Add support for transfer acceleration without the need of fully custom managed bucket

README.md

@@ -330,6 +330,24 @@ Enable server side encryption for the uploaded files. You can use `AES256` or `a
 
 ---
 
+**transferAcceleration**
+
+_optional_, default `false`
+
+```yaml
+custom:
+  client:
+    ...
+    transferAcceleration: false
+    ...
+```
+
+Enable or disable Transfer Acceleration on the bucket, set to `true` or `false`.
+
+[AWS Documentation](https://docs.aws.amazon.com/AmazonS3/latest/dev/transfer-acceleration.html)
+
+---
+
 **manageResources**
 
 _optional_, default `true` (the plugin does manage your resources by default)

index.js

@@ -129,6 +129,7 @@ class Client {
       redirectAllRequestsTo,
       keyPrefix,
       sse,
+      transferAcceleration,
       routingRules,
       manageResources,
       tags;
@@ -154,6 +155,7 @@ class Client {
         bucketName = this.options.bucketName;
         keyPrefix = this.options.keyPrefix;
         sse = this.options.sse || null;
+        transferAcceleration = this.options.transferAcceleration || false;
         manageResources = this.options.manageResources;
         headerSpec = this.options.objectHeaders;
         orderSpec = this.options.uploadOrder;
@@ -254,6 +256,14 @@ class Client {
               this.serverless.cli.log(`Configuring CORS for bucket...`);
               return configure.configureCorsForBucket(this.aws, bucketName);
             })
+            .then(() => {
+              if (this.cliOptions['config-change'] === false || manageResources === false) {
+                this.serverless.cli.log(`Retaining existing bucket Transfer Acceleration configuration...`);
+                return Promise.resolve();
+              }
+              this.serverless.cli.log(`Configuring Transfer Acceleration for bucket...`);
+              return configure.configureTransferAccelerationForBucket(this.aws, bucketName, transferAcceleration);
+            })
             .then(() => {
               this.serverless.cli.log(`Uploading client files to bucket...`);
               return uploadDirectory(

lib/configure.js

@@ -144,9 +144,27 @@ function configureTagsForBucket(aws, bucketName, tags) {
   return aws.request('S3', 'putBucketTagging', params);
 }
 
+/**
+ * Configures Transfer Acceleration for given bucket
+ * @param {Object} aws - AWS class
+ * @param {string} bucketName - Name of bucket to be configured
+ * @param {boolean} isAccelerated - if true, will enable transfer acceleration
+ */
+function configureTransferAccelerationForBucket(aws, bucketName, isAccelerated = false) {
+  const params = {
+    Bucket: bucketName,
+    AccelerateConfiguration: {
+      Status: isAccelerated ? 'Enabled' : 'Suspended'
+    }
+  };
+
+  return aws.request('S3', 'PutBucketAccelerateConfiguration', params);
+}
+
 module.exports = {
   configureBucket,
   configureCorsForBucket,
   configurePolicyForBucket,
-  configureTagsForBucket
+  configureTagsForBucket,
+  configureTransferAccelerationForBucket
 };