diff options
Diffstat (limited to 'controlloop/common/feature-controlloop-management/src/main/java')
2 files changed, 307 insertions, 0 deletions
diff --git a/controlloop/common/feature-controlloop-management/src/main/java/org/onap/policy/drools/apps/controlloop/feature/management/ControlLoopManagementFeature.java b/controlloop/common/feature-controlloop-management/src/main/java/org/onap/policy/drools/apps/controlloop/feature/management/ControlLoopManagementFeature.java new file mode 100644 index 000000000..e9fb811c7 --- /dev/null +++ b/controlloop/common/feature-controlloop-management/src/main/java/org/onap/policy/drools/apps/controlloop/feature/management/ControlLoopManagementFeature.java @@ -0,0 +1,92 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2018 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.apps.controlloop.feature.management; + +import java.util.stream.Stream; +import org.onap.policy.controlloop.params.ControlLoopParams; +import org.onap.policy.drools.features.PolicyEngineFeatureAPI; +import org.onap.policy.drools.system.PolicyController; + +/** + * Control Loop Management Feature. + */ +public class ControlLoopManagementFeature implements PolicyEngineFeatureAPI { + + private static final String FEATURE_NAME = "controlloop-management"; + private static final int SEQNO = 1000; + + /** + * retrieves control loops. + * + * @param controllerName controller name. + * @param sessionName session name. + * @return control loops. + */ + public static Stream<ControlLoopParams> controlLoops(String controllerName, String sessionName) { + PolicyController controller = PolicyController.factory.get(controllerName); + if (controller == null) { + throw new IllegalArgumentException("Invalid Controller Name"); + } + + if (controller.getDrools().getSessionNames().stream().filter(sessionName::equals).count() <= 0) { + throw new IllegalArgumentException("Invalid Session Name"); + } + + return controller.getDrools() + .facts(sessionName, ControlLoopParams.class.getCanonicalName(), false) + .stream() + .filter(c -> c instanceof ControlLoopParams) + .map(c -> (ControlLoopParams) c); + } + + /** + * retrieves a control loop. + * + * @param controllerName controller name. + * @param sessionName session name. + * @param controlLoopName control loop name + * + * @return control loops. + */ + public static ControlLoopParams controlLoop(String controllerName, String sessionName, String controlLoopName) { + return controlLoops(controllerName, sessionName) + .filter(c -> c.getClosedLoopControlName().equals(controlLoopName)) + .findFirst() + .orElse(null); + } + + /** + * {@inheritDoc}. + */ + @Override + public int getSequenceNumber() { + return SEQNO; + } + + /** + * {@inheritDoc}. + */ + @Override + public String getName() { + return FEATURE_NAME; + } + +} diff --git a/controlloop/common/feature-controlloop-management/src/main/java/org/onap/policy/drools/server/restful/RestControlLoopManager.java b/controlloop/common/feature-controlloop-management/src/main/java/org/onap/policy/drools/server/restful/RestControlLoopManager.java new file mode 100644 index 000000000..0b4005a17 --- /dev/null +++ b/controlloop/common/feature-controlloop-management/src/main/java/org/onap/policy/drools/server/restful/RestControlLoopManager.java @@ -0,0 +1,215 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2018 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.io.UnsupportedEncodingException; +import java.net.URLDecoder; +import java.net.URLEncoder; +import java.util.List; +import java.util.stream.Collectors; +import javax.ws.rs.Consumes; +import javax.ws.rs.GET; +import javax.ws.rs.PUT; +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.controlloop.ControlLoopException; +import org.onap.policy.controlloop.params.ControlLoopParams; +import org.onap.policy.controlloop.processor.ControlLoopProcessor; +import org.onap.policy.drools.apps.controlloop.feature.management.ControlLoopManagementFeature; +import org.onap.policy.drools.controller.DroolsController; +import org.onap.policy.drools.system.PolicyController; + +/** + * Telemetry Extensions for Control Loops in the PDP-D. + */ + +@Path("/policy/pdp") +@Produces(MediaType.APPLICATION_JSON) +@Consumes(MediaType.APPLICATION_JSON) +@Api +public class RestControlLoopManager { + + /** + * 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) { + 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) { + return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build(); + } + } + + /** + * GET operational policy. + * + * @param controllerName controller name. + * @param sessionName session name. + * @param controlLoopName control loop name. + * @return operational policy. + */ + @GET + @Path("engine/controllers/{controller}/drools/facts/{session}/controlloops/{controlLoopName}/policy") + @Produces(MediaType.TEXT_PLAIN) + @ApiOperation( value = "Operational Policy", notes = "The policy is in yaml format") + @ApiResponses(value = {@ApiResponse(code = 404, message = "The Control Loop cannot be found"), + @ApiResponse(code = 500, message = "The Control Loop has invalid data")}) + public Response policy( + @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 { + ControlLoopParams controlLoopParams = + ControlLoopManagementFeature.controlLoops(controllerName, sessionName) + .filter(c -> c.getClosedLoopControlName().equals(controlLoopName)) + .findFirst() + .orElse(null); + + if (controlLoopParams == null || controlLoopParams.getControlLoopYaml() == null) { + return Response.status(Response.Status.NOT_FOUND).entity("Policy not found").build(); + } + + return Response.status(Status.OK) + .entity(URLDecoder.decode(controlLoopParams.getControlLoopYaml(), "UTF-8")).build(); + } catch (IllegalArgumentException e) { + return Response.status(Response.Status.NOT_FOUND).entity(e.getMessage()).build(); + } catch (UnsupportedEncodingException e) { + return Response.status(Status.INTERNAL_SERVER_ERROR).entity("Unreadable Policy").build(); + } + } + + /** + * PUT an Operational Policy. + * + * @param controllerName controller name. + * @param sessionName session name. + * @param controlLoopName control loop name. + * @param policy operational policy. + * + * @return operational policy. + */ + + @PUT + @Path("engine/controllers/{controller}/drools/facts/{session}/controlloops/{controlLoopName}/policy") + @Consumes(MediaType.TEXT_PLAIN) + @ApiOperation( value = "Add Operational Policy", notes = "The Operational Policy should be syntactically correct") + @ApiResponses(value = {@ApiResponse(code = 404, message = "The Control Loop cannot be found"), + @ApiResponse(code = 409, message = "The Control Loop exists"), + @ApiResponse(code = 412, message = "The Control Loop Name must be matched in the URL"), + @ApiResponse(code = 406, message = "The Operational Policy is invalid")}) + public Response opOffer( + @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, + @ApiParam(value = "Operational Policy", required = true) String policy) { + + try { + ControlLoopParams controlLoop = + ControlLoopManagementFeature.controlLoop(controllerName, sessionName, controlLoopName); + + if (controlLoop != null) { + return Response.status(Status.CONFLICT).entity(controlLoop).build(); + } + + /* validation */ + + ControlLoopProcessor controlLoopProcessor = new ControlLoopProcessor(policy); + + if (!controlLoopName.equals(controlLoopProcessor.getControlLoop().getControlLoopName())) { + return Response.status(Status.PRECONDITION_FAILED) + .entity("Control Loop Name in URL does not match the Operational Policy") + .build(); + } + + DroolsController controller = PolicyController.factory.get(controllerName).getDrools(); + + controlLoop = new ControlLoopParams(); + controlLoop.setPolicyScope(controller.getGroupId()); + controlLoop.setPolicyName(controller.getArtifactId()); + controlLoop.setPolicyVersion(controller.getVersion()); + controlLoop.setClosedLoopControlName(controlLoopName); + controlLoop.setControlLoopYaml(URLEncoder.encode(policy, "UTF-8")); + + controller.getContainer().insertAll(controlLoop); + return Response.status(Status.OK).entity(controlLoop).build(); + + } catch (IllegalArgumentException i) { + return Response.status(Response.Status.NOT_FOUND).entity(i).build(); + } catch (ControlLoopException | UnsupportedEncodingException e) { + return Response.status(Status.NOT_ACCEPTABLE).entity(e).build(); + } + } +} |