Terraform module to provision a scheduled Lambda function which will delete old Elasticsearch indexes using SigV4Auth authentication. The lambda function can optionally send output to an SNS topic if the topic ARN is given. This module was largely inspired by aws-lambda-es-cleanup
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IMPORTANT: The master branch is used in source just as an example. In your code, do not pin to master because there may be breaking changes between releases. Instead pin to the release tag (e.g. ?ref=tags/x.y.z) of one of our latest releases.
For a complete example, see examples/complete.
For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.
module "elasticsearch_cleanup" { source = "https://github.com/cloudposse/terraform-aws-lambda-elasticsearch-cleanup.git?ref=master" es_endpoint = module.elasticsearch.domain_endpoint es_domain_arn = module.elasticsearch.domain_arn es_security_group_id = module.elasticsearch.security_group_id vpc_id = module.vpc.vpc_id namespace = "eg" stage = "dev" schedule = "rate(5 minutes)" }Available targets: build Build Lambda function zip dependencies Install dependencies help Help screen help/all Display help for all targets help/short This help short screen lint Lint terraform code | Name | Description | Type | Default | Required |
|---|---|---|---|---|
| artifact_url | URL template for the remote artifact | string | https://artifacts.cloudposse.com/$$${module_name}/$$${git_ref}/$$${filename} | no |
| attributes | Additional attributes (e.g. 1) | list(string) | <list> | no |
| delete_after | Number of days to preserve | number | 15 | no |
| delimiter | Delimiter to be used between namespace, stage, name and attributes | string | - | no |
| enabled | This module will not create any resources unless enabled is set to "true" | bool | true | no |
| es_domain_arn | The Elasticsearch domain ARN | string | - | yes |
| es_endpoint | The Elasticsearch endpoint for the Lambda function to connect to | string | - | yes |
| es_security_group_id | The Elasticsearch cluster security group ID | string | - | yes |
| index | Index/indices to process. Use a comma-separated list. Specify all to match every index except for .kibana or .kibana_1 | string | all | no |
| index_format | Combined with 'index' variable and is used to evaluate the index age | string | %Y.%m.%d | no |
| name | Solution name, e.g. 'app' or 'cluster' | string | app | no |
| namespace | Namespace, which could be your organization name, e.g. 'eg' or 'cp' | string | `` | no |
| python_version | The Python version to use | string | 2.7 | no |
| schedule | CloudWatch Events rule schedule using cron or rate expression | string | cron(0 3 * * ? *) | no |
| sns_arn | SNS ARN to publish alerts | string | `` | no |
| stage | Stage, e.g. 'prod', 'staging', 'dev', or 'test' | string | `` | no |
| subnet_ids | Subnet IDs | list(string) | - | yes |
| tags | Additional tags (e.g. map('BusinessUnit','XYZ') | map(string) | <map> | no |
| timeout | Timeout for Lambda function in seconds | number | 300 | no |
| vpc_id | The VPC ID for the Lambda function | string | - | yes |
| Name | Description |
|---|---|
| lambda_function_arn | ARN of the Lambda Function |
| lambda_function_source_code_size | The size in bytes of the function .zip file |
| security_group_id | Security Group ID of the Lambda Function |
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Check out these related projects.
- terraform-aws-vpc - Terraform Module that defines a VPC with public/private subnets across multiple AZs with Internet Gateways
- terraform-aws-dynamic-subnets - Terraform module for dynamic subnets provisioning.
- terraform-aws-elasticsearch - Terraform module for AWS Elasticsearch provisioning.
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