Cleanup-Azure-Container-Registry.ps1

Cleanup-Azure-Container-Registry.ps1

param(
[Parameter(Mandatory=$true)] $acrAccountName,
$takeLastImages = 5,
$likeRepositories = '',
$selectTagPattern = '^([0-9]+(\.)?){3,4}$'
)

#Get all repository where the name like with parameter $likeRepositories
$repositories = az acr repository list --name $acrAccountName --query ("[?contains(@, '" + $likeRepositories + "')]")  |  ConvertFrom-Json ;

#Get all image tags for repositories
$allTagsObjects = ( $repositories |% { az acr repository show-tags  -n $acrAccountName --repository $_ --orderby time_desc --output 'json' --detail --query "map(&{ID: @.digest, Tag: @.name, repository: '$_' },@)"  | Join-String | ConvertFrom-Json | Select-Object -Skip $takeLastImages  }  )

 # Filtering the images ID with only one tag
$uniqueTags = $allTagsObjects | Where -FilterScript { $id=$_.ID;($allTagsObjects | Where-Object ID -EQ $id).Count -EQ 1 } |  Where-Object Tag -Match $selectTagPattern

$uniqueTags | %{ $imageToRemove = ($_.repository + ":" + $_.Tag); write-host $imageToRemove; az acr repository delete -n $acrAccountName --image $imageToRemove -y }