kubernetes/pkg/kubelet/config/http.go

type sourceURL …

// NewSourceURL specifies the URL where to read the Pod configuration from, then watches it for changes.
func NewSourceURL(url string, header http.Header, nodeName types.NodeName, period time.Duration, updates chan<- interface{ … }

func (s *sourceURL) run() { … }

func (s *sourceURL) applyDefaults(pod *api.Pod) error { … }

func (s *sourceURL) extractFromURL() error { … }