F vpclattice resource policy data source

.changelog/31372.txt

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+```release-note:new-data-source
+aws_vpclattice_resource_policy
+```

internal/service/vpclattice/resource_policy_data_source.go

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+package vpclattice
+
+import (
+	"context"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/hashicorp/terraform-provider-aws/internal/conns"
+	"github.com/hashicorp/terraform-provider-aws/internal/create"
+	"github.com/hashicorp/terraform-provider-aws/internal/verify"
+	"github.com/hashicorp/terraform-provider-aws/names"
+)
+
+// @SDKDataSource("aws_vpclattice_resource_policy", name="Resource Policy")
+func DataSourceResourcePolicy() *schema.Resource {
+	return &schema.Resource{
+		ReadWithoutTimeout: dataSourceResourcePolicyRead,
+
+		Schema: map[string]*schema.Schema{
+			"policy": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"resource_arn": {
+				Type:         schema.TypeString,
+				Required:     true,
+				ValidateFunc: verify.ValidARN,
+			},
+		},
+	}
+}
+
+const (
+	DSNameResourcePolicy = "Resource Policy Data Source"
+)
+
+func dataSourceResourcePolicyRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	conn := meta.(*conns.AWSClient).VPCLatticeClient()
+
+	resourceArn := d.Get("resource_arn").(string)
+
+	out, err := findResourcePolicyByID(ctx, conn, resourceArn)
+	if err != nil {
+		return create.DiagError(names.VPCLattice, create.ErrActionReading, DSNameResourcePolicy, d.Id(), err)
+	}
+
+	if out == nil {
+		return create.DiagError(names.VPCLattice, create.ErrActionReading, DSNameResourcePolicy, d.Id(), err)
+	}
+
+	d.SetId(resourceArn)
+	d.Set("policy", out.Policy)
+
+	return nil
+}

internal/service/vpclattice/resource_policy_data_source_test.go

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+package vpclattice_test
+
+import (
+	"fmt"
+	"regexp"
+	"testing"
+
+	sdkacctest "github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+	"github.com/hashicorp/terraform-provider-aws/internal/acctest"
+	"github.com/hashicorp/terraform-provider-aws/names"
+)
+
+func TestAccVPCLatticeResourcePolicyDataSource_basic(t *testing.T) {
+	ctx := acctest.Context(t)
+
+	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
+	dataSourceName := "data.aws_vpclattice_resource_policy.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck: func() {
+			acctest.PreCheck(ctx, t)
+			acctest.PreCheckPartitionHasService(t, names.VPCLatticeEndpointID)
+			testAccPreCheck(ctx, t)
+		},
+		ErrorCheck:               acctest.ErrorCheck(t, names.VPCLatticeEndpointID),
+		ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
+		CheckDestroy:             testAccCheckResourcePolicyDestroy(ctx),
+		Steps: []resource.TestStep{
+			{
+				Config: testAccResourcePolicyDataSourceConfig_basic(rName),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestMatchResourceAttr(dataSourceName, "policy", regexp.MustCompile(`"vpc-lattice:CreateServiceNetworkVpcAssociation","vpc-lattice:CreateServiceNetworkServiceAssociation","vpc-lattice:GetServiceNetwork"`)),
+					resource.TestCheckResourceAttrPair(dataSourceName, "resource_arn", "aws_vpclattice_service_network.test", "arn"),
+				),
+			},
+		},
+	})
+}
+func testAccResourcePolicyDataSourceConfig_create(rName string) string {
+	return fmt.Sprintf(`
+data "aws_caller_identity" "current" {}
+data "aws_partition" "current" {}
+
+resource "aws_vpclattice_service_network" "test" {
+  name = %[1]q
+}
+
+resource "aws_vpclattice_resource_policy" "test" {
+  resource_arn = aws_vpclattice_service_network.test.arn
+
+  policy = jsonencode({
+    Version = "2012-10-17",
+    Statement = [{
+      Sid    = "test-pol-principals-6"
+      Effect = "Allow"
+      Principal = {
+        "AWS" = "arn:${data.aws_partition.current.partition}:iam::${data.aws_caller_identity.current.account_id}:root"
+      }
+      Action = [
+        "vpc-lattice:CreateServiceNetworkVpcAssociation",
+        "vpc-lattice:CreateServiceNetworkServiceAssociation",
+        "vpc-lattice:GetServiceNetwork"
+      ]
+      Resource = aws_vpclattice_service_network.test.arn
+    }]
+  })
+}
+`, rName)
+}
+
+func testAccResourcePolicyDataSourceConfig_basic(rName string) string {
+	return acctest.ConfigCompose(testAccResourcePolicyDataSourceConfig_create(rName), `
+data "aws_vpclattice_resource_policy" "test" {
+  resource_arn = aws_vpclattice_resource_policy.test.resource_arn
+}
+`)
+}

website/docs/d/vpclattice_resource_policy.html.markdown

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+---
+subcategory: "VPC Lattice"
+layout: "aws"
+page_title: "AWS: aws_vpclattice_resource_policy"
+description: |-
+  Terraform data source for managing an AWS VPC Lattice Resource Policy.
+---
+
+# Data Source: aws_vpclattice_resource_policy
+
+Terraform data source for managing an AWS VPC Lattice Resource Policy.
+
+## Example Usage
+
+### Basic Usage
+
+```terraform
+data "aws_vpclattice_resource_policy" "example" {
+  resource_arn = aws_vpclattice_service_network.example.arn
+}
+```
+
+## Argument Reference
+
+The following arguments are required:
+
+* `resource_arn` - (Required) Resource ARN of the resource for which a policy is retrieved.
+
+## Attributes Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `policy` - JSON-encoded string representation of the applied resource policy.