update

Documentation

Index

• Constants
• Variables
• func ExecuteUpdateScriptRunner(updateScriptPath string)
• func InitCheckUpdateTimer() error
• func IsCPUIntensiveActionRunning() bool
• func IsCriticalActionRunning() bool
• func SafeBootstrapUpdate(preparationTimeout time.Duration, maximumDownloadTimeout time.Duration) error
• func SafeUpdate(preparationTimeout time.Duration, maximumDownloadTimeout time.Duration) error

Constants

const (
	// DefaultCheckIntervalSeconds is the default interval for update check timer
	DefaultCheckIntervalSeconds = 1800
)

const (
	// MaximumCheckUpdateRetries is the maximum retry count for checking update
	MaximumCheckUpdateRetries = 3
)

Variables

var (
	ErrPreparationTimeout   = errors.New("Updating preparation phase timeout")
	ErrUpdatorNotFound      = errors.New("Updator is required but not found")
	ErrUpdatorNotExecutable = errors.New("Updator is not executable")
)

Functions

func ExecuteUpdateScriptRunner

func ExecuteUpdateScriptRunner(updateScriptPath string)

func InitCheckUpdateTimer

func InitCheckUpdateTimer() error

func IsCPUIntensiveActionRunning

func IsCPUIntensiveActionRunning() bool

IsCPUIntensiveActionRunning returns cpuIntensiveActionRunning flag as boolean variable

func IsCriticalActionRunning

func IsCriticalActionRunning() bool

IsCriticalActionRunning returns criticalActionRunning flag as boolean variable

func SafeBootstrapUpdate

func SafeBootstrapUpdate(preparationTimeout time.Duration, maximumDownloadTimeout time.Duration) error

func SafeUpdate

func SafeUpdate(preparationTimeout time.Duration, maximumDownloadTimeout time.Duration) error

SafeUpdate checks update information and running tasks before invoking updator