Class: OsCtl::Repo::Downloader::Direct

Inherits:
Downloader::Base
  • Object
show all
Defined in:
lib/osctl/repo/downloader/direct.rb

Overview

Download image in a specified format, no caching involved

Instance Method Summary collapse

Instance Method Details

#get(vendor, variant, arch, dist, vtag, format, _opts = {}, &block) ⇒ Object

yieldparam [String] downloaded data



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# File 'lib/osctl/repo/downloader/direct.rb', line 27

def get(vendor, variant, arch, dist, vtag, format, _opts = {}, &block)
  with_retries do
    connect do |http|
      body = +''

      request_get(http, index_uri) do |res|
        raise BadHttpResponse, res.code if res.code != '200'

        res.read_body do |fragment|
          body << fragment
        end
      end

      index = Remote::Index.from_string(repo, body)
      t = index.lookup(vendor, variant, arch, dist, vtag)

      raise ImageNotFound, t unless t
      raise FormatNotFound.new(t, format) unless t.has_image?(format)

      request_get(http, URI(t.abs_image_url(format))) do |res|
        raise BadHttpResponse, res.code if res.code != '200'

        res.read_body(&block)
      end
    end
  end
end

#list ⇒ Array<Remote::Image>

Returns:



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# File 'lib/osctl/repo/downloader/direct.rb', line 8

def list
  with_retries do
    connect do |http|
      body = +''

      request_get(http, index_uri) do |res|
        raise BadHttpResponse, res.code if res.code != '200'

        res.read_body do |fragment|
          body << fragment
        end
      end

      Remote::Index.from_string(repo, body).images
    end
  end
end