From 9d0bc476d902c59a9fa82029b02fb0782a6c2ec5 Mon Sep 17 00:00:00 2001
From: Adrien Delorme <adrien.delorme@icloud.com>
Date: Tue, 27 Aug 2019 15:17:57 +0200
Subject: [PATCH] add ommited struct interpolation

after dcc22df6094069795eb0fdee27b5807ab50d84d4
---
 builder/amazon/chroot/block_device.go | 3 ++-
 builder/amazon/common/block_device.go | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/builder/amazon/chroot/block_device.go b/builder/amazon/chroot/block_device.go
index 3e789d258..78bc784c4 100644
--- a/builder/amazon/chroot/block_device.go
+++ b/builder/amazon/chroot/block_device.go
@@ -55,7 +55,8 @@ func (b *BlockDevice) Prepare(ctx *interpolate.Context) error {
 			"true` when setting a kms_key_id.", b.DeviceName)
 	}
 
-	return nil
+	_, err = interpolate.RenderInterface(&b, ctx)
+	return err
 }
 
 func (bds BlockDevices) Prepare(ctx *interpolate.Context) (errs []error) {
diff --git a/builder/amazon/common/block_device.go b/builder/amazon/common/block_device.go
index eade27637..c0acc8224 100644
--- a/builder/amazon/common/block_device.go
+++ b/builder/amazon/common/block_device.go
@@ -133,7 +133,8 @@ func (b *BlockDevice) Prepare(ctx *interpolate.Context) error {
 			"true` when setting a kms_key_id.", b.DeviceName)
 	}
 
-	return nil
+	_, err := interpolate.RenderInterface(&b, ctx)
+	return err
 }
 
 func (bds BlockDevices) Prepare(ctx *interpolate.Context) (errs []error) {