seed database on sails js

api models Locations.js

/**
* Locations.js
*
* @description :: TODO: You might write a short summary of how this model works and what it represents here.
* @docs        :: http://sailsjs.org/#!documentation/models
*/

module.exports = {
  
  seedData:[
    {
      country: 'Australia',
      states: ['Brisbane', 'Perth', 'Sydney']
    }
  ]
};

config bootstrap.js

/**
 * Bootstrap
 * (sails.config.bootstrap)
 *
 * An asynchronous bootstrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#/documentation/reference/sails.config/sails.config.bootstrap.html
 */

 module.exports.bootstrap = function(cb) {

 	async.series([
 		Locations.seed
 		],cb);

  // It's very important to trigger this callback method when you are finished
  // with the bootstrap!  (otherwise your server will never lift, since it's waiting on the bootstrap)
};

config models.js

/**
 * Default model configuration
 * (sails.config.models)
 *
 * Unless you override them, the following properties will be included
 * in each of your models.
 *
 * For more info on Sails models, see:
 * http://sailsjs.org/#/documentation/concepts/ORM
 */

module.exports.models = {

  /***************************************************************************
   *                                                                          *
   * Your app's default connection. i.e. the name of one of your app's        *
   * connections (see `config/connections.js`)                                *
   *                                                                          *
   ***************************************************************************/
  connection: 'someMongodbServer',

  /***************************************************************************
   *                                                                          *
   * How and whether Sails will attempt to automatically rebuild the          *
   * tables/collections/etc. in your schema.                                  *
   *                                                                          *
   * See http://sailsjs.org/#/documentation/concepts/ORM/model-settings.html  *
   *                                                                          *
   ***************************************************************************/
  migrate: 'alter',


  /**
   * This method adds records to the database
   *
   * To use add a variable 'seedData' in your model and call the
   * method in the bootstrap.js file
   */
  seed: function (callback) {
    var self = this;
    var modelName = self.adapter.identity.charAt(0).toUpperCase() + self.adapter.identity.slice(1);
    if (!self.seedData) {
      sails.log.debug('No data avaliable to seed ' + modelName);
      callback();
      return;
    }
    self.count().exec(function (err, count) {
      if (!err && count === 0) {
        sails.log.debug('Seeding ' + modelName + '...');
        if (self.seedData instanceof Array) {
          self.seedArray(callback);
        }else{
          self.seedObject(callback);
        }
      } else {
        sails.log.debug(modelName + ' had models, so no seed needed');
        callback();
      }
    });
  },
  seedArray: function (callback) {
    var self = this;
    var modelName = self.adapter.identity.charAt(0).toUpperCase() + self.adapter.identity.slice(1);
    self.createEach(self.seedData).exec(function (err, results) {
      if (err) {
        sails.log.debug(err);
        callback();
      } else {
        sails.log.debug(modelName + ' seed planted');
        callback();
      }
    });
  },
  seedObject: function (callback) {
    var self = this;
    var modelName = self.adapter.identity.charAt(0).toUpperCase() + self.adapter.identity.slice(1);
    self.create(self.seedData).exec(function (err, results) {
      if (err) {
        sails.log.debug(err);
        callback();
      } else {
        sails.log.debug(modelName + ' seed planted');
        callback();
      }
    });

  }

};