org.graylog2.rest.resources.system.MessageProcessorsResource Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog 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.
*
* Graylog 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 Graylog. If not, see .
*/
package org.graylog2.rest.resources.system;
import com.codahale.metrics.annotation.Timed;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.apache.shiro.authz.annotation.RequiresAuthentication;
import org.graylog2.audit.AuditEventTypes;
import org.graylog2.audit.jersey.AuditEvent;
import org.graylog2.messageprocessors.MessageProcessorsConfig;
import org.graylog2.messageprocessors.MessageProcessorsConfigWithDescriptors;
import org.graylog2.plugin.cluster.ClusterConfigService;
import org.graylog2.plugin.messageprocessors.MessageProcessor;
import org.graylog2.shared.rest.resources.RestResource;
import org.graylog2.shared.security.RestPermissions;
import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import java.util.Set;
import java.util.stream.Collectors;
@RequiresAuthentication
@Api(value = "System/MessageProcessors", description = "Manage message processors")
@Path("/system/messageprocessors")
@Produces(MediaType.APPLICATION_JSON)
public class MessageProcessorsResource extends RestResource {
private final Set processorClassNames;
private final ClusterConfigService clusterConfigService;
private final Set processorDescriptors;
@Inject
public MessageProcessorsResource(final Set processorDescriptors,
final ClusterConfigService clusterConfigService) {
this.processorDescriptors = processorDescriptors;
this.processorClassNames = processorDescriptors.stream()
.map(MessageProcessor.Descriptor::className)
.collect(Collectors.toSet());
this.clusterConfigService = clusterConfigService;
}
@GET
@Timed
@ApiOperation(value = "Get message processor configuration")
@Path("config")
public MessageProcessorsConfigWithDescriptors config() {
checkPermission(RestPermissions.CLUSTER_CONFIG_ENTRY_READ);
final MessageProcessorsConfig config = clusterConfigService.getOrDefault(MessageProcessorsConfig.class,
MessageProcessorsConfig.defaultConfig());
return MessageProcessorsConfigWithDescriptors.fromConfig(config.withProcessors(processorClassNames), processorDescriptors);
}
@PUT
@Timed
@ApiOperation(value = "Update message processor configuration")
@Path("config")
@AuditEvent(type = AuditEventTypes.MESSAGE_PROCESSOR_CONFIGURATION_UPDATE)
public MessageProcessorsConfigWithDescriptors updateConfig(@ApiParam(name = "config", required = true) final MessageProcessorsConfigWithDescriptors configWithDescriptors) {
checkPermission(RestPermissions.CLUSTER_CONFIG_ENTRY_EDIT);
final MessageProcessorsConfig config = configWithDescriptors.toConfig();
clusterConfigService.write(config.withProcessors(processorClassNames));
return configWithDescriptors;
}
}