hostinfo

Documentation

Overview

Package hostinfo provides functions to get annotations, labels, etc. from Kubernetes nodes.

Index

• Constants
• func GetTags(ctx context.Context) ([]string, error)
• func LabelPreprocessor(labelName string, labelValue string) (string, string)
• type NodeInfo
  • func NewNodeInfo() (*NodeInfo, error)
  • func (n *NodeInfo) GetNodeClusterNameLabel(ctx context.Context, clusterName string) (string, error)
  • func (n *NodeInfo) GetNodeLabels(ctx context.Context) (map[string]string, error)

Constants

const (
	// NormalizedRoleLabel is original Kubernetes label for role, we normalize the new one to this one
	NormalizedRoleLabel string = "kubernetes.io/role"
)

Functions

func GetTags

func GetTags(ctx context.Context) ([]string, error)

GetTags gets the tags from the kubernetes apiserver

func LabelPreprocessor

func LabelPreprocessor(labelName string, labelValue string) (string, string)

LabelPreprocessor ensure different role labels are parsed correctly

Types

type NodeInfo

type NodeInfo struct {
}

NodeInfo is use to get Kubernetes Node metadata information

func NewNodeInfo

func NewNodeInfo() (*NodeInfo, error)

NewNodeInfo return a new NodeInfo instance return an error if it fails to access the kubelet client.

func (*NodeInfo) GetNodeClusterNameLabel

func (n *NodeInfo) GetNodeClusterNameLabel(ctx context.Context, clusterName string) (string, error)

GetNodeClusterNameLabel returns clustername by fetching a node label

func (*NodeInfo) GetNodeLabels

func (n *NodeInfo) GetNodeLabels(ctx context.Context) (map[string]string, error)

GetNodeLabels returns node labels for this host