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Signed-off-by: Moritz Zimmer <moritz.zmmr@gmail.com>
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AWS Lambda Terraform module

Terraform Module Registry Terraform Version License: MIT


Deprecation warning

Further development of this module will be continued in moritzzimmer/terraform-aws-lambda. Users of spring-media/lambda/aws should migrate to this module as a drop-in replacement for all provisions up to release/tag 5.2.1 to benefit from new features and bugfixes.

module "lambda" {
  source           = "moritzzimmer/lambda/aws"
  version          = "5.2.1"
  filename         = "my-package.zip"
  function_name    = "my-function"
  handler          = "my-handler"
  runtime          = "go1.x"
  source_code_hash = filebase64sha256("${path.module}/my-package.zip")
}

Terraform module to create AWS Lambda resources with configurable event sources, IAM configuration (following the principal of least privilege), VPC as well as SSM/KMS and log streaming support.

The following event sources are supported (see examples):

Furthermore this module supports:

Terraform version compatibility

module terraform branch
4.x.x 0.12+ master
3.x.x 0.11.x terraform_0.11x

How do I use this module?

The module can be used for all runtimes supported by AWS Lambda.

Deployment packages can be specified either directly as a local file (using the filename argument) or indirectly via Amazon S3 (using the s3_bucket, s3_key and s3_object_versions arguments), see documentation for details.

basic

provider "aws" {
  region = "eu-west-1"
}

module "lambda" {
  source           = "spring-media/lambda/aws"
  version          = "5.2.1"
  filename         = "my-package.zip"
  function_name    = "my-function"
  handler          = "my-handler"
  runtime          = "go1.x"
  source_code_hash = filebase64sha256("${path.module}/my-package.zip")
}

with event trigger

module "lambda" {
  // see above
  
  event = {
    type                = "cloudwatch-event"
    schedule_expression = "rate(1 minute)"
  }
}

in a VPC

module "lambda" {
  // see above

  vpc_config = {
    security_group_ids = ["sg-1"]
    subnet_ids         = ["subnet-1", "subnet-2"]
  }
}

with access to parameter store

module "lambda" {
  // see above

  ssm_parameter_names = ["some/config/root/*"]
  kms_key_arn         = "arn:aws:kms:eu-west-1:647379381847:key/f79f2b-04684-4ad9-f9de8a-79d72f"
}

with log subscription (stream to ElasticSearch)

module "lambda" {
  // see above

  logfilter_destination_arn = "arn:aws:lambda:eu-west-1:647379381847:function:cloudwatch_logs_to_es_production"
}

Examples

How do I contribute to this module?

Contributions are very welcome! Check out the Contribution Guidelines for instructions.

How is this module versioned?

This Module follows the principles of Semantic Versioning. You can find each new release in the releases page.

During initial development, the major version will be 0 (e.g., 0.x.y), which indicates the code does not yet have a stable API. Once we hit 1.0.0, we will make every effort to maintain a backwards compatible API and use the MAJOR, MINOR, and PATCH versions on each release to indicate any incompatibilities.