2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
4 * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.pap.main.rest;
24 import java.util.ArrayList;
25 import java.util.List;
26 import javax.ws.rs.core.Response;
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;
41 * Provider for PAP component to to fetch health status of all PDPs registered with PAP.
43 * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
45 public class PdpGroupHealthCheckProvider {
47 private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupHealthCheckProvider.class);
50 * Returns health status of all PDPs.
52 * @return a pair containing the status and the response
53 * @throws PfModelException in case of errors
55 public Pair<Response.Status, Pdps> fetchPdpGroupHealthStatus() throws PfModelException {
57 final var pdps = new Pdps();
58 final PolicyModelsProviderFactoryWrapper modelProviderWrapper =
59 Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
60 try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
61 final List<PdpGroup> groups = databaseProvider.getPdpGroups(null);
62 final List<Pdp> pdpList = new ArrayList<>();
63 for (final PdpGroup group : groups) {
64 for (final PdpSubGroup subGroup : group.getPdpSubgroups()) {
65 pdpList.addAll(subGroup.getPdpInstances());
68 pdps.setPdpList(pdpList);
70 LOGGER.debug("PdpGroup HealthCheck Response - {}", pdps);
71 return Pair.of(Response.Status.OK, pdps);