utils

Documentation

Index

• Constants
• func CreateDir(target string, mode int) error
• func FileExisted(filename string) bool
• func IsDir(path string) bool
• func Mounted(mountPath string) bool
• func RunCommand(cmd string) (string, error)
• func SentrySendError(errorInfo error)
• func ServerReachable(host, port string, timeout time.Duration) bool
• func Unmount(mountPath string) error
• func WaitTimeout(wg *sync.WaitGroup, timeout int) bool
• type NodeMeta
  • func GetNodeMetadata() *NodeMeta
  • func (n *NodeMeta) GetNodeID() string

Constants

const (
	NodeMetaDataFile = "/host/etc/cds/node-meta"
)

Functions

func CreateDir

func CreateDir(target string, mode int) error

CreateDir create the target directory with error handling

func FileExisted

func FileExisted(filename string) bool

FileExisted checks if a file or directory exists

func IsDir

func IsDir(path string) bool

IsDir checks if the target path is directory

func Mounted

func Mounted(mountPath string) bool

Mounted checks whether a volume is mounted

func RunCommand

func RunCommand(cmd string) (string, error)

RunCommand runs a given shell command

func SentrySendError

func SentrySendError(errorInfo error)

func ServerReachable

func ServerReachable(host, port string, timeout time.Duration) bool

ServerReachable tests whether a server is connection using TCP

func Unmount

func Unmount(mountPath string) error

Unmount tries to unmount a device from the node

func WaitTimeout

func WaitTimeout(wg *sync.WaitGroup, timeout int) bool

WaitTimeOut waits for a mount of time before continues

Types

type NodeMeta

type NodeMeta struct {
	NodeID string `json:"node_id"`
}

func GetNodeMetadata

func GetNodeMetadata() *NodeMeta

GetNodeId reads node metadata from file

func (*NodeMeta) GetNodeID

func (n *NodeMeta) GetNodeID() string