| /* |
| * 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.ambari.infra; |
| |
| import static org.apache.commons.lang.StringUtils.isBlank; |
| |
| import java.io.IOException; |
| import java.io.UncheckedIOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.nio.charset.Charset; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.apache.http.client.ClientProtocolException; |
| import org.apache.http.client.methods.CloseableHttpResponse; |
| import org.apache.http.client.methods.HttpDelete; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.client.methods.HttpPost; |
| import org.apache.http.client.methods.HttpRequestBase; |
| import org.apache.http.client.utils.URIBuilder; |
| import org.apache.http.impl.client.CloseableHttpClient; |
| import org.apache.http.impl.client.DefaultHttpRequestRetryHandler; |
| import org.apache.http.impl.client.HttpClientBuilder; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| |
| import com.fasterxml.jackson.core.JsonParseException; |
| import com.fasterxml.jackson.core.type.TypeReference; |
| import com.fasterxml.jackson.databind.JsonMappingException; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| |
| // TODO: use swagger |
| public class InfraClient implements AutoCloseable { |
| private static final Logger logger = LogManager.getLogger(InfraClient.class); |
| |
| private final CloseableHttpClient httpClient; |
| private final URI baseUrl; |
| |
| public InfraClient(String baseUrl) { |
| try { |
| this.baseUrl = new URI(baseUrl); |
| } catch (URISyntaxException e) { |
| throw new RuntimeException(e); |
| } |
| httpClient = HttpClientBuilder.create().setRetryHandler(new DefaultHttpRequestRetryHandler(0, false)).build(); |
| } |
| |
| @Override |
| public void close() throws Exception { |
| httpClient.close(); |
| } |
| |
| // TODO: return job data |
| public void getJobs() { |
| execute(new HttpGet(baseUrl)); |
| } |
| |
| private HttpResponse execute(HttpRequestBase post) { |
| try (CloseableHttpResponse response = httpClient.execute(post)) { |
| String responseBodyText = IOUtils.toString(response.getEntity().getContent(), Charset.defaultCharset()); |
| int statusCode = response.getStatusLine().getStatusCode(); |
| logger.info("Response code {} body {} ", statusCode, responseBodyText); |
| if (!(200 <= statusCode && statusCode <= 299)) |
| throw new RuntimeException("Error while executing http request: " + responseBodyText); |
| return new HttpResponse(statusCode, responseBodyText); |
| } catch (ClientProtocolException e) { |
| throw new RuntimeException(e); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| |
| public JobExecutionInfo startJob(String jobName, String parameters) { |
| URIBuilder uriBuilder = new URIBuilder(baseUrl); |
| uriBuilder.setScheme("http"); |
| uriBuilder.setPath(uriBuilder.getPath() + "/" + jobName); |
| if (!isBlank(parameters)) |
| uriBuilder.addParameter("params", parameters); |
| try { |
| String responseText = execute(new HttpPost(uriBuilder.build())).getBody(); |
| Map<String, Object> responseContent = new ObjectMapper().readValue(responseText, new TypeReference<HashMap<String,Object>>() {}); |
| if (!responseContent.containsKey("jobId")) |
| throw new NullPointerException("jobId is not found in start job responseContent"); |
| if (!responseContent.containsKey("jobExecutionData")) |
| throw new NullPointerException("jobExecutionData is not found in start job responseContent"); |
| if (!((Map)responseContent.get("jobExecutionData")).containsKey("id")) |
| throw new NullPointerException("id is not found in jobExecutionData"); |
| return new JobExecutionInfo(responseContent.get("jobId").toString(), ((Map)responseContent.get("jobExecutionData")).get("id").toString()); |
| } catch (URISyntaxException | JsonParseException | JsonMappingException e) { |
| throw new RuntimeException(e); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| |
| public void restartJob(String jobName, String jobId) { |
| URIBuilder uriBuilder = new URIBuilder(baseUrl); |
| uriBuilder.setScheme("http"); |
| uriBuilder.setPath(String.format("%s/%s/%s/executions", uriBuilder.getPath(), jobName, jobId)); |
| uriBuilder.addParameter("operation", "RESTART"); |
| try { |
| HttpResponse httpResponse = execute(new HttpPost(uriBuilder.build())); |
| if (httpResponse.getCode() != 200) |
| throw new RuntimeException(httpResponse.getBody()); |
| } catch (URISyntaxException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public void stopJob(String jobExecutionId) { |
| URIBuilder uriBuilder = new URIBuilder(baseUrl); |
| uriBuilder.setScheme("http"); |
| uriBuilder.setPath(String.format("%s/executions/%s", uriBuilder.getPath(), jobExecutionId)); |
| uriBuilder.addParameter("operation", "STOP"); |
| try { |
| execute(new HttpDelete(uriBuilder.build())); |
| } catch (URISyntaxException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |