MongoUtil

README.md

MongoUtil

MongoDBの便利なサーバー関数等をまとめたものです.

使い方

パラメータの解説

関連情報

ライセンス

Copyright © 2012 @satoruk Distributed under the MIT License.

show_mongo_status.js

var configDB, infos;
infos = {};
configDB = db.getSisterDB('config');
configDB.shards.find().sort({_id:1}).forEach(function(v){
  var host, mongo, info, stat;
  //shellPrint(v);
  if (!v.host.match(/([^\/]+)$/)) return;
  host = RegExp.$1.split(',').shift();
  mongo = new Mongo(host);
  stat = mongo.adminCommand({ replSetGetStatus: 1 });
  info=[];
  infos[stat.set]=info;
  stat.members.forEach(function(m){
    info.push({name:m.name, state:m.stateStr, health:m.health});
  });
});

var headers = null;
var formats={};
for (var set in infos) {
  infos[set].forEach(function(v){
    if (headers == null) {
      headers = {};
      for (var k in v) headers[k]=k;
    }
    for (var k in v) {
      formats[k] = isNaN(formats[k]) ? 0: formats[k];
      formats[k] = Math.max(formats[k], k.length);
      formats[k] = Math.max(formats[k], (v[k]+"").length);
    }
  });
}

var printSep = function(){
  var vals = [];
  for (var k in headers) {
    vals.push('---------------------------------------'.substr(0, formats[k]));
  }
  print('    ' + vals.join('-+-'));
};

var printDatas = function(datas){
  var vals = [];
  for (var k in datas) {
    vals.push((datas[k] + '                          ').substr(0, formats[k]));
  }
  print('    ' + vals.join(' | '));
};

for (var set in infos) {
  print('[' + set + ']');
  printDatas(headers);
  printSep();
  infos[set].forEach(function(v){
    printDatas(v);
  });
}