org.graylog2.rest.resources.cluster.ClusterMetricsResource 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.NodeNotFoundException;
import org.graylog2.cluster.NodeService;
import org.graylog2.rest.RemoteInterfaceProvider;
import org.graylog2.rest.models.system.metrics.requests.MetricsReadRequest;
import org.graylog2.rest.models.system.metrics.responses.MetricsSummaryResponse;
import org.graylog2.shared.rest.resources.ProxiedResource;
import org.graylog2.shared.rest.resources.system.RemoteMetricsResource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
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/Metrics", description = "Cluster-wide Internal Graylog metrics")
@Path("/cluster/metrics")
@Produces(MediaType.APPLICATION_JSON)
public class ClusterMetricsResource extends ProxiedResource {
@Inject
public ClusterMetricsResource(NodeService nodeService,
RemoteInterfaceProvider remoteInterfaceProvider,
@Context HttpHeaders httpHeaders,
@Named("proxiedRequestsExecutorService") ExecutorService executorService) {
super(httpHeaders, nodeService, remoteInterfaceProvider, executorService);
}
@POST
@Timed
@Path("/multiple")
@ApiOperation(value = "Get all metrics of all nodes in the cluster")
@ApiResponses(value = {
@ApiResponse(code = 400, message = "Malformed body")
})
@NoAuditEvent("only used to retrieve metrics of all nodes")
public Map> multipleMetricsAllNodes(@ApiParam(name = "Requested metrics", required = true)
@Valid @NotNull MetricsReadRequest request) throws IOException, NodeNotFoundException {
return getForAllNodes(remoteMetricsResource -> remoteMetricsResource.multipleMetrics(request), createRemoteInterfaceProvider(RemoteMetricsResource.class));
}
}