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/*******************************************************************************
* Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
* This file is part of Gluster Management Gateway.
*
* Gluster Management Gateway is free software; you can redistribute
* it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Gluster Management Gateway is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*******************************************************************************/
package org.gluster.storage.management.gateway.resources.v1_0;
import static org.gluster.storage.management.core.constants.RESTConstants.FORM_PARAM_CLUSTER_NAME;
import static org.gluster.storage.management.core.constants.RESTConstants.FORM_PARAM_SERVER_NAME;
import static org.gluster.storage.management.core.constants.RESTConstants.PATH_PARAM_CLUSTER_NAME;
import static org.gluster.storage.management.core.constants.RESTConstants.RESOURCE_PATH_CLUSTERS;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.DELETE;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
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 org.gluster.storage.management.core.exceptions.GlusterValidationException;
import org.gluster.storage.management.core.response.ClusterNameListResponse;
import org.gluster.storage.management.gateway.data.ClusterInfo;
import org.gluster.storage.management.gateway.services.ClusterService;
import org.springframework.stereotype.Component;
import com.sun.jersey.api.core.InjectParam;
import com.sun.jersey.spi.resource.Singleton;
/**
*
*/
@Component
@Singleton
@Path(RESOURCE_PATH_CLUSTERS)
public class ClustersResource extends AbstractResource {
@InjectParam
private ClusterService clusterService;
@GET
@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public ClusterNameListResponse getClusters() {
List<ClusterInfo> clusters = clusterService.getAllClusters();
List<String> clusterList = new ArrayList<String>();
for (ClusterInfo cluster : clusters) {
clusterList.add(cluster.getName());
}
return new ClusterNameListResponse(clusterList);
}
@POST
public Response createCluster(@FormParam(FORM_PARAM_CLUSTER_NAME) String clusterName) {
if(clusterName == null || clusterName.isEmpty()) {
throw new GlusterValidationException("Parameter [" + FORM_PARAM_CLUSTER_NAME + "] is missing in request!");
}
if(clusterService.getCluster(clusterName) != null) {
throw new GlusterValidationException("Cluster [" + clusterName + "] already exists!");
}
clusterService.createCluster(clusterName);
return createdResponse(clusterName);
}
@PUT
public Response registerCluster(@FormParam(FORM_PARAM_CLUSTER_NAME) String clusterName,
@FormParam(FORM_PARAM_SERVER_NAME) String knownServer) {
if(clusterName == null || clusterName.isEmpty()) {
throw new GlusterValidationException("Parameter [" + FORM_PARAM_CLUSTER_NAME + "] is missing in request!");
}
if(knownServer == null || knownServer.isEmpty()) {
throw new GlusterValidationException("Parameter [" + FORM_PARAM_SERVER_NAME + "] is missing in request!");
}
if(clusterService.getCluster(clusterName) != null) {
throw new GlusterValidationException("Cluster [" + clusterName + "] already exists!");
}
ClusterInfo mappedCluster = clusterService.getClusterForServer(knownServer);
if(mappedCluster != null) {
throw new GlusterValidationException("Server [" + knownServer + "] is already present in cluster ["
+ mappedCluster.getName() + "]!");
}
clusterService.registerCluster(clusterName, knownServer);
return noContentResponse(clusterName);
}
@Path("{" + PATH_PARAM_CLUSTER_NAME + "}")
@DELETE
public Response unregisterCluster(@PathParam(PATH_PARAM_CLUSTER_NAME) String clusterName) {
if(clusterName == null || clusterName.isEmpty()) {
throw new GlusterValidationException("Parameter [" + FORM_PARAM_CLUSTER_NAME + "] is missing in request!");
}
ClusterInfo cluster = clusterService.getCluster(clusterName);
if(cluster == null) {
throw new GlusterValidationException("Cluster [" + clusterName + "] does not exist!");
}
clusterService.unregisterCluster(cluster);
return noContentResponse();
}
}
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