mirror of https://github.com/tailscale/tailscale/
cmd/tailscale/cli: diagnose missing tailscaled on 'up'
Fixes #2029 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>pull/2416/head
Brad Fitzpatrick
3 years ago
committed by
Brad Fitzpatrick
parent
ede8ec1e20
commit
1cedd944cf
@ -0,0 +1,55 @@
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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build linux windows darwin
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package cli
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import (
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"fmt"
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"path/filepath"
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"runtime"
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"strings"
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ps "github.com/mitchellh/go-ps"
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)
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// fixTailscaledConnectError is called when the local tailscaled has
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// been determined unreachable due to the provided origErr value. It
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// returns either the same error or a better one to help the user
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// understand why tailscaled isn't running for their platform.
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func fixTailscaledConnectError(origErr error) error {
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procs, err := ps.Processes()
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if err != nil {
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return fmt.Errorf("failed to connect to local Tailscaled process and failed to enumerate processes while looking for it")
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}
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found := false
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for _, proc := range procs {
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base := filepath.Base(proc.Executable())
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if base == "tailscaled" {
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found = true
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break
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}
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if runtime.GOOS == "darwin" && base == "IPNExtension" {
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found = true
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break
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}
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if runtime.GOOS == "windows" && strings.EqualFold(base, "tailscaled.exe") {
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found = true
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break
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}
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}
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if !found {
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switch runtime.GOOS {
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case "windows":
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return fmt.Errorf("failed to connect to local tailscaled process; is the Tailscale service running?")
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case "darwin":
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return fmt.Errorf("failed to connect to local Tailscale service; is Tailscale running?")
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case "linux":
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return fmt.Errorf("failed to connect to local tailscaled; it doesn't appear to be running (sudo systemctl start tailscaled ?)")
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}
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return fmt.Errorf("failed to connect to local tailscaled process; it doesn't appear to be running")
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}
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return fmt.Errorf("failed to connect to local tailscaled (which appears to be running). Got error: %w", origErr)
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}
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@ -0,0 +1,16 @@
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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !linux,!windows,!darwin
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package cli
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import "fmt"
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// The github.com/mitchellh/go-ps package doesn't work on all platforms,
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// so just don't diagnose connect failures.
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func fixTailscaledConnectError(origErr error) error {
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return fmt.Errorf("failed to connect to local tailscaled process (is it running?); got: %w", origErr)
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}
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