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Terratest lambda cloudwatch trigger #9

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Terratest lambda cloudwatch trigger #9

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2d43ac1
copied initial files as templates from simple terratest
alasseter-dds Jun 22, 2021
4c2327f
updated test.go
alasseter-dds Jun 22, 2021
7077a7b
brought over all the recent changes from dod-iac/terraform-module-tem…
alasseter-dds Jun 22, 2021
baf80b9
fixed bug with name TestTerraformCloudwatchTrigger
alasseter-dds Jun 22, 2021
56b8791
initial attempt at updating main.tf
alasseter-dds Jun 23, 2021
95b3e21
updated Makefile to match Master branch
alasseter-dds Jun 23, 2021
c583b0b
Merge branch 'master' into terratest-lambda-cloudwatch-trigger
alasseter-dds Jun 23, 2021
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40 changes: 40 additions & 0 deletions examples/cloudwatch-trigger/README.md
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<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
## Requirements

No requirements.

## Providers

| Name | Version |
|------|---------|
| <a name="provider_archive"></a> [archive](#provider\_archive) | n/a |
| <a name="provider_aws"></a> [aws](#provider\_aws) | n/a |

## Modules

| Name | Source | Version |
|------|--------|---------|
| <a name="module_lambda_function"></a> [lambda\_function](#module\_lambda\_function) | ../../ | n/a |

## Resources

| Name | Type |
|------|------|
| [archive_file.lambda_simple_zip_inline](https://registry.terraform.io/providers/hashicorp/archive/latest/docs/data-sources/file) | data source |
| [aws_region.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/region) | data source |

## Inputs

| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| <a name="input_tags"></a> [tags](#input\_tags) | n/a | `map(string)` | n/a | yes |
| <a name="input_test_name"></a> [test\_name](#input\_test\_name) | n/a | `string` | n/a | yes |

## Outputs

| Name | Description |
|------|-------------|
| <a name="output_lambda_function_name"></a> [lambda\_function\_name](#output\_lambda\_function\_name) | n/a |
| <a name="output_tags"></a> [tags](#output\_tags) | n/a |
| <a name="output_test_name"></a> [test\_name](#output\_test\_name) | n/a |
<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
2 changes: 2 additions & 0 deletions examples/cloudwatch-trigger/handler.py
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def lambda_handler(event, context):
return "hello world"
46 changes: 46 additions & 0 deletions examples/cloudwatch-trigger/main.tf
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// =================================================================
//
// Work of the U.S. Department of Defense, Defense Digital Service.
// Released as open source under the MIT License. See LICENSE file.
//
// =================================================================


data "aws_region" "current" {}

data "archive_file" "lambda_simple_zip_inline" {
type = "zip"
source_file = "${path.module}/handler.py"
output_path = "../../temp/lambda/simple.zip"
}

module "lambda_function" {
source = "../../"

source_directory = "./script_src/"

execution_role_name = format(
"test-func-lambda-execution-role-%s",
var.test_name
)

function_name = format(
"test-func-%s-%s",
var.test_name,
data.aws_region.current.name
)

function_description = "Function description."

filename = data.archive_file.lambda_simple_zip_inline.output_path

handler = "handler.lambda_handler"

runtime = "python3.8"

environment_variables = { Automation = "Terraform" }

tags = var.tags

schedule_expression = "rate(1 minute)"
}
19 changes: 19 additions & 0 deletions examples/cloudwatch-trigger/outputs.tf
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// =================================================================
//
// Work of the U.S. Department of Defense, Defense Digital Service.
// Released as open source under the MIT License. See LICENSE file.
//
// =================================================================


output "tags" {
value = var.tags
}

output "test_name" {
value = var.test_name
}

output "lambda_function_name" {
value = module.lambda_function.lambda_function_name
}
18 changes: 18 additions & 0 deletions examples/cloudwatch-trigger/variables.tf
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// =================================================================
//
// Work of the U.S. Department of Defense, Defense Digital Service.
// Released as open source under the MIT License. See LICENSE file.
//
// =================================================================

// Do not provide default values for the variables in the examples.
// The variables will be set in the go tests


variable "tags" {
type = map(string)
}

variable "test_name" {
type = string
}
67 changes: 67 additions & 0 deletions test/terraform_aws_lambda_cloudwatch_test.go
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// =================================================================
//
// Work of the U.S. Department of Defense, Defense Digital Service.
// Released as open source under the MIT License. See LICENSE file.
//
// =================================================================

package test

import (
"fmt"
"os"
"strings"
"testing"

"github.com/aws/aws-sdk-go/service/lambda"
"github.com/stretchr/testify/require"
"github.com/gruntwork-io/terratest/modules/random"
"github.com/gruntwork-io/terratest/modules/terraform"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
)

func TestTerraformCloudwatchTrigger(t *testing.T) {
t.Parallel()

region := os.Getenv("AWS_DEFAULT_REGION")
require.NotEmpty(t, region, "missing environment variable AWS_DEFAULT_REGION")

testName := fmt.Sprintf("tt-lf-cw-trigger-%s", strings.ToLower(random.UniqueId()))

terraformOptions := terraform.WithDefaultRetryableErrors(t, &terraform.Options{
TerraformDir: "../examples/cloudwatch-trigger",
Vars: map[string]interface{}{
"test_name": testName,
"tags": map[string]interface{}{
"Automation": "Terraform",
"Terratest": "yes",
"Test": "TestTerraformCloudwatchTrigger",
},
},
EnvVars: map[string]string{
"AWS_DEFAULT_REGION": region,
},
})

if os.Getenv("TT_SKIP_DESTROY") != "1" {
defer terraform.Destroy(t, terraformOptions)
}

terraform.InitAndApply(t, terraformOptions)

lambdaFunctionName := terraform.Output(t, terraformOptions, "lambda_function_name")
s := session.Must(session.NewSession())

c := lambda.New(s, aws.NewConfig().WithRegion(region))

invokeOutput, invokeError := c.Invoke(&lambda.InvokeInput{
FunctionName: aws.String(lambdaFunctionName),
Payload: []byte("{}"),
})

require.NoError(t, invokeError)
payload := string(invokeOutput.Payload)
require.Equal(t, payload, "\"hello world\"")

}