| 1 | {{{ |
| 2 | |
| 3 | public static void creatTable(String table) throws IOException{ |
| 4 | HConnection conn = HConnectionManager.getConnection(conf); |
| 5 | HBaseAdmin admin = new HBaseAdmin(conf); |
| 6 | if(!admin.tableExists(new Text(table))){ |
| 7 | System.out.println("1. " + table + " table creating ... please wait"); |
| 8 | HTableDescriptor tableDesc = new HTableDescriptor(table); |
| 9 | tableDesc.addFamily(new HColumnDescriptor("http:")); |
| 10 | tableDesc.addFamily(new HColumnDescriptor("url:")); |
| 11 | tableDesc.addFamily(new HColumnDescriptor("referrer:")); |
| 12 | admin.createTable(tableDesc); |
| 13 | } else { |
| 14 | System.out.println("1. " + table + " table already exists."); |
| 15 | } |
| 16 | System.out.println("2. access_log files fetching using map/reduce"); |
| 17 | } |
| 18 | }}} |
| 19 | |
| 20 | |
| 21 | {{{ |
| 22 | public static class MapClass extends MapReduceBase implements |
| 23 | Mapper<WritableComparable, Text, Text, Writable> { |
| 24 | |
| 25 | @Override |
| 26 | public void configure(JobConf job) { |
| 27 | tableName = job.get(TABLE, ""); |
| 28 | } |
| 29 | |
| 30 | public void map(WritableComparable key, Text value, |
| 31 | OutputCollector<Text, Writable> output, Reporter reporter) |
| 32 | throws IOException { |
| 33 | try { |
| 34 | AccessLogParser log = new AccessLogParser(value.toString()); |
| 35 | if(table==null) |
| 36 | table = new HTable(conf, new Text(tableName)); |
| 37 | long lockId = table.startUpdate(new Text(log.getIp())); |
| 38 | table.put(lockId, new Text("http:protocol"), log.getProtocol().getBytes()); |
| 39 | table.put(lockId, new Text("http:method"), log.getMethod().getBytes()); |
| 40 | table.put(lockId, new Text("http:code"), log.getCode().getBytes()); |
| 41 | table.put(lockId, new Text("http:bytesize"), log.getByteSize().getBytes()); |
| 42 | table.put(lockId, new Text("http:agent"), log.getAgent().getBytes()); |
| 43 | table.put(lockId, new Text("url:" + log.getUrl()), log.getReferrer().getBytes()); |
| 44 | table.put(lockId, new Text("referrer:" + log.getReferrer()), log.getUrl().getBytes()); |
| 45 | |
| 46 | table.commit(lockId, log.getTimestamp()); |
| 47 | } catch (ParseException e) { |
| 48 | e.printStackTrace(); |
| 49 | } catch (Exception e) { |
| 50 | e.printStackTrace(); |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | }}} |
| 56 | |
| 57 | {{{ |
| 58 | public static void runMapReduce(String table,String dir) throws IOException{ |
| 59 | Path tempDir = new Path("log/temp"); |
| 60 | Path InputDir = new Path(dir); |
| 61 | FileSystem fs = FileSystem.get(conf); |
| 62 | JobConf jobConf = new JobConf(conf, LogFetcher.class); |
| 63 | jobConf.setJobName("apache log fetcher"); |
| 64 | jobConf.set(TABLE, table); |
| 65 | Path[] in = fs.listPaths(InputDir); |
| 66 | if (fs.isFile(InputDir)) { |
| 67 | jobConf.setInputPath(InputDir); |
| 68 | } else { |
| 69 | for (int i = 0; i < in.length; i++) { |
| 70 | if (fs.isFile(in[i])) { |
| 71 | jobConf.addInputPath(in[i]); |
| 72 | } else { |
| 73 | Path[] sub = fs.listPaths(in[i]); |
| 74 | for (int j = 0; j < sub.length; j++) { |
| 75 | if (fs.isFile(sub[j])) { |
| 76 | jobConf.addInputPath(sub[j]); |
| 77 | } |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | jobConf.setOutputPath(tempDir); |
| 83 | jobConf.setMapperClass(MapClass.class); |
| 84 | |
| 85 | JobClient client = new JobClient(jobConf); |
| 86 | ClusterStatus cluster = client.getClusterStatus(); |
| 87 | jobConf.setNumMapTasks(cluster.getMapTasks()); |
| 88 | jobConf.setNumReduceTasks(0); |
| 89 | |
| 90 | JobClient.runJob(jobConf); |
| 91 | fs.delete(tempDir); |
| 92 | fs.close(); |
| 93 | } |
| 94 | |
| 95 | }}} |