2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
4 * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
5 * Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.pap.main.rest;
25 import java.util.ArrayList;
26 import java.util.List;
27 import org.apache.commons.lang3.tuple.Pair;
28 import org.onap.policy.common.utils.services.Registry;
29 import org.onap.policy.models.base.PfModelException;
30 import org.onap.policy.models.pdp.concepts.Pdp;
31 import org.onap.policy.models.pdp.concepts.PdpGroup;
32 import org.onap.policy.models.pdp.concepts.PdpSubGroup;
33 import org.onap.policy.models.pdp.concepts.Pdps;
34 import org.onap.policy.models.provider.PolicyModelsProvider;
35 import org.onap.policy.pap.main.PapConstants;
36 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
39 import org.springframework.http.HttpStatus;
40 import org.springframework.stereotype.Service;
43 * Provider for PAP component to to fetch health status of all PDPs registered with PAP.
45 * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
48 public class PdpGroupHealthCheckProvider {
50 private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupHealthCheckProvider.class);
53 * Returns health status of all PDPs.
55 * @return a pair containing the status and the response
56 * @throws PfModelException in case of errors
58 public Pair<HttpStatus, Pdps> fetchPdpGroupHealthStatus() throws PfModelException {
60 final var pdps = new Pdps();
61 final PolicyModelsProviderFactoryWrapper modelProviderWrapper =
62 Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
63 try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
64 final List<PdpGroup> groups = databaseProvider.getPdpGroups(null);
65 final List<Pdp> pdpList = new ArrayList<>();
66 for (final PdpGroup group : groups) {
67 for (final PdpSubGroup subGroup : group.getPdpSubgroups()) {
68 pdpList.addAll(subGroup.getPdpInstances());
71 pdps.setPdpList(pdpList);
73 LOGGER.debug("PdpGroup HealthCheck Response - {}", pdps);
74 return Pair.of(HttpStatus.OK, pdps);