kubernetes/pkg/kubelet/util/util.go

// FromApiserverCache modifies <opts> so that the GET request will
// be served from apiserver cache instead of from etcd.
func FromApiserverCache(opts *metav1.GetOptions) { … }

var IsUnixDomainSocket …

// GetNodenameForKernel gets hostname value to set in the hostname field (the nodename field of struct utsname) of the pod.
func GetNodenameForKernel(hostname string, hostDomainName string, setHostnameAsFQDN *bool) (string, error) { … }

// GetContainerByIndex validates and extracts the container at index "idx" from
// "containers" with respect to "statuses".
// It returns true if the container is valid, else returns false.
func GetContainerByIndex(containers []v1.Container, statuses []v1.ContainerStatus, idx int) (v1.Container, bool) { … }