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https://github.com/wmramadan/localstack-dind

An example of using DIND with LocalStack
https://github.com/wmramadan/localstack-dind

docker docker-compose dockerindocker localstack terraform

Last synced: 17 days ago
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An example of using DIND with LocalStack

Host: GitHub
URL: https://github.com/wmramadan/localstack-dind
Owner: WMRamadan
Created: 2024-09-01T21:18:40.000Z (5 months ago)
Default Branch: main
Last Pushed: 2024-09-08T23:17:16.000Z (4 months ago)
Last Synced: 2024-12-31T20:12:42.642Z (20 days ago)
Topics: docker, docker-compose, dockerindocker, localstack, terraform
Language: HCL
Homepage:
Size: 21.5 KB
Stars: 1
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

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README

# LocalStack with DIND

The repository covers the following:

1) API Gateway that serves a Lambda function.

2) An HTTP endpoint that serves a file from an S3 bucket.

3) Two EC2 instances, one with public subnet and one with private subnet based on the same VPC.

4) Localstack dependent on [Docker-in-Docker](https://hub.docker.com/_/docker) container socket.

Make sure you have awscli configured and awslocal setup and set your LocalStack Auth Token in the `.env` file.

## Prepare the environment

Build Docker images locally and run detached

docker compose up --build -d

Create the S3 bucket that will hold the TF state

./localstack/aws/buckets.sh

Then, enter the worker container

docker exec -it tfrunner-cnt /bin/bash

Go to the bind mount folder containing project files.

cd /mnt/terraform

Initialize the backend state file on S3

terraform init -upgrade \
-backend-config=endpoint="http://localstack:4566" \
-backend-config=access_key="myrootaccesskeyid" \
-backend-config=secret_key="myrootsecretaccesskey" \
-backend-config=bucket="platform-state-local" \
-backend-config=key="tfstate.json" \
-backend-config=region="eu-west-3" \
-backend-config=skip_credentials_validation=true \
-backend-config=skip_metadata_api_check=true \
-backend-config=skip_region_validation=true \
-backend-config=force_path_style=true

Create Terraform plan

terraform plan -out .terraform/tf-plan.out

Apply the plan

terraform apply ".terraform/tf-plan.out"

You should see a URL to test the Api Gateway endpoint similar to the following

curl http://localstack:4566/restapis//test/_user_request_/ -vv

And the API will reply `Cheers from AWS Lambda!!`.

You will also see another URL for the S3 file endpoint

curl -X GET http://localstack:4566/file-bucket/data.txt -vv

And the output will be `Hello, from file data.`.

If you would like to destroy the deployed stack you can do so by using the `--destory` flag with terraform plan then apply as follows

terraform plan -out .terraform/tf-plan.out --destroy
terraform apply ".terraform/tf-plan.out"

Exit the container by entering `exit` and destory by

docker compose down -v

## Prepare the environment in DIND

Build Docker images locally and run detached

docker compose -f docker-compose-dind.yml up -d

Then, enter the dind container

docker exec -it dind /bin/sh

Install the AWS Cli

apk add aws-cli

Go to the mount folder containing project files.

cd /mnt

Build Docker images and run detached