Scheduled AWS Lambda function

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This module can be used to deploy an AWS Lambda function which is scheduled to run on a recurring basis.

Module Input Variables

• lambda_name - Unique name for Lambda function
• memory_size (optional) - Amount of memory in MB your Lambda Function can use at runtime. Defaults to 128.
• runtime - A valid Lambda runtime environment
• lambda_zipfile - path to zip archive containing Lambda function
• source_code_hash - the base64 encoded sha256 hash of the archive file - see TF archive file provider
• handler - the entrypoint into your Lambda function, in the form of filename.function_name
• schedule_expression - a valid rate or cron expression
• iam_policy_document - a valid IAM policy document used for the Lambda's execution role
• timeout - (optional) the amount of time your Lambda Function has to run in seconds. Defaults to 3. See Limits
• subnet_ids (optional) - If set, the lambda will be deployed inside a VPC on the subnet(s) specified. Expects a comma separated list of valid AWS subnet ids.
• security_group_ids (optional) - If set, the lambda will be deployed inside a VPC and use the security groups specified. Expects a comma separated list of valid VPC security group ids .
• enabled - boolean expression. If false, the lambda function and the cloudwatch schedule are not set. Defaults to true.

Usage

data "aws_iam_policy_document" "create_snaps" {
  statement {
    sid = "1"

    actions = [
      "ec2:DescribeVolumes",
      "ec2:CreateSnapshot",
      "ec2:CreateTags",
    ]

    resources = [
      "*",
    ]
  }
}

data "archive_file" "myfunction" {
  type        = "zip"
  source_file = "/valid/path/to/myfunction.py"
  output_path = "/valid/path/to/myfunction.zip"
}

module "lambda_scheduled" {
  source              = "github.com/terraform-community-modules/tf_aws_lambda_scheduled"
  lambda_name         = "my_scheduled_lambda"
  runtime             = "python2.7"
  lambda_zipfile      = "/valid/path/to/myfunction.zip"
  source_code_hash    = "${data.archive_file.myfunction.output_base64sha256}"
  handler             = "myfunction.handler"
  schedule_expression = "rate(1 day)"
  iam_policy_document = "${data.aws_iam_policy_document.create_snaps.json}"
}

Outputs

• lambda_arn - ARN for the created Lambda function

Author

Created and maintained by Shayne Clausson