| /* |
| * 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.UserInstanceStatus; |
| import com.epam.datalab.dto.status.EnvResource; |
| import com.epam.datalab.dto.status.EnvResourceList; |
| import com.epam.datalab.dto.status.EnvStatusDTO; |
| 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.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.Map; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import static com.epam.datalab.rest.contracts.ApiCallbacks.INFRASTRUCTURE; |
| import static com.epam.datalab.rest.contracts.ApiCallbacks.STATUS_URI; |
| |
| @Slf4j |
| public class ResourcesStatusCallbackHandler extends ResourceCallbackHandler<EnvStatusDTO> { |
| |
| private final Map<String, EnvResource> datalabHostResources; |
| |
| @JsonCreator |
| public ResourcesStatusCallbackHandler(@JacksonInject RESTService selfService, @JsonProperty("action") DockerAction action, |
| @JsonProperty("uuid") String uuid, @JsonProperty("user") String user, |
| EnvResourceList resourceList) { |
| super(selfService, user, uuid, action); |
| this.datalabHostResources = getEnvResources(resourceList); |
| } |
| |
| @Override |
| protected EnvStatusDTO parseOutResponse(JsonNode resultNode, EnvStatusDTO baseStatus) { |
| log.trace("Trying to parse: {}, with {}", resultNode, baseStatus); |
| if (resultNode == null) { |
| return baseStatus; |
| } |
| |
| EnvResourceList cloudResourceList; |
| try { |
| cloudResourceList = mapper.readValue(resultNode.toString(), EnvResourceList.class); |
| } catch (IOException e) { |
| throw new DatalabException("Docker response for UUID " + getUUID() + " not valid: " + e.getLocalizedMessage(), e); |
| } |
| |
| EnvResourceList envResourceList = EnvResourceList.builder() |
| .hostList(getListOrEmpty(cloudResourceList.getHostList())) |
| .clusterList(getListOrEmpty(cloudResourceList.getClusterList())) |
| .build(); |
| |
| baseStatus |
| .withResourceList(envResourceList) |
| .withUptime(Date.from(Instant.now())); |
| |
| log.trace("Inner status {}", baseStatus); |
| |
| return baseStatus; |
| } |
| |
| private String checkAndMapStatus(String status) { |
| if (status.equalsIgnoreCase ("terminated_with_errors")) { |
| log.trace("While parsing response changed: {} -> {}", status, UserInstanceStatus.TERMINATED); |
| return UserInstanceStatus.TERMINATED.toString(); |
| } else { |
| return status; |
| } |
| } |
| |
| @Override |
| public boolean handle(String fileName, byte[] content) { |
| try { |
| return super.handle(fileName, content); |
| } catch (Exception e) { |
| log.warn("Could not retrieve the status of resources for UUID {} and user {}: {}", |
| getUUID(), getUser(), e.getLocalizedMessage(), e); |
| } |
| return true; // Always necessary return true for status response |
| } |
| |
| @Override |
| protected String getCallbackURI() { |
| return INFRASTRUCTURE + STATUS_URI; |
| } |
| |
| @Override |
| public void handleError(String errorMessage) { |
| // Nothing action for status response |
| } |
| |
| private List<EnvResource> getChangedEnvResources(List<EnvResource> envResources) { |
| return envResources |
| .stream() |
| .filter(e -> !e.getStatus().equals(datalabHostResources.get(e.getId()).getStatus())) |
| .map(e -> datalabHostResources.get(e.getId()) |
| .withStatus(checkAndMapStatus(e.getStatus()))) |
| .collect(Collectors.toList()); |
| } |
| |
| private Map<String, EnvResource> getEnvResources(EnvResourceList envResources) { |
| return Stream.concat(envResources.getClusterList().stream(), envResources.getHostList().stream()) |
| .collect(Collectors.toMap(EnvResource::getId, e -> e)); |
| } |
| |
| private List<EnvResource> getListOrEmpty(List<EnvResource> source) { |
| return getChangedEnvResources(Optional.of(source).orElse(Collections.emptyList())); |
| } |
| } |