class ChefCore::FileFetcher
Public Class Methods
download_file(url, local_path)
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# File lib/chef_core/file_fetcher.rb, line 39 def download_file(url, local_path) temp_path = "#{local_path}.downloading" file = open(temp_path, "wb") ChefCore::Log.debug "Downloading: #{temp_path}" Net::HTTP.start(url.host) do |http| begin http.request_get(url.path) do |resp| resp.read_body do |segment| file.write(segment) end end rescue e @error = true raise ensure file.close # If any failures occurred, don't risk keeping # an incomplete download that we'll see as 'cached' if @error FileUtils.rm_f(temp_path) else FileUtils.mv(temp_path, local_path) end end end end
fetch(cache_path, path)
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Simple fetcher of an http(s) url. Returns the local path of the downloaded file.
# File lib/chef_core/file_fetcher.rb, line 26 def fetch(cache_path, path) FileUtils.mkdir_p(cache_path) url = URI.parse(path) name = File.basename(url.path) local_path = File.join(cache_path, name) # TODO header check for size or checksum? return local_path if File.exist?(local_path) download_file(url, local_path) local_path end