2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019,2021 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
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.pap.main.rest;
23 import io.swagger.annotations.ApiOperation;
24 import io.swagger.annotations.ApiParam;
25 import io.swagger.annotations.ApiResponse;
26 import io.swagger.annotations.ApiResponses;
27 import io.swagger.annotations.Authorization;
28 import io.swagger.annotations.Extension;
29 import io.swagger.annotations.ExtensionProperty;
30 import io.swagger.annotations.ResponseHeader;
31 import java.util.UUID;
32 import javax.ws.rs.GET;
33 import javax.ws.rs.HeaderParam;
34 import javax.ws.rs.Path;
35 import javax.ws.rs.core.Response;
36 import javax.ws.rs.core.Response.Status;
37 import org.apache.commons.lang3.tuple.Pair;
38 import org.onap.policy.models.base.PfModelException;
39 import org.onap.policy.models.pdp.concepts.Pdps;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
44 * Class to provide REST end point for PAP component to fetch health status of all PDPs registered with PAP.
46 * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
48 public class PdpGroupHealthCheckControllerV1 extends PapRestControllerV1 {
50 private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupHealthCheckControllerV1.class);
52 private final PdpGroupHealthCheckProvider provider = new PdpGroupHealthCheckProvider();
55 * Returns health status of all PDPs registered with PAP.
57 * @param requestId request ID used in ONAP logging
62 @Path("pdps/healthcheck")
63 @ApiOperation(value = "Returns health status of all PDPs registered with PAP",
64 notes = "Queries health status of all PDPs, returning all pdps health status",
65 response = Pdps.class,
66 tags = {"Policy Administration (PAP) API"},
67 authorizations = @Authorization(value = AUTHORIZATION_TYPE),
69 @ResponseHeader(name = VERSION_MINOR_NAME, description = VERSION_MINOR_DESCRIPTION,
70 response = String.class),
71 @ResponseHeader(name = VERSION_PATCH_NAME, description = VERSION_PATCH_DESCRIPTION,
72 response = String.class),
73 @ResponseHeader(name = VERSION_LATEST_NAME, description = VERSION_LATEST_DESCRIPTION,
74 response = String.class),
75 @ResponseHeader(name = REQUEST_ID_NAME, description = REQUEST_ID_HDR_DESCRIPTION,
76 response = UUID.class)},
78 @Extension(name = EXTENSION_NAME,
80 @ExtensionProperty(name = API_VERSION_NAME, value = API_VERSION),
81 @ExtensionProperty(name = LAST_MOD_NAME, value = LAST_MOD_RELEASE)
84 @ApiResponses(value = {
85 @ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
86 @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
87 @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)
91 public Response pdpGroupHealthCheck(
92 @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
95 final Pair<Status, Pdps> pair = provider.fetchPdpGroupHealthStatus();
96 return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
97 .entity(pair.getRight()).build();
98 } catch (final PfModelException exp) {
99 LOGGER.info("pdpGroup health check failed", exp);
100 return addLoggingHeaders(
101 addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
102 .entity(exp.getErrorResponse()).build();