2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2020 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END============================================
20 * ===================================================================
24 package org.onap.clamp.policy.downloader;
26 import com.att.eelf.configuration.EELFLogger;
27 import com.att.eelf.configuration.EELFManager;
29 import java.util.LinkedHashMap;
30 import java.util.Map.Entry;
32 import org.onap.clamp.clds.client.PolicyEngineServices;
33 import org.onap.clamp.loop.template.PolicyModel;
34 import org.onap.clamp.loop.template.PolicyModelId;
35 import org.onap.clamp.loop.template.PolicyModelsRepository;
36 import org.springframework.beans.factory.annotation.Autowired;
37 import org.springframework.context.annotation.Configuration;
38 import org.springframework.context.annotation.Profile;
39 import org.springframework.scheduling.annotation.Scheduled;
40 import org.yaml.snakeyaml.Yaml;
43 * This class implements a periodic job that is done in the background to
44 * synchronize policy models available on the policy engine and the clamp
45 * database table PolicyModel.
48 @Profile("clamp-policy-controller")
49 public class PolicyDownloader {
51 protected static final EELFLogger logger = EELFManager.getInstance().getLogger(PolicyDownloader.class);
52 protected static final EELFLogger auditLogger = EELFManager.getInstance().getAuditLogger();
53 protected static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
54 public static final String POLICY_RETRY_INTERVAL = "policy.retry.interval";
55 public static final String POLICY_RETRY_LIMIT = "policy.retry.limit";
57 private final PolicyEngineServices policyEngineServices;
58 private final PolicyModelsRepository policyModelsRepository;
61 public PolicyDownloader(PolicyEngineServices policyEngineService, PolicyModelsRepository policyModelsRepository) {
62 this.policyEngineServices = policyEngineService;
63 this.policyModelsRepository = policyModelsRepository;
66 private void createPolicyInDbIfNeeded(PolicyModel policyModel) {
67 if (!policyModelsRepository
68 .existsById(new PolicyModelId(policyModel.getPolicyModelType(), policyModel.getVersion()))) {
69 policyModelsRepository.save(policyModel);
73 @Scheduled(fixedRate = 120000)
74 public void synchronizeAllPolicies() throws InterruptedException {
76 LinkedHashMap<String, Object> loadedYaml = new Yaml().load(policyEngineServices.downloadAllPolicies());
77 if (loadedYaml == null || loadedYaml.isEmpty()) {
79 "getAllPolicyType yaml returned by policy engine could not be decoded, as it's null or empty");
83 LinkedHashMap<String, Object> policyTypesList = (LinkedHashMap<String, Object>) loadedYaml
85 for (Entry<String, Object> policyType : policyTypesList.entrySet()) {
86 createPolicyInDbIfNeeded(policyEngineServices.createPolicyModelFromPolicyEngine(policyType.getKey(),
87 ((String) ((LinkedHashMap<String, Object>) policyType.getValue()).get("version"))));
89 } catch (InterruptedException e) {
90 logger.warn("query to policy engine has been interrupted", e);