provider/aws: Fix encoding bug with AWS Instance

builtin/providers/aws/resource_aws_instance.go

@@ -3,6 +3,7 @@ package aws
 import (
 	"bytes"
 	"crypto/sha1"
+	"encoding/base64"
 	"encoding/hex"
 	"fmt"
 	"log"
@@ -258,7 +259,7 @@ func resourceAwsInstanceCreate(d *schema.ResourceData, meta interface{}) error {
 	// Figure out user data
 	userData := ""
 	if v := d.Get("user_data"); v != nil {
-		userData = v.(string)
+		userData = base64.StdEncoding.EncodeToString([]byte(v.(string)))
 	}
 
 	placement := &ec2.Placement{

builtin/providers/aws/resource_aws_instance_test.go

@@ -392,7 +392,7 @@ resource "aws_instance" "foo" {
 
 	instance_type = "m1.small"
 	security_groups = ["${aws_security_group.tf_test_foo.name}"]
-	user_data = "foo"
+	user_data = "foo:-with-character's"
 }
 `