Node-red Dyndns using digitalocean

digital-ocean DNS on node-red.js

// the node-script 
var request = global.get('request');

var accessToken = "YOURACCESSTOKEN";
var domain      = "YOURDOMAIN";
var record      = "YOURDNSRECORD";

var ip     = msg.payload;

var options = {
  method: 'PUT',
  url: 'https://api.digitalocean.com/v2/domains/'+ domain +'/records/' + record,
  headers: {
    'User-Agent'    : 'request',
    'Content-Type'  : 'application/json', 
    'Authorization' : 'Bearer ' + accessToken
  },
  body : '{"data" : "'+ip+'"}'
};

request(options, function (error, response, body) {
  if (!error && response.statusCode == 200) {
      // no error - update successfull
      node.status({fill:"green",shape:"dot",text: ip});  
      node.send({payload : body});
  } else {
      node.status({fill:"red",shape:"dot",text: 'Error'});        
  }
});


return;

setting.js

{
  // add this to your config/setting. don't forget to npm install these modules first
  functionGlobalContext: {
        os:require('os'),
        request:require('request'),
        cheerio:require('cheerio'),
        async:require('async')
  }
}