env

func Environ ¶

func Environ() []string

Environ returns a copy of strings representing the environment, in the form "key=value".

func Get ¶

func Get(key, defaultValue string) string

Get returns the value of the environment variable named by key. If the variable is unset or set to an empty string, defaultValue is returned.

func GetDuration ¶

func GetDuration(key string, defaultValue time.Duration) (time.Duration, error)

GetDuration returns a parsed time.Duration if found in the environment value, returns the default value duration otherwise.

func GetInt ¶

func GetInt(key string, defaultValue int) (int, error)

GetInt returns an integer if found in the environment and returns the default value otherwise.

func IsSet ¶

func IsSet(key string) bool

IsSet returns if the given env key is set. remember ENV must be a non-empty. All empty values are considered unset.

func List ¶

func List(prefix string) (envs []string)

List all envs with a given prefix.

func LockSetEnv ¶

func LockSetEnv() func()

LockSetEnv locks modifications to environment. Call returned function to unlock.

func LookupEnv ¶

func LookupEnv(key string) (string, string, string, error)

LookupEnv retrieves the value of the environment variable named by `key`.

If the value of the variable starts with "env://" or "env+tls://" it is fetched from the referenced remote server. The fetched value is cached in a separate environment variable prefixed with an underscore for subsequent lookups should the remote server be unreachable. When fetching from a remote server the username and password used are also returned.

For regular environment variables the value is returned as-is with empty credentials.

func RegisterGlobalCAs ¶

func RegisterGlobalCAs(CAs *x509.CertPool)

RegisterGlobalCAs register the global root CAs

func SetEnvOff ¶

func SetEnvOff()

SetEnvOff - turns off env lookup A global lock above this MUST ensure that

func SetEnvOn ¶

func SetEnvOn()

SetEnvOn - turns on env lookup