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all: remove some Debug fields, NetworkMap.Debug, Reconfig Debug arg

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Updates #8923

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2023-08-17 17:29:15 -07:00
committed by Brad Fitzpatrick
parent 86ad1ea60e
commit af2e4909b6
12 changed files with 27 additions and 184 deletions
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80
control/controlclient/map_test.go
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@@ -17,7 +17,6 @@ import (
"tailscale.com/tstime"
"tailscale.com/types/key"
"tailscale.com/types/netmap"
"tailscale.com/types/opt"
"tailscale.com/types/ptr"
"tailscale.com/util/must"
)
@@ -470,85 +469,6 @@ func TestNetmapForResponse(t *testing.T) {
})
}
// TestDeltaDebug tests that tailcfg.Debug values can be omitted in MapResponses
// entirely or have their opt.Bool values unspecified between MapResponses in a
// session and that should mean no change. (as of capver 37). But one Debug
// field existed prior to capver 37 that wasn't opt.Bool; we test that we both
// still accept the non-opt.Bool form from control for RandomizeClientPort and
// also accept the new form, keeping the old form in sync.
func TestDeltaDebug(t *testing.T) {
type step struct {
got *tailcfg.Debug
want *tailcfg.Debug
}
tests := []struct {
name string
steps []step
}{
{
name: "nothing-to-nothing",
steps: []step{
{nil, nil},
{nil, nil},
},
},
{
name: "opt-bool-sticky-changing-over-time",
steps: []step{
{nil, nil},
{nil, nil},
{
&tailcfg.Debug{OneCGNATRoute: "true"},
&tailcfg.Debug{OneCGNATRoute: "true"},
},
{
nil,
&tailcfg.Debug{OneCGNATRoute: "true"},
},
{
&tailcfg.Debug{OneCGNATRoute: "false"},
&tailcfg.Debug{OneCGNATRoute: "false"},
},
{
nil,
&tailcfg.Debug{OneCGNATRoute: "false"},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ms := newTestMapSession(t)
for stepi, s := range tt.steps {
nm := ms.netmapForResponse(&tailcfg.MapResponse{Debug: s.got})
if !reflect.DeepEqual(nm.Debug, s.want) {
t.Errorf("unexpected result at step index %v; got: %s", stepi, must.Get(json.Marshal(nm.Debug)))
}
}
})
}
}
// Verifies that copyDebugOptBools doesn't missing any opt.Bools.
func TestCopyDebugOptBools(t *testing.T) {
rt := reflect.TypeOf(tailcfg.Debug{})
for i := 0; i < rt.NumField(); i++ {
sf := rt.Field(i)
if sf.Type != reflect.TypeOf(opt.Bool("")) {
continue
}
var src, dst tailcfg.Debug
reflect.ValueOf(&src).Elem().Field(i).Set(reflect.ValueOf(opt.Bool("true")))
if src == (tailcfg.Debug{}) {
t.Fatalf("failed to set field %v", sf.Name)
}
copyDebugOptBools(&dst, &src)
if src != dst {
t.Fatalf("copyDebugOptBools didn't copy field %v", sf.Name)
}
}
}
func TestDeltaDERPMap(t *testing.T) {
regions1 := map[int]*tailcfg.DERPRegion{
1: {