfService; |
| @JsonProperty |
| private final String callbackUrl; |
| @JsonProperty |
| private final String user; |
| |
| @JsonCreator |
| public BackupCallbackHandler( |
| @JacksonInject RESTService selfService, |
| @JsonProperty("callbackUrl") String callbackUrl, @JsonProperty("user") String user, |
| @JsonProperty("dto") EnvBackupDTO dto) { |
| this.selfService = selfService; |
| this.uuid = dto.getId(); |
| this.callbackUrl = callbackUrl; |
| this.user = user; |
| this.dto = dto; |
| } |
| |
| @Override |
| public String getUUID() { |
| return uuid; |
| } |
| |
| @Override |
| public boolean checkUUID(String uuid) { |
| return this.uuid.equals(uuid); |
| } |
| |
| @Override |
| public boolean handle(String fileName, byte[] content) throws Exception { |
| final String fileContent = new String(content); |
| log.debug("Got file {} while waiting for UUID {}, backup response: {}", fileName, uuid, fileContent); |
| |
| final JsonNode jsonNode = MAPPER.readTree(fileContent); |
| final EnvBackupStatus status = EnvBackupStatus.fromValue(jsonNode.get(STATUS_FIELD).textValue()); |
| EnvBackupStatusDTO envBackupStatusDTO; |
| if (EnvBackupStatus.CREATED == status) { |
| envBackupStatusDTO = buildBackupStatusDto(EnvBackupStatus.CREATED) |
| .withBackupFile(jsonNode.get(BACKUP_FILE_FIELD).textValue()); |
| } else { |
| envBackupStatusDTO = buildBackupStatusDto(EnvBackupStatus.FAILED) |
| .withErrorMessage(jsonNode.get(ERROR_MESSAGE_FIELD).textValue()); |
| } |
| selfServicePost(envBackupStatusDTO); |
| return EnvBackupStatus.CREATED == status; |
| } |
| |
| private void selfServicePost(EnvBackupStatusDTO statusDTO) { |
| log.debug("Send post request to self service {} for UUID {}, object is {}", uuid, statusDTO); |
| try { |
| selfService.post(callbackUrl, statusDTO, Response.class); |
| } catch (Exception e) { |
| log.error("Send request or response error for UUID {}: {}", uuid, e.getLocalizedMessage(), e); |
| throw new DatalabException("Send request or response error for UUID " + uuid + ": " + e.getLocalizedMessage() |
| , e); |
| } |
| } |
| |
| @Override |
| public void handleError(String errorMessage) { |
| buildBackupStatusDto(EnvBackupStatus.FAILED) |
| .withErrorMessage(errorMessage); |
| } |
| |
| @Override |
| public String getUser() { |
| return user; |
| } |
| |
| protected EnvBackupStatusDTO buildBackupStatusDto(EnvBackupStatus status) { |
| return new EnvBackupStatusDTO() |
| .withRequestId(uuid) |
| .withEnvBackupDTO(dto) |
| .withStatus(status) |
| .withUser(user); |
| } |
| } |