id: gcloud-mysql-slowquerylog-disabled

info:
  name: Slow Query Log Disabled for MySQL Database Servers
  author: princechaddha
  severity: medium
  description: |
    Ensure that the "slow_query_log" database flag is enabled for your Google Cloud MySQL database instances in order to simplify the task of finding inefficient or time-consuming SQL queries for your MySQL databases. By default, the "slow_query_log" database flag is not enabled for Google Cloud MySQL instances.
  impact: |
    Disabling the "slow_query_log" flag makes it difficult to identify and optimize slow or inefficient queries, leading to potential database performance degradation and increased costs.
  remediation: |
    Enable the "slow_query_log" flag for MySQL database instances in Google Cloud to log and analyze slow SQL queries, improving database performance and query efficiency.
  reference:
    - https://cloud.google.com/sql/docs/mysql/flags
  tags: cloud,devops,gcp,gcloud,google-cloud-sql,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:MYSQL*' --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)"

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

    extractors:
      - type: dsl
        dsl:
          - '"The slow_query_log flag is disabled for MySQL instance " + sqlInstance + " in project: " + projectId'
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