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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.pap.main.rest;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import io.swagger.annotations.Authorization;
import io.swagger.annotations.Extension;
import io.swagger.annotations.ExtensionProperty;
import io.swagger.annotations.ResponseHeader;
import java.util.UUID;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.Path;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.apache.commons.lang3.tuple.Pair;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.pdp.concepts.Pdps;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Class to provide REST end point for PAP component to fetch health status of all PDPs registered with PAP.
*
* @author Ram Krishna Verma (ram.krishna.verma@est.tech)
*/
public class PdpGroupHealthCheckControllerV1 extends PapRestControllerV1 {
private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupHealthCheckControllerV1.class);
private final PdpGroupHealthCheckProvider provider = new PdpGroupHealthCheckProvider();
/**
* Returns health status of all PDPs registered with PAP.
*
* @param requestId request ID used in ONAP logging
* @return a response
*/
// @formatter:off
@GET
@Path("pdps/healthcheck")
@ApiOperation(value = "Returns health status of all PDPs registered with PAP",
notes = "Queries health status of all PDPs, returning all pdps health status",
response = Pdps.class,
tags = {"Policy Administration (PAP) API"},
authorizations = @Authorization(value = AUTHORIZATION_TYPE),
responseHeaders = {
@ResponseHeader(name = VERSION_MINOR_NAME, description = VERSION_MINOR_DESCRIPTION,
response = String.class),
@ResponseHeader(name = VERSION_PATCH_NAME, description = VERSION_PATCH_DESCRIPTION,
response = String.class),
@ResponseHeader(name = VERSION_LATEST_NAME, description = VERSION_LATEST_DESCRIPTION,
response = String.class),
@ResponseHeader(name = REQUEST_ID_NAME, description = REQUEST_ID_HDR_DESCRIPTION,
response = UUID.class)},
extensions = {@Extension(name = EXTENSION_NAME,
properties = {@ExtensionProperty(name = API_VERSION_NAME, value = API_VERSION),
@ExtensionProperty(name = LAST_MOD_NAME, value = LAST_MOD_RELEASE)})})
@ApiResponses(value = {@ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
@ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
@ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)})
// @formatter:on
public Response pdpGroupHealthCheck(
@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId) {
try {
final Pair<Status, Pdps> pair = provider.fetchPdpGroupHealthStatus();
return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
.entity(pair.getRight()).build();
} catch (final PfModelException exp) {
LOGGER.info("pdpGroup health check failed", exp);
return addLoggingHeaders(
addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
.entity(exp.getErrorResponse()).build();
}
}
}
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