nuclei-templates/cloud/gcp/sql/gcloud-sql-log-lock-waits-disabled.yaml

id: gcloud-sql-log-lock-waits-disabled

info:
  name: Log Lock Waits Flag Disabled for PostgreSQL Database Instances
  author: princechaddha
  severity: medium
  description: |
    Ensure that the "log_lock_waits" database flag is enabled for all your Google Cloud PostgreSQL database instances to improve database performance monitoring and troubleshooting.
  impact: |
    Disabling the "log_lock_waits" flag can lead to reduced visibility into database lock wait events, which may result in difficulty identifying and resolving performance bottlenecks.
  remediation: |
    Enable the "log_lock_waits" database flag for all PostgreSQL database instances in your Google Cloud environment. This ensures better monitoring and identification of lock wait issues.
  reference:
    - https://cloud.google.com/sql/docs/postgres/flags
  tags: cloud,devops,gcp,gcloud,google-cloud-sql,postgreSQL,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:POSTGRES*' --format="json(name)"

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

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

    matchers:
      - type: word
        words:
          - '"off"'

    extractors:
      - type: dsl
        dsl:
          - '"Log Lock Waits Flag is not enabled for PostgreSQL Database Instance: " + sqlInstance + " in project: " + projectId'
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