org.graylog2.rest.resources.cluster.ClusterLoggersResource Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog2.rest.resources.cluster;
import com.codahale.metrics.annotation.Timed;
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 org.apache.shiro.authz.annotation.RequiresAuthentication;
import org.graylog2.audit.jersey.NoAuditEvent;
import org.graylog2.cluster.Node;
import org.graylog2.cluster.NodeNotFoundException;
import org.graylog2.cluster.NodeService;
import org.graylog2.rest.RemoteInterfaceProvider;
import org.graylog2.rest.models.system.loggers.responses.LoggersSummary;
import org.graylog2.rest.models.system.loggers.responses.SubsystemSummary;
import org.graylog2.rest.resources.system.logs.RemoteLoggersResource;
import org.graylog2.shared.rest.resources.ProxiedResource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.validation.constraints.NotEmpty;
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.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import java.io.IOException;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ExecutorService;
@RequiresAuthentication
@Api(value = "Cluster/System/Loggers", description = "Cluster-wide access to internal Graylog loggers")
@Path("/cluster/system/loggers")
public class ClusterLoggersResource extends ProxiedResource {
@Inject
public ClusterLoggersResource(NodeService nodeService,
RemoteInterfaceProvider remoteInterfaceProvider,
@Context HttpHeaders httpHeaders,
@Named("proxiedRequestsExecutorService") ExecutorService executorService) throws NodeNotFoundException {
super(httpHeaders, nodeService, remoteInterfaceProvider, executorService);
}
@GET
@Timed
@ApiOperation(value = "List all loggers of all nodes and their current levels")
@Produces(MediaType.APPLICATION_JSON)
public Map> loggers() {
return getForAllNodes(RemoteLoggersResource::loggers, createRemoteInterfaceProvider(RemoteLoggersResource.class));
}
@GET
@Timed
@Path("/subsystems")
@ApiOperation(value = "List all logger subsystems and their current levels")
@Produces(MediaType.APPLICATION_JSON)
public Map> subsystems() {
return getForAllNodes(RemoteLoggersResource::subsystems, createRemoteInterfaceProvider(RemoteLoggersResource.class));
}
@PUT
@Timed
@Path("/{nodeId}/subsystems/{subsystem}/level/{level}")
@ApiOperation(value = "Set the loglevel of a whole subsystem",
notes = "Provided level is falling back to DEBUG if it does not exist")
@ApiResponses(value = {
@ApiResponse(code = 404, message = "No such subsystem.")
})
@NoAuditEvent("proxy resource, audit event will be emitted on target nodes")
public void setSubsystemLoggerLevel(
@ApiParam(name = "nodeId", required = true) @PathParam("nodeId") @NotEmpty String nodeId,
@ApiParam(name = "subsystem", required = true) @PathParam("subsystem") @NotEmpty String subsystemTitle,
@ApiParam(name = "level", required = true) @PathParam("level") @NotEmpty String level) throws NodeNotFoundException, IOException {
final Node node = this.nodeService.byNodeId(nodeId);
final RemoteLoggersResource remoteLoggersResource = this.remoteInterfaceProvider.get(node, this.authenticationToken, RemoteLoggersResource.class);
remoteLoggersResource.setSubsystemLoggerLevel(subsystemTitle, level).execute();
}
}