Files
tailscale-custom/cmd/tailscale/cli/down.go
T
Brad Fitzpatrick 5df7ac70d6 cmd/tailscale/cli: add Stdout, Stderr and output through them
So js/wasm can override where those go, without implementing
an *os.File pipe pair, etc.

Updates #3157

Change-Id: I14ba954d9f2349ff15b58796d95ecb1367e8ba3a
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-27 14:53:46 -07:00

46 lines
954 B
Go

// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cli
import (
"context"
"fmt"
"log"
"github.com/peterbourgon/ff/v3/ffcli"
"tailscale.com/client/tailscale"
"tailscale.com/ipn"
)
var downCmd = &ffcli.Command{
Name: "down",
ShortUsage: "down",
ShortHelp: "Disconnect from Tailscale",
Exec: runDown,
}
func runDown(ctx context.Context, args []string) error {
if len(args) > 0 {
log.Fatalf("too many non-flag arguments: %q", args)
}
st, err := tailscale.Status(ctx)
if err != nil {
return fmt.Errorf("error fetching current status: %w", err)
}
if st.BackendState == "Stopped" {
fmt.Fprintf(Stderr, "Tailscale was already stopped.\n")
return nil
}
_, err = tailscale.EditPrefs(ctx, &ipn.MaskedPrefs{
Prefs: ipn.Prefs{
WantRunning: false,
},
WantRunningSet: true,
})
return err
}