gcloud-sql-user-options: User Options Flag Enabled in Google Cloud SQL Server Instances

id: gcloud-sql-user-options

info:
  name: User Options Flag Enabled in Google Cloud SQL Server Instances
  author: princechaddha
  severity: medium
  description: |
    Checks if the "user options" database flag is configured for Google Cloud SQL Server instances, which can define global defaults for all database users.
  impact: |
    Configuring the "user options" database flag can lead to unintended global defaults for all database users, potentially causing performance issues or undesired behavior.
  remediation: |
    Disable the "user options" database flag for your Google Cloud SQL Server instances to avoid global defaults for all database users.
  reference:
    - https://cloud.google.com/sql/docs/sqlserver/configure-database-flags
  tags: cloud,devops,gcp,gcloud,google-cloud-sql,sql-database-flags,gcp-cloud-config

flow: |
  code(1)
  for(let projectId of iterate(template.projectIds)){
    set("projectId", projectId)
    code(2)
    for(let sqlInstance of iterate(template.sqlInstances)){
      set("sqlInstance", sqlInstance)
      code(3)
    }}

self-contained: true

code:
  - engine:
      - sh
      - bash
    source: |
      gcloud projects list --format="json(projectId)"

    extractors:
      - type: json
        name: projectIds
        internal: true
        json:
          - '.[].projectId'

  - engine:
      - sh
      - bash
    source: |
      gcloud sql instances list --project $projectId --filter='DATABASE_VERSION:SQLSERVER*' --format="json(name)"

    extractors:
      - type: json
        name: sqlInstances
        internal: true
        json:
          - '.[]'

  - engine:
      - sh
      - bash
    source: |
      gcloud sql instances describe $sqlInstance --format=json | jq '.settings.databaseFlags // [] | map(select(.name == "user options")) | .[].value'

    matchers:
      - type: regex
        regex:
          - '^(?:100|[1-9][0-9]?)$'

    extractors:
      - type: dsl
        dsl:
          - '"The user options database flag is enabled for the SQL Server instance " + sqlInstance + " in project " + projectId + "."'
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