75 lines
1.9 KiB
Ruby
75 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Ci
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class Trace
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##
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# RemoteChecksum class is responsible for fetching the MD5 checksum of
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# an uploaded build trace.
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#
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class RemoteChecksum
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include Gitlab::Utils::StrongMemoize
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def initialize(trace_artifact)
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@trace_artifact = trace_artifact
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end
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def md5_checksum
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strong_memoize(:md5_checksum) do
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fetch_md5_checksum
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end
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end
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private
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attr_reader :trace_artifact
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delegate :aws?, :google?, to: :object_store_config, prefix: :provider
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def fetch_md5_checksum
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return unless object_store_config.enabled?
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return if trace_artifact.local_store?
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remote_checksum_value
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end
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def remote_checksum_value
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strong_memoize(:remote_checksum_value) do
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if provider_google?
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checksum_from_google
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elsif provider_aws?
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checksum_from_aws
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end
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end
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end
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def object_store_config
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strong_memoize(:object_store_config) do
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trace_artifact.file.class.object_store_config
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end
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end
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def checksum_from_google
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content_md5 = upload_attributes.fetch(:content_md5)
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Base64
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.decode64(content_md5)
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.unpack1('H*')
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end
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def checksum_from_aws
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upload_attributes.fetch(:etag)
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end
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# Carrierwave caches attributes for the local file and does not replace
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# them with the ones from object store after the upload completes.
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# We need to force it to fetch them directly from the object store.
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def upload_attributes
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strong_memoize(:upload_attributes) do
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::Ci::JobArtifact.find(trace_artifact.id).file.file.attributes
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end
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end
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end
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end
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end
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end
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