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//go:build windows && (amd64 || arm64)
package machine
import (
"fmt"
"strconv"
"strings"
"time"
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v5/cmd/podman/registry"
"github.com/containers/podman/v5/pkg/fileserver"
psutil "github.com/shirou/gopsutil/process"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
var (
server9pCommand = &cobra.Command{
Args: cobra.ExactArgs(1),
Use: "server9p [options] PID",
Hidden: true,
Short: "Serve a directory using 9p over hvsock",
Long: "Start a number of 9p servers on given hvsock UUIDs, and run until the given PID exits",
RunE: remoteDirServer,
ValidArgsFunction: completion.AutocompleteNone,
Example: `podman system server9p --serve C:\Users\myuser:00000050-FACB-11E6-BD58-64006A7986D3 /mnt`,
}
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: server9pCommand,
Parent: machineCmd,
})
flags := server9pCommand.Flags()
serveFlagName := "serve"
flags.StringArrayVar(&serveDirs, serveFlagName, []string{}, "directories to serve and UUID of vsock to serve on, colon-separated")
_ = server9pCommand.RegisterFlagCompletionFunc(serveFlagName, completion.AutocompleteNone)
}
var (
serveDirs []string
)
func remoteDirServer(cmd *cobra.Command, args []string) error {
pid, err := strconv.Atoi(args[0])
if err != nil {
return fmt.Errorf("parsing PID: %w", err)
}
if pid < 0 {
return fmt.Errorf("PIDs cannot be negative")
}
if len(serveDirs) == 0 {
return fmt.Errorf("must provide at least one directory to serve")
}
// TODO: need to support options here
shares := make(map[string]string, len(serveDirs))
for _, share := range serveDirs {
splitShare := strings.Split(share, ":")
if len(splitShare) < 2 {
return fmt.Errorf("paths passed to --share must include an hvsock GUID")
}
// Every element but the last one is the real filepath to share
path := strings.Join(splitShare[:len(splitShare)-1], ":")
shares[path] = splitShare[len(splitShare)-1]
}
if err := fileserver.StartShares(shares); err != nil {
return err
}
p, err := psutil.NewProcess(int32(pid))
if err != nil {
return fmt.Errorf("opening gvproxy PID: %w", err)
}
for {
running, err := p.IsRunning()
if err != nil {
return fmt.Errorf("checking is gvproxy is dead: %w", err)
}
if !running {
break
}
time.Sleep(1 * time.Second)
}
logrus.Infof("Exiting cleanly as PID %d has died", pid)
return nil
}
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