Merge branch 'hawknewton-dms_event_subscription'

aws/provider.go

@@ -475,6 +475,7 @@ func Provider() terraform.ResourceProvider {
 			"aws_dlm_lifecycle_policy":                                resourceAwsDlmLifecyclePolicy(),
 			"aws_dms_certificate":                                     resourceAwsDmsCertificate(),
 			"aws_dms_endpoint":                                        resourceAwsDmsEndpoint(),
+			"aws_dms_event_subscription":                              resourceAwsDmsEventSubscription(),
 			"aws_dms_replication_instance":                            resourceAwsDmsReplicationInstance(),
 			"aws_dms_replication_subnet_group":                        resourceAwsDmsReplicationSubnetGroup(),
 			"aws_dms_replication_task":                                resourceAwsDmsReplicationTask(),

aws/resource_aws_dms_event_subscription.go

@@ -0,0 +1,283 @@
+package aws
+
+import (
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/arn"
+	dms "github.com/aws/aws-sdk-go/service/databasemigrationservice"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/validation"
+	"github.com/terraform-providers/terraform-provider-aws/aws/internal/keyvaluetags"
+)
+
+func resourceAwsDmsEventSubscription() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceAwsDmsEventSubscriptionCreate,
+		Read:   resourceAwsDmsEventSubscriptionRead,
+		Update: resourceAwsDmsEventSubscriptionUpdate,
+		Delete: resourceAwsDmsEventSubscriptionDelete,
+		Timeouts: &schema.ResourceTimeout{
+			Create: schema.DefaultTimeout(10 * time.Minute),
+			Delete: schema.DefaultTimeout(10 * time.Minute),
+			Update: schema.DefaultTimeout(10 * time.Minute),
+		},
+
+		Importer: &schema.ResourceImporter{
+			State: schema.ImportStatePassthrough,
+		},
+
+		Schema: map[string]*schema.Schema{
+			"arn": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"enabled": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Default:  true,
+			},
+			"event_categories": {
+				Type:     schema.TypeSet,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+				Set:      schema.HashString,
+				Required: true,
+			},
+			"name": {
+				Type:         schema.TypeString,
+				Required:     true,
+				ForceNew:     true,
+				ValidateFunc: validation.StringLenBetween(1, 255),
+			},
+			"sns_topic_arn": {
+				Type:         schema.TypeString,
+				Required:     true,
+				ValidateFunc: validateArn,
+			},
+			"source_ids": {
+				Type:     schema.TypeSet,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+				Set:      schema.HashString,
+				ForceNew: true,
+				Optional: true,
+			},
+			"source_type": {
+				Type:     schema.TypeString,
+				Optional: true,
+				// The API suppors modification but doing so loses all source_ids
+				ForceNew: true,
+				ValidateFunc: validation.StringInSlice([]string{
+					"replication-instance",
+					"replication-task",
+				}, false),
+			},
+			"tags": tagsSchema(),
+		},
+	}
+}
+
+func resourceAwsDmsEventSubscriptionCreate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).dmsconn
+
+	request := &dms.CreateEventSubscriptionInput{
+		Enabled:          aws.Bool(d.Get("enabled").(bool)),
+		SnsTopicArn:      aws.String(d.Get("sns_topic_arn").(string)),
+		SubscriptionName: aws.String(d.Get("name").(string)),
+		SourceType:       aws.String(d.Get("source_type").(string)),
+		Tags:             keyvaluetags.New(d.Get("tags").(map[string]interface{})).IgnoreAws().DatabasemigrationserviceTags(),
+	}
+
+	if v, ok := d.GetOk("event_categories"); ok {
+		request.EventCategories = expandStringList(v.(*schema.Set).List())
+	}
+
+	if v, ok := d.GetOk("source_ids"); ok {
+		request.SourceIds = expandStringList(v.(*schema.Set).List())
+	}
+
+	_, err := conn.CreateEventSubscription(request)
+
+	if err != nil {
+		return fmt.Errorf("error creating DMS Event Subscription (%s): %w", d.Get("name").(string), err)
+	}
+
+	d.SetId(d.Get("name").(string))
+
+	stateConf := &resource.StateChangeConf{
+		Pending:    []string{"creating", "modifying"},
+		Target:     []string{"active"},
+		Refresh:    resourceAwsDmsEventSubscriptionStateRefreshFunc(conn, d.Id()),
+		Timeout:    d.Timeout(schema.TimeoutCreate),
+		MinTimeout: 10 * time.Second,
+		Delay:      10 * time.Second,
+	}
+
+	_, err = stateConf.WaitForState()
+	if err != nil {
+		return fmt.Errorf("error waiting for DMS Event Subscription (%s) creation: %w", d.Id(), err)
+	}
+
+	return resourceAwsDmsEventSubscriptionRead(d, meta)
+}
+
+func resourceAwsDmsEventSubscriptionUpdate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).dmsconn
+
+	if d.HasChanges("enabled", "event_categories", "sns_topic_arn", "source_type") {
+		request := &dms.ModifyEventSubscriptionInput{
+			Enabled:          aws.Bool(d.Get("enabled").(bool)),
+			SnsTopicArn:      aws.String(d.Get("sns_topic_arn").(string)),
+			SubscriptionName: aws.String(d.Get("name").(string)),
+			SourceType:       aws.String(d.Get("source_type").(string)),
+		}
+
+		if v, ok := d.GetOk("event_categories"); ok {
+			request.EventCategories = expandStringList(v.(*schema.Set).List())
+		}
+
+		_, err := conn.ModifyEventSubscription(request)
+
+		if err != nil {
+			return fmt.Errorf("error updating DMS Event Subscription (%s): %w", d.Id(), err)
+		}
+
+		stateConf := &resource.StateChangeConf{
+			Pending:    []string{"modifying"},
+			Target:     []string{"active"},
+			Refresh:    resourceAwsDmsEventSubscriptionStateRefreshFunc(conn, d.Id()),
+			Timeout:    d.Timeout(schema.TimeoutUpdate),
+			MinTimeout: 10 * time.Second,
+			Delay:      10 * time.Second,
+		}
+
+		_, err = stateConf.WaitForState()
+		if err != nil {
+			return fmt.Errorf("error waiting for DMS Event Subscription (%s) modification: %w", d.Id(), err)
+		}
+	}
+
+	if d.HasChange("tags") {
+		o, n := d.GetChange("tags")
+
+		if err := keyvaluetags.DatabasemigrationserviceUpdateTags(conn, d.Get("arn").(string), o, n); err != nil {
+			return fmt.Errorf("error updating DMS Event Subscription (%s) tags: %s", d.Get("arn").(string), err)
+		}
+	}
+
+	return resourceAwsDmsEventSubscriptionRead(d, meta)
+}
+
+func resourceAwsDmsEventSubscriptionRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).dmsconn
+
+	request := &dms.DescribeEventSubscriptionsInput{
+		SubscriptionName: aws.String(d.Id()),
+	}
+
+	response, err := conn.DescribeEventSubscriptions(request)
+
+	if isAWSErr(err, dms.ErrCodeResourceNotFoundFault, "") {
+		log.Printf("[WARN] DMS event subscription (%s) not found, removing from state", d.Id())
+		d.SetId("")
+		return nil
+	}
+
+	if err != nil {
+		return fmt.Errorf("Error reading DMS event subscription: %s", err)
+	}
+
+	if response == nil || len(response.EventSubscriptionsList) == 0 || response.EventSubscriptionsList[0] == nil {
+		log.Printf("[WARN] DMS event subscription (%s) not found, removing from state", d.Id())
+		d.SetId("")
+		return nil
+	}
+
+	subscription := response.EventSubscriptionsList[0]
+
+	arn := arn.ARN{
+		Partition: meta.(*AWSClient).partition,
+		Service:   "dms",
+		Region:    meta.(*AWSClient).region,
+		AccountID: meta.(*AWSClient).accountid,
+		Resource:  fmt.Sprintf("es:%s", d.Id()),
+	}.String()
+	d.Set("arn", arn)
+
+	d.Set("enabled", subscription.Enabled)
+	d.Set("sns_topic_arn", subscription.SnsTopicArn)
+	d.Set("source_type", subscription.SourceType)
+	d.Set("name", d.Id())
+	d.Set("event_categories", flattenStringList(subscription.EventCategoriesList))
+	d.Set("source_ids", flattenStringList(subscription.SourceIdsList))
+
+	tags, err := keyvaluetags.DatabasemigrationserviceListTags(conn, arn)
+
+	if err != nil {
+		return fmt.Errorf("error listing tags for DMS Event Subscription (%s): %s", arn, err)
+	}
+
+	if err := d.Set("tags", tags.IgnoreAws().Map()); err != nil {
+		return fmt.Errorf("error setting tags: %s", err)
+	}
+
+	return nil
+}
+
+func resourceAwsDmsEventSubscriptionDelete(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).dmsconn
+
+	request := &dms.DeleteEventSubscriptionInput{
+		SubscriptionName: aws.String(d.Id()),
+	}
+
+	_, err := conn.DeleteEventSubscription(request)
+
+	if isAWSErr(err, dms.ErrCodeResourceNotFoundFault, "") {
+		return nil
+	}
+
+	if err != nil {
+		return fmt.Errorf("error deleting DMS Event Subscription (%s): %w", d.Id(), err)
+	}
+
+	stateConf := &resource.StateChangeConf{
+		Pending:    []string{"deleting"},
+		Target:     []string{},
+		Refresh:    resourceAwsDmsEventSubscriptionStateRefreshFunc(conn, d.Id()),
+		Timeout:    d.Timeout(schema.TimeoutDelete),
+		MinTimeout: 10 * time.Second,
+		Delay:      10 * time.Second,
+	}
+
+	_, err = stateConf.WaitForState()
+	if err != nil {
+		return fmt.Errorf("error waiting for DMS Event Subscription (%s) deletion: %w", d.Id(), err)
+	}
+
+	return nil
+}
+
+func resourceAwsDmsEventSubscriptionStateRefreshFunc(conn *dms.DatabaseMigrationService, name string) resource.StateRefreshFunc {
+	return func() (interface{}, string, error) {
+		v, err := conn.DescribeEventSubscriptions(&dms.DescribeEventSubscriptionsInput{
+			SubscriptionName: aws.String(name),
+		})
+
+		if isAWSErr(err, dms.ErrCodeResourceNotFoundFault, "") {
+			return nil, "", nil
+		}
+
+		if err != nil {
+			return nil, "", err
+		}
+
+		if v == nil || len(v.EventSubscriptionsList) == 0 || v.EventSubscriptionsList[0] == nil {
+			return nil, "", nil
+		}
+
+		return v, aws.StringValue(v.EventSubscriptionsList[0].Status), nil
+	}
+}