data-source/aws_rds_orderable_db_instance: New data source

aws/data_source_aws_rds_orderable_db_instance.go

@@ -0,0 +1,291 @@
+package aws
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/rds"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func dataSourceAwsRdsOrderableDbInstance() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceAwsRdsOrderableDbInstanceRead,
+		Schema: map[string]*schema.Schema{
+			"availability_zone_group": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
+			"availability_zones": {
+				Type:     schema.TypeList,
+				Computed: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+			},
+
+			"db_instance_class": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
+			"engine": {
+				Type:     schema.TypeString,
+				Required: true,
+			},
+
+			"engine_version": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
+			"license_model": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
+			"max_iops_per_db_instance": {
+				Type:     schema.TypeInt,
+				Computed: true,
+			},
+
+			"max_iops_per_gib": {
+				Type:     schema.TypeFloat,
+				Computed: true,
+			},
+
+			"max_storage_size": {
+				Type:     schema.TypeInt,
+				Computed: true,
+			},
+
+			"min_iops_per_db_instance": {
+				Type:     schema.TypeInt,
+				Computed: true,
+			},
+
+			"min_iops_per_gib": {
+				Type:     schema.TypeFloat,
+				Computed: true,
+			},
+
+			"min_storage_size": {
+				Type:     schema.TypeInt,
+				Computed: true,
+			},
+
+			"multi_az_capable": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"outpost_capable": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"preferred_db_instance_classes": {
+				Type:     schema.TypeList,
+				Optional: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+			},
+
+			"read_replica_capable": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"storage_type": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
+			"supported_engine_modes": {
+				Type:     schema.TypeList,
+				Computed: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+			},
+
+			"supports_enhanced_monitoring": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"supports_global_databases": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"supports_iam_database_authentication": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"supports_iops": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"supports_kerberos_authentication": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"supports_performance_insights": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"supports_storage_autoscaling": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"supports_storage_encryption": {
+				Type:     schema.TypeBool,
+				Computed: true,
+			},
+
+			"vpc": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Computed: true,
+			},
+		},
+	}
+}
+
+func dataSourceAwsRdsOrderableDbInstanceRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).rdsconn
+
+	input := &rds.DescribeOrderableDBInstanceOptionsInput{}
+
+	if v, ok := d.GetOk("availability_zone_group"); ok {
+		input.AvailabilityZoneGroup = aws.String(v.(string))
+	}
+
+	if v, ok := d.GetOk("db_instance_class"); ok {
+		input.DBInstanceClass = aws.String(v.(string))
+	}
+
+	if v, ok := d.GetOk("engine"); ok {
+		input.Engine = aws.String(v.(string))
+	}
+
+	if v, ok := d.GetOk("engine_version"); ok {
+		input.EngineVersion = aws.String(v.(string))
+	}
+
+	if v, ok := d.GetOk("license_model"); ok {
+		input.LicenseModel = aws.String(v.(string))
+	}
+
+	if v, ok := d.GetOk("vpc"); ok {
+		input.Vpc = aws.Bool(v.(bool))
+	}
+
+	log.Printf("[DEBUG] Reading RDS Orderable DB Instance Options: %v", input)
+	var instanceClassResults []*rds.OrderableDBInstanceOption
+
+	err := conn.DescribeOrderableDBInstanceOptionsPages(input, func(resp *rds.DescribeOrderableDBInstanceOptionsOutput, lastPage bool) bool {
+		for _, instanceOption := range resp.OrderableDBInstanceOptions {
+			if instanceOption == nil {
+				continue
+			}
+
+			if v, ok := d.GetOk("storage_type"); ok {
+				if aws.StringValue(instanceOption.StorageType) != v.(string) {
+					continue
+				}
+			}
+
+			instanceClassResults = append(instanceClassResults, instanceOption)
+		}
+		return !lastPage
+	})
+
+	if err != nil {
+		return fmt.Errorf("error reading RDS orderable DB instance options: %w", err)
+	}
+
+	if len(instanceClassResults) == 0 {
+		return fmt.Errorf("no RDS Orderable DB Instance options found matching criteria; try different search")
+	}
+
+	// preferred classes
+	var found *rds.OrderableDBInstanceOption
+	if l := d.Get("preferred_db_instance_classes").([]interface{}); len(l) > 0 {
+		for _, elem := range l {
+			preferredInstanceClass, ok := elem.(string)
+
+			if !ok {
+				continue
+			}
+
+			for _, instanceClassResult := range instanceClassResults {
+				if preferredInstanceClass == aws.StringValue(instanceClassResult.DBInstanceClass) {
+					found = instanceClassResult
+					break
+				}
+			}
+
+			if found != nil {
+				break
+			}
+		}
+	}
+
+	if found == nil && len(instanceClassResults) > 1 {
+		return fmt.Errorf("multiple RDS DB Instance Classes (%v) match the criteria; try a different search", instanceClassResults)
+	}
+
+	if found == nil && len(instanceClassResults) == 1 {
+		found = instanceClassResults[0]
+	}
+
+	if found == nil {
+		return fmt.Errorf("no RDS DB Instance Classes match the criteria; try a different search")
+	}
+
+	d.SetId(aws.StringValue(found.DBInstanceClass))
+
+	d.Set("db_instance_class", found.DBInstanceClass)
+	d.Set("availability_zone_group", found.AvailabilityZoneGroup)
+
+	var availabilityZones []string
+	for _, az := range found.AvailabilityZones {
+		availabilityZones = append(availabilityZones, aws.StringValue(az.Name))
+	}
+	d.Set("availability_zones", availabilityZones)
+
+	d.Set("engine", found.Engine)
+	d.Set("engine_version", found.EngineVersion)
+	d.Set("license_model", found.LicenseModel)
+	d.Set("max_iops_per_db_instance", found.MaxIopsPerDbInstance)
+	d.Set("max_iops_per_gib", found.MaxIopsPerGib)
+	d.Set("max_storage_size", found.MaxStorageSize)
+	d.Set("min_iops_per_db_instance", found.MinIopsPerDbInstance)
+	d.Set("min_iops_per_gib", found.MinIopsPerGib)
+	d.Set("min_storage_size", found.MinStorageSize)
+	d.Set("multi_az_capable", found.MultiAZCapable)
+	d.Set("outpost_capable", found.OutpostCapable)
+	d.Set("read_replica_capable", found.ReadReplicaCapable)
+	d.Set("storage_type", found.StorageType)
+	d.Set("supported_engine_modes", found.SupportedEngineModes)
+	d.Set("supports_enhanced_monitoring", found.SupportsEnhancedMonitoring)
+	d.Set("supports_global_databases", found.SupportsGlobalDatabases)
+	d.Set("supports_iam_database_authentication", found.SupportsIAMDatabaseAuthentication)
+	d.Set("supports_iops", found.SupportsIops)
+	d.Set("supports_kerberos_authentication", found.SupportsKerberosAuthentication)
+	d.Set("supports_performance_insights", found.SupportsPerformanceInsights)
+	d.Set("supports_storage_autoscaling", found.SupportsStorageAutoscaling)
+	d.Set("supports_storage_encryption", found.SupportsStorageEncryption)
+	d.Set("vpc", found.Vpc)
+
+	return nil
+}

aws/data_source_aws_rds_orderable_db_instance_test.go

@@ -0,0 +1,107 @@
+package aws
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/rds"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+)
+
+func TestAccAWSRdsOrderableDbInstanceDataSource_basic(t *testing.T) {
+	dataSourceName := "data.aws_rds_orderable_db_instance.test"
+	class := "db.t2.small"
+	engine := "mysql"
+	engineVersion := "5.7.22"
+	licenseModel := "general-public-license"
+	storageType := "standard"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t); testAccPreCheckAWSRdsOrderableDbInstance(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: nil,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSRdsOrderableDbInstanceDataSourceConfigBasic(class, engine, engineVersion, licenseModel, storageType),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(dataSourceName, "db_instance_class", class),
+					resource.TestCheckResourceAttr(dataSourceName, "engine", engine),
+					resource.TestCheckResourceAttr(dataSourceName, "engine_version", engineVersion),
+					resource.TestCheckResourceAttr(dataSourceName, "license_model", licenseModel),
+					resource.TestCheckResourceAttr(dataSourceName, "storage_type", storageType),
+				),
+			},
+		},
+	})
+}
+
+func TestAccAWSRdsOrderableDbInstanceDataSource_preferred(t *testing.T) {
+	dataSourceName := "data.aws_rds_orderable_db_instance.test"
+	engine := "mysql"
+	engineVersion := "5.7.22"
+	licenseModel := "general-public-license"
+	storageType := "standard"
+	preferredOption := "db.t2.small"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t); testAccPreCheckAWSRdsOrderableDbInstance(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: nil,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSRdsOrderableDbInstanceDataSourceConfigPreferred(engine, engineVersion, licenseModel, storageType, preferredOption),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(dataSourceName, "engine", engine),
+					resource.TestCheckResourceAttr(dataSourceName, "engine_version", engineVersion),
+					resource.TestCheckResourceAttr(dataSourceName, "license_model", licenseModel),
+					resource.TestCheckResourceAttr(dataSourceName, "storage_type", storageType),
+					resource.TestCheckResourceAttr(dataSourceName, "db_instance_class", preferredOption),
+				),
+			},
+		},
+	})
+}
+
+func testAccPreCheckAWSRdsOrderableDbInstance(t *testing.T) {
+	conn := testAccProvider.Meta().(*AWSClient).rdsconn
+
+	input := &rds.DescribeOrderableDBInstanceOptionsInput{
+		Engine: aws.String("mysql"),
+	}
+
+	_, err := conn.DescribeOrderableDBInstanceOptions(input)
+
+	if testAccPreCheckSkipError(err) {
+		t.Skipf("skipping acceptance testing: %s", err)
+	}
+
+	if err != nil {
+		t.Fatalf("unexpected PreCheck error: %s", err)
+	}
+}
+
+func testAccAWSRdsOrderableDbInstanceDataSourceConfigBasic(class, engine, version, license, storage string) string {
+	return fmt.Sprintf(`
+data "aws_rds_orderable_db_instance" "test" {
+  db_instance_class = %q
+  engine            = %q
+  engine_version    = %q
+  license_model     = %q
+  storage_type      = %q
+}
+`, class, engine, version, license, storage)
+}
+
+func testAccAWSRdsOrderableDbInstanceDataSourceConfigPreferred(engine, version, license, storage, preferredOption string) string {
+	return fmt.Sprintf(`
+data "aws_rds_orderable_db_instance" "test" {
+  engine         = %q
+  engine_version = %q
+  license_model  = %q
+  storage_type   = %q
+
+  preferred_db_instance_classes = ["db.xyz.xlarge", %q, "db.t3.small"]
+}
+`, engine, version, license, storage, preferredOption)
+}