Vladsz83 commented on code in PR #13666: URL: https://github.com/apache/ignite/pull/13666#discussion_r4323693321
########## modules/core/src/main/java/org/apache/ignite/internal/management/snapshot/SnapshotListCommand.java: ########## @@ -0,0 +1,122 @@ +/* + * 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.management.snapshot; + +import java.time.Instant; +import java.time.ZoneId; +import java.time.format.DateTimeFormatter; +import java.util.Comparator; +import java.util.TreeMap; +import java.util.function.Consumer; +import java.util.stream.IntStream; +import org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotListJobResult; +import org.apache.ignite.internal.processors.cache.persistence.snapshot.SnapshotListTaskResult; +import org.apache.ignite.internal.util.typedef.internal.U; + +/** Snapshot list command. */ +public class SnapshotListCommand extends AbstractSnapshotCommand<SnapshotListCommandArg, SnapshotListTaskResult> { + /** */ + public static final String HEADER = "Snapshots found on the following nodes:"; + + /** */ + public static final String DESC = "Lists all snapshots on all online server nodes with their sizes"; + + /** */ + public static final String NO_SNAPSHOTS = "No snapshots found."; + + /** */ + private static final String PATTERN_FORMAT = "yyyy-MM-dd HH:mm:ss Z"; + + /** */ + private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern(PATTERN_FORMAT).withZone(ZoneId.systemDefault()); + + /** {@inheritDoc} */ + @Override public String description() { + return DESC; + } + + /** {@inheritDoc} */ + @Override public Class<SnapshotListCommandArg> argClass() { + return SnapshotListCommandArg.class; + } + + /** {@inheritDoc} */ + @Override public Class<SnapshotListTask> taskClass() { + return SnapshotListTask.class; + } + + /** {@inheritDoc} */ + @Override public void printResult(SnapshotListCommandArg arg, SnapshotListTaskResult res, Consumer<String> printer) { + printer.accept(HEADER); + + // Sorting the results by consistent id for better reading. + Integer[] nodesOrder = IntStream.range(0, res.nodesIds().length).boxed() + .sorted(Comparator.comparing(idx -> res.consistentIds()[idx])) + .toArray(Integer[]::new); + + for (int nodeIdx : nodesOrder) { + // Skip line before node. + printer.accept(""); + + printer.accept("\tNode '%s' [uuid=%s]:".formatted(res.consistentIds()[nodeIdx], res.nodesIds()[nodeIdx])); + + SnapshotListJobResult nodeResult = res.nodesSnapshots()[nodeIdx]; + + if (nodeResult.snapshots().isEmpty()) { + printer.accept("\t\t" + NO_SNAPSHOTS); + + continue; + } + + // Sorted snapshots names for better user reading. + new TreeMap<>(nodeResult.snapshots()).forEach((snpName, snpInfo) -> { + printer.accept("\t\tSnapshot '%s': totalSize=%s (%db), created='%s' (epoch=%d)".formatted( + snpName, + U.humanReadableByteCount(snpInfo.size()), + snpInfo.size(), + DATE_FORMATTER.format(Instant.ofEpochMilli(snpInfo.date())), + snpInfo.date() + )); + + SnapshotListJobResult.SnapshotInfo extStors = snpInfo.externalStorages(); + SnapshotListJobResult.SnapshotInfo incs = snpInfo.incrementals(); + + if (extStors != null) { + printer.accept("\t\t\texternal storages: cnt=%d, size=%s (%db)".formatted( + extStors.number(), + U.humanReadableByteCount(extStors.size()), + extStors.size() + )); + } + + if (incs != null) { + printer.accept("\t\t\tincremental snapshots: cnt=%d, size=%s (%db), modified='%s' (epoch=%d)".formatted( + incs.number(), + U.humanReadableByteCount(incs.size()), + incs.size(), + DATE_FORMATTER.format(Instant.ofEpochMilli(incs.date())), + incs.date() + )); + } + }); + } + + // Drop a line. Review Comment: Done. -- 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]
