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/*
* 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.system;
import com.codahale.metrics.annotation.Timed;
import com.google.common.collect.Lists;
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.apache.shiro.authz.annotation.RequiresPermissions;
import org.graylog2.audit.AuditEventTypes;
import org.graylog2.audit.jersey.AuditEvent;
import org.graylog2.database.NotFoundException;
import org.graylog2.indexer.IndexSet;
import org.graylog2.indexer.IndexSetRegistry;
import org.graylog2.indexer.ranges.CreateNewSingleIndexRangeJob;
import org.graylog2.indexer.ranges.IndexRange;
import org.graylog2.indexer.ranges.IndexRangeService;
import org.graylog2.indexer.ranges.RebuildIndexRangesJob;
import org.graylog2.rest.models.system.indexer.responses.IndexRangeSummary;
import org.graylog2.rest.models.system.indexer.responses.IndexRangesResponse;
import org.graylog2.shared.rest.resources.RestResource;
import org.graylog2.shared.security.RestPermissions;
import org.graylog2.system.jobs.SystemJob;
import org.graylog2.system.jobs.SystemJobConcurrencyException;
import org.graylog2.system.jobs.SystemJobManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotEmpty;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.ForbiddenException;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
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 java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import static org.graylog2.shared.rest.documentation.generator.Generator.CLOUD_VISIBLE;
@RequiresAuthentication
@Api(value = "System/IndexRanges", description = "Index timeranges", tags = {CLOUD_VISIBLE})
@Path("/system/indices/ranges")
public class IndexRangesResource extends RestResource {
private static final Logger LOG = LoggerFactory.getLogger(IndexRangesResource.class);
private final IndexRangeService indexRangeService;
private final RebuildIndexRangesJob.Factory rebuildIndexRangesJobFactory;
private final CreateNewSingleIndexRangeJob.Factory singleIndexRangeJobFactory;
private final IndexSetRegistry indexSetRegistry;
private final SystemJobManager systemJobManager;
@Inject
public IndexRangesResource(IndexRangeService indexRangeService,
RebuildIndexRangesJob.Factory rebuildIndexRangesJobFactory,
CreateNewSingleIndexRangeJob.Factory singleIndexRangeJobFactory,
IndexSetRegistry indexSetRegistry,
SystemJobManager systemJobManager) {
this.indexRangeService = indexRangeService;
this.rebuildIndexRangesJobFactory = rebuildIndexRangesJobFactory;
this.singleIndexRangeJobFactory = singleIndexRangeJobFactory;
this.indexSetRegistry = indexSetRegistry;
this.systemJobManager = systemJobManager;
}
@GET
@Timed
@ApiOperation(value = "Get a list of all index ranges")
@Produces(MediaType.APPLICATION_JSON)
public IndexRangesResponse list() {
final SortedSet all = indexRangeService.findAll();
final List ranges = Lists.newArrayListWithCapacity(all.size());
for (IndexRange range : all) {
if (!isPermitted(RestPermissions.INDEXRANGES_READ, range.indexName())) {
continue;
}
final IndexRangeSummary indexRange = IndexRangeSummary.create(
range.indexName(),
range.begin(),
range.end(),
range.calculatedAt(),
range.calculationDuration()
);
ranges.add(indexRange);
}
return IndexRangesResponse.create(ranges.size(), ranges);
}
@GET
@Path("/{index: [a-z_0-9]+}")
@Timed
@ApiOperation(value = "Show single index range")
@Produces(MediaType.APPLICATION_JSON)
public IndexRangeSummary show(
@ApiParam(name = "index", value = "The name of the Graylog-managed Elasticsearch index", required = true)
@PathParam("index") @NotEmpty String index) throws NotFoundException {
if (!indexSetRegistry.isManagedIndex(index)) {
throw new BadRequestException(index + " is not a Graylog-managed Elasticsearch index.");
}
checkPermission(RestPermissions.INDEXRANGES_READ, index);
final IndexRange indexRange = indexRangeService.get(index);
return IndexRangeSummary.create(
indexRange.indexName(),
indexRange.begin(),
indexRange.end(),
indexRange.calculatedAt(),
indexRange.calculationDuration()
);
}
@POST
@Timed
@Path("/rebuild")
@RequiresPermissions(RestPermissions.INDEXRANGES_REBUILD)
@ApiOperation(value = "Rebuild/sync index range information.",
notes = "This triggers a systemjob that scans every index and stores meta information " +
"about what indices contain messages in what timeranges. It atomically overwrites " +
"already existing meta information.")
@ApiResponses(value = {
@ApiResponse(code = 202, message = "Rebuild/sync systemjob triggered.")
})
@Produces(MediaType.APPLICATION_JSON)
@AuditEvent(type = AuditEventTypes.ES_INDEX_RANGE_UPDATE_JOB)
public Response rebuild() {
submitIndexRangesJob(indexSetRegistry.getAll());
return Response.accepted().build();
}
@POST
@Timed
@Path("/index_set/{indexSetId}/rebuild")
@RequiresPermissions(RestPermissions.INDEXRANGES_REBUILD)
@ApiOperation(value = "Rebuild/sync index range information for the given index set.",
notes = "This triggers a systemjob that scans every index in the given index set and stores meta information " +
"about what indices contain messages in what timeranges. It atomically overwrites " +
"already existing meta information.")
@ApiResponses(value = {
@ApiResponse(code = 202, message = "Rebuild/sync systemjob triggered.")
})
@Produces(MediaType.APPLICATION_JSON)
@AuditEvent(type = AuditEventTypes.ES_INDEX_RANGE_UPDATE_JOB)
public Response rebuildIndexSet(@ApiParam(name = "indexSetId") @PathParam("indexSetId") @NotBlank final String indexSetId) {
final IndexSet indexSet = indexSetRegistry.get(indexSetId)
.orElseThrow(() -> new javax.ws.rs.NotFoundException("Index set <" + indexSetId + "> not found!"));
submitIndexRangesJob(Collections.singleton(indexSet));
return Response.accepted().build();
}
@POST
@Timed
@Path("/{index: [a-z_0-9-]+}/rebuild")
@ApiOperation(value = "Rebuild/sync index range information.",
notes = "This triggers a system job that scans an index and stores meta information " +
"about what indices contain messages in what time ranges. It atomically overwrites " +
"already existing meta information.")
@ApiResponses(value = {
@ApiResponse(code = 202, message = "Rebuild/sync system job triggered.")
})
@Produces(MediaType.APPLICATION_JSON)
@AuditEvent(type = AuditEventTypes.ES_INDEX_RANGE_UPDATE_JOB)
public Response rebuildIndex(
@ApiParam(name = "index", value = "The name of the Graylog-managed Elasticsearch index", required = true)
@PathParam("index") @NotEmpty String index) {
if (!indexSetRegistry.isManagedIndex(index)) {
throw new BadRequestException(index + " is not a Graylog-managed Elasticsearch index.");
}
checkPermission(RestPermissions.INDEXRANGES_REBUILD, index);
final SystemJob rebuildJob = singleIndexRangeJobFactory.create(indexSetRegistry.getAll(), index);
try {
this.systemJobManager.submit(rebuildJob);
} catch (SystemJobConcurrencyException e) {
final String msg = "Concurrency level of this job reached: " + e.getMessage();
LOG.error(msg);
throw new ForbiddenException(msg, e);
}
return Response.accepted().build();
}
private void submitIndexRangesJob(final Set indexSets) {
final SystemJob rebuildJob = rebuildIndexRangesJobFactory.create(indexSets);
try {
this.systemJobManager.submit(rebuildJob);
} catch (SystemJobConcurrencyException e) {
final String errorMsg = "Concurrency level of this job reached: " + e.getMessage();
LOG.error(errorMsg, e);
throw new ForbiddenException(errorMsg);
}
}
}
