helpers

Documentation

Index

• func AppendToFile(path string, extraContent []byte, mode os.FileMode) error
• func AsgName(sess *session.Session) (*string, error)
• func AtomicWrite(path string, contents []byte, mode os.FileMode) error
• func EnsureEnvironment(environment []string) (map[string]string, error)
• func IdempotentDo(checker func() (bool, error), doer func() error) error
• func InputToMapping(inputFile string) (map[string]string, error)
• func IsIndexOne(sess *session.Session, inputFile string) (bool, error)
• func MapKeys(mapping map[string]string) []string
• func MyID(sess *session.Session) (string, error)
• func MyIP(sess *session.Session) (string, error)
• func MyIndex(mapping map[string]string, ip string) string
• func SortMapKeys(mapping map[string]string) []string
• func WaitFor(duration time.Duration, checker func() error) error
• func WriteIfChanged(path string, contents []byte, mode os.FileMode) error
• type CommandOutput
  • func RunCommand(command string, args ...string) *CommandOutput

Functions

func AppendToFile

func AppendToFile(path string, extraContent []byte, mode os.FileMode) error

func AsgName

func AsgName(sess *session.Session) (*string, error)

func AtomicWrite

func AtomicWrite(path string, contents []byte, mode os.FileMode) error

func EnsureEnvironment

func EnsureEnvironment(environment []string) (map[string]string, error)

func IdempotentDo

func IdempotentDo(checker func() (bool, error), doer func() error) error

func InputToMapping

func InputToMapping(inputFile string) (map[string]string, error)

func IsIndexOne

func IsIndexOne(sess *session.Session, inputFile string) (bool, error)

func MapKeys

func MapKeys(mapping map[string]string) []string

func MyID

func MyID(sess *session.Session) (string, error)

func MyIP

func MyIP(sess *session.Session) (string, error)

func MyIndex

func MyIndex(mapping map[string]string, ip string) string

func SortMapKeys

func SortMapKeys(mapping map[string]string) []string

func WaitFor

func WaitFor(duration time.Duration, checker func() error) error

func WriteIfChanged

func WriteIfChanged(path string, contents []byte, mode os.FileMode) error

Types

type CommandOutput

type CommandOutput struct {
	ExitStatus int
	Stdout     string
	Stderr     string
}

func RunCommand

func RunCommand(command string, args ...string) *CommandOutput