- /**
- * 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.hadoop.contrib.failmon;
- import java.util.ArrayList;
- /**********************************************************
- * Runs a set of monitoring jobs once for the local node. The set of
- * jobs to be run is the intersection of the jobs specifed in the
- * configuration file and the set of jobs specified in the --only
- * command line argument.
- **********************************************************/
- public class RunOnce {
- LocalStore lstore;
- ArrayList<MonitorJob> monitors;
- boolean uploading = true;
- public RunOnce(String confFile) {
- Environment.prepare(confFile);
- String localTmpDir;
- // running as a stand-alone application
- localTmpDir = System.getProperty("java.io.tmpdir");
- Environment.setProperty("local.tmp.dir", localTmpDir);
- monitors = Environment.getJobs();
- lstore = new LocalStore();
- uploading = true;
- }
- private void filter (String [] ftypes) {
- ArrayList<MonitorJob> filtered = new ArrayList<MonitorJob>();
- boolean found;
- // filter out unwanted monitor jobs
- for (MonitorJob job : monitors) {
- found = false;
- for (String ftype : ftypes)
- if (job.type.equalsIgnoreCase(ftype))
- found = true;
- if (found)
- filtered.add(job);
- }
- // disable uploading if not requested
- found = false;
- for (String ftype : ftypes)
- if (ftype.equalsIgnoreCase("upload"))
- found = true;
- if (!found)
- uploading = false;
- monitors = filtered;
- }
- private void run() {
- Environment.logInfo("Failmon started successfully.");
- for (int i = 0; i < monitors.size(); i++) {
- Environment.logInfo("Calling " + monitors.get(i).job.getInfo() + "...t");
- monitors.get(i).job.monitor(lstore);
- }
- if (uploading)
- lstore.upload();
- lstore.close();
- }
- public void cleanup() {
- // nothing to be done
- }
- public static void main (String [] args) {
- String configFilePath = "./conf/failmon.properties";
- String [] onlyList = null;
- // Parse command-line parameters
- for (int i = 0; i < args.length - 1; i++) {
- if (args[i].equalsIgnoreCase("--config"))
- configFilePath = args[i + 1];
- else if (args[i].equalsIgnoreCase("--only"))
- onlyList = args[i + 1].split(",");
- }
- RunOnce ro = new RunOnce(configFilePath);
- // only keep the requested types of jobs
- if (onlyList != null)
- ro.filter(onlyList);
- // run once only
- ro.run();
- }
- }