| /* |
| * 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.cassandra.tools.nodetool; |
| |
| import io.airlift.command.Command; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.management.openmbean.TabularData; |
| |
| import org.apache.cassandra.io.util.FileUtils; |
| import org.apache.cassandra.tools.NodeProbe; |
| import org.apache.cassandra.tools.NodeTool.NodeToolCmd; |
| |
| @Command(name = "listsnapshots", description = "Lists all the snapshots along with the size on disk and true size.") |
| public class ListSnapshots extends NodeToolCmd |
| { |
| @Override |
| public void execute(NodeProbe probe) |
| { |
| try |
| { |
| System.out.println("Snapshot Details: "); |
| |
| final Map<String,TabularData> snapshotDetails = probe.getSnapshotDetails(); |
| if (snapshotDetails.isEmpty()) |
| { |
| System.out.printf("There are no snapshots"); |
| return; |
| } |
| |
| final long trueSnapshotsSize = probe.trueSnapshotsSize(); |
| final String format = "%-20s%-29s%-29s%-19s%-19s%n"; |
| // display column names only once |
| final List<String> indexNames = snapshotDetails.entrySet().iterator().next().getValue().getTabularType().getIndexNames(); |
| System.out.printf(format, (Object[]) indexNames.toArray(new String[indexNames.size()])); |
| |
| for (final Map.Entry<String, TabularData> snapshotDetail : snapshotDetails.entrySet()) |
| { |
| Set<?> values = snapshotDetail.getValue().keySet(); |
| for (Object eachValue : values) |
| { |
| final List<?> value = (List<?>) eachValue; |
| System.out.printf(format, value.toArray(new Object[value.size()])); |
| } |
| } |
| |
| System.out.println("\nTotal TrueDiskSpaceUsed: " + FileUtils.stringifyFileSize(trueSnapshotsSize) + "\n"); |
| } |
| catch (Exception e) |
| { |
| throw new RuntimeException("Error during list snapshot", e); |
| } |
| } |
| } |