AWS Lambda Terraform module

Terraform module, which creates almost all supported AWS Lambda resources as well as taking care of building and packaging of required Lambda dependencies for functions and layers.

These types of resources supported:

Not supported, yet:

Lambda Event Source Mapping

This Terraform module is the part of serverless.tf framework, which aims to simplify all operations when working with the serverless in Terraform:

Build and install dependencies - read more.
Create, store, and use deployment packages - read more.
Create, update, and publish AWS Lambda Function and Lambda Layer - see usage.
Create static and dynamic aliases for AWS Lambda Function - see usage, see modules/alias.
Do complex deployments (eg, rolling, canary, rollbacks, triggers) - read more, see modules/deploy.

Features

Usage

Lambda Function (store package locally)

module "lambda_function" {
  source = "terraform-aws-modules/lambda/aws"

  function_name = "my-lambda1"
  description   = "My awesome lambda function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"

  source_path = "../src/lambda-function1"

  tags = {
    Name = "my-lambda1"
  }
}

Lambda Function and Lambda Layer (store packages on S3)

module "lambda_function" {
  source = "terraform-aws-modules/lambda/aws"

  function_name = "lambda-with-layer"
  description   = "My awesome lambda function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"
  publish       = true

  source_path = "../src/lambda-function1"

  store_on_s3 = true
  s3_bucket   = "my-bucket-with-lambda-builds"

  layers = [
    module.lambda_layer_s3.this_lambda_layer_arn,
  ]

  environment_variables = {
    Serverless = "Terraform"
  }

  tags = {
    Module = "lambda-with-layer"
  }
}

module "lambda_layer_s3" {
  source = "terraform-aws-modules/lambda/aws"

  create_layer = true

  layer_name          = "lambda-layer-s3"
  description         = "My amazing lambda layer (deployed from S3)"
  compatible_runtimes = ["python3.8"]

  source_path = "../src/lambda-layer"

  store_on_s3 = true
  s3_bucket   = "my-bucket-with-lambda-builds"
}

Lambda Functions with existing package (prebuilt) stored locally

module "lambda_function_existing_package_local" {
  source = "terraform-aws-modules/lambda/aws"

  function_name = "my-lambda-existing-package-local"
  description   = "My awesome lambda function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"

  create_package         = false
  local_existing_package = "../existing_package.zip"
}

Lambda Function with existing package (prebuilt) stored in S3 bucket

Note that this module does not copy prebuilt packages into S3 bucket. This module can only store packages it builds locally and in S3 bucket.

locals {
  my_function_source = "../path/to/package.zip"
}

resource "aws_s3_bucket_object" "my_function" {
  bucket = "my-bucket-with-lambda-builds"
  key    = "${filemd5(local.my_function_source)}.zip"
  source = local.my_function_source
}

module "lambda_function_existing_package_s3" {
  source = "terraform-aws-modules/lambda/aws"

  function_name = "my-lambda-existing-package-local"
  description   = "My awesome lambda function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"

  create_package      = false
  s3_existing_package = {
    bucket = "my-bucket-with-lambda-builds"
    key    = aws_s3_bucket_object.my_function.id
  }
}

Lambda Layers (store packages locally and on S3)

module "lambda_layer_local" {
  source = "terraform-aws-modules/lambda/aws"

  create_layer = true

  layer_name          = "my-layer-local"
  description         = "My amazing lambda layer (deployed from local)"
  compatible_runtimes = ["python3.8"]

  source_path = "../fixtures/python3.8-app1"
}

module "lambda_layer_s3" {
  source = "terraform-aws-modules/lambda/aws"

  create_layer = true

  layer_name          = "my-layer-s3"
  description         = "My amazing lambda layer (deployed from S3)"
  compatible_runtimes = ["python3.8"]

  source_path = "../fixtures/python3.8-app1"

  store_on_s3 = true
  s3_bucket   = "my-bucket-with-lambda-builds"
}

Lambda@Edge

Make sure, you deploy Lambda@Edge functions into US East (N. Virginia) region (us-east-1). See Requirements and Restrictions on Lambda Functions.

module "lambda_at_edge" {
  source = "terraform-aws-modules/lambda/aws"

  lambda_at_edge = true

  function_name = "my-lambda-at-edge"
  description   = "My awesome lambda@edge function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"

  source_path = "../fixtures/python3.8-app1"

  tags = {
    Module = "lambda-at-edge"
  }
}

Lambda Function in VPC

module "lambda_function_in_vpc" {
  source = "terraform-aws-modules/lambda/aws"

  function_name = "my-lambda-in-vpc"
  description   = "My awesome lambda function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"

  source_path = "../fixtures/python3.8-app1"

  vpc_subnet_ids         = module.vpc.intra_subnets
  vpc_security_group_ids = [module.vpc.default_security_group_id]
  attach_network_policy = true
}

module "vpc" {
  source = "terraform-aws-modules/vpc/aws"

  name = "my-vpc"
  cidr = "10.10.0.0/16"

  # Specify at least one of: intra_subnets, private_subnets, or public_subnets
  azs           = ["eu-west-1a", "eu-west-1b", "eu-west-1c"]
  intra_subnets = ["10.10.101.0/24", "10.10.102.0/24", "10.10.103.0/24"]
}

Additional IAM policies for Lambda Functions

There are 4 supported ways to attach IAM policies to IAM role used by Lambda Function:

policy_json - set as JSON string or heredoc, when attach_policy_json = true.
policy - ARN of existing IAM policy, when attach_policy = true.
policies - List of ARNs of existing IAM policies, when attach_policies = true.
policy_statements - Map of maps to define IAM statements which will be generated as IAM policy. Requires attach_policy_statements = true. See examples/complete for more information.

Lambda Permissions for allowed triggers

Lambda Permissions should be specified to allow certain resources to invoke Lambda Function.

module "lambda_function" {
  source = "terraform-aws-modules/lambda/aws"
  
  # ...omitted for brevity

  allowed_triggers = {
    APIGatewayAny = {
      service = "apigateway"
      arn     = "arn:aws:execute-api:eu-west-1:135367859851:aqnku8akd0"
    },
    APIGatewayDevPost = {
      service    = "apigateway"
      source_arn = "arn:aws:execute-api:eu-west-1:135367859851:aqnku8akd0/dev/POST/*"
    },
    OneRule = {
      principal  = "events.amazonaws.com"
      source_arn = "arn:aws:events:eu-west-1:135367859851:rule/RunDaily"
    }
  }
}

Note: service = "apigateway" with arn is a short form to allow invocations of a Lambda Function from any stage, any method, any resource of an API Gateway.

Conditional creation

Sometimes you need to have a way to create resources conditionally but Terraform does not allow usage of count inside module block, so the solution is to specify create arguments.

module "lambda" {
  source = "terraform-aws-modules/lambda/aws"

  create = false # to disable all resources

  create_package  = false  # to control build package process
  create_function = false  # to control creation of the Lambda Function and related resources
  create_layer    = false  # to control creation of the Lambda Layer and related resources
  create_role     = false  # to control creation of the IAM role and policies required for Lambda Function

  attach_cloudwatch_logs_policy = false
  attach_dead_letter_policy     = false
  attach_network_policy         = false
  attach_tracing_policy         = false
  attach_async_event_policy     = false

  # ... omitted
}

How does building and packaging work?

This is one of the most complicated part done by the module and normally you don't have to know internals.

package.py is Python script which does it. Make sure, Python 3.7 or newer is installed. The main functions of the script are to generate a filename of zip-archive based on the content of the files, verify if zip-archive has been already created, and create zip-archive only when it is necessary (during apply, not plan).

Hash of zip-archive created with the same content of the files is always identical which prevents unnecessary force-updates of the Lambda resources unless content modifies. If you need to have different filenames for the same content you can specify extra string argument hash_extra.

When calling this module multiple times in one execution to create packages with the same source_path, zip-archives will be corrupted due to concurrent writes into the same file. There are two solutions - set different values for hash_extra to create different archives, or create package once outside (using this module) and then pass local_existing_package argument to create other Lambda resources.

Building and packaging has been historically hard to debug (especially with Terraform), so we made an effort to make it easier for user to see debug info. There are 3 different debug levels: DEBUG - to see only what is happening during planning phase, DEBUG2 - to see all logging values, DEBUG3 - to see all logging values and env variables (be careful sharing your env variables as they may contain secrets!).

User can specify debug level like this:

export TF_LAMBDA_PACKAGE_LOG_LEVEL=DEBUG2
terraform apply

Build Dependencies

You can specify source_path in a variety of ways to achieve desired flexibility when building deployment packages locally or in Docker. You can use absolute or relative paths.

Note that, when building locally, files are not copying anywhere from the source directories when making packages, we use fast Python regular expressions to find matching files and directories, which makes packaging very fast and easy to understand.

Simple build from single directory

When source_path is set to a string, the content of that path will be used to create deployment package as-is:

source_path = "src/function1"

Static build from multiple source directories

When source_path is set to a list of directories the content of each will be taken and one archive will be created.

Combine various options for extreme flexibility

This is the most complete way of creating a deployment package from multiple sources with multiple dependencies. This example is showing all the available options:

source_path = [
  "src/main-source",
  {
    path     = "src/function1-dep",
    patterns = [
      "!.*/.*\\.txt", # Skip all txt files recursively
    ]
  }, {
    path             = "src/python3.8-app1",
    pip_requirements = true,
    prefix_in_zip    = "foo/bar1",
  }, {
    path             = "src/python3.8-app2",
    pip_requirements = "requirements-large.txt",
  }, {
    path     = "src/python3.8-app3",
    commands = ["npm install"],
    patterns = [
      "!.*/.*\\.txt",    # Skip all txt files recursively
      "node_modules/.+", # Include all node_modules
    ],
  }, {
    path     = "src/python3.8-app3",
    commands = ["go build"],
    patterns = <<END
      bin/.*
      abc/def/.*
    END
  }
]

Few notes:

All arguments except path are optional.
patterns - List of Python regex filenames should satisfy. Default value is "include everything" which is equal to patterns = [".*"]. This can also be specified as multiline heredoc string (no comments allowed). Some examples of valid patterns:

    !.*/.*\.txt        # Filter all txt files recursively
    node_modules/.*    # Include empty dir or with a content if it exists
    node_modules/.+    # Include full non empty node_modules dir with its content
    node_modules/      # Include node_modules itself without its content
                       # It's also a way to include an empty dir if it exists
    node_modules       # Include a file or an existing dir only

    !abc/.*            # Filter out everything in an abc folder
    abc/def/.*         # Re-include everything in abc/def sub folder
    !abc/def/hgk/.*    # Filter out again in abc/def/hgk sub folder

commands - List of commands to run. If specified, this argument overrides pip_requirements.
pip_requirements - Set to true to run pip install with requirements.txt found in path. Or set to another filename which you want to use instead.
prefix_in_zip - If specified, will be used as a prefix inside zip-archive. By default, everything installs into the root of zip-archive.

Building in Docker

If your Lambda Function or Layer uses some dependencies you can build them in Docker and have them included into deployment package. Here is how you can do it:

build_in_docker   = true
docker_file       = "src/python3.8-app1/docker/Dockerfile"
docker_build_root = "src/python3.8-app1/docker"
docker_image      = "lambci/lambda:build-python3.8"
runtime           = "python3.8"    # Setting runtime is required when building package in Docker and Lambda Layer resource.

Using this module you can install dependencies from private hosts. To do this, you need for forward SSH agent:

docker_with_ssh_agent = true

Deployment package - Create or use existing

By default, this module creates deployment package and uses it to create or update Lambda Function or Lambda Layer.

Sometimes, you may want to separate build of deployment package (eg, to compile and install dependencies) from the deployment of a package into two separate steps.

When creating archive locally outside of this module you need to set create_package = false and then argument local_existing_package = "existing_package.zip". Alternatively, you may prefer to keep your deployment packages into S3 bucket and provide a reference to them like this:

  create_package      = false
  s3_existing_package = {
    bucket = "my-bucket-with-lambda-builds"
    key    = "existing_package.zip"
  }

Using deployment package from remote URL

This can be implemented in two steps: download file locally using CURL, and pass path to deployment package as local_existing_package argument.

locals {
  package_url = "https://raw.githubusercontent.com/terraform-aws-modules/terraform-aws-lambda/master/examples/fixtures/python3.8-zip/existing_package.zip"
  downloaded  = "downloaded_package_${md5(local.package_url)}.zip"
}

resource "null_resource" "download_package" {
  triggers = {
    downloaded = local.downloaded
  }

  provisioner "local-exec" {
    command = "curl -L -o ${local.downloaded} ${local.package_url}"
  }
}

data "null_data_source" "downloaded_package" {
  inputs = {
    id       = null_resource.download_package.id
    filename = local.downloaded
  }
}

module "lambda_function_existing_package_from_remote_url" {
  source = "terraform-aws-modules/lambda/aws"

  function_name = "my-lambda-existing-package-local"
  description   = "My awesome lambda function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"

  create_package         = false
  local_existing_package = data.null_data_source.downloaded_package.outputs["filename"]
}

How to deploy and manage Lambda Functions?

Simple deployments

Typically, Lambda Function resource updates when source code changes. If publish = true is specified a new Lambda Function version will also be created.

Published Lambda Function can be invoked using either by version number or using $LATEST. This is the simplest way of deployment which does not required any additional tool or service.

Controlled deployments (rolling, canary, rollbacks)

In order to do controlled deployments (rolling, canary, rollbacks) of Lambda Functions we need to use Lambda Function aliases.

In simple terms, Lambda alias is like a pointer to either one version of Lambda Function (when deployment complete), or to two weighted versions of Lambda Function (during rolling or canary deployment).

One Lambda Function can be used in multiple aliases. Using aliases gives large control of which version deployed when having multiple environments.

There is alias module, which simplifies working with alias (create, manage configurations, updates, etc). See examples/alias for various use-cases how aliases can be configured and used.

There is deploy module, which creates required resources to do deployments using AWS CodeDeploy. It also creates the deployment, and wait for completion. See examples/deploy for complete end-to-end build/update/deploy process.

FAQ

Q1: Why deployment package not recreating every time I change something?

A1: There can be tons of reasons. The most likely is that changes has happened inside of dependency which is not used in calculating content hash. You can force it by setting value of hash_extra or to delete previously built package locally.

Q2: How to force recreate deployment package?

A2: Delete an existing zip-archive from builds directory, or make a change in your source code. If there is no zip-archive for the current content hash, it will be recreated during terraform apply.

Q3: null_resource.archive[0] must be replaced

A3: This probably mean that zip-archive has been deployed, but is currently absent locally, and it has to be recreated locally. When you run into this issue during CI/CD process (where workspace is clean), you can set environment variable TF_RECREATE_MISSING_LAMBDA_PACKAGE=false and run terraform apply.

Notes

Creation of Lambda Functions and Lambda Layers is very similar and both support the same features (building from source path, using existing package, storing package locally or on S3)
Check out this Awesome list of AWS Lambda Layers

Examples

Complete - Create Lambda resources in various combinations with all supported features.
Build and Package - Build and create deployment packages in various ways.
Alias - Create static and dynamic aliases in various ways.
Deploy - Complete end-to-end build/update/deploy process using AWS CodeDeploy.
Async Invocations - Create Lambda Function with async event configuration (with SQS and SNS integration).
With VPC - Create Lambda Function with VPC.

Requirements

Name	Version
terraform	~> 0.12.6
aws	~> 2.46

Providers

Name	Version
aws	~> 2.46
external	n/a
local	n/a
null	n/a

Inputs

Name	Description	Type	Default	Required
allowed_triggers	Map of allowed triggers to create Lambda permissions	`map(any)`	`{}`	no
artifacts_dir	Directory name where artifacts should be stored	`string`	`"builds"`	no
attach_async_event_policy	Controls whether async event policy should be added to IAM role for Lambda Function	`bool`	`false`	no
attach_cloudwatch_logs_policy	Controls whether CloudWatch Logs policy should be added to IAM role for Lambda Function	`bool`	`true`	no
attach_dead_letter_policy	Controls whether SNS/SQS dead letter notification policy should be added to IAM role for Lambda Function	`bool`	`false`	no
attach_network_policy	Controls whether VPC/network policy should be added to IAM role for Lambda Function	`bool`	`false`	no
attach_policies	Controls whether list of policies should be added to IAM role for Lambda Function	`bool`	`false`	no
attach_policy	Controls whether policy should be added to IAM role for Lambda Function	`bool`	`false`	no
attach_policy_json	Controls whether policy_json should be added to IAM role for Lambda Function	`bool`	`false`	no
attach_policy_statements	Controls whether policy_statements should be added to IAM role for Lambda Function	`bool`	`false`	no
attach_tracing_policy	Controls whether X-Ray tracing policy should be added to IAM role for Lambda Function	`bool`	`false`	no
build_in_docker	Whether to build dependencies in Docker	`bool`	`false`	no
cloudwatch_logs_kms_key_id	The ARN of the KMS Key to use when encrypting log data.	`string`	`null`	no
cloudwatch_logs_retention_in_days	Specifies the number of days you want to retain log events in the specified log group. Possible values are: 1, 3, 5, 7, 14, 30, 60, 90, 120, 150, 180, 365, 400, 545, 731, 1827, and 3653.	`number`	`null`	no
cloudwatch_logs_tags	A map of tags to assign to the resource.	`map(string)`	`{}`	no
compatible_runtimes	A list of Runtimes this layer is compatible with. Up to 5 runtimes can be specified.	`list(string)`	`[]`	no
create	Controls whether resources should be created	`bool`	`true`	no
create_async_event_config	Controls whether async event configuration for Lambda Function/Alias should be created	`bool`	`false`	no
create_current_version_allowed_triggers	Whether to allow triggers on current version of Lambda Function (this will revoke permissions from previous version because Terraform manages only current resources)	`bool`	`true`	no
create_current_version_async_event_config	Whether to allow async event configuration on current version of Lambda Function (this will revoke permissions from previous version because Terraform manages only current resources)	`bool`	`true`	no
create_function	Controls whether Lambda Function resource should be created	`bool`	`true`	no
create_layer	Controls whether Lambda Layer resource should be created	`bool`	`false`	no
create_package	Controls whether Lambda package should be created	`bool`	`true`	no
create_role	Controls whether IAM role for Lambda Function should be created	`bool`	`true`	no
create_unqualified_alias_allowed_triggers	Whether to allow triggers on unqualified alias pointing to $LATEST version	`bool`	`true`	no
create_unqualified_alias_async_event_config	Whether to allow async event configuration on unqualified alias pointing to $LATEST version	`bool`	`true`	no
dead_letter_target_arn	The ARN of an SNS topic or SQS queue to notify when an invocation fails.	`string`	`null`	no
description	Description of your Lambda Function (or Layer)	`string`	`""`	no
destination_on_failure	Amazon Resource Name (ARN) of the destination resource for failed asynchronous invocations	`string`	`null`	no
destination_on_success	Amazon Resource Name (ARN) of the destination resource for successful asynchronous invocations	`string`	`null`	no
docker_build_root	Root dir where to build in Docker	`string`	`""`	no
docker_file	Path to a Dockerfile when building in Docker	`string`	`""`	no
docker_image	Docker image to use for the build	`string`	`""`	no
docker_pip_cache	Whether to mount a shared pip cache folder into docker environment or not	`any`	`null`	no
docker_with_ssh_agent	Whether to pass SSH_AUTH_SOCK into docker environment or not	`bool`	`false`	no
environment_variables	A map that defines environment variables for the Lambda Function.	`map(string)`	`{}`	no
function_name	A unique name for your Lambda Function	`string`	`""`	no
handler	Lambda Function entrypoint in your code	`string`	`""`	no
hash_extra	The string to add into hashing function. Useful when building same source path for different functions.	`string`	`""`	no
kms_key_arn	The ARN of KMS key to use by your Lambda Function	`string`	`null`	no
lambda_at_edge	Set this to true if using Lambda@Edge, to enable publishing, limit the timeout, and allow edgelambda.amazonaws.com to invoke the function	`bool`	`false`	no
lambda_role	IAM role attached to the Lambda Function. This governs both who / what can invoke your Lambda Function, as well as what resources our Lambda Function has access to. See Lambda Permission Model for more details.	`string`	`""`	no
layer_name	Name of Lambda Layer to create	`string`	`""`	no
layers	List of Lambda Layer Version ARNs (maximum of 5) to attach to your Lambda Function.	`list(string)`	`null`	no
license_info	License info for your Lambda Layer. Eg, MIT or full url of a license.	`string`	`""`	no
local_existing_package	The absolute path to an existing zip-file to use	`string`	`null`	no
maximum_event_age_in_seconds	Maximum age of a request that Lambda sends to a function for processing in seconds. Valid values between 60 and 21600.	`number`	`null`	no
maximum_retry_attempts	Maximum number of times to retry when the function returns an error. Valid values between 0 and 2. Defaults to 2.	`number`	`null`	no
memory_size	Amount of memory in MB your Lambda Function can use at runtime. Valid value between 128 MB to 3008 MB, in 64 MB increments.	`number`	`128`	no
number_of_policies	Number of policies to attach to IAM role for Lambda Function	`number`	`0`	no
policies	List of policy statements ARN to attach to Lambda Function role	`list(string)`	`[]`	no
policy	An additional policy document ARN to attach to the Lambda Function role	`string`	`null`	no
policy_json	An additional policy document as JSON to attach to the Lambda Function role	`string`	`null`	no
policy_statements	Map of dynamic policy statements to attach to Lambda Function role	`any`	`{}`	no
provisioned_concurrent_executions	Amount of capacity to allocate. Must be greater than or equal to 1.	`number`	`-1`	no
publish	Whether to publish creation/change as new Lambda Function Version.	`bool`	`false`	no
reserved_concurrent_executions	The amount of reserved concurrent executions for this Lambda Function. A value of 0 disables Lambda Function from being triggered and -1 removes any concurrency limitations. Defaults to Unreserved Concurrency Limits -1.	`number`	`-1`	no
role_description	Description of IAM role to use for Lambda Function	`string`	`null`	no
role_force_detach_policies	Specifies to force detaching any policies the IAM role has before destroying it.	`bool`	`true`	no
role_name	Name of IAM role to use for Lambda Function	`string`	`null`	no
role_path	Path of IAM role to use for Lambda Function	`string`	`null`	no
role_permissions_boundary	The ARN of the policy that is used to set the permissions boundary for the IAM role used by Lambda Function	`string`	`null`	no
role_tags	A map of tags to assign to IAM role	`map(string)`	`{}`	no
runtime	Lambda Function runtime	`string`	`""`	no
s3_bucket	S3 bucket to store artifacts	`string`	`null`	no
s3_existing_package	The S3 bucket object with keys bucket, key, version pointing to an existing zip-file to use	`map(string)`	`null`	no
s3_object_storage_class	Specifies the desired Storage Class for the artifact uploaded to S3. Can be either STANDARD, REDUCED_REDUNDANCY, ONEZONE_IA, INTELLIGENT_TIERING, or STANDARD_IA.	`string`	`"ONEZONE_IA"`	no
s3_object_tags	A map of tags to assign to S3 bucket object.	`map(string)`	`{}`	no
source_path	The absolute path to a local file or directory containing your Lambda source code	`any`	`null`	no
store_on_s3	Whether to store produced artifacts on S3 or locally.	`bool`	`false`	no
tags	A map of tags to assign to resources.	`map(string)`	`{}`	no
timeout	The amount of time your Lambda Function has to run in seconds.	`number`	`3`	no
tracing_mode	Tracing mode of the Lambda Function. Valid value can be either PassThrough or Active.	`string`	`null`	no
trusted_entities	Lambda Function additional trusted entities for assuming roles (trust relationship)	`list(string)`	`[]`	no
use_existing_cloudwatch_log_group	Whether to use an existing CloudWatch log group or create new	`bool`	`false`	no
vpc_security_group_ids	List of security group ids when Lambda Function should run in the VPC.	`list(string)`	`null`	no
vpc_subnet_ids	List of subnet ids when Lambda Function should run in the VPC. Usually private or intra subnets.	`list(string)`	`null`	no

Outputs

Name	Description
lambda_cloudwatch_log_group_arn	The ARN of the Cloudwatch Log Group
lambda_role_arn	The ARN of the IAM role created for the Lambda Function
lambda_role_name	The name of the IAM role created for the Lambda Function
local_filename	The filename of zip archive deployed (if deployment was from local)
s3_object	The map with S3 object data of zip archive deployed (if deployment was from S3)
this_lambda_function_arn	The ARN of the Lambda Function
this_lambda_function_invoke_arn	The Invoke ARN of the Lambda Function
this_lambda_function_kms_key_arn	The ARN for the KMS encryption key of Lambda Function
this_lambda_function_last_modified	The date Lambda Function resource was last modified
this_lambda_function_name	The name of the Lambda Function
this_lambda_function_qualified_arn	The ARN identifying your Lambda Function Version
this_lambda_function_source_code_hash	Base64-encoded representation of raw SHA-256 sum of the zip file
this_lambda_function_source_code_size	The size in bytes of the function .zip file
this_lambda_function_version	Latest published version of Lambda Function
this_lambda_layer_arn	The ARN of the Lambda Layer with version
this_lambda_layer_created_date	The date Lambda Layer resource was created
this_lambda_layer_layer_arn	The ARN of the Lambda Layer without version
this_lambda_layer_source_code_size	The size in bytes of the Lambda Layer .zip file
this_lambda_layer_version	The Lambda Layer version

Authors

Module managed by Anton Babenko. Check out serverless.tf to learn more about doing serverless with Terraform.

Please reach out to Betajob if you are looking for commercial support for your Terraform, AWS, or serverless project.

License

Apache 2 Licensed. See LICENSE for full details.

Name		Name	Last commit message	Last commit date
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.chglog		.chglog
examples		examples
modules		modules
.editorconfig		.editorconfig
.gitignore		.gitignore
.pre-commit-config.yaml		.pre-commit-config.yaml
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
iam.tf		iam.tf
main.tf		main.tf
outputs.tf		outputs.tf
package.py		package.py
package.tf		package.tf
variables.tf		variables.tf
versions.tf		versions.tf

License

ahlinc/terraform-aws-lambda

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AWS Lambda Terraform module

Features

Usage

Lambda Function (store package locally)

Lambda Function and Lambda Layer (store packages on S3)

Lambda Functions with existing package (prebuilt) stored locally

Lambda Function with existing package (prebuilt) stored in S3 bucket

Lambda Layers (store packages locally and on S3)

Lambda@Edge

Lambda Function in VPC

Additional IAM policies for Lambda Functions

Lambda Permissions for allowed triggers

Conditional creation

How does building and packaging work?

Build Dependencies

Simple build from single directory

Static build from multiple source directories

Combine various options for extreme flexibility

Building in Docker

Deployment package - Create or use existing

Using deployment package from remote URL

How to deploy and manage Lambda Functions?

Simple deployments

Controlled deployments (rolling, canary, rollbacks)

FAQ

Notes

Examples

Requirements

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Inputs

Outputs

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