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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.client.deployment.rest;
import com.google.gson.JsonObject;
import java.io.InputStream;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.media.multipart.FormDataParam;
import org.onap.policy.apex.core.deployment.ApexDeploymentException;
import org.onap.policy.apex.core.deployment.EngineServiceFacade;
import org.slf4j.ext.XLogger;
import org.slf4j.ext.XLoggerFactory;
/**
* The class represents the root resource exposed at the base URL<br>
*
* <p>The url to access this resource would be in the form {@code <baseURL>/rest/....} <br>
* For example: a GET request to the following URL
* {@code http://localhost:18989/apexservices/rest/?hostName=localhost&port=12345}
*
* <p><b>Note:</b> An allocated {@code hostName} and {@code port} query parameter must be included in all requests.
* Datasets for different {@code hostName} are completely isolated from one another.
*
*/
@Path("deployment/")
@Produces({ MediaType.APPLICATION_JSON })
@Consumes({ MediaType.APPLICATION_JSON })
public class ApexDeploymentRestResource {
// Get a reference to the logger
private static final XLogger LOGGER = XLoggerFactory.getXLogger(ApexDeploymentRestResource.class);
/**
* Query the engine service for data.
*
* @param hostName the host name of the engine service to connect to.
* @param port the port number of the engine service to connect to.
* @return a Response object containing the engines service, status and context data in JSON
*/
@GET
public Response createSession(@QueryParam("hostName") final String hostName, @QueryParam("port") final int port) {
final String host = hostName + ":" + port;
final EngineServiceFacade engineServiceFacade = getEngineServiceFacade(hostName, port);
try {
engineServiceFacade.init();
} catch (final ApexDeploymentException e) {
final String errorMessage = "Error connecting to Apex Engine Service at " + host;
LOGGER.warn(errorMessage + "<br>", e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(errorMessage + "\n" + e.getMessage())
.build();
}
final JsonObject responseObject = new JsonObject();
// Engine Service data
responseObject.addProperty("engine_id", engineServiceFacade.getKey().getId());
responseObject.addProperty("model_id",
engineServiceFacade.getApexModelKey() != null ? engineServiceFacade.getApexModelKey().getId()
: "Not Set");
responseObject.addProperty("server", hostName);
responseObject.addProperty("port", Integer.toString(port));
return Response.ok(responseObject.toString(), MediaType.APPLICATION_JSON).build();
}
/**
* Upload a model.
*
* @param hostName the host name of the engine service to connect to.
* @param port the port number of the engine service to connect to.
* @param uploadedInputStream input stream
* @param fileDetail details on the file
* @param ignoreConflicts conflict policy
* @param forceUpdate update policy
* @return a response object in plain text confirming the upload was successful
*/
@POST
@Path("modelupload/")
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response modelUpload(@FormDataParam("hostName") final String hostName, @FormDataParam("port") final int port,
@FormDataParam("file") final InputStream uploadedInputStream,
@FormDataParam("fileName") final String fileName,
@FormDataParam("ignoreConflicts") final boolean ignoreConflicts,
@FormDataParam("forceUpdate") final boolean forceUpdate) {
final EngineServiceFacade engineServiceFacade = getEngineServiceFacade(hostName, port);
try {
engineServiceFacade.init();
} catch (final ApexDeploymentException e) {
final String errorMessage = "Error connecting to Apex Engine Service at " + hostName + ":" + port;
LOGGER.warn(errorMessage + "<br>", e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(errorMessage + "\n" + e.getMessage())
.build();
}
try {
engineServiceFacade.deployModel(fileName, uploadedInputStream, ignoreConflicts, forceUpdate);
} catch (final Exception e) {
LOGGER.warn("Error updating model on engine service " + engineServiceFacade.getKey().getId(), e);
final String errorMessage =
"Error updating model on engine service " + engineServiceFacade.getKey().getId();
LOGGER.warn(errorMessage + "<br>", e);
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(errorMessage + "\n" + e.getMessage())
.build();
}
return Response.ok("Model " + fileName + " deployed on engine service "
+ engineServiceFacade.getKey().getId()).build();
}
/**
* Get an engine service facade for sending REST requests. This method is package because it is used by unit test.
*
* @param hostName the host name of the Apex engine
* @param port the port of the Apex engine
* @return the engine service facade
*/
protected EngineServiceFacade getEngineServiceFacade(final String hostName, final int port) {
return new EngineServiceFacade(hostName, port);
}
}
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