kubernetes: k8s.io/kubernetes/pkg/kubectl/drain Index | Files

package drain

import "k8s.io/kubernetes/pkg/kubectl/drain"


Package Files

cordon.go drain.go filters.go


const (
    // EvictionKind represents the kind of evictions object
    EvictionKind = "Eviction"
    // EvictionSubresource represents the kind of evictions object as pod's subresource
    EvictionSubresource = "pods/eviction"

func CheckEvictionSupport Uses

func CheckEvictionSupport(clientset kubernetes.Interface) (string, error)

CheckEvictionSupport uses Discovery API to find out if the server support eviction subresource If support, it will return its groupVersion; Otherwise, it will return an empty string

type CordonHelper Uses

type CordonHelper struct {
    // contains filtered or unexported fields

CordonHelper wraps functionality to cordon/uncordon nodes

func NewCordonHelper Uses

func NewCordonHelper(node *corev1.Node) *CordonHelper

NewCordonHelper returns a new CordonHelper

func NewCordonHelperFromRuntimeObject Uses

func NewCordonHelperFromRuntimeObject(nodeObject runtime.Object, scheme *runtime.Scheme, gvk schema.GroupVersionKind) (*CordonHelper, error)

NewCordonHelperFromRuntimeObject returns a new CordonHelper, or an error if given object is not a node or cannot be encoded as JSON

func (*CordonHelper) PatchOrReplace Uses

func (c *CordonHelper) PatchOrReplace(clientset kubernetes.Interface) (error, error)

PatchOrReplace uses given clientset to update the node status, either by patching or updating the given node object; it may return error if the object cannot be encoded as JSON, or if either patch or update calls fail; it will also return a second error whenever creating a patch has failed

func (*CordonHelper) UpdateIfRequired Uses

func (c *CordonHelper) UpdateIfRequired(desired bool) bool

UpdateIfRequired returns true if c.node.Spec.Unschedulable isn't already set, or false when no change is needed

type Helper Uses

type Helper struct {
    Client              kubernetes.Interface
    Force               bool
    DryRun              bool
    GracePeriodSeconds  int
    IgnoreAllDaemonSets bool
    Timeout             time.Duration
    DeleteLocalData     bool
    Selector            string
    PodSelector         string
    ErrOut              io.Writer

Helper contains the parameters to control the behaviour of drainer

func (*Helper) DeletePod Uses

func (d *Helper) DeletePod(pod corev1.Pod) error

DeletePod will delete the given pod, or return an error if it couldn't

func (*Helper) EvictPod Uses

func (d *Helper) EvictPod(pod corev1.Pod, policyGroupVersion string) error

EvictPod will evict the give pod, or return an error if it couldn't

func (*Helper) GetPodsForDeletion Uses

func (d *Helper) GetPodsForDeletion(nodeName string) (*podDeleteList, []error)

GetPodsForDeletion receives resource info for a node, and returns those pods as PodDeleteList, or error if it cannot list pods. All pods that are ready to be deleted can be obtained with .Pods(), and string with all warning can be obtained with .Warnings(), and .Errors() for all errors that occurred during deletion.

Package drain imports 17 packages (graph) and is imported by 9 packages. Updated 2019-03-01. Refresh now. Tools for package owners.