private async Task ProcessManifestsAsync(
IAcrClient acrClient, List <string> deletedImages, List <string> deletedRepos, Repository repository,
Func <ManifestAttributes, bool> canDeleteManifest)
{
_loggerService.WriteMessage($"Querying manifests for repo '{repository.Name}'");
RepositoryManifests repoManifests = await acrClient.GetRepositoryManifestsAsync(repository.Name);
_loggerService.WriteMessage($"Finished querying manifests for repo '{repository.Name}'. Manifest count: {repoManifests.Manifests.Count}");
if (!repoManifests.Manifests.Any())
{
await DeleteRepositoryAsync(acrClient, deletedRepos, repository);
return;
}
ManifestAttributes[] expiredTestImages = repoManifests.Manifests
.Where(manifest => canDeleteManifest(manifest))
.ToArray();
// If all the images in the repo are expired, delete the whole repo instead of
// deleting each individual image.
if (expiredTestImages.Length == repoManifests.Manifests.Count)
{
await DeleteRepositoryAsync(acrClient, deletedRepos, repository);
return;
}
await DeleteManifestsAsync(acrClient, deletedImages, repository, expiredTestImages);
}
private async Task DeleteRepositoryAsync(IAcrClient acrClient, List <string> deletedRepos, Repository repository)
{
string[] manifestsDeleted;
string[] tagsDeleted;
ManifestAttributes[] manifests = (await acrClient.GetRepositoryManifestsAsync(repository.Name)).Manifests.ToArray();
if (!Options.IsDryRun)
{
DeleteRepositoryResponse deleteResponse =
await acrClient.DeleteRepositoryAsync(repository.Name);
manifestsDeleted = deleteResponse.ManifestsDeleted;
tagsDeleted = deleteResponse.TagsDeleted;
}
else
{
manifestsDeleted = manifests
.Select(manifest => manifest.Digest)
.ToArray();
tagsDeleted = manifests
.SelectMany(manifest => manifest.Tags)
.ToArray();
}
StringBuilder messageBuilder = new StringBuilder();
messageBuilder.AppendLine($"Deleted repository '{repository.Name}'");
messageBuilder.AppendLine($"\tIncluded manifests:");
foreach (string manifest in manifestsDeleted.OrderBy(manifest => manifest))
{
messageBuilder.AppendLine($"\t{manifest}");
}
messageBuilder.AppendLine();
messageBuilder.AppendLine($"\tIncluded tags:");
foreach (string tag in tagsDeleted.OrderBy(tag => tag))
{
messageBuilder.AppendLine($"\t{tag}");
}
_loggerService.WriteMessage(messageBuilder.ToString());
lock (deletedRepos)
{
deletedRepos.Add(repository.Name);
}
}