terraform.aws.best-practice.aws-qldb-inadequate-ledger-permissions-mode.aws-qldb-inadequate-ledger-permissions-mode

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The AWS QLDB ledger permissions are too permissive. Consider using "'STANDARD'" permissions mode if possible.

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Defintion

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rules:
  - id: aws-qldb-inadequate-ledger-permissions-mode
    patterns:
      - pattern: |
          resource "aws_qldb_ledger" $ANYTHING {
            ...
            permissions_mode = "ALLOW_ALL"
            ...
          }
    message: The AWS QLDB ledger permissions are too permissive. Consider using
      "'STANDARD'" permissions mode if possible.
    languages:
      - hcl
    severity: WARNING
    metadata:
      category: best-practice
      technology:
        - terraform
        - aws
      license: Commons Clause License Condition v1.0[LGPL-2.1-only]

Examples

aws-qldb-inadequate-ledger-permissions-mode.tf

# pass

resource "aws_qldb_ledger" "standard" {
  name             = "ledger"
  permissions_mode = "STANDARD"
}

# failure
# ruleid: aws-qldb-inadequate-ledger-permissions-mode
resource "aws_qldb_ledger" "allow_all" {
  name             = "ledger"
  permissions_mode = "ALLOW_ALL"
}