AWS::SSM::Parameter

• Systems Manager (SSM)
• Storage for configurations and secrets
• Versioning of config/secrets
• Optional encryption with KMS

• Parameter Store Hierarchy
• /mydepartment/
  • firstapp/
  • dev/
    • db-url
    • db-password
  • prod/
    • db-url
    • db-password
  • secondapp/
  • ...

Properties

• https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ssm-parameter.html

Policies

• Allow TTLs to force updating or deleting sensitive data

// delete key after some time
{
  "Type": "Expiration",
  "Version": "1.0",
  "Attributes": {
    "Timestamp": "2020-12-02T21:34:33.000Z"
  }
}

Tier

• Standard: up to 10k parameters, no policies
• Advanced: up to 100k parameters

Type

• String
• StringList
• SecureString