1.1.3 • Published 1 year ago
cascade-config-mongodb v1.1.3
cascade-config-mongodb
extension loader to cascade-config to read from mongodb
Quick Start
cascade-config-mongodb adds a loader to cascade-config to allow reading from mongodb databases:
var CC_base = require('cascade-config');
var CC_mongodb = require ('cascade-config-mongodb');
var CC = CC_mongodb (CC_base);
var config = new CC();
config
.obj ({cc: {n: 'ooo'}, x: 0})
.mongodb({ 
  url: 'mongodb://{env}-config.server.com', 
  db: 'config_database_{env}', 
  coll: 'config_{env}_coll', 
  id: 'abcdef-{env}')
.done(function (err, cfg) {
  ...
});API
.mongodb (opts): reads an object from a mongodb database, specified by mongodb url, database, collection and _id value. All 4 support variable substitution. Options are:url: mongodb url (as supported by mongodb driver v3)db: database to usecoll: collection to useid: value of_idto seek within the collection. The_iditself is deleted from the returned object
Variable expansion
As it happens with standard loaders in cascade-config read objects from mongodb are then subject to variable expansion using so-far read config; also, config read by this loader can be user as source for variable expansion on further stages