moto/tests/test_secretsmanager/test_server.py

# -*- coding: utf-8 -*-
import json

import boto3
import pytest
import sure  # noqa # pylint: disable=unused-import

import moto.server as server
from moto import mock_secretsmanager, mock_lambda, mock_iam, mock_logs, settings
from tests.markers import requires_docker
from tests.test_awslambda.test_lambda import get_test_zip_file1

DEFAULT_SECRET_NAME = "test-secret"


@mock_secretsmanager
def test_get_secret_value():

    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foo-secret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    get_secret = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME, "VersionStage": "AWSCURRENT"},
        headers={"X-Amz-Target": "secretsmanager.GetSecretValue"},
    )

    json_data = json.loads(get_secret.data.decode("utf-8"))

    assert json_data["SecretString"] == "foo-secret"


@mock_secretsmanager
def test_get_secret_that_does_not_exist():

    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    get_secret = test_client.post(
        "/",
        data={"SecretId": "i-dont-exist", "VersionStage": "AWSCURRENT"},
        headers={"X-Amz-Target": "secretsmanager.GetSecretValue"},
    )
    json_data = json.loads(get_secret.data.decode("utf-8"))
    assert json_data["message"] == "Secrets Manager can't find the specified secret."
    assert json_data["__type"] == "ResourceNotFoundException"


@mock_secretsmanager
def test_get_secret_that_does_not_match():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foo-secret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    get_secret = test_client.post(
        "/",
        data={"SecretId": "i-dont-match", "VersionStage": "AWSCURRENT"},
        headers={"X-Amz-Target": "secretsmanager.GetSecretValue"},
    )
    json_data = json.loads(get_secret.data.decode("utf-8"))
    assert json_data["message"] == "Secrets Manager can't find the specified secret."
    assert json_data["__type"] == "ResourceNotFoundException"


@mock_secretsmanager
def test_get_secret_that_has_no_value():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    get_secret = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME},
        headers={"X-Amz-Target": "secretsmanager.GetSecretValue"},
    )

    json_data = json.loads(get_secret.data.decode("utf-8"))
    assert (
        json_data["message"]
        == "Secrets Manager can't find the specified secret value for staging label: AWSCURRENT"
    )
    assert json_data["__type"] == "ResourceNotFoundException"


@mock_secretsmanager
def test_create_secret():

    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    res = test_client.post(
        "/",
        data={"Name": "test-secret", "SecretString": "foo-secret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    res_2 = test_client.post(
        "/",
        data={"Name": "test-secret-2", "SecretString": "bar-secret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )

    json_data = json.loads(res.data.decode("utf-8"))
    assert json_data["ARN"] != ""
    assert json_data["Name"] == "test-secret"

    json_data_2 = json.loads(res_2.data.decode("utf-8"))
    assert json_data_2["ARN"] != ""
    assert json_data_2["Name"] == "test-secret-2"


@mock_secretsmanager
def test_describe_secret():

    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": "test-secret", "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    describe_secret = test_client.post(
        "/",
        data={"SecretId": "test-secret"},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    test_client.post(
        "/",
        data={"Name": "test-secret-2", "SecretString": "barsecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    describe_secret_2 = test_client.post(
        "/",
        data={"SecretId": "test-secret-2"},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    assert json_data  # Returned dict is not empty
    assert json_data["ARN"] != ""
    assert json_data["Name"] == "test-secret"

    json_data_2 = json.loads(describe_secret_2.data.decode("utf-8"))
    assert json_data_2  # Returned dict is not empty
    assert json_data_2["ARN"] != ""
    assert json_data_2["Name"] == "test-secret-2"


@mock_secretsmanager
def test_describe_secret_that_does_not_exist():

    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    describe_secret = test_client.post(
        "/",
        data={"SecretId": "i-dont-exist"},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    assert json_data["message"] == "Secrets Manager can't find the specified secret."
    assert json_data["__type"] == "ResourceNotFoundException"


@mock_secretsmanager
def test_describe_secret_that_does_not_match():

    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    describe_secret = test_client.post(
        "/",
        data={"SecretId": "i-dont-match"},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    assert json_data["message"] == "Secrets Manager can't find the specified secret."
    assert json_data["__type"] == "ResourceNotFoundException"


@mock_secretsmanager
def test_rotate_secret():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )

    client_request_token = "EXAMPLE2-90ab-cdef-fedc-ba987SECRET2"
    rotate_secret = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "ClientRequestToken": client_request_token,
        },
        headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
    )

    json_data = json.loads(rotate_secret.data.decode("utf-8"))
    assert json_data  # Returned dict is not empty
    assert json_data["ARN"] != ""
    assert json_data["Name"] == DEFAULT_SECRET_NAME
    assert json_data["VersionId"] == client_request_token


# @mock_secretsmanager
# def test_rotate_secret_enable_rotation():
#     backend = server.create_backend_app('secretsmanager')
#     test_client = backend.test_client()

#     create_secret = test_client.post(
#                         '/',
#                         data={
#                             "Name": "test-secret",
#                             "SecretString": "foosecret"
#                         },
#                         headers={
#                             "X-Amz-Target": "secretsmanager.CreateSecret"
#                         },
#                     )

#     initial_description = test_client.post(
#                             '/',
#                             data={
#                                 "SecretId": "test-secret"
#                             },
#                             headers={
#                                 "X-Amz-Target": "secretsmanager.DescribeSecret"
#                             },
#                           )

#     json_data = json.loads(initial_description.data.decode("utf-8"))
#     assert json_data   # Returned dict is not empty
#     assert json_data['RotationEnabled'] is False
#     assert json_data['RotationRules']['AutomaticallyAfterDays'] == 0

#     rotate_secret = test_client.post(
#                         '/',
#                         data={
#                             "SecretId": "test-secret",
#                             "RotationRules": {"AutomaticallyAfterDays": 42}
#                         },
#                         headers={
#                             "X-Amz-Target": "secretsmanager.RotateSecret"
#                         },
#                     )

#     rotated_description = test_client.post(
#                             '/',
#                             data={
#                                 "SecretId": "test-secret"
#                             },
#                             headers={
#                                 "X-Amz-Target": "secretsmanager.DescribeSecret"
#                             },
#                           )

#     json_data = json.loads(rotated_description.data.decode("utf-8"))
#     assert json_data   # Returned dict is not empty
#     assert json_data['RotationEnabled'] is True
#     assert json_data['RotationRules']['AutomaticallyAfterDays'] == 42


@mock_secretsmanager
def test_rotate_secret_that_does_not_exist():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    rotate_secret = test_client.post(
        "/",
        data={"SecretId": "i-dont-exist"},
        headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
    )

    json_data = json.loads(rotate_secret.data.decode("utf-8"))
    assert json_data["message"] == "Secrets Manager can't find the specified secret."
    assert json_data["__type"] == "ResourceNotFoundException"


@mock_secretsmanager
def test_rotate_secret_that_does_not_match():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )

    rotate_secret = test_client.post(
        "/",
        data={"SecretId": "i-dont-match"},
        headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
    )

    json_data = json.loads(rotate_secret.data.decode("utf-8"))
    assert json_data["message"] == "Secrets Manager can't find the specified secret."
    assert json_data["__type"] == "ResourceNotFoundException"


@mock_secretsmanager
def test_rotate_secret_that_is_still_rotating():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    create_secret = test_client.post(
        "/",
        data={
            "Name": DEFAULT_SECRET_NAME,
            "SecretString": "foosecret",
            # "VersionStages": ["AWSPENDING"],
        },
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    create_secret = json.loads(create_secret.data.decode("utf-8"))

    # Get the secret into a broken state.
    version_id = create_secret["VersionId"]
    test_client.post(
        "/",
        data={
            "SecretId": "test-secret",
            "VersionStage": "AWSPENDING",
            "MoveToVersionId": version_id,
        },
        headers={"X-Amz-Target": "secretsmanager.UpdateSecretVersionStage"},
    )
    describe_secret = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    metadata = json.loads(describe_secret.data.decode("utf-8"))
    assert metadata["SecretVersionsToStages"][version_id] == [
        "AWSCURRENT",
        "AWSPENDING",
    ]

    # Then attempt to rotate it
    rotate_secret = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME},
        headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
    )
    assert rotate_secret.status_code == 400


@mock_secretsmanager
def test_rotate_secret_client_request_token_too_short():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )

    client_request_token = "ED9F8B6C-85B7-B7E4-38F2A3BEB13C"
    rotate_secret = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "ClientRequestToken": client_request_token,
        },
        headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
    )

    json_data = json.loads(rotate_secret.data.decode("utf-8"))
    assert json_data["message"] == "ClientRequestToken must be 32-64 characters long."
    assert json_data["__type"] == "InvalidParameterException"


@mock_secretsmanager
def test_rotate_secret_client_request_token_too_long():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )

    client_request_token = (
        "ED9F8B6C-85B7-446A-B7E4-38F2A3BEB13C-" "ED9F8B6C-85B7-446A-B7E4-38F2A3BEB13C"
    )
    rotate_secret = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "ClientRequestToken": client_request_token,
        },
        headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
    )

    json_data = json.loads(rotate_secret.data.decode("utf-8"))
    assert json_data["message"] == "ClientRequestToken must be 32-64 characters long."
    assert json_data["__type"] == "InvalidParameterException"


@mock_secretsmanager
def test_rotate_secret_rotation_lambda_arn_too_long():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )

    rotation_lambda_arn = "85B7-446A-B7E4" * 147  # == 2058 characters
    rotate_secret = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "RotationLambdaARN": rotation_lambda_arn,
        },
        headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
    )

    json_data = json.loads(rotate_secret.data.decode("utf-8"))
    assert json_data["message"] == "RotationLambdaARN must <= 2048 characters long."
    assert json_data["__type"] == "InvalidParameterException"


if not settings.TEST_SERVER_MODE:

    @mock_iam
    @mock_lambda
    @mock_logs
    @mock_secretsmanager
    @requires_docker
    def test_rotate_secret_lambda_invocations():
        conn = boto3.client("iam", region_name="us-east-1")
        logs_conn = boto3.client("logs", region_name="us-east-1")
        role = conn.create_role(
            RoleName="role", AssumeRolePolicyDocument="some policy", Path="/my-path/"
        )

        conn = boto3.client("lambda", region_name="us-east-1")
        func = conn.create_function(
            FunctionName="testFunction",
            Code=dict(ZipFile=get_test_zip_file1()),
            Handler="lambda_function.lambda_handler",
            Runtime="python2.7",
            Role=role["Role"]["Arn"],
        )

        secretsmanager_backend = server.create_backend_app("secretsmanager")
        secretsmanager_client = secretsmanager_backend.test_client()

        secretsmanager_client.post(
            "/",
            data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
            headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
        )

        with pytest.raises(logs_conn.exceptions.ResourceNotFoundException):
            # The log group doesn't exist yet
            logs_conn.describe_log_streams(logGroupName="/aws/lambda/testFunction")

        secretsmanager_client.post(
            "/",
            data={
                "SecretId": DEFAULT_SECRET_NAME,
                "RotationLambdaARN": func["FunctionArn"],
            },
            headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
        )

        # The log group now exists and has been logged to 4 times (for each invocation)
        logs = logs_conn.describe_log_streams(logGroupName="/aws/lambda/testFunction")
        assert len(logs["logStreams"]) == 4

    @mock_iam
    @mock_lambda
    @mock_logs
    @mock_secretsmanager
    def test_rotate_secret_with_incorrect_lambda_arn():
        secretsmanager_backend = server.create_backend_app("secretsmanager")
        secretsmanager_client = secretsmanager_backend.test_client()

        secretsmanager_client.post(
            "/",
            data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
            headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
        )

        resp = secretsmanager_client.post(
            "/",
            data={"SecretId": DEFAULT_SECRET_NAME, "RotationLambdaARN": "notarealarn"},
            headers={"X-Amz-Target": "secretsmanager.RotateSecret"},
        )
        json_data = json.loads(resp.data.decode("utf-8"))
        assert json_data["message"] == "Resource not found for ARN 'notarealarn'."
        assert json_data["__type"] == "ResourceNotFoundException"
        assert resp.status_code == 404


@mock_secretsmanager
def test_put_secret_value_puts_new_secret():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()
    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": "foosecret",
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )

    put_second_secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": "foosecret",
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )
    second_secret_json_data = json.loads(
        put_second_secret_value_json.data.decode("utf-8")
    )

    version_id = second_secret_json_data["VersionId"]

    secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "VersionId": version_id,
            "VersionStage": "AWSCURRENT",
        },
        headers={"X-Amz-Target": "secretsmanager.GetSecretValue"},
    )

    second_secret_json_data = json.loads(secret_value_json.data.decode("utf-8"))

    assert second_secret_json_data
    assert second_secret_json_data["SecretString"] == "foosecret"


@mock_secretsmanager
def test_put_secret_value_can_get_first_version_if_put_twice():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    first_secret_string = "first_secret"
    second_secret_string = "second_secret"

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )

    put_first_secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": first_secret_string,
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )

    first_secret_json_data = json.loads(
        put_first_secret_value_json.data.decode("utf-8")
    )

    first_secret_version_id = first_secret_json_data["VersionId"]

    test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": second_secret_string,
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )

    get_first_secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "VersionId": first_secret_version_id,
            "VersionStage": "AWSPREVIOUS",
        },
        headers={"X-Amz-Target": "secretsmanager.GetSecretValue"},
    )

    get_first_secret_json_data = json.loads(
        get_first_secret_value_json.data.decode("utf-8")
    )

    assert get_first_secret_json_data
    assert get_first_secret_json_data["SecretString"] == first_secret_string


@mock_secretsmanager
def test_put_secret_value_versions_differ_if_same_secret_put_twice():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    put_first_secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": "secret",
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )
    first_secret_json_data = json.loads(
        put_first_secret_value_json.data.decode("utf-8")
    )
    first_secret_version_id = first_secret_json_data["VersionId"]

    put_second_secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": "secret",
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )
    second_secret_json_data = json.loads(
        put_second_secret_value_json.data.decode("utf-8")
    )
    second_secret_version_id = second_secret_json_data["VersionId"]

    assert first_secret_version_id != second_secret_version_id


@mock_secretsmanager
def test_can_list_secret_version_ids():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    put_first_secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": "secret",
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )
    first_secret_json_data = json.loads(
        put_first_secret_value_json.data.decode("utf-8")
    )
    first_secret_version_id = first_secret_json_data["VersionId"]
    put_second_secret_value_json = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "SecretString": "secret",
            "VersionStages": ["AWSCURRENT"],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )
    second_secret_json_data = json.loads(
        put_second_secret_value_json.data.decode("utf-8")
    )
    second_secret_version_id = second_secret_json_data["VersionId"]

    list_secret_versions_json = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME},
        headers={"X-Amz-Target": "secretsmanager.ListSecretVersionIds"},
    )

    versions_list = json.loads(list_secret_versions_json.data.decode("utf-8"))

    returned_version_ids = [v["VersionId"] for v in versions_list["Versions"]]

    assert [
        first_secret_version_id,
        second_secret_version_id,
    ].sort() == returned_version_ids.sort()


@mock_secretsmanager
def test_get_resource_policy_secret():

    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    test_client.post(
        "/",
        data={"Name": "test-secret", "SecretString": "foosecret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    describe_secret = test_client.post(
        "/",
        data={"SecretId": "test-secret"},
        headers={"X-Amz-Target": "secretsmanager.GetResourcePolicy"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    assert json_data  # Returned dict is not empty
    assert json_data["ARN"] != ""
    assert json_data["Name"] == "test-secret"


@mock_secretsmanager
@pytest.mark.parametrize("pass_arn", [True, False])
def test_update_secret_version_stage(pass_arn):
    custom_stage = "CUSTOM_STAGE"
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()
    create_secret = test_client.post(
        "/",
        data={"Name": "test-secret", "SecretString": "secret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    create_secret = json.loads(create_secret.data.decode("utf-8"))
    secret_id = create_secret["ARN"] if pass_arn else DEFAULT_SECRET_NAME
    initial_version = create_secret["VersionId"]

    # Create a new version
    put_secret = test_client.post(
        "/",
        data={
            "SecretId": secret_id,
            "SecretString": "secret",
            "VersionStages": [custom_stage],
        },
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )
    put_secret = json.loads(put_secret.data.decode("utf-8"))
    assert put_secret["VersionStages"] == [custom_stage]
    new_version = put_secret["VersionId"]

    describe_secret = test_client.post(
        "/",
        data={"SecretId": secret_id},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    stages = json_data["SecretVersionsToStages"]
    assert len(stages) == 2
    assert stages[initial_version] == ["AWSCURRENT"]
    assert stages[new_version] == [custom_stage]

    test_client.post(
        "/",
        data={
            "SecretId": secret_id,
            "VersionStage": custom_stage,
            "RemoveFromVersionId": new_version,
            "MoveToVersionId": initial_version,
        },
        headers={"X-Amz-Target": "secretsmanager.UpdateSecretVersionStage"},
    )

    describe_secret = test_client.post(
        "/",
        data={"SecretId": secret_id},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    stages = json_data["SecretVersionsToStages"]
    assert len(stages) == 2
    assert stages[initial_version] == ["AWSCURRENT", custom_stage]
    assert stages[new_version] == []


@mock_secretsmanager
def test_update_secret_version_stage_currentversion_handling():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()
    create_secret = test_client.post(
        "/",
        data={"Name": "test-secret", "SecretString": "secret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    create_secret = json.loads(create_secret.data.decode("utf-8"))
    initial_version = create_secret["VersionId"]

    # Create a new version
    put_secret = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME, "SecretString": "secret"},
        headers={"X-Amz-Target": "secretsmanager.PutSecretValue"},
    )
    put_secret = json.loads(put_secret.data.decode("utf-8"))
    new_version = put_secret["VersionId"]

    describe_secret = test_client.post(
        "/",
        data={"SecretId": "test-secret"},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    stages = json_data["SecretVersionsToStages"]
    assert len(stages) == 2
    assert stages[initial_version] == ["AWSPREVIOUS"]
    assert stages[new_version] == ["AWSCURRENT"]

    test_client.post(
        "/",
        data={
            "SecretId": "test-secret",
            "VersionStage": "AWSCURRENT",
            "RemoveFromVersionId": new_version,
            "MoveToVersionId": initial_version,
        },
        headers={"X-Amz-Target": "secretsmanager.UpdateSecretVersionStage"},
    )

    describe_secret = test_client.post(
        "/",
        data={"SecretId": "test-secret"},
        headers={"X-Amz-Target": "secretsmanager.DescribeSecret"},
    )

    json_data = json.loads(describe_secret.data.decode("utf-8"))
    stages = json_data["SecretVersionsToStages"]
    assert len(stages) == 2
    assert stages[initial_version] == ["AWSCURRENT"]
    assert stages[new_version] == ["AWSPREVIOUS"]


@mock_secretsmanager
def test_update_secret_version_stage_validation():
    backend = server.create_backend_app("secretsmanager")
    test_client = backend.test_client()

    # Secret ID that doesn't exist
    resp = test_client.post(
        "/",
        data={"SecretId": "nonexistent"},
        headers={"X-Amz-Target": "secretsmanager.UpdateSecretVersionStage"},
    )
    assert resp.status_code == 404

    # Add a secret so we can run further checks
    secret = test_client.post(
        "/",
        data={"Name": DEFAULT_SECRET_NAME, "SecretString": "secret"},
        headers={"X-Amz-Target": "secretsmanager.CreateSecret"},
    )
    secret = json.loads(secret.data.decode("utf-8"))

    # "Remove from" version ID that doesn't exist
    resp = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME, "RemoveFromVersionId": "nonexistent"},
        headers={"X-Amz-Target": "secretsmanager.UpdateSecretVersionStage"},
    )
    assert resp.status_code == 400

    # "Remove from" stage name which isn't attached to the given version
    resp = test_client.post(
        "/",
        data={
            "SecretId": DEFAULT_SECRET_NAME,
            "RemoveFromVersionId": secret["VersionId"],
            "VersionStage": "nonexistent",
        },
        headers={"X-Amz-Target": "secretsmanager.UpdateSecretVersionStage"},
    )
    assert resp.status_code == 400

    # "Move to" version ID that doesn't exist
    resp = test_client.post(
        "/",
        data={"SecretId": DEFAULT_SECRET_NAME, "MoveToVersionId": "nonexistent"},
        headers={"X-Amz-Target": "secretsmanager.UpdateSecretVersionStage"},
    )
    assert resp.status_code == 400


#
# The following tests should work, but fail on the embedded dict in
# RotationRules. The error message suggests a problem deeper in the code, which
# needs further investigation.
#

# @mock_secretsmanager
# def test_rotate_secret_rotation_period_zero():
#     backend = server.create_backend_app('secretsmanager')
#     test_client = backend.test_client()

#     create_secret = test_client.post('/',
#                         data={"Name": "test-secret",
#                               "SecretString": "foosecret"},
#                         headers={
#                             "X-Amz-Target": "secretsmanager.CreateSecret"
#                         },
#                     )

#     rotate_secret = test_client.post('/',
#                         data={"SecretId": "test-secret",
#                               "RotationRules": {"AutomaticallyAfterDays": 0}},
#                         headers={
#                             "X-Amz-Target": "secretsmanager.RotateSecret"
#                         },
#                     )

#     json_data = json.loads(rotate_secret.data.decode("utf-8"))
#     assert json_data['message'] == "RotationRules.AutomaticallyAfterDays must be within 1-1000."
#     assert json_data['__type'] == 'InvalidParameterException'

# @mock_secretsmanager
# def test_rotate_secret_rotation_period_too_long():
#     backend = server.create_backend_app('secretsmanager')
#     test_client = backend.test_client()

#     create_secret = test_client.post('/',
#                         data={"Name": "test-secret",
#                               "SecretString": "foosecret"},
#                         headers={
#                             "X-Amz-Target": "secretsmanager.CreateSecret"
#                         },
#                     )

#     rotate_secret = test_client.post('/',
#                         data={"SecretId": "test-secret",
#                               "RotationRules": {"AutomaticallyAfterDays": 1001}},
#                         headers={
#                             "X-Amz-Target": "secretsmanager.RotateSecret"
#                         },
#                     )

#     json_data = json.loads(rotate_secret.data.decode("utf-8"))
#     assert json_data['message'] == "RotationRules.AutomaticallyAfterDays must be within 1-1000."
#     assert json_data['__type'] == 'InvalidParameterException'