2019-03-02 22:35:43 +05:30
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# frozen_string_literal: true
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module Projects
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module ContainerRepository
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class CleanupTagsService < BaseService
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def execute(container_repository)
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return error('feature disabled') unless can_use?
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2020-03-13 15:44:24 +05:30
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return error('access denied') unless can_destroy?
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2019-03-02 22:35:43 +05:30
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tags = container_repository.tags
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tags_by_digest = group_by_digest(tags)
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tags = without_latest(tags)
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tags = filter_by_name(tags)
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tags = with_manifest(tags)
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tags = order_by_date(tags)
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tags = filter_keep_n(tags)
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tags = filter_by_older_than(tags)
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deleted_tags = delete_tags(tags, tags_by_digest)
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success(deleted: deleted_tags.map(&:name))
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end
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private
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def delete_tags(tags_to_delete, tags_by_digest)
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deleted_digests = group_by_digest(tags_to_delete).select do |digest, tags|
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2020-01-01 13:55:28 +05:30
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delete_tag_digest(tags, tags_by_digest[digest])
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2019-03-02 22:35:43 +05:30
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end
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deleted_digests.values.flatten
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end
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2020-01-01 13:55:28 +05:30
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def delete_tag_digest(tags, other_tags)
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2019-12-04 20:38:33 +05:30
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# Issue: https://gitlab.com/gitlab-org/gitlab-foss/issues/21405
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2019-03-02 22:35:43 +05:30
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# we have to remove all tags due
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# to Docker Distribution bug unable
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# to delete single tag
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return unless tags.count == other_tags.count
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# delete all tags
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2019-12-21 20:55:43 +05:30
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tags.map(&:unsafe_delete)
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2019-03-02 22:35:43 +05:30
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end
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def group_by_digest(tags)
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tags.group_by(&:digest)
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end
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def without_latest(tags)
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tags.reject(&:latest?)
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end
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def with_manifest(tags)
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tags.select(&:valid?)
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end
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def order_by_date(tags)
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now = DateTime.now
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tags.sort_by { |tag| tag.created_at || now }.reverse
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end
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def filter_by_name(tags)
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regex = Gitlab::UntrustedRegexp.new("\\A#{params['name_regex']}\\z")
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tags.select do |tag|
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regex.scan(tag.name).any?
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end
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end
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def filter_keep_n(tags)
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tags.drop(params['keep_n'].to_i)
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end
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def filter_by_older_than(tags)
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return tags unless params['older_than']
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older_than = ChronicDuration.parse(params['older_than']).seconds.ago
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tags.select do |tag|
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tag.created_at && tag.created_at < older_than
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end
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end
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2020-03-13 15:44:24 +05:30
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def can_destroy?
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return true if params['container_expiration_policy']
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can?(current_user, :destroy_container_image, project)
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2019-03-02 22:35:43 +05:30
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end
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def can_use?
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Feature.enabled?(:container_registry_cleanup, project, default_enabled: true)
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end
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end
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end
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end
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