Merge "Publish trust level notification event"
[cps.git] / cps-ncmp-service / src / main / java / org / onap / cps / ncmp / api / impl / trustlevel / dmiavailability / DmiPluginWatchDog.java
1 /*
2  * ============LICENSE_START=======================================================
3  *  Copyright (C) 2023 Nordix Foundation
4  *  ================================================================================
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at
8  *
9  *        http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  *  SPDX-License-Identifier: Apache-2.0
18  *  ============LICENSE_END=========================================================
19  */
20
21 package org.onap.cps.ncmp.api.impl.trustlevel.dmiavailability;
22
23 import java.util.Collection;
24 import java.util.Map;
25 import lombok.RequiredArgsConstructor;
26 import lombok.extern.slf4j.Slf4j;
27 import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
28 import org.onap.cps.ncmp.api.impl.client.DmiRestClient;
29 import org.onap.cps.ncmp.api.impl.trustlevel.TrustLevel;
30 import org.onap.cps.ncmp.api.impl.trustlevel.TrustLevelManager;
31 import org.springframework.scheduling.annotation.Scheduled;
32 import org.springframework.stereotype.Service;
33
34 @Slf4j
35 @RequiredArgsConstructor
36 @Service
37 public class DmiPluginWatchDog {
38
39     private final DmiRestClient dmiRestClient;
40     private final NetworkCmProxyDataService networkCmProxyDataService;
41     private final TrustLevelManager trustLevelManager;
42     private final Map<String, TrustLevel> trustLevelPerDmiPlugin;
43
44     /**
45      * This class monitors the trust level of all DMI plugin by checking the health status
46      * the resulting trustlevel wil be stored in the relevant cache.
47      * The @fixedDelayString is the time interval, in milliseconds, between consecutive checks.
48      */
49     @Scheduled(fixedDelayString = "${ncmp.timers.trust-evel.dmi-availability-watchdog-ms:30000}")
50     public void checkDmiAvailability() {
51         trustLevelPerDmiPlugin.entrySet().forEach(entry -> {
52             final TrustLevel newDmiTrustLevel;
53             final TrustLevel oldDmiTrustLevel = entry.getValue();
54             final String dmiServiceName = entry.getKey();
55             final String dmiHealthStatus = getDmiHealthStatus(dmiServiceName);
56             log.debug("The health status for dmi-plugin: {} is {}", dmiServiceName, dmiHealthStatus);
57
58             if ("UP".equals(dmiHealthStatus)) {
59                 newDmiTrustLevel = TrustLevel.COMPLETE;
60             } else {
61                 newDmiTrustLevel = TrustLevel.NONE;
62             }
63
64             if (oldDmiTrustLevel.equals(newDmiTrustLevel)) {
65                 log.debug("The Dmi Plugin: {} has already the same trust level: {}", dmiServiceName,
66                         newDmiTrustLevel);
67             } else {
68                 trustLevelPerDmiPlugin.put(dmiServiceName, newDmiTrustLevel);
69
70                 final Collection<String> notificationCandidateCmHandleIds =
71                     networkCmProxyDataService.getAllCmHandleIdsByDmiPluginIdentifier(dmiServiceName);
72                 for (final String cmHandleId: notificationCandidateCmHandleIds) {
73                     trustLevelManager.handleUpdateOfTrustLevels(cmHandleId, newDmiTrustLevel.name());
74                 }
75             }
76         });
77     }
78
79     private String getDmiHealthStatus(final String dmiServiceName) {
80         return dmiRestClient.getDmiHealthStatus(dmiServiceName);
81     }
82 }