From 2639ffcbecc313e7cb36a9cdb47ff20bfd79279b Mon Sep 17 00:00:00 2001
From: Linda Xu <lxu8@yahoo.com>
Date: Tue, 31 Jan 2017 05:39:24 -0800
Subject: [PATCH] add Aurora create corss region read replica cluster function
 (#11428)

---
 .../providers/aws/resource_aws_rds_cluster.go | 64 ++++++++++++++++++-
 .../providers/aws/r/rds_cluster.html.markdown |  1 +
 2 files changed, 63 insertions(+), 2 deletions(-)

diff --git a/builtin/providers/aws/resource_aws_rds_cluster.go b/builtin/providers/aws/resource_aws_rds_cluster.go
index b81af34ca9..1d5c7e1bd1 100644
--- a/builtin/providers/aws/resource_aws_rds_cluster.go
+++ b/builtin/providers/aws/resource_aws_rds_cluster.go
@@ -201,6 +201,11 @@ func resourceAwsRDSCluster() *schema.Resource {
 				ValidateFunc: validateArn,
 			},
 
+			"replication_source_identifier": {
+				Type:     schema.TypeString,
+				Optional: true,
+			},
+
 			"tags": tagsSchema(),
 		},
 	}
@@ -272,7 +277,7 @@ func resourceAwsRDSClusterCreate(d *schema.ResourceData, meta interface{}) error
 				Pending:    []string{"creating", "backing-up", "modifying"},
 				Target:     []string{"available"},
 				Refresh:    resourceAwsRDSClusterStateRefreshFunc(d, meta),
-				Timeout:    40 * time.Minute,
+				Timeout:    120 * time.Minute,
 				MinTimeout: 3 * time.Second,
 				Delay:      30 * time.Second, // Wait 30 secs before starting
 			}
@@ -288,6 +293,60 @@ func resourceAwsRDSClusterCreate(d *schema.ResourceData, meta interface{}) error
 				return err
 			}
 		}
+	} else if _, ok := d.GetOk("replication_source_identifier"); ok {
+		createOpts := &rds.CreateDBClusterInput{
+			DBClusterIdentifier:         aws.String(d.Get("cluster_identifier").(string)),
+			Engine:                      aws.String("aurora"),
+			StorageEncrypted:            aws.Bool(d.Get("storage_encrypted").(bool)),
+			ReplicationSourceIdentifier: aws.String(d.Get("replication_source_identifier").(string)),
+			Tags: tags,
+		}
+
+		if attr, ok := d.GetOk("port"); ok {
+			createOpts.Port = aws.Int64(int64(attr.(int)))
+		}
+
+		if attr, ok := d.GetOk("db_subnet_group_name"); ok {
+			createOpts.DBSubnetGroupName = aws.String(attr.(string))
+		}
+
+		if attr, ok := d.GetOk("db_cluster_parameter_group_name"); ok {
+			createOpts.DBClusterParameterGroupName = aws.String(attr.(string))
+		}
+
+		if attr := d.Get("vpc_security_group_ids").(*schema.Set); attr.Len() > 0 {
+			createOpts.VpcSecurityGroupIds = expandStringList(attr.List())
+		}
+
+		if attr := d.Get("availability_zones").(*schema.Set); attr.Len() > 0 {
+			createOpts.AvailabilityZones = expandStringList(attr.List())
+		}
+
+		if v, ok := d.GetOk("backup_retention_period"); ok {
+			createOpts.BackupRetentionPeriod = aws.Int64(int64(v.(int)))
+		}
+
+		if v, ok := d.GetOk("preferred_backup_window"); ok {
+			createOpts.PreferredBackupWindow = aws.String(v.(string))
+		}
+
+		if v, ok := d.GetOk("preferred_maintenance_window"); ok {
+			createOpts.PreferredMaintenanceWindow = aws.String(v.(string))
+		}
+
+		if attr, ok := d.GetOk("kms_key_id"); ok {
+			createOpts.KmsKeyId = aws.String(attr.(string))
+		}
+
+		log.Printf("[DEBUG] Create RDS Cluster as read replica: %s", createOpts)
+		resp, err := conn.CreateDBCluster(createOpts)
+		if err != nil {
+			log.Printf("[ERROR] Error creating RDS Cluster: %s", err)
+			return err
+		}
+
+		log.Printf("[DEBUG]: RDS Cluster create response: %s", resp)
+
 	} else {
 		if _, ok := d.GetOk("master_password"); !ok {
 			return fmt.Errorf(`provider.aws: aws_rds_cluster: %s: "master_password": required field is not set`, d.Get("name").(string))
@@ -367,7 +426,7 @@ func resourceAwsRDSClusterCreate(d *schema.ResourceData, meta interface{}) error
 		Pending:    []string{"creating", "backing-up", "modifying"},
 		Target:     []string{"available"},
 		Refresh:    resourceAwsRDSClusterStateRefreshFunc(d, meta),
-		Timeout:    40 * time.Minute,
+		Timeout:    120 * time.Minute,
 		MinTimeout: 3 * time.Second,
 	}
 
@@ -437,6 +496,7 @@ func resourceAwsRDSClusterRead(d *schema.ResourceData, meta interface{}) error {
 	d.Set("preferred_maintenance_window", dbc.PreferredMaintenanceWindow)
 	d.Set("kms_key_id", dbc.KmsKeyId)
 	d.Set("reader_endpoint", dbc.ReaderEndpoint)
+	d.Set("replication_source_identifier", dbc.ReplicationSourceIdentifier)
 
 	var vpcg []string
 	for _, g := range dbc.VpcSecurityGroups {
diff --git a/website/source/docs/providers/aws/r/rds_cluster.html.markdown b/website/source/docs/providers/aws/r/rds_cluster.html.markdown
index 6595e0131b..db24571fb0 100644
--- a/website/source/docs/providers/aws/r/rds_cluster.html.markdown
+++ b/website/source/docs/providers/aws/r/rds_cluster.html.markdown
@@ -105,6 +105,7 @@ load-balanced across replicas
 * `username` - The master username for the database
 * `storage_encrypted` - Specifies whether the DB cluster is encrypted
 * `preferred_backup_window` - The daily time range during which the backups happen
+* `replication_source_identifier` - ARN  of the source DB cluster if this DB cluster is created as a Read Replica.
 
 [1]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Overview.Replication.html