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# aws-localstack
OpenTofu project for provisioning simulated AWS resources on LocalStack for the fictional Quantum application.
LocalStack endpoint:
```text
https://localstack.paulononato.com.br
```
## Resources
- S3 bucket for Quantum application artifacts.
- SQS main queue and DLQ.
- Python Lambda function for event processing.
- IAM role and fictional policies for the Lambda function.
- CloudWatch Log Group.
- Secrets Manager secret with simulated credentials.
- Event source mapping SQS -> Lambda.
## Repository Layout
```text
.
+-- environments
| +-- dev
| +-- stg
| +-- prd
+-- examples
+-- modules
+-- quantum
```
Each environment is an independent OpenTofu root module. The shared infrastructure code lives in `modules/quantum`.
## Prerequisites
- OpenTofu installed.
- AWS CLI, optional for testing.
- Access to the LocalStack endpoint.
Credentials used by LocalStack:
```bash
export AWS_ACCESS_KEY_ID=test
export AWS_SECRET_ACCESS_KEY=test
export AWS_DEFAULT_REGION=us-east-1
```
On PowerShell:
```powershell
$env:AWS_ACCESS_KEY_ID="test"
$env:AWS_SECRET_ACCESS_KEY="test"
$env:AWS_DEFAULT_REGION="us-east-1"
```
## Usage
Choose an environment first:
```bash
cd environments/dev
```
Use `environments/stg` or `environments/prd` for the other simulated stages.
Initialize:
```bash
tofu init
```
Plan:
```bash
tofu plan
```
Apply:
```bash
tofu apply
```
Destroy:
```bash
tofu destroy
```
## Quick Tests
List buckets:
```bash
aws --endpoint-url https://localstack.paulononato.com.br s3 ls
```
Send a message to the Quantum queue:
```bash
aws --endpoint-url https://localstack.paulononato.com.br sqs send-message \
--queue-url "$(tofu output -raw quantum_queue_url)" \
--message-body file://../../examples/quantum-message.json
```
Read the secret:
```bash
aws --endpoint-url https://localstack.paulononato.com.br secretsmanager get-secret-value \
--secret-id "$(tofu output -raw quantum_secret_name)"
```
## RDS Note
RDS is not included in the LocalStack Community edition provisioned on the server. This project avoids RDS and uses only the services available in the current stack.