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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 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.clamp.controlloop.runtime.instantiation.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.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoops;
import org.onap.policy.clamp.controlloop.models.messages.rest.instantiation.InstantiationCommand;
import org.onap.policy.clamp.controlloop.models.messages.rest.instantiation.InstantiationResponse;
import org.onap.policy.clamp.controlloop.runtime.instantiation.ControlLoopInstantiationProvider;
import org.onap.policy.clamp.controlloop.runtime.instantiation.InstantiationHandler;
import org.onap.policy.clamp.controlloop.runtime.main.rest.RestController;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.onap.policy.models.errors.concepts.ErrorResponseInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Class to provide REST end points for creating, deleting, query and commanding a control loop definition.
*/
public class InstantiationController extends RestController {
private static final Logger LOGGER = LoggerFactory.getLogger(InstantiationController.class);
// The CL provider for instantiation requests
private final ControlLoopInstantiationProvider provider;
/**
* create Instantiation Controller.
*/
public InstantiationController() {
this.provider = InstantiationHandler.getInstance().getControlLoopInstantiationProvider();
}
/**
* Creates a control loop.
*
* @param requestId request ID used in ONAP logging
* @param controlLoops the control loops
* @return a response
*/
// @formatter:off
@POST
@Path("/instantiation")
@ApiOperation(
value = "Commissions control loop definitions",
notes = "Commissions control loop definitions, returning the control loop IDs",
response = InstantiationResponse.class,
tags = {
"Control Loop Instantiation 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 create(
@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
@ApiParam(value = "Entity Body of Control Loop", required = true) ControlLoops controlLoops) {
try {
InstantiationResponse response = provider.createControlLoops(controlLoops);
return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.OK)), requestId).entity(response)
.build();
} catch (PfModelRuntimeException | PfModelException e) {
LOGGER.warn("creation of control loop failed", e);
return createInstantiationErrorResponse(e, requestId);
}
}
/**
* Queries details of all control loops.
*
* @param requestId request ID used in ONAP logging
* @param name the name of the control loop to get, null for all control loops
* @param version the version of the control loop to get, null for all control loops
* @return the control loops
*/
// @formatter:off
@GET
@Path("/instantiation")
@ApiOperation(value = "Query details of the requested control loops",
notes = "Queries details of the requested control loops, returning all control loop details",
response = ControlLoops.class,
tags = {
"Clamp control loop Instantiation 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 query(
@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
@ApiParam(value = "Control Loop definition name", required = true) @QueryParam("name") String name,
@ApiParam(value = "Control Loop definition version",
required = true) @QueryParam("version") String version) {
try {
ControlLoops response = provider.getControlLoops(name, version);
return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.OK)), requestId).entity(response)
.build();
} catch (PfModelRuntimeException | PfModelException e) {
LOGGER.warn("commisssioning of control loop failed", e);
return createInstantiationErrorResponse(e, requestId);
}
}
/**
* Updates a control loop.
*
* @param requestId request ID used in ONAP logging
* @param controlLoops the control loops
* @return a response
*/
// @formatter:off
@PUT
@Path("/instantiation")
@ApiOperation(
value = "Updates control loop definitions",
notes = "Updates control loop definitions, returning the updated control loop definition IDs",
response = InstantiationResponse.class,
tags = {
"Control Loop Instantiation 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 update(
@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
@ApiParam(value = "Entity Body of Control Loop", required = true) ControlLoops controlLoops) {
try {
InstantiationResponse response = provider.updateControlLoops(controlLoops);
return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.OK)), requestId).entity(response)
.build();
} catch (PfModelRuntimeException | PfModelException e) {
LOGGER.warn("update of control loops failed", e);
return createInstantiationErrorResponse(e, requestId);
}
}
/**
* Deletes a control loop definition.
*
* @param requestId request ID used in ONAP logging
* @param name the name of the control loop to delete
* @param version the version of the control loop to delete
* @return a response
*/
// @formatter:off
@DELETE
@Path("/instantiation")
@ApiOperation(value = "Delete a control loop",
notes = "Deletes a control loop, returning optional error details",
response = InstantiationResponse.class,
tags = {
"Clamp Control Loop Instantiation 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 delete(
@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
@ApiParam(value = "Control Loop definition name", required = true) @QueryParam("name") String name,
@ApiParam(value = "Control Loop definition version", required = true)
@QueryParam("version") String version) {
try {
InstantiationResponse response = provider.deleteControlLoop(name, version);
return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.OK)), requestId).entity(response)
.build();
} catch (PfModelRuntimeException | PfModelException e) {
LOGGER.warn("delete of control loop failed", e);
return createInstantiationErrorResponse(e, requestId);
}
}
/**
* Issues control loop commands to control loops.
*
* @param requestId request ID used in ONAP logging
* @param command the command to issue to control loops
* @return the control loop definitions
*/
// @formatter:off
@PUT
@Path("/instantiation/command")
@ApiOperation(value = "Issue a command to the requested control loops",
notes = "Issues a command to a control loop, ordering a state change on the control loop",
response = InstantiationResponse.class,
tags = {
"Clamp Control Loop Instantiation 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 issueControlLoopCommand(
@HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) UUID requestId,
@ApiParam(value = "Entity Body of control loop command", required = true) InstantiationCommand command) {
try {
InstantiationResponse response = provider.issueControlLoopCommand(command);
return addLoggingHeaders(addVersionControlHeaders(Response.status(Status.ACCEPTED)), requestId)
.entity(response).build();
} catch (PfModelRuntimeException | PfModelException | ControlLoopException e) {
LOGGER.warn("creation of control loop failed", e);
return createInstantiationErrorResponse(e, requestId);
}
}
/**
* create a Instantiation Response from an exception.
* @param e the error
* @param requestId request ID used in ONAP logging
* @return the Instantiation Response
*/
private Response createInstantiationErrorResponse(ErrorResponseInfo e, UUID requestId) {
InstantiationResponse resp = new InstantiationResponse();
resp.setErrorDetails(e.getErrorResponse().getErrorMessage());
return addLoggingHeaders(addVersionControlHeaders(Response.status(e.getErrorResponse().getResponseCode())),
requestId).entity(resp).build();
}
}
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