| ;; 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. |
| (ns backtype.storm.command.heartbeats |
| (:require [backtype.storm |
| [config :refer :all] |
| [log :refer :all] |
| [cluster :refer :all] |
| [converter :refer :all]] |
| [clojure.string :refer :all]) |
| (:import [backtype.storm.generated ClusterWorkerHeartbeat] |
| [backtype.storm.utils Utils]) |
| (:gen-class)) |
| |
| (defn -main [command path & args] |
| (let [conf (read-storm-config) |
| cluster (mk-distributed-cluster-state conf :auth-conf conf)] |
| (println "Command: [" command "]") |
| (condp = command |
| "list" |
| (let [message (join " \n" (.get_worker_hb_children cluster path false))] |
| (log-message "list " path ":\n" |
| message "\n")) |
| "get" |
| (log-message |
| (if-let [hb (.get_worker_hb cluster path false)] |
| (clojurify-zk-worker-hb |
| (Utils/deserialize |
| hb |
| ClusterWorkerHeartbeat)) |
| "Nothing")) |
| |
| (log-message "Usage: heartbeats [list|get] path")) |
| |
| (try |
| (.close cluster) |
| (catch Exception e |
| (log-message "Caught exception: " e " on close.")))) |
| (System/exit 0)) |
| |