| /* |
| * 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.gearpump.cluster.main |
| |
| import org.apache.gearpump.cluster.MasterToAppMaster.AppMastersData |
| import org.apache.gearpump.cluster.client.ClientContext |
| import org.apache.gearpump.util.MasterClientCommand |
| |
| /** Tool to query master info */ |
| object Info extends MasterClientCommand with ArgumentsParser { |
| |
| override val options: Array[(String, CLIOption[Any])] = Array( |
| // For document purpose only, OPTION_CONFIG option is not used here. |
| // OPTION_CONFIG is parsed by parent shell command "Gear" transparently. |
| Gear.OPTION_CONFIG -> CLIOption("custom configuration file", required = false, |
| defaultValue = None)) |
| |
| override val description = "Query the Application list" |
| |
| // scalastyle:off println |
| def main(akkaConf: Config, args: Array[String]): Unit = { |
| val client = ClientContext(akkaConf) |
| |
| val AppMastersData(appMasters) = client.listApps |
| Console.println("== Application Information ==") |
| Console.println("====================================") |
| appMasters.foreach { appData => |
| Console.println(s"application: ${appData.appId}, name: ${appData.appName}, " + |
| s"status: ${appData.status}, worker: ${appData.workerPath}") |
| } |
| client.close() |
| } |
| // scalastyle:on println |
| } |