get-netlify-deploy-key.js

const https = require('https')

/*
const argv = require('yargs')
  .option('token', {
    alias: 't',
    describe: 'api token',
    demand: true,
    type: 'string',
  })
  .option('name', {
    alias: 'n',
    describe: 'deployment name',
    demand: true,
    type: 'string',
  })
  .parse(process.argv);
*/

function getDeploymentKey(token, name) {
  return new Promise((resolve, reject) => {
    let data = "";
    const req = https.request({
      method: 'GET',
      headers: {
        accept: 'application/json',
        authorization: `Bearer ${token}`,
      },
      hostname: 'api.netlify.com',
      path: `/api/v1/sites?name=${name}&filter=all`,
    }, (res) => {
      res.on('data', (chunk) => {
        data += chunk;
      });
      res.on('end', () => {
        resolve(JSON.parse(data));
      })
      res.on('error', (err) => {
        reject(err);
      })
    });
    req.end();
  }).then((data) => {
    data = data.filter((item) => item.name === name)[0];
    if (!data) {
      return Promise.reject(new Error(`Unable to find site ${name}`));
    }
    const deploymentKey = data.build_settings.deploy_key_id;
    // console.log(`Found deployment key id ${deploymentKey}`);
    return new Promise((resolve, reject) => {
      let data = "";
      const req = https.request({
        method: 'GET',
        headers: {
          accept: 'application/json',
          authorization: `Bearer ${token}`,
        },
        hostname: 'api.netlify.com',
        path: `/api/v1/deploy_keys/${deploymentKey}`,
      }, (res) => {
        res.on('data', (chunk) => {
          data += chunk;
        });
        res.on('end', () => {
          resolve(JSON.parse(data).public_key);
        })
        res.on('error', (err) => {
          reject(err);
        })
      });
      req.end();
    });
  });
}
getDeploymentKey('<NETLIFY_API_TOKEN>', '<SITE_NAME>')
  .then((key) => {
    console.log(key);
    process.exit(0);
  })
  .catch((err) => {
    console.error(err);
    process.exit(1);
  });