S3 Lifecycle to Glacier

📦 Overview

This Terraform module applies an Amazon S3 lifecycle policy that automatically transitions objects to the GLACIER storage class after a specified number of days.

It’s ideal for archiving infrequently accessed data, reducing long-term storage costs, and meeting compliance needs for cold data retention.

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✅ Key Features

• Transitions S3 objects to GLACIER after a configurable number of days
• Supports optional prefix filtering to target specific object sets
• Reduces storage costs in large-scale environments
• Built for long-term data compliance and archival automation

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💼 Use Cases

• Regulatory data retention with low access frequency
• Archival of logs, exports, and backups
• Storage cost reduction in S3-heavy workloads
• Cold storage lifecycle enforcement in production or backup buckets

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📥 Input Variables

Name	Type	Description
region	string	AWS region where the S3 bucket is located
bucket_name	string	Name of the existing S3 bucket to apply the lifecycle policy
transition_days	number	Number of days after which to move objects to GLACIER
filter_prefix	string	(Optional) Prefix to filter target objects (e.g., "logs/")
environment	string	Tag to specify the deployment environment (e.g., dev, staging, prod)

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📤 Outputs

Name	Description
bucket_name	The name of the S3 bucket receiving the rule
rule_id	The identifier of the applied lifecycle rule

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🚀 Deployment Readiness

• ✅ Compatible with Terraform 1.0+
• ✅ Tested with AWS provider 5.x
• 🧪 Requires an existing S3 bucket and IAM permissions for lifecycle policy management

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🛠️ Example Usage

module "s3_lifecycle_to_glacier" {
  source          = "git::ssh://git@github.com/archiphire/aws-level-1-modules.git//storage/s3-lifecycle-to-glacier?ref=v1.0.0"

  region          = "us-east-1"
  bucket_name     = "archiphire-data-store"
  transition_days = 30
  filter_prefix   = ""
  environment     = "prod"
}

terraform init
terraform plan
terraform apply

or

tofu init
tofu plan
tofu apply

🧹 Cleanup Options

Terraform Destroy (for test environments):

terraform destroy

or

tofu destroy

⚠️ This will remove only the lifecycle configuration. The S3 bucket and its contents will remain unless deleted separately.

🛡️ Notes

This is a Level 1 module designed for targeted cold-storage automation. For full lifecycle and archival strategies, consider pairing with:

s3-lifecycle-expire s3-lifecycle-intelligent-tiering glacier-vault (for non-S3 object archival)

🔒 Deployment Package Notice

This module is part of the Level 1 AWS License Tier. To access the full deployment package and source code, subscribe to Archiphire.