zrepl/client/stdinserver.go
2018-09-04 16:43:55 -07:00

42 lines
942 B
Go

package client
import (
"os"
"context"
"github.com/problame/go-netssh"
"log"
"path"
"github.com/zrepl/zrepl/config"
"errors"
)
func RunStdinserver(config *config.Config, args []string) error {
// NOTE: the netssh proxying protocol requires exiting with non-zero status if anything goes wrong
defer os.Exit(1)
log := log.New(os.Stderr, "", log.LUTC|log.Ldate|log.Ltime)
if len(args) != 1 || args[0] == "" {
err := errors.New("must specify client_identity as positional argument")
return err
}
identity := args[0]
unixaddr := path.Join(config.Global.Serve.StdinServer.SockDir, identity)
log.Printf("proxying client identity '%s' to zrepl daemon '%s'", identity, unixaddr)
ctx := netssh.ContextWithLog(context.TODO(), log)
err := netssh.Proxy(ctx, unixaddr)
if err == nil {
log.Print("proxying finished successfully, exiting with status 0")
os.Exit(0)
}
log.Printf("error proxying: %s", err)
return nil
}