agentutils

Documentation

Index

• func ErrMsg(err error) string
• func GetHostname() string
• func Keys(m map[string]bool) []string
• func LoadCursor(path string) (string, error)
• func LoadTLSConfig(cfg *config.Config) (*tls.Config, error)
• func Metric(ns, sub, name string, value interface{}, typ, unit string, ...) model.Metric
• func SaveCursor(path, cursor string) error
• func ToFloat64(v interface{}) float64

Functions

func ErrMsg

func ErrMsg(err error) string

ErrMsg returns the error message if err is not nil, otherwise returns an empty string.

func GetHostname

func GetHostname() string

GetHostname returns the system hostname, or "unknown" if it can't be determined.

func Keys

func Keys(m map[string]bool) []string

func LoadCursor

func LoadCursor(path string) (string, error)

LoadCursor reads the last saved journald cursor from a file. It returns an empty string and nil error if the file does not exist.

func LoadTLSConfig

func LoadTLSConfig(cfg *config.Config) (*tls.Config, error)

LoadTLSConfig loads the TLS configuration for the agent. It reads the CA certificate and client certificate/key from the specified paths. It returns a tls.Config object that can be used for secure communication.

func Metric

func Metric(ns, sub, name string, value interface{}, typ, unit string, dims map[string]string, ts time.Time) model.Metric

func SaveCursor

func SaveCursor(path, cursor string) error

SaveCursor writes the given journald cursor to a file.

func ToFloat64

func ToFloat64(v interface{}) float64