Merge pull request #1415 from stack72/b-aws-rdscluster-set-engine-15803

resource/aws_rds_cluster: Allow setting of rds cluster engine

aws/resource_aws_rds_cluster.go

@@ -97,7 +97,8 @@ func resourceAwsRDSCluster() *schema.Resource {
 
 			"engine": {
 				Type:     schema.TypeString,
-				Computed: true,
+				Optional: true,
+				Default:  "aurora",
 			},
 
 			"storage_encrypted": {
@@ -274,7 +275,7 @@ func resourceAwsRDSClusterCreate(d *schema.ResourceData, meta interface{}) error
 		opts := rds.RestoreDBClusterFromSnapshotInput{
 			DBClusterIdentifier: aws.String(d.Get("cluster_identifier").(string)),
 			SnapshotIdentifier:  aws.String(d.Get("snapshot_identifier").(string)),
-			Engine:              aws.String("aurora"),
+			Engine:              aws.String(d.Get("engine").(string)),
 			Tags:                tags,
 		}
 
@@ -352,7 +353,7 @@ func resourceAwsRDSClusterCreate(d *schema.ResourceData, meta interface{}) error
 	} else if _, ok := d.GetOk("replication_source_identifier"); ok {
 		createOpts := &rds.CreateDBClusterInput{
 			DBClusterIdentifier:         aws.String(d.Get("cluster_identifier").(string)),
-			Engine:                      aws.String("aurora"),
+			Engine:                      aws.String(d.Get("engine").(string)),
 			StorageEncrypted:            aws.Bool(d.Get("storage_encrypted").(bool)),
 			ReplicationSourceIdentifier: aws.String(d.Get("replication_source_identifier").(string)),
 			Tags: tags,
@@ -414,7 +415,7 @@ func resourceAwsRDSClusterCreate(d *schema.ResourceData, meta interface{}) error
 
 		createOpts := &rds.CreateDBClusterInput{
 			DBClusterIdentifier: aws.String(d.Get("cluster_identifier").(string)),
-			Engine:              aws.String("aurora"),
+			Engine:              aws.String(d.Get("engine").(string)),
 			MasterUserPassword:  aws.String(d.Get("master_password").(string)),
 			MasterUsername:      aws.String(d.Get("master_username").(string)),
 			StorageEncrypted:    aws.Bool(d.Get("storage_encrypted").(bool)),

website/docs/r/rds_cluster.html.markdown

@@ -85,6 +85,7 @@ Default: A 30-minute window selected at random from an 8-hour block of time per
 * `kms_key_id` - (Optional) The ARN for the KMS encryption key. When specifying `kms_key_id`, `storage_encrypted` needs to be set to true.
 * `iam_roles` - (Optional) A List of ARNs for the IAM roles to associate to the RDS Cluster.
 * `iam_database_authentication_enabled` - (Optional) Specifies whether or mappings of AWS Identity and Access Management (IAM) accounts to database accounts is enabled.
+* `engine` - (Optional) The name of the database engine to be used for this DB cluster. Defaults to `aurora`.
 
 
 ## Attributes Reference