100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
//go:build windows && (amd64 || arm64)
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package machine
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import (
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"fmt"
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"strconv"
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"strings"
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"time"
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"github.com/containers/common/pkg/completion"
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"github.com/containers/podman/v5/cmd/podman/registry"
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"github.com/containers/podman/v5/pkg/fileserver"
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psutil "github.com/shirou/gopsutil/v4/process"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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var (
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server9pCommand = &cobra.Command{
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Args: cobra.ExactArgs(1),
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Use: "server9p [options] PID",
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Hidden: true,
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Short: "Serve a directory using 9p over hvsock",
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Long: "Start a number of 9p servers on given hvsock UUIDs, and run until the given PID exits",
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RunE: remoteDirServer,
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ValidArgsFunction: completion.AutocompleteNone,
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Example: `podman system server9p --serve C:\Users\myuser:00000050-FACB-11E6-BD58-64006A7986D3 /mnt`,
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}
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)
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Command: server9pCommand,
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Parent: machineCmd,
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})
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flags := server9pCommand.Flags()
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serveFlagName := "serve"
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flags.StringArrayVar(&serveDirs, serveFlagName, []string{}, "directories to serve and UUID of vsock to serve on, colon-separated")
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_ = server9pCommand.RegisterFlagCompletionFunc(serveFlagName, completion.AutocompleteNone)
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}
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var (
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serveDirs []string
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)
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func remoteDirServer(cmd *cobra.Command, args []string) error {
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pid, err := strconv.Atoi(args[0])
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if err != nil {
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return fmt.Errorf("parsing PID: %w", err)
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}
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if pid < 0 {
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return fmt.Errorf("PIDs cannot be negative")
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}
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if len(serveDirs) == 0 {
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return fmt.Errorf("must provide at least one directory to serve")
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}
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// TODO: need to support options here
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shares := make(map[string]string, len(serveDirs))
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for _, share := range serveDirs {
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splitShare := strings.Split(share, ":")
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if len(splitShare) < 2 {
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return fmt.Errorf("paths passed to --share must include an hvsock GUID")
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}
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// Every element but the last one is the real filepath to share
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path := strings.Join(splitShare[:len(splitShare)-1], ":")
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shares[path] = splitShare[len(splitShare)-1]
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}
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if err := fileserver.StartShares(shares); err != nil {
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return err
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}
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p, err := psutil.NewProcess(int32(pid))
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if err != nil {
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return fmt.Errorf("opening gvproxy PID: %w", err)
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}
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for {
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running, err := p.IsRunning()
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if err != nil {
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return fmt.Errorf("checking is gvproxy is dead: %w", err)
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}
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if !running {
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break
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}
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time.Sleep(1 * time.Second)
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}
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logrus.Infof("Exiting cleanly as PID %d has died", pid)
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return nil
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}
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