provider/aws: Allow importing iam_saml_provider (#7605)

builtin/providers/aws/import_aws_iam_saml_provider_test.go

@@ -0,0 +1,28 @@
+package aws
+
+import (
+	"testing"
+
+	"github.com/hashicorp/terraform/helper/resource"
+)
+
+func TestAccAWSIAMSamlProvider_importBasic(t *testing.T) {
+	resourceName := "aws_iam_saml_provider.salesforce"
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckIAMSamlProviderDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccIAMSamlProviderConfig,
+			},
+
+			resource.TestStep{
+				ResourceName:      resourceName,
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
+		},
+	})
+}

builtin/providers/aws/resource_aws_iam_saml_provider.go

@@ -1,6 +1,8 @@
 package aws
 
 import (
+	"fmt"
+	"regexp"
 	"time"
 
 	"github.com/aws/aws-sdk-go/aws"
@@ -16,6 +18,10 @@ func resourceAwsIamSamlProvider() *schema.Resource {
 		Update: resourceAwsIamSamlProviderUpdate,
 		Delete: resourceAwsIamSamlProviderDelete,
 
+		Importer: &schema.ResourceImporter{
+			State: schema.ImportStatePassthrough,
+		},
+
 		Schema: map[string]*schema.Schema{
 			"arn": &schema.Schema{
 				Type:     schema.TypeString,
@@ -69,6 +75,11 @@ func resourceAwsIamSamlProviderRead(d *schema.ResourceData, meta interface{}) er
 
 	validUntil := out.ValidUntil.Format(time.RFC1123)
 	d.Set("arn", d.Id())
+	name, err := extractNameFromIAMSamlProviderArn(d.Id())
+	if err != nil {
+		return err
+	}
+	d.Set("name", name)
 	d.Set("valid_until", validUntil)
 	d.Set("saml_metadata_document", *out.SAMLMetadataDocument)
 
@@ -100,3 +111,13 @@ func resourceAwsIamSamlProviderDelete(d *schema.ResourceData, meta interface{})
 
 	return err
 }
+
+func extractNameFromIAMSamlProviderArn(arn string) (string, error) {
+	// arn:aws:iam::123456789012:saml-provider/tf-salesforce-test
+	r := regexp.MustCompile("^arn:aws:iam::[0-9]{12}:saml-provider/(.+)$")
+	submatches := r.FindStringSubmatch(arn)
+	if len(submatches) != 2 {
+		return "", fmt.Errorf("Unable to extract name from a given ARN: %q", arn)
+	}
+	return submatches[1], nil
+}