ev/pkg/env/env.go

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863 B
Go
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package env
import (
"log"
"os"
"strings"
)
func Default(name, defaultValue string) string {
name = strings.TrimSpace(name)
defaultValue = strings.TrimSpace(defaultValue)
if v := strings.TrimSpace(os.Getenv(name)); v != "" {
log.Println("# ", name, "=", v)
return v
}
log.Println("# ", name, "=", defaultValue, "(default)")
return defaultValue
}
type secret string
func (s secret) String() string {
if s == "" {
return "(nil)"
}
return "***"
}
func (s secret) Secret() string {
return string(s)
}
func Secret(name, defaultValue string) secret {
name = strings.TrimSpace(name)
defaultValue = strings.TrimSpace(defaultValue)
if v := strings.TrimSpace(os.Getenv(name)); v != "" {
log.Println("# ", name, "=", secret(v))
return secret(v)
}
log.Println("# ", name, "=", secret(defaultValue), "(default)")
return secret(defaultValue)
}