replica-sets.js
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// import async to make control flow simplier
var async = require('async');
// import the rest of the normal stuff
var mongoose = require('../../lib');
require('./person.js')();
var Person = mongoose.model('Person');
// define some dummy data
var data = [
{
name: 'bill',
age: 25,
birthday: new Date().setFullYear((new Date().getFullYear() - 25))
},
{
name: 'mary',
age: 30,
birthday: new Date().setFullYear((new Date().getFullYear() - 30))
},
{
name: 'bob',
age: 21,
birthday: new Date().setFullYear((new Date().getFullYear() - 21))
},
{
name: 'lilly',
age: 26,
birthday: new Date().setFullYear((new Date().getFullYear() - 26))
},
{
name: 'alucard',
age: 1000,
birthday: new Date().setFullYear((new Date().getFullYear() - 1000))
}
];
// to connect to a replica set, pass in the comma delimited uri and optionally
// any connection options such as the rs_name.
var opts = {
replSet: {rs_name: 'rs0'}
};
mongoose.connect('mongodb://localhost:27018/persons,localhost:27019,localhost:27020', opts, function(err) {
if (err) throw err;
// create all of the dummy people
async.each(data, function(item, cb) {
Person.create(item, cb);
}, function(err) {
if (err) {
// handle error
}
// create and delete some data
var prom = Person.find({age: {$lt: 1000}}).exec();
prom.then(function(people) {
console.log('young people: %s', people);
}).then(cleanup);
});
});
function cleanup() {
Person.remove(function() {
mongoose.disconnect();
});
}