mirror of
https://github.com/zrepl/zrepl.git
synced 2024-11-23 00:43:51 +01:00
ccd062e238
Cleaner abstractions + underlying go-rwccmd package does proper handling of asynchronous exits, etc.
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package cmd
|
|
|
|
import (
|
|
"os"
|
|
|
|
"context"
|
|
"github.com/problame/go-netssh"
|
|
"github.com/spf13/cobra"
|
|
"log"
|
|
"path"
|
|
)
|
|
|
|
var StdinserverCmd = &cobra.Command{
|
|
Use: "stdinserver CLIENT_IDENTITY",
|
|
Short: "start in stdinserver mode (from authorized_keys file)",
|
|
Run: cmdStdinServer,
|
|
}
|
|
|
|
func init() {
|
|
RootCmd.AddCommand(StdinserverCmd)
|
|
}
|
|
|
|
func cmdStdinServer(cmd *cobra.Command, args []string) {
|
|
|
|
// 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)
|
|
|
|
conf, err := ParseConfig(rootArgs.configFile)
|
|
if err != nil {
|
|
log.Printf("error parsing config: %s", err)
|
|
return
|
|
}
|
|
|
|
if len(args) != 1 || args[0] == "" {
|
|
log.Print("must specify client_identity as positional argument")
|
|
return
|
|
}
|
|
|
|
identity := args[0]
|
|
unixaddr := path.Join(conf.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)
|
|
|
|
}
|