rules:
- id: gcp-gke-legacy-instance-metadata-disabled
  patterns:
  - pattern: resource
  - pattern-inside: |
      resource "google_container_cluster" "..." {
      ...
      }
  - pattern-not-inside: |
      resource "google_container_cluster" "..." {
      ...
      min_master_version = 1.12
      ...
      }
  - pattern-not-inside: |
      resource "google_container_cluster" "..." {
      ...
      min_master_version = 1.13
      ...
      }
  message: >-
    Ensure legacy Compute Engine instance metadata APIs are Disabled
  metadata:
    owasp:
    - A05:2017 - Broken Access Control
    - A01:2021 - Broken Access Control
    cwe:
    - 'CWE-284: Improper Access Control'
    category: security
    technology:
    - terraform
    - gcp
    references:
    - https://owasp.org/Top10/A01_2021-Broken_Access_Control
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW
  languages: [hcl]
  severity: WARNING