| /* |
| * 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.commands.DockerAction; |
| import com.epam.datalab.dto.ResourceURL; |
| import com.epam.datalab.dto.UserInstanceStatus; |
| import com.epam.datalab.dto.base.computational.ComputationalBase; |
| import com.epam.datalab.dto.computational.ComputationalStatusDTO; |
| import com.epam.datalab.rest.client.RESTService; |
| import com.epam.datalab.rest.contracts.ApiCallbacks; |
| import com.fasterxml.jackson.annotation.JacksonInject; |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.core.type.TypeReference; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import lombok.extern.slf4j.Slf4j; |
| |
| import java.io.IOException; |
| import java.time.Instant; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| import java.util.stream.StreamSupport; |
| |
| @Slf4j |
| public class ComputationalCallbackHandler extends ResourceCallbackHandler<ComputationalStatusDTO> { |
| private static final String INSTANCE_ID_FIELD = "instance_id"; |
| private static final String COMPUTATIONAL_ID_FIELD = "hostname"; |
| private static final String COMPUTATIONAL_URL_FIELD = "computational_url"; |
| |
| @JsonProperty |
| private final ComputationalBase<?> dto; |
| private ComputationalConfigure computationalConfigure; |
| |
| @JsonCreator |
| public ComputationalCallbackHandler(@JacksonInject ComputationalConfigure computationalConfigure, |
| @JacksonInject RESTService selfService, |
| @JsonProperty("action") DockerAction action, |
| @JsonProperty("uuid") String uuid, |
| @JsonProperty("dto") ComputationalBase<?> dto) { |
| |
| super(selfService, dto.getCloudSettings().getIamUser(), uuid, action); |
| this.computationalConfigure = computationalConfigure; |
| this.dto = dto; |
| } |
| |
| protected ComputationalBase<?> getDto() { |
| return dto; |
| } |
| |
| @Override |
| protected String getCallbackURI() { |
| return ApiCallbacks.COMPUTATIONAL + ApiCallbacks.STATUS_URI; |
| } |
| |
| @Override |
| protected ComputationalStatusDTO parseOutResponse(JsonNode resultNode, ComputationalStatusDTO baseStatus) { |
| if (resultNode == null) { |
| return baseStatus; |
| } |
| baseStatus.withComputationalUrl(extractUrl(resultNode)); |
| baseStatus.withLastActivity(Date.from(Instant.now())); |
| |
| if (DockerAction.CREATE == getAction()) { |
| baseStatus |
| .withInstanceId(instanceId(resultNode.get(INSTANCE_ID_FIELD))) |
| .withComputationalId(getTextValue(resultNode.get(COMPUTATIONAL_ID_FIELD))); |
| if (UserInstanceStatus.of(baseStatus.getStatus()) == UserInstanceStatus.RUNNING) { |
| baseStatus.withStatus(UserInstanceStatus.CONFIGURING); |
| computationalConfigure.configure(getUUID(), getDto()); |
| } |
| } |
| return baseStatus; |
| } |
| |
| @Override |
| protected ComputationalStatusDTO getBaseStatusDTO(UserInstanceStatus status) { |
| return super.getBaseStatusDTO(status) |
| .withExploratoryName(dto.getExploratoryName()) |
| .withComputationalName(dto.getComputationalName()) |
| .withProject(dto.getProject()); |
| } |
| |
| private String instanceId(JsonNode jsonNode) { |
| if (jsonNode != null && jsonNode.isArray()) { |
| return StreamSupport.stream(jsonNode.spliterator(), false) |
| .map(JsonNode::textValue) |
| .collect(Collectors.joining(";")); |
| } else { |
| return getTextValue(jsonNode); |
| } |
| |
| } |
| |
| private List<ResourceURL> extractUrl(JsonNode resultNode) { |
| final JsonNode nodeUrl = resultNode.get(COMPUTATIONAL_URL_FIELD); |
| return Optional.ofNullable(nodeUrl) |
| .map(this::getUrls) |
| .orElse(Collections.emptyList()); |
| } |
| |
| private List<ResourceURL> getUrls(JsonNode nodeUrl) { |
| try { |
| return mapper.readValue(nodeUrl.toString(), new TypeReference<List<ResourceURL>>() { |
| }); |
| } catch (IOException e) { |
| log.warn("Cannot parse field {} for UUID {} in JSON", RESPONSE_NODE + "." + RESULT_NODE + "." + |
| COMPUTATIONAL_URL_FIELD, getUUID(), e); |
| } |
| return Collections.emptyList(); |
| } |
| } |
| |