| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.metrics.adservice.prototype.core; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.Serializable; |
| import java.net.HttpURLConnection; |
| import java.net.URL; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Base64; |
| |
| public class AmbariServerInterface implements Serializable{ |
| |
| private static final Log LOG = LogFactory.getLog(AmbariServerInterface.class); |
| |
| private String ambariServerHost; |
| private String clusterName; |
| |
| public AmbariServerInterface(String ambariServerHost, String clusterName) { |
| this.ambariServerHost = ambariServerHost; |
| this.clusterName = clusterName; |
| } |
| |
| public int getPointInTimeSensitivity() { |
| |
| String url = constructUri("http", ambariServerHost, "8080", "/api/v1/clusters/" + clusterName + "/alert_definitions?fields=*"); |
| |
| URL obj = null; |
| BufferedReader in = null; |
| |
| try { |
| obj = new URL(url); |
| HttpURLConnection con = (HttpURLConnection) obj.openConnection(); |
| con.setRequestMethod("GET"); |
| |
| String encoded = Base64.getEncoder().encodeToString(("admin:admin").getBytes(StandardCharsets.UTF_8)); |
| con.setRequestProperty("Authorization", "Basic "+encoded); |
| |
| int responseCode = con.getResponseCode(); |
| LOG.info("Sending 'GET' request to URL : " + url); |
| LOG.info("Response Code : " + responseCode); |
| |
| in = new BufferedReader( |
| new InputStreamReader(con.getInputStream())); |
| |
| StringBuilder responseJsonSb = new StringBuilder(); |
| String line; |
| while ((line = in.readLine()) != null) { |
| responseJsonSb.append(line); |
| } |
| |
| // JSONObject jsonObject = new JSONObject(responseJsonSb.toString()); |
| // JSONArray array = jsonObject.getJSONArray("items"); |
| // for(int i = 0 ; i < array.length() ; i++){ |
| // JSONObject alertDefn = array.getJSONObject(i).getJSONObject("AlertDefinition"); |
| // if (alertDefn.get("name") != null && alertDefn.get("name").equals("point_in_time_metrics_anomalies")) { |
| // JSONObject sourceNode = alertDefn.getJSONObject("source"); |
| // JSONArray params = sourceNode.getJSONArray("parameters"); |
| // for(int j = 0 ; j < params.length() ; j++){ |
| // JSONObject param = params.getJSONObject(j); |
| // if (param.get("name").equals("sensitivity")) { |
| // return param.getInt("value"); |
| // } |
| // } |
| // break; |
| // } |
| // } |
| |
| } catch (Exception e) { |
| LOG.error(e); |
| } finally { |
| if (in != null) { |
| try { |
| in.close(); |
| } catch (IOException e) { |
| LOG.warn(e); |
| } |
| } |
| } |
| |
| return -1; |
| } |
| |
| private String constructUri(String protocol, String host, String port, String path) { |
| StringBuilder sb = new StringBuilder(protocol); |
| sb.append("://"); |
| sb.append(host); |
| sb.append(":"); |
| sb.append(port); |
| sb.append(path); |
| return sb.toString(); |
| } |
| |
| // public static void main(String[] args) { |
| // AmbariServerInterface ambariServerInterface = new AmbariServerInterface(); |
| // ambariServerInterface.getPointInTimeSensitivity("avijayan-ams-1.openstacklocal","c1"); |
| // } |
| } |