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/**
* 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.indexer;
import com.codahale.metrics.annotation.Timed;
import com.mongodb.DuplicateKeyException;
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.indexer.IndexSet;
import org.graylog2.indexer.IndexSetRegistry;
import org.graylog2.indexer.IndexSetStatsCreator;
import org.graylog2.indexer.IndexSetValidator;
import org.graylog2.indexer.indexset.DefaultIndexSetConfig;
import org.graylog2.indexer.indexset.IndexSetConfig;
import org.graylog2.indexer.indexset.IndexSetService;
import org.graylog2.indexer.indices.Indices;
import org.graylog2.indexer.indices.jobs.IndexSetCleanupJob;
import org.graylog2.indexer.indices.stats.IndexStatistics;
import org.graylog2.plugin.cluster.ClusterConfigService;
import org.graylog2.rest.resources.system.indexer.requests.IndexSetUpdateRequest;
import org.graylog2.rest.resources.system.indexer.responses.IndexSetResponse;
import org.graylog2.rest.resources.system.indexer.responses.IndexSetStats;
import org.graylog2.rest.resources.system.indexer.responses.IndexSetSummary;
import org.graylog2.shared.rest.resources.RestResource;
import org.graylog2.shared.security.RestPermissions;
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.Valid;
import javax.validation.constraints.NotNull;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.ClientErrorException;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.NotFoundException;
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.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import static java.util.Objects.requireNonNull;
@RequiresAuthentication
@Api(value = "System/IndexSets", description = "Index sets")
@Path("/system/indices/index_sets")
@Produces(MediaType.APPLICATION_JSON)
public class IndexSetsResource extends RestResource {
private static final Logger LOG = LoggerFactory.getLogger(IndexSetsResource.class);
private final Indices indices;
private final IndexSetService indexSetService;
private final IndexSetRegistry indexSetRegistry;
private final IndexSetValidator indexSetValidator;
private final IndexSetCleanupJob.Factory indexSetCleanupJobFactory;
private final IndexSetStatsCreator indexSetStatsCreator;
private final ClusterConfigService clusterConfigService;
private final SystemJobManager systemJobManager;
@Inject
public IndexSetsResource(final Indices indices,
final IndexSetService indexSetService,
final IndexSetRegistry indexSetRegistry,
final IndexSetValidator indexSetValidator,
final IndexSetCleanupJob.Factory indexSetCleanupJobFactory,
final IndexSetStatsCreator indexSetStatsCreator,
final ClusterConfigService clusterConfigService,
final SystemJobManager systemJobManager) {
this.indices = requireNonNull(indices);
this.indexSetService = requireNonNull(indexSetService);
this.indexSetRegistry = indexSetRegistry;
this.indexSetValidator = indexSetValidator;
this.indexSetCleanupJobFactory = requireNonNull(indexSetCleanupJobFactory);
this.indexSetStatsCreator = indexSetStatsCreator;
this.clusterConfigService = clusterConfigService;
this.systemJobManager = systemJobManager;
}
@GET
@Timed
@ApiOperation(value = "Get a list of all index sets")
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
})
public IndexSetResponse list(@ApiParam(name = "skip", value = "The number of elements to skip (offset).", required = true)
@QueryParam("skip") @DefaultValue("0") int skip,
@ApiParam(name = "limit", value = "The maximum number of elements to return.", required = true)
@QueryParam("limit") @DefaultValue("0") int limit,
@ApiParam(name = "stats", value = "Include index set stats.")
@QueryParam("stats") @DefaultValue("false") boolean computeStats) {
final IndexSetConfig defaultIndexSet = indexSetService.getDefault();
List indexSets;
int count;
if (limit > 0) {
// First collect all index set ids the user is allowed to see.
final Set allowedIds = indexSetService.findAll().stream()
.filter(indexSet -> isPermitted(RestPermissions.INDEXSETS_READ, indexSet.id()))
.map(IndexSetConfig::id)
.collect(Collectors.toSet());
indexSets = indexSetService.findPaginated(allowedIds, limit, skip).stream()
.map(config -> IndexSetSummary.fromIndexSetConfig(config, config.equals(defaultIndexSet)))
.collect(Collectors.toList());
count = allowedIds.size();
} else {
indexSets = indexSetService.findAll().stream()
.filter(indexSetConfig -> isPermitted(RestPermissions.INDEXSETS_READ, indexSetConfig.id()))
.map(config -> IndexSetSummary.fromIndexSetConfig(config, config.equals(defaultIndexSet)))
.collect(Collectors.toList());
count = indexSets.size();
}
final Map stats;
if (computeStats) {
stats = indexSetRegistry.getAll().stream()
.collect(Collectors.toMap(indexSet -> indexSet.getConfig().id(), indexSetStatsCreator::getForIndexSet));
} else {
stats = Collections.emptyMap();
}
return IndexSetResponse.create(count, indexSets, stats);
}
@GET
@Path("stats")
@Timed
@ApiOperation(value = "Get stats of all index sets")
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
})
public IndexSetStats globalStats() {
checkPermission(RestPermissions.INDEXSETS_READ);
final Set indexWildcards = indexSetRegistry.getAll().stream()
.map(IndexSet::getIndexWildcard)
.collect(Collectors.toSet());
final Set indicesStats = indices.getIndicesStats(indexWildcards);
final Set closedIndices = indices.getClosedIndices(indexWildcards);
return IndexSetStats.fromIndexStatistics(indicesStats, closedIndices);
}
@GET
@Path("{id}")
@Timed
@ApiOperation(value = "Get index set")
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
@ApiResponse(code = 404, message = "Index set not found"),
})
public IndexSetSummary get(@ApiParam(name = "id", required = true)
@PathParam("id") String id) {
checkPermission(RestPermissions.INDEXSETS_READ, id);
final IndexSetConfig defaultIndexSet = indexSetService.getDefault();
return indexSetService.get(id)
.map(config -> IndexSetSummary.fromIndexSetConfig(config, config.equals(defaultIndexSet)))
.orElseThrow(() -> new NotFoundException("Couldn't load index set with ID <" + id + ">"));
}
@GET
@Path("{id}/stats")
@Timed
@ApiOperation(value = "Get index set statistics")
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
@ApiResponse(code = 404, message = "Index set not found"),
})
public IndexSetStats indexSetStatistics(@ApiParam(name = "id", required = true)
@PathParam("id") String id) {
checkPermission(RestPermissions.INDEXSETS_READ, id);
return indexSetRegistry.get(id)
.map(indexSetStatsCreator::getForIndexSet)
.orElseThrow(() -> new NotFoundException("Couldn't load index set with ID <" + id + ">"));
}
@POST
@Timed
@ApiOperation(value = "Create index set")
@RequiresPermissions(RestPermissions.INDEXSETS_CREATE)
@Consumes(MediaType.APPLICATION_JSON)
@AuditEvent(type = AuditEventTypes.INDEX_SET_CREATE)
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
})
public IndexSetSummary save(@ApiParam(name = "Index set configuration", required = true)
@Valid @NotNull IndexSetSummary indexSet) {
try {
final IndexSetConfig indexSetConfig = indexSet.toIndexSetConfig();
final Optional violation = indexSetValidator.validate(indexSetConfig);
if (violation.isPresent()) {
throw new BadRequestException(violation.get().message());
}
final IndexSetConfig savedObject = indexSetService.save(indexSetConfig);
final IndexSetConfig defaultIndexSet = indexSetService.getDefault();
return IndexSetSummary.fromIndexSetConfig(savedObject, savedObject.equals(defaultIndexSet));
} catch (DuplicateKeyException e) {
throw new BadRequestException(e.getMessage());
}
}
@PUT
@Path("{id}")
@Timed
@ApiOperation(value = "Update index set")
@AuditEvent(type = AuditEventTypes.INDEX_SET_UPDATE)
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
@ApiResponse(code = 409, message = "Mismatch of IDs in URI path and payload"),
})
public IndexSetSummary update(@ApiParam(name = "id", required = true)
@PathParam("id") String id,
@ApiParam(name = "Index set configuration", required = true)
@Valid @NotNull IndexSetUpdateRequest updateRequest) {
checkPermission(RestPermissions.INDEXSETS_EDIT, id);
final IndexSetConfig oldConfig = indexSetService.get(id)
.orElseThrow(() -> new NotFoundException("Index set <" + id + "> not found"));
final IndexSetConfig defaultIndexSet = indexSetService.getDefault();
final boolean isDefaultSet = oldConfig.equals(defaultIndexSet);
if (isDefaultSet && !updateRequest.isWritable()) {
throw new ClientErrorException("Default index set must be writable.", Response.Status.CONFLICT);
}
final IndexSetConfig savedObject = indexSetService.save(updateRequest.toIndexSetConfig(id, oldConfig));
return IndexSetSummary.fromIndexSetConfig(savedObject, isDefaultSet);
}
@PUT
@Path("{id}/default")
@Timed
@ApiOperation(value = "Set default index set")
@AuditEvent(type = AuditEventTypes.INDEX_SET_UPDATE)
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
})
public IndexSetSummary setDefault(@ApiParam(name = "id", required = true)
@PathParam("id") String id) {
checkPermission(RestPermissions.INDEXSETS_EDIT, id);
final IndexSetConfig indexSet = indexSetService.get(id)
.orElseThrow(() -> new NotFoundException("Index set <" + id + "> does not exist"));
if (!indexSet.isWritable()) {
throw new ClientErrorException("Default index set must be writable.", Response.Status.CONFLICT);
}
clusterConfigService.write(DefaultIndexSetConfig.create(indexSet.id()));
final IndexSetConfig defaultIndexSet = indexSetService.getDefault();
return IndexSetSummary.fromIndexSetConfig(indexSet, indexSet.equals(defaultIndexSet));
}
@DELETE
@Path("{id}")
@Timed
@ApiOperation(value = "Delete index set")
@AuditEvent(type = AuditEventTypes.INDEX_SET_DELETE)
@ApiResponses(value = {
@ApiResponse(code = 403, message = "Unauthorized"),
@ApiResponse(code = 404, message = "Index set not found"),
})
public void delete(@ApiParam(name = "id", required = true)
@PathParam("id") String id,
@ApiParam(name = "delete_indices")
@QueryParam("delete_indices") @DefaultValue("true") boolean deleteIndices) {
checkPermission(RestPermissions.INDEXSETS_DELETE, id);
final IndexSet indexSet = getIndexSet(indexSetRegistry, id);
final IndexSet defaultIndexSet = indexSetRegistry.getDefault();
if (indexSet.equals(defaultIndexSet)) {
throw new BadRequestException("Default index set <" + indexSet.getConfig().id() + "> cannot be deleted!");
}
if (indexSetService.delete(id) == 0) {
throw new NotFoundException("Couldn't delete index set with ID <" + id + ">");
} else {
if (deleteIndices) {
try {
systemJobManager.submit(indexSetCleanupJobFactory.create(indexSet));
} catch (SystemJobConcurrencyException e) {
LOG.error("Error running system job", e);
}
}
}
}
}
