cmd/tailscale: fix up --reset, again

Also fix a somewhat related printing bug in the process where
some paths would print "Success." inconsistently even
when there otherwise was no output (in the EditPrefs path)

Fixes #3830
Updates #3702 (which broke it once while trying to fix it)

Change-Id: Ic51e14526ad75be61ba00084670aa6a98221daa5
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
pull/3832/head
Brad Fitzpatrick 3 years ago committed by Brad Fitzpatrick
parent 70d71ba1e7
commit 02bdc654d5

@ -793,8 +793,25 @@ func TestUpdatePrefs(t *testing.T) {
ControlURL: ipn.DefaultControlURL,
Persist: &persist.Persist{LoginName: "crawshaw.github"},
},
env: upCheckEnv{backendState: "Running"},
wantJustEditMP: &ipn.MaskedPrefs{WantRunningSet: true},
env: upCheckEnv{backendState: "Running"},
wantJustEditMP: &ipn.MaskedPrefs{
AdvertiseRoutesSet: true,
AdvertiseTagsSet: true,
AllowSingleHostsSet: true,
ControlURLSet: true,
CorpDNSSet: true,
ExitNodeAllowLANAccessSet: true,
ExitNodeIDSet: true,
ExitNodeIPSet: true,
HostnameSet: true,
NetfilterModeSet: true,
NoSNATSet: true,
OperatorUserSet: true,
RouteAllSet: true,
RunSSHSet: true,
ShieldsUpSet: true,
WantRunningSet: true,
},
},
{
name: "control_synonym",
@ -860,16 +877,23 @@ func TestUpdatePrefs(t *testing.T) {
if simpleUp != tt.wantSimpleUp {
t.Fatalf("simpleUp=%v, want %v", simpleUp, tt.wantSimpleUp)
}
var oldEditPrefs ipn.Prefs
if justEditMP != nil {
oldEditPrefs = justEditMP.Prefs
justEditMP.Prefs = ipn.Prefs{} // uninteresting
}
if !reflect.DeepEqual(justEditMP, tt.wantJustEditMP) {
t.Fatalf("justEditMP: %v", cmp.Diff(justEditMP, tt.wantJustEditMP))
t.Logf("justEditMP != wantJustEditMP; following diff omits the Prefs field, which was %+v", oldEditPrefs)
t.Fatalf("justEditMP: %v\n\n: ", cmp.Diff(justEditMP, tt.wantJustEditMP, cmpIP))
}
})
}
}
var cmpIP = cmp.Comparer(func(a, b netaddr.IP) bool {
return a == b
})
func TestExitNodeIPOfArg(t *testing.T) {
mustIP := netaddr.MustParseIP
tests := []struct {

@ -387,7 +387,8 @@ func prefsFromUpArgs(upArgs upArgsT, warnf logger.Logf, st *ipnstate.Status, goo
return prefs, nil
}
// updatePrefs updates prefs based on curPrefs
// updatePrefs returns how to edit preferences based on the
// flag-provided 'prefs' and the currently active 'curPrefs'.
//
// It returns a non-nil justEditMP if we're already running and none of
// the flags require a restart, so we can just do an EditPrefs call and
@ -424,11 +425,16 @@ func updatePrefs(prefs, curPrefs *ipn.Prefs, env upCheckEnv) (simpleUp bool, jus
env.upArgs.authKeyOrFile == "" &&
!controlURLChanged &&
!tagsChanged
if justEdit {
justEditMP = new(ipn.MaskedPrefs)
justEditMP.WantRunningSet = true
justEditMP.Prefs = *prefs
env.flagSet.Visit(func(f *flag.Flag) {
visitFlags := env.flagSet.Visit
if env.upArgs.reset {
visitFlags = env.flagSet.VisitAll
}
visitFlags(func(f *flag.Flag) {
updateMaskedPrefsFromUpFlag(justEditMP, f.Name)
})
}
@ -520,7 +526,7 @@ func runUp(ctx context.Context, args []string) error {
pumpErr := make(chan error, 1)
go func() { pumpErr <- pump(pumpCtx, bc, c) }()
printed := !simpleUp
var printed bool // whether we've yet printed anything to stdout or stderr
var loginOnce sync.Once
startLoginInteractive := func() { loginOnce.Do(func() { bc.StartLoginInteractive() }) }
@ -546,7 +552,6 @@ func runUp(ctx context.Context, args []string) error {
if s := n.State; s != nil {
switch *s {
case ipn.NeedsLogin:
printed = true
startLoginInteractive()
case ipn.NeedsMachineAuth:
printed = true

@ -376,6 +376,7 @@ func (h *Harness) testDistro(t *testing.T, d Distro, ipm ipMapping) {
t.Run("login", func(t *testing.T) {
runTestCommands(t, timeout, cli, []expect.Batcher{
&expect.BSnd{S: fmt.Sprintf("tailscale up --login-server=%s\n", loginServer)},
&expect.BSnd{S: "echo Success.\n"},
&expect.BExp{R: `Success.`},
})
})

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