2 * ============LICENSE_START==========================================
4 * ===================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ===================================================================
8 * Unless otherwise specified, all software contained herein is licensed
9 * under the Apache License, Version 2.0 (the "License");
10 * you may not use this software except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
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18 * See the License for the specific language governing permissions and
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21 * Unless otherwise specified, all documentation contained herein is licensed
22 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
23 * you may not use this documentation except in compliance with the License.
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34 * ============LICENSE_END============================================
38 package org.onap.portalapp.portal.service;
40 import java.util.List;
42 import org.onap.portalapp.portal.utils.EcompPortalUtils;
43 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
44 import org.springframework.stereotype.Component;
46 import com.ecwid.consul.ConsulException;
47 import com.orbitz.consul.Consul;
48 import com.orbitz.consul.HealthClient;
49 import com.orbitz.consul.model.health.ServiceHealth;
52 public class ConsulHealthServiceImpl implements ConsulHealthService {
54 private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ConsulHealthServiceImpl.class);
57 public String getServiceLocation(String service, String fallbackPortOnLocalHost) {
59 List<ServiceHealth> nodes = null;
62 Consul consul = Consul.builder().build();
63 HealthClient healthClient = consul.healthClient();
64 nodes = healthClient.getHealthyServiceInstances(service).getResponse();
65 } catch (Exception e) {
66 String localFallbackServiceLocation = EcompPortalUtils.localOrDockerHost() + ":" + fallbackPortOnLocalHost;
67 logger.debug(EELFLoggerDelegate.debugLogger,
68 " problem getting nodes for service {1}. Defaulting to {2}. Exception: {3}", service,
69 localFallbackServiceLocation, e.getMessage());
70 logger.error(EELFLoggerDelegate.errorLogger,
71 " problem getting nodes for service {1}. Defaulting to {2}. Exception: {3}", service,
72 localFallbackServiceLocation, e);
73 return localFallbackServiceLocation;
76 if (nodes == null || nodes.size() == 0) {
77 logger.debug(EELFLoggerDelegate.debugLogger, "No healthy node found in the consul cluster running service " + service
78 + ". Defaulting to localhost");
79 return EcompPortalUtils.localOrDockerHost() + ":" + fallbackPortOnLocalHost;
81 String locationFromConsul;
82 ServiceHealth node = nodes.get(0);
83 locationFromConsul = node.getNode().getNode() + ":" + node.getService().getPort();
84 logger.debug(EELFLoggerDelegate.debugLogger,
85 "Found healthy service location using consul - returning location " + locationFromConsul);
87 // if locationFromConsul is null for some reason (very unlikely at
88 // this point), default to localhost
89 if (null == locationFromConsul || "".equals(locationFromConsul)) {
90 logger.debug(EELFLoggerDelegate.debugLogger,
91 "Couldn't get location from consul for service " + service + ". Defaulting to localhost");
92 return "localhost:" + fallbackPortOnLocalHost;
94 logger.debug(EELFLoggerDelegate.debugLogger, "Found service location from consul for service " + service
95 + ". Location is " + locationFromConsul);
96 return locationFromConsul;
102 public List<ServiceHealth> getAllHealthyNodes(String service) throws ConsulException {
103 Consul consul = Consul.builder().build();
104 HealthClient healthClient = consul.healthClient();
105 return healthClient.getHealthyServiceInstances(service).getResponse();
109 public List<ServiceHealth> getAllNodes(String service) {
110 Consul consul = Consul.builder().build();
111 HealthClient healthClient = consul.healthClient();
112 return healthClient.getAllServiceInstances(service).getResponse();