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/*
* Copyright (C) 2021 Samsung Electronics
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package org.onap.rapp.sleepingcelldetector.service;
import java.util.List;
import java.util.concurrent.TimeUnit;
import javax.annotation.PostConstruct;
import org.onap.rapp.sleepingcelldetector.entity.RicConfiguration;
import org.onap.rapp.sleepingcelldetector.entity.policy.PolicyInstance;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
@Service
public class RicConfigurationManager {
private static final Logger logger = LoggerFactory.getLogger(RicConfigurationManager.class);
private final RicConfigurationHolder ricConfigurationHolder;
private final PolicyInstanceManager policyInstanceManager;
private final PolicyAgentClient policyAgentClient;
public RicConfigurationManager(RicConfigurationHolder ricConfigurationHolder, PolicyAgentClient policyAgentClient,
PolicyInstanceManager policyInstanceManager
) {
this.ricConfigurationHolder = ricConfigurationHolder;
this.policyAgentClient = policyAgentClient;
this.policyInstanceManager = policyInstanceManager;
}
@PostConstruct
private void getRicConfigurations() throws InterruptedException {
logger.info("Policy fetching process started");
boolean ricConfigUploadStatus = false;
while (!ricConfigUploadStatus) {
ricConfigUploadStatus = getRicConfigs();
TimeUnit.SECONDS.sleep(10);
}
}
private boolean getRicConfigs() {
try {
List<String> policyIds = policyAgentClient.getPoliciesIds();
if (policyIds.isEmpty()) {
logger.warn("Problems with ric configuration fetching; Next try in 10 sec");
return false;
}
saveRicConfiguration(policyIds);
policyIds.forEach(this::verifyExistingPolicyInstances);
logger.info("Policy fetching process ended successfully");
return true;
} catch (Exception e) {
logger.error("Problems with ric configuration fetching; Next try in 10 sec: " + e.getMessage());
return false;
}
}
private void saveRicConfiguration(List<String> policyIds) {
policyIds.forEach(policyId -> {
logger.info("Saving ric configurations for policyId {}", policyId);
List<RicConfiguration> ricConfigs = policyAgentClient.getRicConfigurationsByPolicyId(policyId);
ricConfigs.forEach(rc -> ricConfigurationHolder.addRic(rc, policyId));
});
}
private void verifyExistingPolicyInstances(String policyTypeId) {
List<PolicyInstance> policyInstances = policyAgentClient.getPoliciesInstances();
if (policyInstances.isEmpty()) {
logger.info("No policy instances of type {}", policyTypeId);
} else {
policyInstances.stream()
.filter(pi -> pi.getType().equals(policyTypeId))
.forEach(this::addPolicyInstance);
}
}
private void addPolicyInstance(PolicyInstance pi) {
policyInstanceManager.addPolicyInstance(pi);
logger.info("Policy Instance of type {} and id {} added on startup", pi.getType(), pi.getId());
}
}
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