136 lines
3.5 KiB
Ruby
136 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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module BulkImports
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module Clients
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class HTTP
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include Gitlab::Utils::StrongMemoize
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API_VERSION = 'v4'
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DEFAULT_PAGE = 1
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DEFAULT_PER_PAGE = 30
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def initialize(url:, token:, page: DEFAULT_PAGE, per_page: DEFAULT_PER_PAGE, api_version: API_VERSION)
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@url = url
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@token = token&.strip
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@page = page
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@per_page = per_page
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@api_version = api_version
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@compatible_instance_version = false
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end
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def get(resource, query = {})
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request(:get, resource, query: query.reverse_merge(request_query))
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end
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def post(resource, body = {})
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request(:post, resource, body: body)
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end
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def head(resource)
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request(:head, resource)
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end
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def stream(resource, &block)
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request(:get, resource, stream_body: true, &block)
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end
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def each_page(method, resource, query = {}, &block)
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return to_enum(__method__, method, resource, query) unless block
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next_page = @page
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while next_page
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@page = next_page.to_i
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response = self.public_send(method, resource, query) # rubocop: disable GitlabSecurity/PublicSend
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collection = response.parsed_response
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next_page = response.headers['x-next-page'].presence
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yield collection
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end
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end
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def resource_url(resource)
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Gitlab::Utils.append_path(api_url, resource)
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end
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def instance_version
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strong_memoize(:instance_version) do
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response = with_error_handling do
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Gitlab::HTTP.get(resource_url(:version), default_options)
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end
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Gitlab::VersionInfo.parse(response.parsed_response['version'])
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end
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end
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def compatible_for_project_migration?
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instance_version >= BulkImport.min_gl_version_for_project_migration
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end
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private
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def validate_instance_version!
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return if @compatible_instance_version
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if instance_version.major < BulkImport::MIN_MAJOR_VERSION
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raise ::BulkImports::Error.unsupported_gitlab_version
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else
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@compatible_instance_version = true
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end
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end
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# rubocop:disable GitlabSecurity/PublicSend
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def request(method, resource, options = {}, &block)
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validate_instance_version!
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with_error_handling do
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Gitlab::HTTP.public_send(
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method,
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resource_url(resource),
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request_options(options),
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&block
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)
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end
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end
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# rubocop:enable GitlabSecurity/PublicSend
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def request_options(options)
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default_options.merge(options)
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end
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def default_options
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{
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headers: { 'Content-Type' => 'application/json' },
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query: request_query,
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follow_redirects: true,
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resend_on_redirect: false,
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limit: 2
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}
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end
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def request_query
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{
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page: @page,
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per_page: @per_page,
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private_token: @token
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}
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end
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def with_error_handling
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response = yield
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raise ::BulkImports::NetworkError.new("Unsuccessful response #{response.code} from #{response.request.path.path}. Body: #{response.parsed_response}", response: response) unless response.success?
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response
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rescue *Gitlab::HTTP::HTTP_ERRORS => e
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raise ::BulkImports::NetworkError, e
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end
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def api_url
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Gitlab::Utils.append_path(@url, "/api/#{@api_version}")
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end
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end
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end
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end
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