2 * Copyright 2017 ZTE Corporation.
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
14 package org.onap.holmes.rulemgt.dcae;
16 import com.fasterxml.jackson.core.JsonProcessingException;
17 import java.util.List;
18 import javax.ws.rs.client.Client;
19 import javax.ws.rs.client.ClientBuilder;
20 import javax.ws.rs.client.Entity;
21 import javax.ws.rs.client.WebTarget;
22 import javax.ws.rs.core.MediaType;
23 import javax.ws.rs.core.Response;
24 import lombok.extern.slf4j.Slf4j;
25 import org.glassfish.jersey.client.ClientConfig;
26 import org.onap.holmes.common.dcae.DcaeConfigurationQuery;
27 import org.onap.holmes.common.dcae.entity.DcaeConfigurations;
28 import org.onap.holmes.common.dcae.entity.Rule;
29 import org.onap.holmes.common.exception.CorrelationException;
30 import org.onap.holmes.common.utils.JacksonUtil;
31 import org.onap.holmes.common.utils.Md5Util;
32 import org.onap.holmes.rulemgt.bean.request.RuleCreateRequest;
33 import org.onap.holmes.rulemgt.bean.response.RuleQueryListResponse;
34 import org.onap.holmes.rulemgt.bean.response.RuleResult4API;
37 public class DcaeConfigurationPolling implements Runnable {
39 public static long POLLING_PERIOD = 30 * 1000L;
41 private String hostname;
43 private String url = "http://127.0.0.1:9101/api/holmes-rule-mgmt/v1/rule";
45 public DcaeConfigurationPolling(String hostname) {
46 this.hostname = hostname;
49 private String prevConfigMd5 = Md5Util.md5(null);
51 private boolean prevResult = false;
55 DcaeConfigurations dcaeConfigurations = null;
57 dcaeConfigurations = DcaeConfigurationQuery.getDcaeConfigurations(hostname);
58 String md5 = Md5Util.md5(dcaeConfigurations);
59 if (prevResult && prevConfigMd5.equals(md5)){
60 log.info("Operation aborted due to identical Configurations.");
65 } catch (CorrelationException e) {
66 log.error("Failed to fetch DCAE configurations. " + e.getMessage(), e);
67 } catch (JsonProcessingException e) {
68 log.info("Failed to generate the MD5 information for new configurations.", e);
70 if (dcaeConfigurations != null) {
71 RuleQueryListResponse ruleQueryListResponse = getAllCorrelationRules();
72 List<RuleResult4API> ruleResult4APIs = ruleQueryListResponse.getCorrelationRules();
73 deleteAllCorrelationRules(ruleResult4APIs);
75 prevResult = addAllCorrelationRules(dcaeConfigurations);
76 } catch (CorrelationException e) {
77 log.error("Failed to add rules. " + e.getMessage(), e);
83 private RuleQueryListResponse getAllCorrelationRules() {
84 Client client = ClientBuilder.newClient(new ClientConfig());
85 WebTarget webTarget = client.target(url);
86 return webTarget.request("application/json").get()
87 .readEntity(RuleQueryListResponse.class);
90 private boolean addAllCorrelationRules(DcaeConfigurations dcaeConfigurations) throws CorrelationException {
92 for (Rule rule : dcaeConfigurations.getDefaultRules()) {
93 RuleCreateRequest ruleCreateRequest = getRuleCreateRequest(rule);
94 Client client = ClientBuilder.newClient(new ClientConfig());
95 String content = null;
97 content = JacksonUtil.beanToJson(ruleCreateRequest);
98 } catch (JsonProcessingException e) {
99 throw new CorrelationException("Failed to convert the message object to a json string.", e);
101 WebTarget webTarget = client.target(url);
102 Response response = webTarget.request(MediaType.APPLICATION_JSON)
103 .put(Entity.entity(content, MediaType.APPLICATION_JSON));
104 suc = response.getStatus() == 200;
112 private void deleteAllCorrelationRules(List<RuleResult4API> ruleResult4APIs){
113 ruleResult4APIs.forEach(correlationRule ->{
114 Client client = ClientBuilder.newClient(new ClientConfig());
115 WebTarget webTarget = client.target(url + "/" + correlationRule.getRuleId());
116 webTarget.request(MediaType.APPLICATION_JSON).delete();
120 private RuleCreateRequest getRuleCreateRequest(Rule rule) {
121 RuleCreateRequest ruleCreateRequest = new RuleCreateRequest();
122 ruleCreateRequest.setLoopControlName(rule.getLoopControlName());
123 ruleCreateRequest.setRuleName(rule.getName());
124 ruleCreateRequest.setContent(rule.getContents());
125 ruleCreateRequest.setDescription("");
126 ruleCreateRequest.setEnabled(1);
127 return ruleCreateRequest;