d/aws_wafregional_rule: Add WAFRegional Rule lookup datasource

aws/data_source_aws_wafregional_rule.go

@@ -0,0 +1,61 @@
+package aws
+
+import (
+	"fmt"
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/waf"
+
+	"github.com/hashicorp/terraform/helper/schema"
+)
+
+func dataSourceAwsWafRegionalRule() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceAwsWafRegionalRuleRead,
+
+		Schema: map[string]*schema.Schema{
+			"name": {
+				Type:     schema.TypeString,
+				Required: true,
+			},
+		},
+	}
+}
+
+func dataSourceAwsWafRegionalRuleRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).wafregionalconn
+	name := d.Get("name").(string)
+
+	rules := make([]*waf.RuleSummary, 0)
+	// ListRulesInput does not have a name parameter for filtering
+	input := &waf.ListRulesInput{}
+	for {
+		output, err := conn.ListRules(input)
+		if err != nil {
+			return fmt.Errorf("error reading WAF Rule: %s", err)
+		}
+		for _, rule := range output.Rules {
+			if aws.StringValue(rule.Name) == name {
+				rules = append(rules, rule)
+			}
+		}
+
+		if output.NextMarker == nil {
+			break
+		}
+		input.NextMarker = output.NextMarker
+	}
+
+	if len(rules) == 0 {
+		return fmt.Errorf("WAF Rule not found for name: %s", name)
+	}
+
+	if len(rules) > 1 {
+		return fmt.Errorf("multiple WAF Rules found for name: %s", name)
+	}
+
+	rule := rules[0]
+
+	d.SetId(aws.StringValue(rule.RuleId))
+
+	return nil
+}

aws/data_source_aws_wafregional_rule_test.go

@@ -0,0 +1,53 @@
+package aws
+
+import (
+	"fmt"
+	"github.com/hashicorp/terraform/helper/acctest"
+	"regexp"
+	"testing"
+
+	"github.com/hashicorp/terraform/helper/resource"
+)
+
+func TestAccDataSourceAwsWafRegionalRule_Basic(t *testing.T) {
+	name := acctest.RandomWithPrefix("tf-acc-test")
+	resourceName := "aws_wafregional_rule.wafrule"
+	datasourceName := "data.aws_wafregional_rule.wafrule"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				Config:      testAccDataSourceAwsWafRegionalRuleConfig_NonExistent,
+				ExpectError: regexp.MustCompile(`WAF Rule not found`),
+			},
+			{
+				Config: testAccDataSourceAwsWafRegionalRuleConfig_Name(name),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttrPair(datasourceName, "id", resourceName, "id"),
+					resource.TestCheckResourceAttrPair(datasourceName, "name", resourceName, "name"),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceAwsWafRegionalRuleConfig_Name(name string) string {
+	return fmt.Sprintf(`
+resource "aws_wafregional_rule" "wafrule" {
+  name        = %[1]q
+  metric_name = "WafruleTest"
+}
+
+data "aws_wafregional_rule" "wafrule" {
+  name = "${aws_wafregional_rule.wafrule.name}"
+}
+`, name)
+}
+
+const testAccDataSourceAwsWafRegionalRuleConfig_NonExistent = `
+data "aws_wafregional_rule" "wafrule" {
+  name = "tf-acc-test-does-not-exist"
+}
+`

aws/provider.go

@@ -273,6 +273,7 @@ func Provider() terraform.ResourceProvider {
 			"aws_vpc_peering_connection":                    dataSourceAwsVpcPeeringConnection(),
 			"aws_vpn_gateway":                               dataSourceAwsVpnGateway(),
 			"aws_waf_web_acl":                               dataSourceAwsWafWebAcl(),
+			"aws_wafregional_rule":                          dataSourceAwsWafRegionalRule(),
 			"aws_wafregional_web_acl":                       dataSourceAwsWafRegionalWebAcl(),
 			"aws_workspaces_bundle":                         dataSourceAwsWorkspaceBundle(),
 

website/aws.erb

@@ -454,6 +454,9 @@
                         <li>
                           <a href="/docs/providers/aws/d/waf_web_acl.html">aws_waf_web_acl</a>
                         </li>
+                        <li>
+                          <a href="/docs/providers/aws/d/wafregional_rule.html">aws_wafregional_rule</a>
+                        </li>
                         <li>
                           <a href="/docs/providers/aws/d/wafregional_web_acl.html">aws_wafregional_web_acl</a>
                         </li>

website/docs/d/wafregional_rule.html.markdown

@@ -0,0 +1,30 @@
+---
+layout: "aws"
+page_title: "AWS: aws_wafregional_rule"
+sidebar_current: "docs-aws-datasource-wafregional-rule"
+description: |-
+  Retrieves an AWS WAF Regional rule id.
+---
+
+# Data Source: aws_waf_rule
+
+`aws_wafregional_rule` Retrieves a WAF Regional Rule Resource Id.
+
+## Example Usage
+
+```hcl
+data "aws_wafregional_rule" "example" {
+  name = "tfWAFRule"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `name` - (Required) The name of the WAF rule.
+
+## Attributes Reference
+In addition to all arguments above, the following attributes are exported:
+
+* `id` - The ID of the WAF Regional rule.