New Resource: aws_neptune_cluster_parameter_group

aws/provider.go

@@ -625,6 +625,7 @@ func Provider() terraform.ResourceProvider {
 			"aws_batch_job_definition":                     resourceAwsBatchJobDefinition(),
 			"aws_batch_job_queue":                          resourceAwsBatchJobQueue(),
 			"aws_neptune_subnet_group":                     resourceAwsNeptuneSubnetGroup(),
+			"aws_neptune_cluster_parameter_group":          resourceAwsNeptuneClusterParameterGroup(),
 
 			// ALBs are actually LBs because they can be type `network` or `application`
 			// To avoid regressions, we will add a new resource for each and they both point

aws/resource_aws_neptune_cluster_parameter_group.go

@@ -0,0 +1,259 @@
+package aws
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/neptune"
+
+	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/hashicorp/terraform/helper/validation"
+)
+
+const neptuneClusterParameterGroupMaxParamsBulkEdit = 20
+
+func resourceAwsNeptuneClusterParameterGroup() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceAwsNeptuneClusterParameterGroupCreate,
+		Read:   resourceAwsNeptuneClusterParameterGroupRead,
+		Update: resourceAwsNeptuneClusterParameterGroupUpdate,
+		Delete: resourceAwsNeptuneClusterParameterGroupDelete,
+		Importer: &schema.ResourceImporter{
+			State: schema.ImportStatePassthrough,
+		},
+
+		Schema: map[string]*schema.Schema{
+			"arn": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"name": {
+				Type:          schema.TypeString,
+				Optional:      true,
+				Computed:      true,
+				ForceNew:      true,
+				ConflictsWith: []string{"name_prefix"},
+				ValidateFunc:  validateNeptuneParamGroupName,
+			},
+			"name_prefix": {
+				Type:         schema.TypeString,
+				Optional:     true,
+				Computed:     true,
+				ForceNew:     true,
+				ValidateFunc: validateNeptuneParamGroupNamePrefix,
+			},
+			"family": {
+				Type:     schema.TypeString,
+				Required: true,
+				ForceNew: true,
+			},
+			"description": {
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+				Default:  "Managed by Terraform",
+			},
+			"parameter": {
+				Type:     schema.TypeSet,
+				Optional: true,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"name": {
+							Type:     schema.TypeString,
+							Required: true,
+						},
+						"value": {
+							Type:     schema.TypeString,
+							Required: true,
+						},
+						"apply_method": {
+							Type:     schema.TypeString,
+							Optional: true,
+							Default:  neptune.ApplyMethodPendingReboot,
+							ValidateFunc: validation.StringInSlice([]string{
+								neptune.ApplyMethodImmediate,
+								neptune.ApplyMethodPendingReboot,
+							}, false),
+						},
+					},
+				},
+			},
+
+			"tags": tagsSchema(),
+		},
+	}
+}
+
+func resourceAwsNeptuneClusterParameterGroupCreate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).neptuneconn
+	tags := tagsFromMapNeptune(d.Get("tags").(map[string]interface{}))
+
+	var groupName string
+	if v, ok := d.GetOk("name"); ok {
+		groupName = v.(string)
+	} else if v, ok := d.GetOk("name_prefix"); ok {
+		groupName = resource.PrefixedUniqueId(v.(string))
+	} else {
+		groupName = resource.UniqueId()
+	}
+
+	createOpts := neptune.CreateDBClusterParameterGroupInput{
+		DBClusterParameterGroupName: aws.String(groupName),
+		DBParameterGroupFamily:      aws.String(d.Get("family").(string)),
+		Description:                 aws.String(d.Get("description").(string)),
+		Tags:                        tags,
+	}
+
+	log.Printf("[DEBUG] Create Neptune Cluster Parameter Group: %#v", createOpts)
+	resp, err := conn.CreateDBClusterParameterGroup(&createOpts)
+	if err != nil {
+		return fmt.Errorf("Error creating Neptune Cluster Parameter Group: %s", err)
+	}
+
+	d.SetId(aws.StringValue(createOpts.DBClusterParameterGroupName))
+	log.Printf("[INFO] Neptune Cluster Parameter Group ID: %s", d.Id())
+
+	d.Set("arn", resp.DBClusterParameterGroup.DBClusterParameterGroupArn)
+
+	return resourceAwsNeptuneClusterParameterGroupUpdate(d, meta)
+}
+
+func resourceAwsNeptuneClusterParameterGroupRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).neptuneconn
+
+	describeOpts := neptune.DescribeDBClusterParameterGroupsInput{
+		DBClusterParameterGroupName: aws.String(d.Id()),
+	}
+
+	describeResp, err := conn.DescribeDBClusterParameterGroups(&describeOpts)
+	if err != nil {
+		if isAWSErr(err, neptune.ErrCodeDBParameterGroupNotFoundFault, "") {
+			log.Printf("[WARN] Neptune Cluster Parameter Group (%s) not found, removing from state", d.Id())
+			d.SetId("")
+			return nil
+		}
+
+		return err
+	}
+
+	if len(describeResp.DBClusterParameterGroups) == 0 {
+		log.Printf("[WARN] Neptune Cluster Parameter Group (%s) not found, removing from state", d.Id())
+		d.SetId("")
+		return nil
+	}
+
+	d.Set("name", describeResp.DBClusterParameterGroups[0].DBClusterParameterGroupName)
+	d.Set("family", describeResp.DBClusterParameterGroups[0].DBParameterGroupFamily)
+	d.Set("description", describeResp.DBClusterParameterGroups[0].Description)
+	arn := aws.StringValue(describeResp.DBClusterParameterGroups[0].DBClusterParameterGroupArn)
+	d.Set("arn", arn)
+
+	// Only include user customized parameters as there's hundreds of system/default ones
+	describeParametersOpts := neptune.DescribeDBClusterParametersInput{
+		DBClusterParameterGroupName: aws.String(d.Id()),
+		Source: aws.String("user"),
+	}
+
+	describeParametersResp, err := conn.DescribeDBClusterParameters(&describeParametersOpts)
+	if err != nil {
+		return err
+	}
+
+	if err := d.Set("parameter", flattenNeptuneParameters(describeParametersResp.Parameters)); err != nil {
+		return fmt.Errorf("error setting neptune parameter: %s", err)
+	}
+
+	resp, err := conn.ListTagsForResource(&neptune.ListTagsForResourceInput{
+		ResourceName: aws.String(arn),
+	})
+	if err != nil {
+		log.Printf("[DEBUG] Error retrieving tags for ARN: %s", arn)
+	}
+
+	if err := d.Set("tags", tagsToMapNeptune(resp.TagList)); err != nil {
+		return fmt.Errorf("error setting neptune tags: %s", err)
+	}
+
+	return nil
+}
+
+func resourceAwsNeptuneClusterParameterGroupUpdate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).neptuneconn
+
+	d.Partial(true)
+
+	if d.HasChange("parameter") {
+		o, n := d.GetChange("parameter")
+		if o == nil {
+			o = new(schema.Set)
+		}
+		if n == nil {
+			n = new(schema.Set)
+		}
+
+		os := o.(*schema.Set)
+		ns := n.(*schema.Set)
+
+		parameters, err := expandNeptuneParameters(ns.Difference(os).List())
+		if err != nil {
+			return err
+		}
+
+		if len(parameters) > 0 {
+			// We can only modify 20 parameters at a time, so walk them until
+			// we've got them all.
+			for parameters != nil {
+				paramsToModify := make([]*neptune.Parameter, 0)
+				if len(parameters) <= neptuneClusterParameterGroupMaxParamsBulkEdit {
+					paramsToModify, parameters = parameters[:], nil
+				} else {
+					paramsToModify, parameters = parameters[:neptuneClusterParameterGroupMaxParamsBulkEdit], parameters[neptuneClusterParameterGroupMaxParamsBulkEdit:]
+				}
+				parameterGroupName := d.Get("name").(string)
+				modifyOpts := neptune.ModifyDBClusterParameterGroupInput{
+					DBClusterParameterGroupName: aws.String(parameterGroupName),
+					Parameters:                  paramsToModify,
+				}
+
+				log.Printf("[DEBUG] Modify Neptune Cluster Parameter Group: %s", modifyOpts)
+				_, err = conn.ModifyDBClusterParameterGroup(&modifyOpts)
+				if err != nil {
+					return fmt.Errorf("Error modifying Neptune Cluster Parameter Group: %s", err)
+				}
+			}
+			d.SetPartial("parameter")
+		}
+	}
+
+	arn := d.Get("arn").(string)
+	if err := setTagsNeptune(conn, d, arn); err != nil {
+		return err
+	} else {
+		d.SetPartial("tags")
+	}
+
+	d.Partial(false)
+
+	return resourceAwsNeptuneClusterParameterGroupRead(d, meta)
+}
+
+func resourceAwsNeptuneClusterParameterGroupDelete(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).neptuneconn
+
+	input := neptune.DeleteDBClusterParameterGroupInput{
+		DBClusterParameterGroupName: aws.String(d.Id()),
+	}
+
+	log.Printf("[DEBUG] Deleting Neptune Cluster Parameter Group: %s", d.Id())
+	_, err := conn.DeleteDBClusterParameterGroup(&input)
+	if err != nil {
+		if isAWSErr(err, neptune.ErrCodeDBParameterGroupNotFoundFault, "") {
+			return nil
+		}
+		return fmt.Errorf("error deleting Neptune Cluster Parameter Group (%s): %s", d.Id(), err)
+	}
+
+	return nil
+}