fix: WebACL associations make timeout configurable.

The time taken for a WebACl to get in a state
where it can be associated varies and in recent
times has become larger than the hardcoded timeout.

Making this configurable to allow for this.

internal/service/wafv2/web_acl_association.go

@@ -33,6 +33,10 @@ func ResourceWebACLAssociation() *schema.Resource {
 			StateContext: schema.ImportStatePassthroughContext,
 		},
 
+		Timeouts: &schema.ResourceTimeout{
+			Create: schema.DefaultTimeout(webACLAssociationCreateTimeout),
+		},
+
 		Schema: map[string]*schema.Schema{
 			"resource_arn": {
 				Type:         schema.TypeString,
@@ -62,7 +66,7 @@ func resourceWebACLAssociationCreate(ctx context.Context, d *schema.ResourceData
 	}
 
 	log.Printf("[INFO] Creating WAFv2 WebACL Association: %s", input)
-	_, err := tfresource.RetryWhenAWSErrCodeEquals(ctx, webACLAssociationCreateTimeout, func() (interface{}, error) {
+	_, err := tfresource.RetryWhenAWSErrCodeEquals(ctx, d.Timeout(schema.TimeoutCreate), func() (interface{}, error) {
 		return conn.AssociateWebACLWithContext(ctx, input)
 	}, wafv2.ErrCodeWAFUnavailableEntityException)
 

website/docs/r/wafv2_web_acl_association.html.markdown

@@ -92,6 +92,12 @@ The following arguments are supported:
 
 No additional attributes are exported.
 
+## Timeouts
+
+[Configuration options](https://www.terraform.io/docs/configuration/blocks/resources/syntax.html#operation-timeouts):
+
+* `create` - (Default `5m`)
+
 ## Import
 
 WAFv2 Web ACL Association can be imported using `WEB_ACL_ARN,RESOURCE_ARN` e.g.,