merge certificates.js and nginx.js to reverseproxy.js

when certs change, we have to call into nginx anyway. since they
go hand in hand, just merge those files. modern reverse proxies
do this job integrated already.

src/apptask.js

@@ -8,8 +8,8 @@ exports = module.exports = {
 
     // exported for testing
     _reserveHttpPort: reserveHttpPort,
-    _configureNginx: configureNginx,
-    _unconfigureNginx: unconfigureNginx,
+    _configureReverseProxy: configureReverseProxy,
+    _unconfigureReverseProxy: unconfigureReverseProxy,
     _createVolume: createVolume,
     _deleteVolume: deleteVolume,
     _verifyManifest: verifyManifest,
@@ -32,7 +32,6 @@ var addons = require('./addons.js'),
     assert = require('assert'),
     async = require('async'),
     backups = require('./backups.js'),
-    certificates = require('./certificates.js'),
     config = require('./config.js'),
     database = require('./database.js'),
     DatabaseError = require('./databaseerror.js'),
@@ -44,10 +43,10 @@ var addons = require('./addons.js'),
     fs = require('fs'),
     manifestFormat = require('cloudron-manifestformat'),
     net = require('net'),
-    nginx = require('./nginx.js'),
     os = require('os'),
     path = require('path'),
     paths = require('./paths.js'),
+    reverseProxy = require('./reverseproxy.js'),
     safe = require('safetydance'),
     shell = require('./shell.js'),
     superagent = require('superagent'),
@@ -113,23 +112,23 @@ function reserveHttpPort(app, callback) {
     });
 }
 
-function configureNginx(app, callback) {
+function configureReverseProxy(app, callback) {
     assert.strictEqual(typeof app, 'object');
     assert.strictEqual(typeof callback, 'function');
 
-    certificates.ensureCertificate(app, function (error, certFilePath, keyFilePath) {
+    reverseProxy.ensureCertificate(app, function (error, certFilePath, keyFilePath) {
         if (error) return callback(error);
 
-        nginx.configureApp(app, certFilePath, keyFilePath, callback);
+        reverseProxy.configureApp(app, certFilePath, keyFilePath, callback);
     });
 }
 
-function unconfigureNginx(app, callback) {
+function unconfigureReverseProxy(app, callback) {
     assert.strictEqual(typeof app, 'object');
     assert.strictEqual(typeof callback, 'function');
 
     // TODO: maybe revoke the cert
-    nginx.unconfigureApp(app, callback);
+    reverseProxy.unconfigureApp(app, callback);
 }
 
 function createContainer(app, callback) {
@@ -393,7 +392,7 @@ function install(app, callback) {
 
         // teardown for re-installs
         updateApp.bind(null, app, { installationProgress: '10, Cleaning up old install' }),
-        unconfigureNginx.bind(null, app),
+        unconfigureReverseProxy.bind(null, app),
         removeCollectdProfile.bind(null, app),
         removeLogrotateConfig.bind(null, app),
         stopApp.bind(null, app),
@@ -454,8 +453,8 @@ function install(app, callback) {
         updateApp.bind(null, app, { installationProgress: '90, Waiting for External Domain setup' }),
         exports._waitForAltDomainDnsPropagation.bind(null, app), // required when restoring and !restoreConfig
 
-        updateApp.bind(null, app, { installationProgress: '95, Configure nginx' }),
-        configureNginx.bind(null, app),
+        updateApp.bind(null, app, { installationProgress: '95, Configuring reverse proxy' }),
+        configureReverseProxy.bind(null, app),
 
         // done!
         function (callback) {
@@ -503,7 +502,7 @@ function configure(app, callback) {
 
     async.series([
         updateApp.bind(null, app, { installationProgress: '10, Cleaning up old install' }),
-        unconfigureNginx.bind(null, app),
+        unconfigureReverseProxy.bind(null, app),
         removeCollectdProfile.bind(null, app),
         removeLogrotateConfig.bind(null, app),
         stopApp.bind(null, app),
@@ -549,8 +548,8 @@ function configure(app, callback) {
         updateApp.bind(null, app, { installationProgress: '85, Waiting for External Domain setup' }),
         exports._waitForAltDomainDnsPropagation.bind(null, app),
 
-        updateApp.bind(null, app, { installationProgress: '90, Configuring Nginx' }),
-        configureNginx.bind(null, app),
+        updateApp.bind(null, app, { installationProgress: '90, Configuring reverse proxy' }),
+        configureReverseProxy.bind(null, app),
 
         // done!
         function (callback) {
@@ -709,8 +708,8 @@ function uninstall(app, callback) {
         updateApp.bind(null, app, { installationProgress: '80, Cleanup icon' }),
         removeIcon.bind(null, app),
 
-        updateApp.bind(null, app, { installationProgress: '90, Unconfiguring Nginx' }),
-        unconfigureNginx.bind(null, app),
+        updateApp.bind(null, app, { installationProgress: '90, Unconfiguring reverse proxy' }),
+        unconfigureReverseProxy.bind(null, app),
 
         updateApp.bind(null, app, { installationProgress: '95, Remove app from database' }),
         appdb.del.bind(null, app.id)