001/* 002 * (C) Copyright 2017 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Mariana Cedica 018 */ 019package org.nuxeo.elasticsearch.status; 020 021import java.util.List; 022 023import org.elasticsearch.cluster.health.ClusterHealthStatus; 024import org.nuxeo.ecm.core.management.api.Probe; 025import org.nuxeo.ecm.core.management.api.ProbeStatus; 026import org.nuxeo.elasticsearch.api.ElasticSearchAdmin; 027import org.nuxeo.runtime.api.Framework; 028 029/** 030 * Probe to check the status of the ES cluster. Returns success if the cluster is GREEN or YELLOW, Failure otherwise 031 * 032 * @since 9.3 033 */ 034public class ElasticSearchStatusProbe implements Probe { 035 036 @Override 037 public ProbeStatus run() { 038 String[] indices = getIndexNames(); 039 ClusterHealthStatus clusterStatus = Framework.getService(ElasticSearchAdmin.class).getClient().getHealthStatus( 040 indices); 041 switch (clusterStatus) { 042 case GREEN: 043 case YELLOW: 044 return ProbeStatus.newSuccess(clusterStatus.toString()); 045 default: 046 return ProbeStatus.newFailure(clusterStatus.toString()); 047 } 048 } 049 050 protected String[] getIndexNames() { 051 ElasticSearchAdmin esa = Framework.getService(ElasticSearchAdmin.class); 052 List<String> repositoryNames = Framework.getService(ElasticSearchAdmin.class).getRepositoryNames(); 053 String indices[] = new String[repositoryNames.size()]; 054 int i = 0; 055 for (String repo : repositoryNames) { 056 indices[i++] = esa.getIndexNameForRepository(repo); 057 } 058 return indices; 059 } 060 061}