kubernetes/cmd/kubeadm/app/phases/upgrade/versiongetter.go

type VersionGetter …

type KubeVersionGetter …

// NewKubeVersionGetter returns a new instance of KubeVersionGetter
func NewKubeVersionGetter(client clientset.Interface) VersionGetter { … }

// ClusterVersion gets API server version
func (g *KubeVersionGetter) ClusterVersion() (string, *versionutil.Version, error) { … }

// KubeadmVersion gets kubeadm version
func (g *KubeVersionGetter) KubeadmVersion() (string, *versionutil.Version, error) { … }

// VersionFromCILabel resolves a version label like "latest" or "stable" to an actual version using the public Kubernetes CI uploads
func (g *KubeVersionGetter) VersionFromCILabel(ciVersionLabel, description string) (string, *versionutil.Version, error) { … }

// KubeletVersions gets the versions of the kubelets in the cluster.
func (g *KubeVersionGetter) KubeletVersions() (map[string][]string, error) { … }

// ComponentVersions gets the versions of the control-plane components in the cluster.
// The name parameter is the name of the component to get the versions for.
// The function returns a map with the version as the key and a list of node names as the value.
func (g *KubeVersionGetter) ComponentVersions(name string) (map[string][]string, error) { … }

type OfflineVersionGetter …

// NewOfflineVersionGetter wraps a VersionGetter and skips online communication if default information is supplied.
// Version can be "" and the behavior will be identical to the versionGetter passed in.
func NewOfflineVersionGetter(versionGetter VersionGetter, version string) VersionGetter { … }

// VersionFromCILabel will return the version that was passed into the struct
func (o *OfflineVersionGetter) VersionFromCILabel(ciVersionLabel, description string) (string, *versionutil.Version, error) { … }