2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 AT&T Intellectual Property. 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.
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.drools.server.restful;
23 import io.swagger.annotations.Api;
24 import io.swagger.annotations.ApiOperation;
25 import io.swagger.annotations.ApiParam;
26 import io.swagger.annotations.ApiResponse;
27 import io.swagger.annotations.ApiResponses;
28 import java.io.UnsupportedEncodingException;
29 import java.net.URLDecoder;
30 import java.net.URLEncoder;
31 import java.util.List;
32 import java.util.stream.Collectors;
33 import javax.ws.rs.Consumes;
34 import javax.ws.rs.GET;
35 import javax.ws.rs.PUT;
36 import javax.ws.rs.Path;
37 import javax.ws.rs.PathParam;
38 import javax.ws.rs.Produces;
39 import javax.ws.rs.core.MediaType;
40 import javax.ws.rs.core.Response;
41 import javax.ws.rs.core.Response.Status;
42 import org.onap.policy.controlloop.ControlLoopException;
43 import org.onap.policy.controlloop.params.ControlLoopParams;
44 import org.onap.policy.controlloop.processor.ControlLoopProcessor;
45 import org.onap.policy.drools.apps.controlloop.feature.management.ControlLoopManagementFeature;
46 import org.onap.policy.drools.controller.DroolsController;
47 import org.onap.policy.drools.system.PolicyController;
50 * Telemetry Extensions for Control Loops in the PDP-D.
54 @Produces(MediaType.APPLICATION_JSON)
55 @Consumes(MediaType.APPLICATION_JSON)
57 public class RestControlLoopManager {
62 * @param controllerName controller name.
63 * @param sessionName session name.
64 * @return list of controller names.
67 @Path("engine/controllers/{controller}/drools/facts/{session}/controlloops")
68 @ApiOperation(value = "Control Loops", notes = "Compact list", responseContainer = "List")
69 @ApiResponses(value = {@ApiResponse(code = 404, message = "Control Loops cannot be found")})
70 public Response controlLoops(
71 @ApiParam(value = "Policy Controller Name", required = true) @PathParam("controller") String controllerName,
72 @ApiParam(value = "Drools Session Name", required = true) @PathParam("session") String sessionName) {
75 List<String> controlLoopNames =
76 ControlLoopManagementFeature.controlLoops(controllerName, sessionName)
77 .map(ControlLoopParams::getClosedLoopControlName)
78 .collect(Collectors.toList());
80 return Response.status(Response.Status.OK).entity(controlLoopNames).build();
81 } catch (IllegalArgumentException e) {
82 return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build();
89 * @param controllerName controller name.
90 * @param sessionName session name.
91 * @param controlLoopName control loop name.
92 * @return control loop.
95 @Path("engine/controllers/{controller}/drools/facts/{session}/controlloops/{controlLoopName}")
96 @ApiOperation( value = "Control Loop", notes = "Control Loop Parameters", responseContainer = "List")
97 @ApiResponses(value = {@ApiResponse(code = 404, message = "The Control Loop cannot be found")})
98 public Response controlLoop(
99 @ApiParam(value = "Policy Controller Name", required = true) @PathParam("controller") String controllerName,
100 @ApiParam(value = "Drools Session Name", required = true) @PathParam("session") String sessionName,
101 @ApiParam(value = "Control Loop Name", required = true) @PathParam("controlLoopName") String controlLoopName) {
104 List<ControlLoopParams> controlLoopParams =
105 ControlLoopManagementFeature.controlLoops(controllerName, sessionName)
106 .filter(c -> c.getClosedLoopControlName().equals(controlLoopName))
107 .collect(Collectors.toList());
109 return Response.status(Response.Status.OK).entity(controlLoopParams).build();
110 } catch (IllegalArgumentException e) {
111 return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build();
116 * GET operational policy.
118 * @param controllerName controller name.
119 * @param sessionName session name.
120 * @param controlLoopName control loop name.
121 * @return operational policy.
124 @Path("engine/controllers/{controller}/drools/facts/{session}/controlloops/{controlLoopName}/policy")
125 @Produces(MediaType.TEXT_PLAIN)
126 @ApiOperation( value = "Operational Policy", notes = "The policy is in yaml format")
127 @ApiResponses(value = {@ApiResponse(code = 404, message = "The Control Loop cannot be found"),
128 @ApiResponse(code = 500, message = "The Control Loop has invalid data")})
129 public Response policy(
130 @ApiParam(value = "Policy Controller Name", required = true) @PathParam("controller") String controllerName,
131 @ApiParam(value = "Drools Session Name", required = true) @PathParam("session") String sessionName,
132 @ApiParam(value = "Control Loop Name", required = true) @PathParam("controlLoopName") String controlLoopName) {
135 ControlLoopParams controlLoopParams =
136 ControlLoopManagementFeature.controlLoops(controllerName, sessionName)
137 .filter(c -> c.getClosedLoopControlName().equals(controlLoopName))
141 if (controlLoopParams == null || controlLoopParams.getControlLoopYaml() == null) {
142 return Response.status(Response.Status.NOT_FOUND).entity("Policy not found").build();
145 return Response.status(Status.OK)
146 .entity(URLDecoder.decode(controlLoopParams.getControlLoopYaml(), "UTF-8")).build();
147 } catch (IllegalArgumentException e) {
148 return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build();
149 } catch (UnsupportedEncodingException e) {
150 return Response.status(Status.INTERNAL_SERVER_ERROR).entity("Unreadable Policy").build();
155 * PUT an Operational Policy.
157 * @param controllerName controller name.
158 * @param sessionName session name.
159 * @param controlLoopName control loop name.
160 * @param policy operational policy.
162 * @return operational policy.
166 @Path("engine/controllers/{controller}/drools/facts/{session}/controlloops/{controlLoopName}/policy")
167 @Consumes(MediaType.TEXT_PLAIN)
168 @ApiOperation( value = "Add Operational Policy", notes = "The Operational Policy should be syntactically correct")
169 @ApiResponses(value = {@ApiResponse(code = 404, message = "The Control Loop cannot be found"),
170 @ApiResponse(code = 409, message = "The Control Loop exists"),
171 @ApiResponse(code = 412, message = "The Control Loop Name must be matched in the URL"),
172 @ApiResponse(code = 406, message = "The Operational Policy is invalid")})
173 public Response opOffer(
174 @ApiParam(value = "Policy Controller Name", required = true) @PathParam("controller") String controllerName,
175 @ApiParam(value = "Drools Session Name", required = true) @PathParam("session") String sessionName,
176 @ApiParam(value = "Control Loop Name", required = true) @PathParam("controlLoopName") String controlLoopName,
177 @ApiParam(value = "Operational Policy", required = true) String policy) {
180 ControlLoopParams controlLoop =
181 ControlLoopManagementFeature.controlLoop(controllerName, sessionName, controlLoopName);
183 if (controlLoop != null) {
184 return Response.status(Status.CONFLICT).entity(controlLoop).build();
189 ControlLoopProcessor controlLoopProcessor = new ControlLoopProcessor(policy);
191 if (!controlLoopName.equals(controlLoopProcessor.getControlLoop().getControlLoopName())) {
192 return Response.status(Status.PRECONDITION_FAILED)
193 .entity("Control Loop Name in URL does not match the Operational Policy")
197 DroolsController controller = PolicyController.factory.get(controllerName).getDrools();
199 controlLoop = new ControlLoopParams();
200 controlLoop.setPolicyScope(controller.getGroupId());
201 controlLoop.setPolicyName(controller.getArtifactId());
202 controlLoop.setPolicyVersion(controller.getVersion());
203 controlLoop.setClosedLoopControlName(controlLoopName);
204 controlLoop.setControlLoopYaml(URLEncoder.encode(policy, "UTF-8"));
206 controller.getContainer().insertAll(controlLoop);
207 return Response.status(Status.OK).entity(controlLoop).build();
209 } catch (IllegalArgumentException i) {
210 return Response.status(Response.Status.NOT_FOUND).entity(i).build();
211 } catch (ControlLoopException | UnsupportedEncodingException e) {
212 return Response.status(Status.NOT_ACCEPTABLE).entity(e).build();