| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * Licensed 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.onosproject.cli.net; |
| |
| import java.util.List; |
| |
| import org.apache.karaf.shell.commands.Command; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.store.service.PartitionInfo; |
| import org.onosproject.store.service.StorageAdminService; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.Ordering; |
| |
| /** |
| * Command to list the database partitions in the system. |
| */ |
| @Command(scope = "onos", name = "partitions", |
| description = "Lists information about partitions in the system") |
| public class PartitionsListCommand extends AbstractShellCommand { |
| |
| private static final String FMT = "%-20s %8s %25s %s"; |
| |
| /** |
| * Displays partition info as text. |
| * |
| * @param partitionInfo partition descriptions |
| */ |
| private void displayPartitions(List<PartitionInfo> partitionInfo) { |
| print("----------------------------------------------------------"); |
| print(FMT, "Name", "Term", "Members", ""); |
| print("----------------------------------------------------------"); |
| |
| for (PartitionInfo info : partitionInfo) { |
| boolean first = true; |
| for (String member : Ordering.natural().sortedCopy(info.members())) { |
| if (first) { |
| print(FMT, info.name(), info.term(), member, |
| member.equals(info.leader()) ? "*" : ""); |
| first = false; |
| } else { |
| print(FMT, "", "", member, |
| member.equals(info.leader()) ? "*" : ""); |
| } |
| } |
| if (!first) { |
| print("----------------------------------------------------------"); |
| } |
| } |
| } |
| |
| /** |
| * Converts partition info into a JSON object. |
| * |
| * @param partitionInfo partition descriptions |
| */ |
| private JsonNode json(List<PartitionInfo> partitionInfo) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode partitions = mapper.createArrayNode(); |
| |
| // Create a JSON node for each partition |
| partitionInfo.stream() |
| .forEach(info -> { |
| ObjectNode partition = mapper.createObjectNode(); |
| |
| // Add each member to the "members" array for this partition |
| ArrayNode members = partition.putArray("members"); |
| info.members() |
| .stream() |
| .forEach(members::add); |
| |
| // Complete the partition attributes and add it to the array |
| partition.put("name", info.name()) |
| .put("term", info.term()) |
| .put("leader", info.leader()); |
| partitions.add(partition); |
| |
| }); |
| |
| return partitions; |
| } |
| |
| @Override |
| protected void execute() { |
| StorageAdminService storageAdminService = get(StorageAdminService.class); |
| List<PartitionInfo> partitionInfo = storageAdminService.getPartitionInfo(); |
| |
| if (outputJson()) { |
| print("%s", json(partitionInfo)); |
| } else { |
| displayPartitions(partitionInfo); |
| } |
| } |
| } |