Merge pull request #59 from Financial-Times/preboot

enable preboot for all apps

README.md

@@ -15,7 +15,8 @@
     deploy-hashed-assets                   deploys hashed asset files to S3 (if AWS keys set correctly)
     build                                  build javascript and css
     destroy [app]                          deletes the app from heroku
-    purge [options] [ur]                   purges the given url from the Fastly cache.  Requires a FASTLY_KEY environment variable set to your fastly api key
+    purge [options] [url]                  purges the given url from the Fastly cache.  Requires a FASTLY_KEY environment variable set to your fastly api key
+    enable-preboot [app]                   enables prebooting of an application to smooth over deploys
     *                                      
 
   Options:

bin/next-build-tools.js

@@ -16,6 +16,7 @@ var destroy = require('../tasks/destroy');
 var purge = require('../tasks/purge');
 var nightwatch = require('../tasks/nightwatch');
 var deployHashedAssets = require('../tasks/deploy-hashed-assets');
+var enablePreboot = require('../tasks/enable-preboot');
 
 function list(val) {
 	return val.split(',');
@@ -39,7 +40,11 @@ program
 		.command('deploy [app]')
 		.description('runs haikro deployment scripts with sensible defaults for Next projects')
 		.action(function(app) {
-			deploy(app).catch(exit);
+			enablePreboot(app)
+				.then(function() {
+					return deploy(app);
+				})
+				.catch(exit);
 		});
 
 	program
@@ -119,7 +124,7 @@ program
 		});
 
 	program
-		.command('purge [url')
+		.command('purge [url]')
 		.option('-s, --soft <soft>', 'Perform a "Soft Purge (will invalidate the content rather than remove it"')
 		.description('purges the given url from the Fastly cache.  Requires a FASTLY_KEY environment variable set to your fastly api key')
 		.action(function(url, options){
@@ -130,6 +135,13 @@ program
 			}
 		});
 
+	program
+		.command('enable-preboot [app]')
+		.description('enables prebooting of an application to smooth over deploys')
+		.action(function(app) {
+			return enablePreboot({ app: app }).catch(exit);
+		});
+
 	program
 		.command('*')
 		.description('')

lib/enable-preboot.js

@@ -0,0 +1,21 @@
+'use strict';
+
+var fetchres = require('fetchres');
+
+module.exports = function(opts) {
+	var token = opts.token;
+	var app = opts.app;
+	return fetch('https://api.heroku.com/apps/' + app + '/features/preboot', {
+			method: 'PATCH',
+			headers: {
+				'Accept': 'Accept: application/vnd.heroku+json; version=3',
+				'Content-Type': 'application/json',
+				'Authorization': 'Bearer ' + token
+			},
+			body: JSON.stringify({ enabled: true })
+		})
+		.then(fetchres.json)
+		.then(function() {
+			console.log("Preboot enabled for " + app);
+		});
+};

tasks/enable-preboot.js

@@ -0,0 +1,18 @@
+'use strict';
+
+var packageJson = require(process.cwd() + '/package.json');
+var herokuAuthToken = require('../lib/heroku-auth-token');
+var normalizeName = require('../lib/normalize-name');
+var enablePreboot = require('../lib/enable-preboot');
+
+module.exports = function(opts) {
+	var app = opts.app || 'ft-next-' + normalizeName(packageJson.name);
+
+	return herokuAuthToken()
+		.then(function(token) {
+			return enablePreboot({ app: app, token: token });
+		})
+		.then(function() {
+			console.log('Preboot enabled for ' + app);
+		});
+};