Update redis addon container

Fixes #223

src/addons.js

@@ -348,6 +348,7 @@ function startAddons(existingInfra, callback) {
             startMysql.bind(null, existingInfra),
             startPostgresql.bind(null, existingInfra),
             startMongodb.bind(null, existingInfra),
+            startRedis.bind(null, existingInfra),
             mail.startMail);
     } else {
         assert.strictEqual(typeof existingInfra.images, 'object');
@@ -356,6 +357,7 @@ function startAddons(existingInfra, callback) {
         if (infra.images.postgresql.tag !== existingInfra.images.postgresql.tag) startFuncs.push(startPostgresql.bind(null, existingInfra));
         if (infra.images.mongodb.tag !== existingInfra.images.mongodb.tag) startFuncs.push(startMongodb.bind(null, existingInfra));
         if (infra.images.mail.tag !== existingInfra.images.mail.tag) startFuncs.push(mail.startMail);
+        if (infra.images.redis.tag !== existingInfra.images.redis.tag) startFuncs.push(startRedis.bind(null, existingInfra));
 
         debug('startAddons: existing infra. incremental addon create %j', startFuncs.map(function (f) { return f.name; }));
     }
@@ -1211,6 +1213,13 @@ function restoreMongoDb(app, options, callback) {
     });
 }
 
+function startRedis(existingInfra, callback) {
+    assert.strictEqual(typeof existingInfra, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    importDatabase('redis', callback); // setupRedis currently starts the app container
+}
+
 // Ensures that app's addon redis container is running. Can be called when named container already exists/running
 function setupRedis(app, options, callback) {
     assert.strictEqual(typeof app, 'object');

src/platform.js

@@ -96,7 +96,6 @@ function removeOldImages(callback) {
     debug('removing old addon images');
 
     for (var imageName in infra.images) {
-        if (imageName === 'redis') continue; // see #223
         const image = infra.images[imageName];
         const tag = image.tag.replace(/:.*@/, '@'); // this remove the semver tag
         debug('cleaning up images of %j', image);
@@ -118,7 +117,6 @@ function stopContainers(existingInfra, callback) {
         assert(typeof infra.images, 'object');
         var changedAddons = [ ];
         for (var imageName in infra.images) {
-            if (imageName === 'redis') continue; // see #223
             if (infra.images[imageName].tag !== existingInfra.images[imageName].tag) changedAddons.push(imageName);
         }