kubernetes/pkg/util/env/env.go

// GetEnvAsStringOrFallback returns the env variable for the given key
// and falls back to the given defaultValue if not set
func GetEnvAsStringOrFallback(key, defaultValue string) string { … }

// GetEnvAsIntOrFallback returns the env variable (parsed as integer) for
// the given key and falls back to the given defaultValue if not set
func GetEnvAsIntOrFallback(key string, defaultValue int) (int, error) { … }

// GetEnvAsFloat64OrFallback returns the env variable (parsed as float64) for
// the given key and falls back to the given defaultValue if not set
func GetEnvAsFloat64OrFallback(key string, defaultValue float64) (float64, error) { … }