Merge pull request #28254 from phzietsman/main

d/aws_lambda_functions: new data resource

.changelog/28254.txt

@@ -0,0 +1,3 @@
+```release-note:new-resource
+aws_lambda_functions
+```

internal/provider/provider.go

@@ -759,6 +759,7 @@ func New(_ context.Context) (*schema.Provider, error) {
 			"aws_lambda_code_signing_config": lambda.DataSourceCodeSigningConfig(),
 			"aws_lambda_function_url":        lambda.DataSourceFunctionURL(),
 			"aws_lambda_function":            lambda.DataSourceFunction(),
+			"aws_lambda_functions":           lambda.DataSourceFunctions(),
 			"aws_lambda_invocation":          lambda.DataSourceInvocation(),
 			"aws_lambda_layer_version":       lambda.DataSourceLayerVersion(),
 

internal/service/lambda/functions_data_source.go

@@ -0,0 +1,72 @@
+package lambda
+
+import (
+	"context"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/lambda"
+	"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/names"
+)
+
+const (
+	DSNameFunctions = "Functions Data Source"
+)
+
+func DataSourceFunctions() *schema.Resource {
+	return &schema.Resource{
+		ReadWithoutTimeout: dataSourceFunctionsRead,
+
+		Schema: map[string]*schema.Schema{
+			"function_arns": {
+				Type:     schema.TypeList,
+				Computed: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+			},
+			"function_names": {
+				Type:     schema.TypeList,
+				Computed: true,
+				Elem:     &schema.Schema{Type: schema.TypeString},
+			},
+		},
+	}
+}
+
+func dataSourceFunctionsRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	conn := meta.(*conns.AWSClient).LambdaConn
+
+	input := &lambda.ListFunctionsInput{}
+
+	var functionARNs []string
+	var functionNames []string
+
+	err := conn.ListFunctionsPagesWithContext(ctx, input, func(page *lambda.ListFunctionsOutput, lastPage bool) bool {
+		if page == nil {
+			return !lastPage
+		}
+
+		for _, function := range page.Functions {
+			if function == nil {
+				continue
+			}
+
+			functionARNs = append(functionARNs, aws.StringValue(function.FunctionArn))
+			functionNames = append(functionNames, aws.StringValue(function.FunctionName))
+		}
+
+		return !lastPage
+	})
+
+	if err != nil {
+		return create.DiagError(names.Lambda, create.ErrActionReading, DSNameFunctions, "", err)
+	}
+
+	d.SetId(meta.(*conns.AWSClient).Region)
+	d.Set("function_arns", functionARNs)
+	d.Set("function_names", functionNames)
+
+	return nil
+}

internal/service/lambda/functions_data_source_test.go

@@ -0,0 +1,38 @@
+package lambda_test
+
+import (
+	"testing"
+
+	"github.com/aws/aws-sdk-go/service/lambda"
+	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"
+)
+
+func TestAccLambdaFunctionsDataSource_basic(t *testing.T) {
+	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
+	dataSourceName := "data.aws_lambda_functions.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:                 func() { acctest.PreCheck(t) },
+		ErrorCheck:               acctest.ErrorCheck(t, lambda.EndpointsID),
+		ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccFunctionsDataSourceConfig_basic(rName),
+				Check: resource.ComposeAggregateTestCheckFunc(
+					acctest.CheckResourceAttrGreaterThanValue(dataSourceName, "function_arns.#", "0"),
+					acctest.CheckResourceAttrGreaterThanValue(dataSourceName, "function_names.#", "0"),
+				),
+			},
+		},
+	})
+}
+
+func testAccFunctionsDataSourceConfig_basic(rName string) string {
+	return acctest.ConfigCompose(testAccFunctionConfig_basic(rName, rName, rName, rName), `
+data "aws_lambda_functions" "test" {
+  depends_on = [aws_lambda_function.test]
+}
+`)
+}

website/docs/d/lambda_functions.html.markdown

@@ -0,0 +1,28 @@
+---
+subcategory: "Lambda"
+layout: "aws"
+page_title: "AWS: aws_lambda_functions"
+description: |-
+  Terraform data resource to get a list of Lambda Functions.
+---
+
+# aws_lambda_functions
+
+Terraform data resource to get a list of Lambda Functions.
+
+## Example Usage
+
+```terraform
+data "aws_lambda_functions" "all" {}
+```
+
+## Argument Reference
+
+The resource does not support any arguments.
+
+## Attributes Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `function_names` - A list of Lambda Function names.
+* `function_arns` - A list of Lambda Function ARNs.