parameters:
- name: DryRun
  type: boolean
  default: false
  displayName: "Do a dry-run and do not remove any images"
- name: CacheHistoryDays
  type: number
  default: 4
  displayName: "The length of the cache history in days"
- name: CacheMinAccessCount
  type: number
  default: 5
  displayName: "The minimum access count over the cache history"

variables:
  ${{ if eq(parameters.DryRun, true) }}:
    DryRunArgument: "--dry-run"

jobs:
- job: Clean_Build_Docker_Image_Cache

  pool:
    vmImage: 'ubuntu-20.04'

  timeoutInMinutes: 30

  steps:
  - checkout: self
    submodules: false
    fetchDepth: 1

  - task: UsePythonVersion@0
    inputs:
      versionSpec: '3.9'
      addToPath: true
      architecture: 'x64'
    displayName: "Use Python 3.9"

  - task: AzureCLI@2
    inputs:
      azureSubscription: 'AIInfraBuild'
      scriptType: 'bash'
      scriptLocation: 'inlineScript'
      inlineScript: |
        tools/ci_build/clean_docker_image_cache.py \
          ${{ variables.DryRunArgument }} \
          --container-registry $(buildcache-container-registry) \
          --log-storage-account $(buildcache-log-storage-account) \
          --log-storage-account-container $(buildcache-log-storage-account-container) \
          --cache-history-days ${{ parameters.CacheHistoryDays }} \
          --cache-min-access-count ${{ parameters.CacheMinAccessCount }}
    displayName: "Clean image cache"