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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2018-2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.server.restful;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.onap.policy.aai.AaiManager;
import org.onap.policy.controlloop.drl.legacy.ControlLoopParams;
import org.onap.policy.drools.apps.controlloop.feature.management.ControlLoopManagementFeature;
import org.onap.policy.drools.system.PolicyEngine;
import org.onap.policy.drools.system.PolicyEngineConstants;
import org.onap.policy.rest.RestManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Telemetry Extensions for Control Loops in the PDP-D.
*/
@Path("/policy/pdp")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
@Api
public class RestControlLoopManager {
private static final Logger logger = LoggerFactory.getLogger(RestControlLoopManager.class);
/**
* GET control loops.
*
* @param controllerName controller name.
* @param sessionName session name.
* @return list of controller names.
*/
@GET
@Path("engine/controllers/{controller}/drools/facts/{session}/controlloops")
@ApiOperation(value = "Control Loops", notes = "Compact list", responseContainer = "List")
@ApiResponses(value = {@ApiResponse(code = 404, message = "Control Loops cannot be found")})
public Response controlLoops(
@ApiParam(value = "Policy Controller Name", required = true) @PathParam("controller") String controllerName,
@ApiParam(value = "Drools Session Name", required = true) @PathParam("session") String sessionName) {
try {
List<String> controlLoopNames =
ControlLoopManagementFeature.controlLoops(controllerName, sessionName)
.map(ControlLoopParams::getClosedLoopControlName)
.collect(Collectors.toList());
return Response.status(Response.Status.OK).entity(controlLoopNames).build();
} catch (IllegalArgumentException e) {
logger.error("'GET' controlloops threw an exception", e);
return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build();
}
}
/**
* GET control loop.
*
* @param controllerName controller name.
* @param sessionName session name.
* @param controlLoopName control loop name.
* @return control loop.
*/
@GET
@Path("engine/controllers/{controller}/drools/facts/{session}/controlloops/{controlLoopName}")
@ApiOperation(value = "Control Loop", notes = "Control Loop Parameters", responseContainer = "List")
@ApiResponses(value = {@ApiResponse(code = 404, message = "The Control Loop cannot be found")})
public Response controlLoop(
@ApiParam(value = "Policy Controller Name", required = true) @PathParam("controller") String controllerName,
@ApiParam(value = "Drools Session Name", required = true) @PathParam("session") String sessionName,
@ApiParam(value = "Control Loop Name", required = true) @PathParam("controlLoopName") String controlLoopName) {
try {
List<ControlLoopParams> controlLoopParams =
ControlLoopManagementFeature.controlLoops(controllerName, sessionName)
.filter(c -> c.getClosedLoopControlName().equals(controlLoopName))
.collect(Collectors.toList());
return Response.status(Response.Status.OK).entity(controlLoopParams).build();
} catch (IllegalArgumentException e) {
logger.error("'GET' controlloop threw an exception", e);
return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build();
}
}
/**
* AAI Custom Query.
*
* @param vserverId vServer identifier.
* @return query results.
*/
@GET
@Path("engine/tools/controlloops/aai/customQuery/{vserverId}")
@ApiOperation(value = "AAI Custom Query")
public Response aaiCustomQuery(@ApiParam(value = "vserver Identifier") String vserverId) {
PolicyEngine mgr = PolicyEngineConstants.getManager();
return Response
.status(Status.OK)
.entity(new AaiManager(new RestManager())
.getCustomQueryResponse(
mgr.getEnvironmentProperty("aai.url"),
mgr.getEnvironmentProperty("aai.username"),
mgr.getEnvironmentProperty("aai.password"),
UUID.randomUUID(),
vserverId))
.build();
}
}
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