Vladsz83 commented on code in PR #13577: URL: https://github.com/apache/ignite/pull/13577#discussion_r4102708648
########## modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotDeleteProcess.java: ########## @@ -0,0 +1,392 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.internal.processors.cache.persistence.snapshot; + +import java.io.File; +import java.io.IOException; +import java.util.Collection; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.atomic.AtomicBoolean; +import org.apache.ignite.IgniteIllegalStateException; +import org.apache.ignite.IgniteLogger; +import org.apache.ignite.internal.GridKernalContext; +import org.apache.ignite.internal.IgniteInternalFuture; +import org.apache.ignite.internal.NodeStoppingException; +import org.apache.ignite.internal.processors.cache.persistence.filename.SnapshotFileTree; +import org.apache.ignite.internal.util.distributed.DistributedProcess; +import org.apache.ignite.internal.util.future.GridCompoundFuture; +import org.apache.ignite.internal.util.future.GridFinishedFuture; +import org.apache.ignite.internal.util.future.GridFutureAdapter; +import org.apache.ignite.internal.util.future.IgniteFutureImpl; +import org.apache.ignite.internal.util.typedef.F; +import org.apache.ignite.internal.util.typedef.internal.U; +import org.apache.ignite.lang.IgniteFuture; +import org.apache.ignite.lang.IgniteReducer; +import org.jetbrains.annotations.Nullable; + +import static org.apache.ignite.internal.processors.rollingupgrade.feature.SupportedFeatureRegistry.SNAPSHOT_DELETE_FEATURE; +import static org.apache.ignite.internal.util.distributed.DistributedProcess.DistributedProcessType.DELETE_SNAPSHOT; +import static org.apache.ignite.plugin.security.SecurityPermission.ADMIN_SNAPSHOT; + +/** + * Distributed process to delete a cluster snapshot. The operation is rejected if any concurrent snapshot operation is + * active. + */ +public class SnapshotDeleteProcess { + /** Reject operation messages. */ + private static final String OP_REJECT_MSG = "Snapshot deletion was rejected. "; + + /** Kernal context. */ + private final GridKernalContext kctx; + + /** Logger. */ + private final IgniteLogger log; + + /** */ + private volatile boolean interrupted; + + /** Cluster-wide operation futures per request id on certain node. */ + private final Map<UUID, GridFutureAdapter<SnapshotDeleteProcessResult>> clusterOpFuts = new ConcurrentHashMap<>(); + + /** Process requests per snapshot name on each server node. */ + private final Set<SnapshotDeleteRequest> requests = ConcurrentHashMap.newKeySet(); + + /** The distributed process. */ + private final DistributedProcess<SnapshotDeleteRequest, SnapshotDeleteResponse> distrProc; + + /** + * @param ctx Kernal context. + */ + public SnapshotDeleteProcess(GridKernalContext ctx) { + this.kctx = ctx; + + log = ctx.log(getClass()); + + distrProc = new DistributedProcess<>(ctx, DELETE_SNAPSHOT, this::deletePhase, this::reducePhase); + } + + /** + * Starts the cluster snapshot delete process. + * + * @param snpName Snapshot name. + * @param snpPath Snapshot directory path (optional). + * @return Future that will be completed when the snapshot is deleted. + */ + public IgniteFuture<SnapshotDeleteProcessResult> start(String snpName, @Nullable String snpPath) { + var clusterOpFut = new GridFutureAdapter<SnapshotDeleteProcessResult>(); + + if (!kctx.rollingUpgrade().features().isActive(SNAPSHOT_DELETE_FEATURE)) { + clusterOpFut.onDone(new IgniteIllegalStateException(OP_REJECT_MSG + + "The snapshot deletion feature isn't activated yet [snpName=" + snpName + ", snpPath=" + snpPath + ']')); + + return new IgniteFutureImpl<>(clusterOpFut); + } + + UUID reqId = UUID.randomUUID(); + + clusterOpFut.listen(fut -> clusterOpFuts.remove(reqId)); + + try { + synchronized (clusterOpFuts) { Review Comment: The interrupt is async, called from another thread. Similary to other snp operations -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
