# File lib/chef/provider/remote_file.rb, line 34 def action_create Chef::Log.debug("#{@new_resource} checking for changes") if current_resource_matches_target_checksum? Chef::Log.debug("#{@new_resource} checksum matches target checksum (#{@new_resource.checksum}) - not updating") else rest = Chef::REST.new(@new_resource.source, nil, nil, http_client_opts) raw_file = rest.streaming_request(rest.create_url(@new_resource.source), {}) if matches_current_checksum?(raw_file) Chef::Log.debug "#{@new_resource} target and source checksums are the same - not updating" else description = [] description << "copy file downloaded from #{@new_resource.source} into #{@new_resource.path}" description << diff_current(raw_file.path) converge_by(description) do backup_new_resource FileUtils.cp raw_file.path, @new_resource.path Chef::Log.info "#{@new_resource} updated" raw_file.close! end # whyrun mode cleanup - the temp file will never be used, # so close/unlink it here. if whyrun_mode? raw_file.close! end end end set_all_access_controls end
# File lib/chef/provider/remote_file.rb, line 83 def backup_new_resource if ::File.exists?(@new_resource.path) Chef::Log.debug "#{@new_resource} checksum changed from #{@current_resource.checksum} to #{@new_resource.checksum}" backup @new_resource.path end end
# File lib/chef/provider/remote_file.rb, line 64 def current_resource_matches_target_checksum? @new_resource.checksum && @current_resource.checksum && @current_resource.checksum =~ /^#{Regexp.escape(@new_resource.checksum)}/ end
# File lib/chef/provider/remote_file.rb, line 100 def http_client_opts opts={} # CHEF-3140 # 1. If it's already compressed, trying to compress it more will # probably be counter-productive. # 2. Some servers are misconfigured so that you GET $URL/file.tgz but # they respond with content type of tar and content encoding of gzip, # which tricks Chef::REST into decompressing the response body. In this # case you'd end up with a tar archive (no gzip) named, e.g., foo.tgz, # which is not what you wanted. if @new_resource.path =~ /gz$/ or @new_resource.source =~ /gz$/ opts[:disable_gzip] = true end opts end
# File lib/chef/provider/remote_file.rb, line 29 def load_current_resource @current_resource = Chef::Resource::RemoteFile.new(@new_resource.name) super end
# File lib/chef/provider/remote_file.rb, line 68 def matches_current_checksum?(candidate_file) Chef::Log.debug "#{@new_resource} checking for file existence of #{@new_resource.path}" if ::File.exists?(@new_resource.path) Chef::Log.debug "#{@new_resource} file exists at #{@new_resource.path}" @new_resource.checksum(checksum(candidate_file.path)) Chef::Log.debug "#{@new_resource} target checksum: #{@current_resource.checksum}" Chef::Log.debug "#{@new_resource} source checksum: #{@new_resource.checksum}" @new_resource.checksum == @current_resource.checksum else Chef::Log.debug "#{@new_resource} creating #{@new_resource.path}" false end end
# File lib/chef/provider/remote_file.rb, line 90 def source_file(source, current_checksum, &block) if absolute_uri?(source) fetch_from_uri(source, &block) elsif !Chef::Config[:solo] fetch_from_chef_server(source, current_checksum, &block) else fetch_from_local_cookbook(source, &block) end end
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