Kubernetes Auto Config Updater

You can change your pods environment variables without creating new pods when you update your configmap. This package will update your environment on the fly!

Install

• Using yarn

yarn add kubernetes-configmap-updater

• Using npm

npm install kubernetes-configmap-updater

Usage

const configUpdater = require('kubernetes-configmap-updater');
configUpdater({
  updateUrl: 'https://127.0.0.1:6443/api/v1/namespaces/default/configmaps/example',
  frequency: 1000 * 60 * 3,
  overwriteExisting: true,
  exclude: ['NODE_ENV', 'CUSTOM1','CUSTOM2'],
  auth: {
    username: 'username',
    password: 'password',
    token: 'token' // provide token or username/password
  }
});

• updateUrl: Kubernetes configmap api endpoint url
• frequency: (Optional) Update interval in ms. Default: 300000
• overwriteExisting: (Optional) Change value of existing key. Default: true
• exclude: (Optional) Exclude keys from being updated. Default: []
• auth: (Optional) Most Kubernetes apis require basic auth. You can provide your username and password or token(for Bearer auth). (Best practice: Use kubernetes secrets, don't write your username and password directly here)

Refs

• Manually triggering update

configUpdater.update([cb]);

• Stop checking updates

configUpdater.stop();