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config-etcd

v0.0.1

Published

get config values from etcd in a deep structure

Downloads

2

Readme

config-etcd

Configure your app with values from etcd with a simple API.

Features

  • Get etcd keys to configure your app
  • Let etcd directives sit with other configurations for later lookup
  • Recursively evaluate a structure looking for directives to retrieve values from etcd
  • Callback is guarenteed to execute after config has been updated
  • In-place configuration update
  • Works with any configuration method

Install

npm install config-etcd --save

Use

Use whatever method you want to get configuration values into your app. (I prefer the config module).

Lets suppose that the etcd key /services/db/password contains the value foobar.

var config = {
    'db': {
        'host': '127.0.0.1',
        'port': 12345,
        'password': 'etcd:/services/db/password'
    }
}

var etcd_hosts = ['127.0.0.1:4001']

var configEtcd = require('config-etcd')

configEtcd(etcd_hosts, config, function (err, updated_config) {
    if (err) throw err
    console.log('Successfully updated config with values from etcd:', updated_config)
})

This will print the new updated config structure:

{
    'db': {
        'host': '127.0.0.1',
        'port': 12345,
        'password': 'foobar'
    }
}

Alternatively, you can omit the etcd_hosts parameter to just initialize with [127.0.0.1:4001 as your etcd address.

License

MIT license in LICENSE file.