46 lines
1.3 KiB
Ruby
46 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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module DependencyProxy
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class FindCachedManifestService < DependencyProxy::BaseService
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def initialize(group, image, tag, token)
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@group = group
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@image = image
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@tag = tag
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@token = token
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@file_name = "#{@image}:#{@tag}.json"
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@manifest = nil
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end
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def execute
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@manifest = @group.dependency_proxy_manifests
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.active
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.find_by_file_name_or_digest(file_name: @file_name, digest: @tag)
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head_result = DependencyProxy::HeadManifestService.new(@image, @tag, @token).execute
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return respond if cached_manifest_matches?(head_result)
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success(manifest: nil, from_cache: false)
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rescue Timeout::Error, *Gitlab::HTTP::HTTP_ERRORS
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respond
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end
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private
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def cached_manifest_matches?(head_result)
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return false if head_result[:status] == :error
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@manifest && @manifest.digest == head_result[:digest] && @manifest.content_type == head_result[:content_type]
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end
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def respond(from_cache: true)
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if @manifest
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@manifest.read!
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success(manifest: @manifest, from_cache: from_cache)
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else
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error('Failed to download the manifest from the external registry', 503)
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end
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end
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end
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end
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