Adding backup_retention_period, preferred_backup_window and preferred_maintenance_window to RDS Cluster

builtin/providers/aws/resource_aws_rds_cluster.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"regexp"
+	"strings"
 	"time"
 
 	"github.com/aws/aws-sdk-go/aws"
@@ -122,6 +123,33 @@ func resourceAwsRDSCluster() *schema.Resource {
 				Elem:     &schema.Schema{Type: schema.TypeString},
 				Set:      schema.HashString,
 			},
+
+			"preferred_backup_window": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+			},
+
+			"preferred_maintenance_window": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				StateFunc: func(val interface{}) string {
+					return strings.ToLower(val.(string))
+				},
+			},
+
+			"backup_retention_period": &schema.Schema{
+				Type:     schema.TypeInt,
+				Optional: true,
+				Default:  1,
+				ValidateFunc: func(v interface{}, k string) (ws []string, es []error) {
+					value := v.(int)
+					if value > 35 {
+						es = append(es, fmt.Errorf(
+							"backup retention period cannot be more than 35 days"))
+					}
+					return
+				},
+			},
 		},
 	}
 }
@@ -156,6 +184,18 @@ func resourceAwsRDSClusterCreate(d *schema.ResourceData, meta interface{}) error
 		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))
+	}
+
 	log.Printf("[DEBUG] RDS Cluster create options: %s", createOpts)
 	resp, err := conn.CreateDBCluster(createOpts)
 	if err != nil {
@@ -223,6 +263,9 @@ func resourceAwsRDSClusterRead(d *schema.ResourceData, meta interface{}) error {
 	d.Set("engine", dbc.Engine)
 	d.Set("master_username", dbc.MasterUsername)
 	d.Set("port", dbc.Port)
+	d.Set("backup_retention_period", dbc.BackupRetentionPeriod)
+	d.Set("preferred_backup_window", dbc.PreferredBackupWindow)
+	d.Set("preferred_maintenance_window", dbc.PreferredMaintenanceWindow)
 
 	var vpcg []string
 	for _, g := range dbc.VpcSecurityGroups {
@@ -263,6 +306,18 @@ func resourceAwsRDSClusterUpdate(d *schema.ResourceData, meta interface{}) error
 		}
 	}
 
+	if d.HasChange("preferred_backup_window") {
+		req.PreferredBackupWindow = aws.String(d.Get("preferred_backup_window").(string))
+	}
+
+	if d.HasChange("preferred_maintaince_window") {
+		req.PreferredMaintenanceWindow = aws.String(d.Get("preferred_maintaince_window").(string))
+	}
+
+	if d.HasChange("backup_retention_limit") {
+		req.BackupRetentionPeriod = aws.Int64(int64(d.Get("backup_retention_limit").(int)))
+	}
+
 	_, err := conn.ModifyDBCluster(req)
 	if err != nil {
 		return fmt.Errorf("[WARN] Error modifying RDS Cluster (%s): %s", d.Id(), err)

builtin/providers/aws/resource_aws_rds_cluster_test.go

@@ -26,6 +26,12 @@ func TestAccAWSRDSCluster_basic(t *testing.T) {
 				Config: testAccAWSClusterConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSClusterExists("aws_rds_cluster.default", &v),
+					resource.TestCheckResourceAttr(
+						"aws_rds_cluster.default", "preferred_backup_window", "07:00-09:00"),
+					resource.TestCheckResourceAttr(
+						"aws_rds_cluster.default", "backup_retention_period", "5"),
+					resource.TestCheckResourceAttr(
+						"aws_rds_cluster.default", "preferred_maintenance_window", "tue:04:00-tue:04:30"),
 				),
 			},
 		},
@@ -105,4 +111,7 @@ resource "aws_rds_cluster" "default" {
   database_name = "mydb"
   master_username = "foo"
   master_password = "mustbeeightcharaters"
+  backup_retention_period = 5
+  preferred_backup_window = "07:00-09:00"
+  preferred_maintenance_window = "tue:04:00-tue:04:30"
 }`, rand.New(rand.NewSource(time.Now().UnixNano())).Int())

website/source/docs/providers/aws/r/rds_cluster.html.markdown

@@ -24,6 +24,8 @@ resource "aws_rds_cluster" "default" {
   database_name = "mydb"
   master_username = "foo"
   master_password = "bar"
+  backup_retention_period = 5
+  preferred_backup_window = "07:00-09:00"
 }
 ```
 
@@ -52,6 +54,9 @@ string.
   instances in the DB cluster can be created in
 * `backup_retention_period` - (Optional) The days to retain backups for. Default
 1
+* `preferred_backup_window` - (Optional) The daily time range during which automated backups are created if automated backups are enabled using the BackupRetentionPeriod parameter. 
+Default: A 30-minute window selected at random from an 8-hour block of time per region. e.g. 04:00-09:00
+* `preferred_maintenance_window` - (Optional) The weekly time range during which system maintenance can occur, in (UTC) e.g. wed:04:00-wed:04:30
 * `port` - (Optional) The port on which the DB accepts connections
 * `vpc_security_group_ids` - (Optional) List of VPC security groups to associate
   with the Cluster
@@ -70,7 +75,8 @@ The following attributes are exported:
 * `allocated_storage` - The amount of allocated storage
 * `availability_zones` - The availability zone of the instance
 * `backup_retention_period` - The backup retention period
-* `backup_window` - The backup window
+* `preferred_backup_window` - The backup window
+* `preferred_maintenance_window` - The maintenance window
 * `endpoint` - The primary, writeable connection endpoint
 * `engine` - The database engine
 * `engine_version` - The database engine version
@@ -80,6 +86,7 @@ The following attributes are exported:
 * `status` - The RDS instance status
 * `username` - The master username for the database
 * `storage_encrypted` - Specifies whether the DB instance is encrypted
+* `preferred_backup_window` - The daily time range during which the backups happen
 
 [1]: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Overview.Replication.html