Implement aws_secretsmanager_random_password data source

internal/provider/provider.go

@@ -850,6 +850,7 @@ func Provider() *schema.Provider {
 			"aws_secretsmanager_secret_rotation": secretsmanager.DataSourceSecretRotation(),
 			"aws_secretsmanager_secret_version":  secretsmanager.DataSourceSecretVersion(),
 			"aws_secretsmanager_secrets":         secretsmanager.DataSourceSecrets(),
+			"aws_secretsmanager_random_password": secretsmanager.DataSourceRandomPassword(),
 
 			"aws_serverlessapplicationrepository_application": serverlessrepo.DataSourceApplication(),
 

internal/service/secretsmanager/random_password_data_source.go

@@ -0,0 +1,117 @@
+package secretsmanager
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/service/secretsmanager"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/hashicorp/terraform-provider-aws/internal/conns"
+)
+
+func DataSourceRandomPassword() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceRandomPasswordRead,
+
+		Schema: map[string]*schema.Schema{
+			"exclude_characters": {
+				Type:     schema.TypeString,
+				Optional: true,
+			},
+			"exclude_lowercase": {
+				Type:     schema.TypeBool,
+				Optional: true,
+			},
+			"exclude_numbers": {
+				Type:     schema.TypeBool,
+				Optional: true,
+			},
+			"exclude_punctuation": {
+				Type:     schema.TypeBool,
+				Optional: true,
+			},
+			"exclude_uppercase": {
+				Type:     schema.TypeBool,
+				Optional: true,
+			},
+			"include_space": {
+				Type:     schema.TypeBool,
+				Optional: true,
+			},
+			"password_length": {
+				Type:     schema.TypeInt,
+				Optional: true,
+				Default:  32,
+			},
+			"require_each_included_type": {
+				Type:     schema.TypeBool,
+				Optional: true,
+			},
+			"random_password": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+		},
+	}
+}
+
+func dataSourceRandomPasswordRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*conns.AWSClient).SecretsManagerConn
+
+	var excludeCharacters string
+	if v, ok := d.GetOk("exclude_characters"); ok {
+		excludeCharacters = v.(string)
+	}
+	var excludeLowercase bool
+	if v, ok := d.GetOk("exclude_lowercase"); ok {
+		excludeLowercase = v.(bool)
+	}
+	var excludeNumbers bool
+	if v, ok := d.GetOk("exclude_numbers"); ok {
+		excludeNumbers = v.(bool)
+	}
+	var excludePunctuation bool
+	if v, ok := d.GetOk("exclude_punctuation"); ok {
+		excludePunctuation = v.(bool)
+	}
+	var excludeUppercase bool
+	if v, ok := d.GetOk("exclude_uppercase"); ok {
+		excludeUppercase = v.(bool)
+	}
+	var includeSpace bool
+	if v, ok := d.GetOk("exclude_space"); ok {
+		includeSpace = v.(bool)
+	}
+	var passwordLength int64
+	if v, ok := d.GetOk("password_length"); ok {
+		passwordLength = int64(v.(int))
+	}
+	var requireEachIncludedType bool
+	if v, ok := d.GetOk("require_each_included_type"); ok {
+		requireEachIncludedType = v.(bool)
+	}
+
+	input := &secretsmanager.GetRandomPasswordInput{
+		ExcludeCharacters:       aws.String(excludeCharacters),
+		ExcludeLowercase:        aws.Bool(excludeLowercase),
+		ExcludeNumbers:          aws.Bool(excludeNumbers),
+		ExcludePunctuation:      aws.Bool(excludePunctuation),
+		ExcludeUppercase:        aws.Bool(excludeUppercase),
+		IncludeSpace:            aws.Bool(includeSpace),
+		PasswordLength:          aws.Int64(passwordLength),
+		RequireEachIncludedType: aws.Bool(requireEachIncludedType),
+	}
+
+	log.Printf("[DEBUG] Reading Secrets Manager Get Random Password: %s", input)
+	output, err := conn.GetRandomPassword(input)
+	if err != nil {
+		return fmt.Errorf("error reading Secrets Manager Get Random Password: %w", err)
+	}
+
+	d.SetId(aws.StringValue(output.RandomPassword))
+	d.Set("random_password", output.RandomPassword)
+
+	return nil
+}

internal/service/secretsmanager/random_password_data_source_test.go

@@ -0,0 +1,107 @@
+package secretsmanager_test
+
+import (
+	"fmt"
+	"testing"
+	"unicode"
+
+	"github.com/aws/aws-sdk-go/service/secretsmanager"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
+	"github.com/hashicorp/terraform-provider-aws/internal/acctest"
+)
+
+func TestAccSecretsManagerRandomPasswordDataSource_basic(t *testing.T) {
+	datasourceName := "data.aws_secretsmanager_random_password.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { acctest.PreCheck(t); testAccPreCheck(t) },
+		ErrorCheck:        acctest.ErrorCheck(t, secretsmanager.EndpointsID),
+		ProviderFactories: acctest.ProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccRandomPasswordDataSourceConfig_basic(),
+				Check: resource.ComposeTestCheckFunc(
+					testAccRandomPasswordDataSource(datasourceName, 40),
+				),
+			},
+		},
+	})
+}
+
+func TestAccSecretsManagerRandomPasswordDataSource_exclude(t *testing.T) {
+	datasourceName := "data.aws_secretsmanager_random_password.test"
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { acctest.PreCheck(t); testAccPreCheck(t) },
+		ErrorCheck:        acctest.ErrorCheck(t, secretsmanager.EndpointsID),
+		ProviderFactories: acctest.ProviderFactories,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccRandomPasswordDataSourceConfig_exclude(),
+				Check: resource.ComposeTestCheckFunc(
+					func(s *terraform.State) error {
+						dataSource, ok := s.RootModule().Resources[datasourceName]
+						if !ok {
+							return fmt.Errorf("root module has no resource called %s", datasourceName)
+						}
+
+						if len(dataSource.Primary.Attributes["random_password"]) != 40 {
+							return fmt.Errorf(
+								"len(%s) != %d",
+								dataSource.Primary.Attributes["random_password"],
+								40,
+							)
+						}
+
+						for _, r := range dataSource.Primary.Attributes["random_password"] {
+							if !(unicode.IsLower(r) && unicode.IsLetter(r)) {
+								return fmt.Errorf("expected only lowercase letters")
+							}
+						}
+
+						return nil
+					},
+				),
+			},
+		},
+	})
+}
+
+func testAccRandomPasswordDataSource(datasourceName string, expectedLength int) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		dataSource, ok := s.RootModule().Resources[datasourceName]
+		if !ok {
+			return fmt.Errorf("root module has no resource called %s", datasourceName)
+		}
+
+		if len(dataSource.Primary.Attributes["random_password"]) != expectedLength {
+			return fmt.Errorf(
+				"len(%s) != %d",
+				dataSource.Primary.Attributes["random_password"],
+				expectedLength,
+			)
+		}
+
+		return nil
+	}
+}
+
+func testAccRandomPasswordDataSourceConfig_basic() string {
+	return `
+data "aws_secretsmanager_random_password" "test" {
+  password_length = 40
+}
+`
+}
+
+func testAccRandomPasswordDataSourceConfig_exclude() string {
+	return `
+data "aws_secretsmanager_random_password" "test" {
+  password_length     = 40
+  exclude_numbers     = true
+  exclude_uppercase   = true
+  exclude_punctuation = true
+}
+`
+}

website/docs/d/secretsmanager_random_password.html.markdown

@@ -0,0 +1,35 @@
+---
+subcategory: "Secrets Manager"
+layout: "aws"
+page_title: "AWS: aws_secretsmanager_random_password"
+description: |-
+  Generate a random password
+---
+
+# Data Source: aws_secretsmanager_random_password
+
+Generate a random password.
+
+## Example Usage
+
+```terraform
+data "aws_secretsmanager_random_password" "test" {
+  password_length = 50
+  exclude_numbers = true
+}
+```
+
+## Argument Reference
+
+* `exclude_characters` - (Optional) A string of the characters that you don't want in the password.
+* `exclude_lowercase` - (Optional) Specifies whether to exclude lowercase letters from the password.
+* `exclude_numbers` - (Optional) Specifies whether to exclude numbers from the password.
+* `exclude_punctuation` - (Optional) Specifies whether to exclude the following punctuation characters from the password: ``! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { | } ~ .``
+* `exclude_uppercase` - (Optional) Specifies whether to exclude uppercase letters from the password.
+* `include_space` - (Optional) Specifies whether to include the space character.
+* `password_length` - (Optional) The length of the password.
+* `require_each_included_type` - (Optional) Specifies whether to include at least one upper and lowercase letter, one number, and one punctuation.
+
+## Attributes Reference
+
+* `random_password` - The random password.