New Data Sources: aws_outposts_site(s) (#13825)

Output from acceptance testing:

```
--- PASS: TestAccAWSOutpostsSiteDataSource_Id (24.36s)
--- PASS: TestAccAWSOutpostsSiteDataSource_Name (27.23s)

--- PASS: TestAccAWSOutpostsSitesDataSource_basic (19.61s)
```

aws/data_source_aws_outposts_site.go

@@ -0,0 +1,91 @@
+package aws
+
+import (
+	"fmt"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/outposts"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+)
+
+func dataSourceAwsOutpostsSite() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceAwsOutpostsSiteRead,
+
+		Schema: map[string]*schema.Schema{
+			"account_id": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"description": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+			"id": {
+				Type:         schema.TypeString,
+				Optional:     true,
+				Computed:     true,
+				ExactlyOneOf: []string{"id", "name"},
+			},
+			"name": {
+				Type:         schema.TypeString,
+				Optional:     true,
+				Computed:     true,
+				ExactlyOneOf: []string{"id", "name"},
+			},
+		},
+	}
+}
+
+func dataSourceAwsOutpostsSiteRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).outpostsconn
+
+	input := &outposts.ListSitesInput{}
+
+	var results []*outposts.Site
+
+	err := conn.ListSitesPages(input, func(page *outposts.ListSitesOutput, lastPage bool) bool {
+		if page == nil {
+			return !lastPage
+		}
+
+		for _, site := range page.Sites {
+			if site == nil {
+				continue
+			}
+
+			if v, ok := d.GetOk("id"); ok && v.(string) != aws.StringValue(site.SiteId) {
+				continue
+			}
+
+			if v, ok := d.GetOk("name"); ok && v.(string) != aws.StringValue(site.Name) {
+				continue
+			}
+
+			results = append(results, site)
+		}
+
+		return !lastPage
+	})
+
+	if err != nil {
+		return fmt.Errorf("error listing Outposts Sites: %w", err)
+	}
+
+	if len(results) == 0 {
+		return fmt.Errorf("no Outposts Site found matching criteria; try different search")
+	}
+
+	if len(results) > 1 {
+		return fmt.Errorf("multiple Outposts Sites found matching criteria; try different search")
+	}
+
+	site := results[0]
+
+	d.SetId(aws.StringValue(site.SiteId))
+	d.Set("account_id", site.AccountId)
+	d.Set("description", site.Description)
+	d.Set("name", site.Name)
+
+	return nil
+}

aws/data_source_aws_outposts_site_test.go

@@ -0,0 +1,76 @@
+package aws
+
+import (
+	"fmt"
+	"regexp"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+)
+
+func TestAccAWSOutpostsSiteDataSource_Id(t *testing.T) {
+	dataSourceName := "data.aws_outposts_site.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t); testAccPreCheckAWSOutpostsSites(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: nil,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSOutpostsSiteDataSourceConfigId(),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckResourceAttrAccountID(dataSourceName, "account_id"),
+					resource.TestCheckResourceAttrSet(dataSourceName, "description"),
+					resource.TestMatchResourceAttr(dataSourceName, "id", regexp.MustCompile(`^os-.+$`)),
+					resource.TestMatchResourceAttr(dataSourceName, "name", regexp.MustCompile(`^.+$`)),
+				),
+			},
+		},
+	})
+}
+
+func TestAccAWSOutpostsSiteDataSource_Name(t *testing.T) {
+	sourceDataSourceName := "data.aws_outposts_site.source"
+	dataSourceName := "data.aws_outposts_site.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t); testAccPreCheckAWSOutpostsSites(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: nil,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSOutpostsSiteDataSourceConfigName(),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttrPair(dataSourceName, "account_id", sourceDataSourceName, "account_id"),
+					resource.TestCheckResourceAttrPair(dataSourceName, "description", sourceDataSourceName, "description"),
+					resource.TestCheckResourceAttrPair(dataSourceName, "id", sourceDataSourceName, "id"),
+					resource.TestCheckResourceAttrPair(dataSourceName, "name", sourceDataSourceName, "name"),
+				),
+			},
+		},
+	})
+}
+
+func testAccAWSOutpostsSiteDataSourceConfigId() string {
+	return fmt.Sprintf(`
+data "aws_outposts_sites" "test" {}
+
+data "aws_outposts_site" "test" {
+  id = tolist(data.aws_outposts_sites.test.ids)[0]
+}
+`)
+}
+
+func testAccAWSOutpostsSiteDataSourceConfigName() string {
+	return fmt.Sprintf(`
+data "aws_outposts_sites" "test" {}
+
+data "aws_outposts_site" "source" {
+  id = tolist(data.aws_outposts_sites.test.ids)[0]
+}
+
+data "aws_outposts_site" "test" {
+  name = data.aws_outposts_site.source.name
+}
+`)
+}

aws/data_source_aws_outposts_sites.go

@@ -0,0 +1,60 @@
+package aws
+
+import (
+	"fmt"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/outposts"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+)
+
+func dataSourceAwsOutpostsSites() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceAwsOutpostsSitesRead,
+
+		Schema: map[string]*schema.Schema{
+			"ids": {
+				Type:     schema.TypeSet,
+				Computed: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+			},
+		},
+	}
+}
+
+func dataSourceAwsOutpostsSitesRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).outpostsconn
+
+	input := &outposts.ListSitesInput{}
+
+	var ids []string
+
+	err := conn.ListSitesPages(input, func(page *outposts.ListSitesOutput, lastPage bool) bool {
+		if page == nil {
+			return !lastPage
+		}
+
+		for _, site := range page.Sites {
+			if site == nil {
+				continue
+			}
+
+			ids = append(ids, aws.StringValue(site.SiteId))
+		}
+
+		return !lastPage
+	})
+
+	if err != nil {
+		return fmt.Errorf("error listing Outposts Sites: %w", err)
+	}
+
+	if err := d.Set("ids", ids); err != nil {
+		return fmt.Errorf("error setting ids: %w", err)
+	}
+
+	d.SetId(resource.UniqueId())
+
+	return nil
+}

aws/data_source_aws_outposts_sites_test.go

@@ -0,0 +1,70 @@
+package aws
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/aws/aws-sdk-go/service/outposts"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/terraform"
+)
+
+func TestAccAWSOutpostsSitesDataSource_basic(t *testing.T) {
+	dataSourceName := "data.aws_outposts_sites.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t); testAccPreCheckAWSOutpostsSites(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: nil,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAWSOutpostsSitesDataSourceConfig(),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckOutpostsSitesAttributes(dataSourceName),
+				),
+			},
+		},
+	})
+}
+
+func testAccCheckOutpostsSitesAttributes(dataSourceName string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		rs, ok := s.RootModule().Resources[dataSourceName]
+		if !ok {
+			return fmt.Errorf("Not found: %s", dataSourceName)
+		}
+
+		if v := rs.Primary.Attributes["ids.#"]; v == "0" {
+			return fmt.Errorf("expected at least one ids result, got none")
+		}
+
+		return nil
+	}
+}
+
+func testAccPreCheckAWSOutpostsSites(t *testing.T) {
+	conn := testAccProvider.Meta().(*AWSClient).outpostsconn
+
+	input := &outposts.ListSitesInput{}
+
+	output, err := conn.ListSites(input)
+
+	if testAccPreCheckSkipError(err) {
+		t.Skipf("skipping acceptance testing: %s", err)
+	}
+
+	if err != nil {
+		t.Fatalf("unexpected PreCheck error: %s", err)
+	}
+
+	// Ensure there is at least one Site
+	if output == nil || len(output.Sites) == 0 {
+		t.Skip("skipping since no Sites Outpost found")
+	}
+}
+
+func testAccAWSOutpostsSitesDataSourceConfig() string {
+	return fmt.Sprintf(`
+data "aws_outposts_sites" "test" {}
+`)
+}

aws/provider.go

@@ -290,6 +290,8 @@ func Provider() terraform.ResourceProvider {
 			"aws_organizations_organizational_units":         dataSourceAwsOrganizationsOrganizationalUnits(),
 			"aws_outposts_outpost":                           dataSourceAwsOutpostsOutpost(),
 			"aws_outposts_outposts":                          dataSourceAwsOutpostsOutposts(),
+			"aws_outposts_site":                              dataSourceAwsOutpostsSite(),
+			"aws_outposts_sites":                             dataSourceAwsOutpostsSites(),
 			"aws_partition":                                  dataSourceAwsPartition(),
 			"aws_prefix_list":                                dataSourceAwsPrefixList(),
 			"aws_pricing_product":                            dataSourceAwsPricingProduct(),

website/aws.erb

@@ -2459,6 +2459,12 @@
                                 <li>
                                     <a href="/docs/providers/aws/d/outposts_outposts.html">aws_outposts_outposts</a>
                                 </li>
+                                <li>
+                                    <a href="/docs/providers/aws/d/outposts_site.html">aws_outposts_site</a>
+                                </li>
+                                <li>
+                                    <a href="/docs/providers/aws/d/outposts_sites.html">aws_outposts_sites</a>
+                                </li>
                             </ul>
                         </li>
                     </ul>

website/docs/d/outposts_site.html.markdown

@@ -0,0 +1,33 @@
+---
+subcategory: "Outposts"
+layout: "aws"
+page_title: "AWS: aws_outposts_site"
+description: |-
+  Provides details about an Outposts Site
+---
+
+# Data Source: aws_outposts_site
+
+Provides details about an Outposts Site.
+
+## Example Usage
+
+```hcl
+data "aws_outposts_site" "example" {
+  name = "example"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `id` - (Optional) Identifier of the Site.
+* `name` - (Optional) Name of the Site.
+
+## Attribute Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `account_id` - AWS Account identifier.
+* `description` - Description.

website/docs/d/outposts_sites.html.markdown

@@ -0,0 +1,27 @@
+---
+subcategory: "Outposts"
+layout: "aws"
+page_title: "AWS: aws_outposts_sites"
+description: |-
+  Provides details about multiple Outposts Sites.
+---
+
+# Data Source: aws_outposts_sites
+
+Provides details about multiple Outposts Sites.
+
+## Example Usage
+
+```hcl
+data "aws_outposts_sites" "all" {}
+```
+
+## Argument Reference
+
+There are no arguments available for this data source.
+
+## Attribute Reference
+
+The following attributes are exported:
+
+* `ids` - Set of Outposts Site identifiers.