[](https://github.com/localstack/terraform-local/actions)
# `tflocal` - Terraform with LocalStack
This package provides `tflocal` - a small wrapper script to run [Terraform](https://terraform.io) against [LocalStack](https://localstack.cloud).
## Prerequisites
* Python 3.x
* `pip`
* `terraform`
## How it works
The script uses the [Terraform Override mechanism](https://www.terraform.io/language/files/override) and creates a temporary file `localstack_providers_override.tf` to configure the endpoints for the AWS `provider` section. The endpoints for all services are configured to point to the LocalStack API (`http://localhost:4566` by default).
## Installation
The `tflocal` command line interface can be installed via `pip`:
```
pip install terraform-local
```
## Configurations
The following environment variables can be configured:
* `DRY_RUN`: Generate the override file without invoking Terraform
* `TF_CMD`: Terraform command to call (default: `terraform`)
* `AWS_ENDPOINT_URL`: hostname and port of the target LocalStack instance
* `LOCALSTACK_HOSTNAME`: __(Deprecated)__ host name of the target LocalStack instance
* `EDGE_PORT`: __(Deprecated)__ port number of the target LocalStack instance
* `S3_HOSTNAME`: special hostname to be used to connect to LocalStack S3 (default: `s3.localhost.localstack.cloud`)
* `USE_EXEC`: whether to use `os.exec` instead of `subprocess.Popen` (try using this in case of I/O issues)
* `<SERVICE>_ENDPOINT`: setting a custom service endpoint, e.g., `COGNITO_IDP_ENDPOINT=http://example.com`
* `AWS_DEFAULT_REGION`: the AWS region to use (default: `us-east-1`, or determined from local credentials if `boto3` is installed)
* `CUSTOMIZE_ACCESS_KEY`: enables to override the static AWS Access Key ID. The following cases are taking precedence over each other from top to bottom:
* `AWS_ACCESS_KEY_ID` environment variable is set
* `access_key` is set in the Terraform AWS provider
* `AWS_PROFILE` environment variable is set and configured
* `AWS_DEFAULT_PROFILE` environment variable is set and configured
* `default` profile's credentials are configured
* falls back to the default `AWS_ACCESS_KEY_ID` mock value
* `AWS_ACCESS_KEY_ID`: AWS Access Key ID to use for multi account setups (default: `test` -> account ID: `000000000000`)
* `SKIP_ALIASES`: Allows to skip generating AWS provider overrides for specified aliased providers, e.g. `SKIP_ALIASES=aws_secrets,real_aws`
## Usage
The `tflocal` command has the same usage as the `terraform` command. For detailed usage,
please refer to the man pages of `terraform --help`.
## Change Log
* v0.20.0: Fix S3 backend option merging
* v0.19.0: Add `SKIP_ALIASES` configuration environment variable
* v0.18.2: Fix warning on aliased custom endpoint names
* v0.18.1: Fix issue with not proxied commands
* v0.18.0: Add `DRY_RUN` and patch S3 backend entrypoints
* v0.17.1: Add `packaging` module to install requirements
* v0.17.0: Add option to use new endpoints S3 backend options
* v0.16.1: Update Setuptools to exclude tests during packaging
* v0.16.0: Introducing semantic versioning and AWS_ENDPOINT_URL variable
* v0.15: Update endpoint overrides for Terraform AWS provider 5.22.0
* v0.14: Add support to multi-account environments
* v0.13: Fix S3 automatic `use_s3_path_style` detection when setting S3_HOSTNAME or LOCALSTACK_HOSTNAME
* v0.12: Fix local endpoint overrides for Terraform AWS provider 5.9.0; fix parsing of alias and region defined as value lists
* v0.11: Minor fix to handle boolean values in S3 backend configs
* v0.10: Add support for storing state files in local S3 backends
* v0.9: Fix unsupported provider override for emrserverless
* v0.8: Configure the endpoint for opensearch service
* v0.7: Add initial support for provider aliases
* v0.6: Fix selection of default region
* v0.5: Make AWS region configurable, add `region` to provider config
* v0.4: Fix using use_s3_path_style for S3_HOSTNAME=localhost; exclude `meteringmarketplace` service endpoint
* v0.3: Fix support for -chdir=... to create providers file in target directory
* v0.2: Add ability to specify custom endpoints; pass INT signals to subprocess
* v0.1: Initial release
## License
This software library is released under the Apache License, Version 2.0 (see `LICENSE`).
[pypi-version]: https://img.shields.io/pypi/v/terraform-local.svg
[pypi]: https://pypi.org/project/terraform-local/
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"description": "[](https://github.com/localstack/terraform-local/actions)\n\n# `tflocal` - Terraform with LocalStack\n\nThis package provides `tflocal` - a small wrapper script to run [Terraform](https://terraform.io) against [LocalStack](https://localstack.cloud).\n\n## Prerequisites\n\n* Python 3.x\n* `pip`\n* `terraform`\n\n## How it works\n\nThe script uses the [Terraform Override mechanism](https://www.terraform.io/language/files/override) and creates a temporary file `localstack_providers_override.tf` to configure the endpoints for the AWS `provider` section. The endpoints for all services are configured to point to the LocalStack API (`http://localhost:4566` by default).\n\n## Installation\n\nThe `tflocal` command line interface can be installed via `pip`:\n```\npip install terraform-local\n```\n\n## Configurations\n\nThe following environment variables can be configured:\n* `DRY_RUN`: Generate the override file without invoking Terraform\n* `TF_CMD`: Terraform command to call (default: `terraform`)\n* `AWS_ENDPOINT_URL`: hostname and port of the target LocalStack instance\n* `LOCALSTACK_HOSTNAME`: __(Deprecated)__ host name of the target LocalStack instance\n* `EDGE_PORT`: __(Deprecated)__ port number of the target LocalStack instance\n* `S3_HOSTNAME`: special hostname to be used to connect to LocalStack S3 (default: `s3.localhost.localstack.cloud`)\n* `USE_EXEC`: whether to use `os.exec` instead of `subprocess.Popen` (try using this in case of I/O issues)\n* `<SERVICE>_ENDPOINT`: setting a custom service endpoint, e.g., `COGNITO_IDP_ENDPOINT=http://example.com`\n* `AWS_DEFAULT_REGION`: the AWS region to use (default: `us-east-1`, or determined from local credentials if `boto3` is installed)\n* `CUSTOMIZE_ACCESS_KEY`: enables to override the static AWS Access Key ID. The following cases are taking precedence over each other from top to bottom:\n * `AWS_ACCESS_KEY_ID` environment variable is set\n * `access_key` is set in the Terraform AWS provider\n * `AWS_PROFILE` environment variable is set and configured\n * `AWS_DEFAULT_PROFILE` environment variable is set and configured\n * `default` profile's credentials are configured\n * falls back to the default `AWS_ACCESS_KEY_ID` mock value\n* `AWS_ACCESS_KEY_ID`: AWS Access Key ID to use for multi account setups (default: `test` -> account ID: `000000000000`)\n* `SKIP_ALIASES`: Allows to skip generating AWS provider overrides for specified aliased providers, e.g. `SKIP_ALIASES=aws_secrets,real_aws`\n\n## Usage\n\nThe `tflocal` command has the same usage as the `terraform` command. For detailed usage,\nplease refer to the man pages of `terraform --help`.\n\n## Change Log\n\n* v0.20.0: Fix S3 backend option merging\n* v0.19.0: Add `SKIP_ALIASES` configuration environment variable\n* v0.18.2: Fix warning on aliased custom endpoint names\n* v0.18.1: Fix issue with not proxied commands\n* v0.18.0: Add `DRY_RUN` and patch S3 backend entrypoints\n* v0.17.1: Add `packaging` module to install requirements\n* v0.17.0: Add option to use new endpoints S3 backend options\n* v0.16.1: Update Setuptools to exclude tests during packaging\n* v0.16.0: Introducing semantic versioning and AWS_ENDPOINT_URL variable\n* v0.15: Update endpoint overrides for Terraform AWS provider 5.22.0\n* v0.14: Add support to multi-account environments\n* v0.13: Fix S3 automatic `use_s3_path_style` detection when setting S3_HOSTNAME or LOCALSTACK_HOSTNAME\n* v0.12: Fix local endpoint overrides for Terraform AWS provider 5.9.0; fix parsing of alias and region defined as value lists\n* v0.11: Minor fix to handle boolean values in S3 backend configs\n* v0.10: Add support for storing state files in local S3 backends\n* v0.9: Fix unsupported provider override for emrserverless\n* v0.8: Configure the endpoint for opensearch service\n* v0.7: Add initial support for provider aliases\n* v0.6: Fix selection of default region\n* v0.5: Make AWS region configurable, add `region` to provider config\n* v0.4: Fix using use_s3_path_style for S3_HOSTNAME=localhost; exclude `meteringmarketplace` service endpoint\n* v0.3: Fix support for -chdir=... to create providers file in target directory\n* v0.2: Add ability to specify custom endpoints; pass INT signals to subprocess\n* v0.1: Initial release\n\n## License\n\nThis software library is released under the Apache License, Version 2.0 (see `LICENSE`).\n\n[pypi-version]: https://img.shields.io/pypi/v/terraform-local.svg\n[pypi]: https://pypi.org/project/terraform-local/\n",
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