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.api.NuxeoException; 025import org.nuxeo.elasticsearch.api.ElasticSearchAdmin; 026import org.nuxeo.runtime.api.Framework; 027import org.nuxeo.runtime.management.api.Probe; 028import org.nuxeo.runtime.management.api.ProbeStatus; 029 030/** 031 * Probe to check the status of the ES cluster. Returns success if the cluster is GREEN or YELLOW, Failure otherwise 032 * 033 * @since 9.3 034 */ 035public class ElasticSearchStatusProbe implements Probe { 036 037 @Override 038 public ProbeStatus run() { 039 String[] indices = getIndexNames(); 040 try { 041 ClusterHealthStatus clusterStatus = Framework.getService(ElasticSearchAdmin.class) 042 .getClient() 043 .getHealthStatus(indices); 044 switch (clusterStatus) { 045 case GREEN: 046 case YELLOW: 047 return ProbeStatus.newSuccess(clusterStatus.toString()); 048 default: 049 return ProbeStatus.newFailure(clusterStatus.toString()); 050 } 051 } catch (NuxeoException e) { 052 return ProbeStatus.newError(e); 053 } 054 } 055 056 protected String[] getIndexNames() { 057 ElasticSearchAdmin esa = Framework.getService(ElasticSearchAdmin.class); 058 List<String> repositoryNames = Framework.getService(ElasticSearchAdmin.class).getRepositoryNames(); 059 String indices[] = new String[repositoryNames.size()]; 060 int i = 0; 061 for (String repo : repositoryNames) { 062 indices[i++] = esa.getIndexNameForRepository(repo); 063 } 064 return indices; 065 } 066 067}