zrepl/replication/driver/replication_driver_debug.go

32 lines
681 B
Go

package driver
import (
"fmt"
"os"
)
var debugEnabled bool = false
func init() {
if os.Getenv("ZREPL_REPLICATION_DRIVER_DEBUG") != "" {
debugEnabled = true
}
}
//nolint:deadcode,unused
func debug(format string, args ...interface{}) {
if debugEnabled {
fmt.Fprintf(os.Stderr, "repl: driver: %s\n", fmt.Sprintf(format, args...))
}
}
type debugFunc func(format string, args ...interface{})
//nolint:deadcode,unused
func debugPrefix(prefixFormat string, prefixFormatArgs ...interface{}) debugFunc {
prefix := fmt.Sprintf(prefixFormat, prefixFormatArgs...)
return func(format string, args ...interface{}) {
debug("%s: %s", prefix, fmt.Sprintf(format, args...))
}
}