kversions: skip many more broker-to-broker keys

These keys are by Kafka, for Kafka and there are enough differentiating
factors in other keys such that skipping these is fine.

Closes #683.

pkg/kversion/kversion.go

@@ -201,14 +201,6 @@ type guessOpt struct{ fn func(*guessCfg) }
 func (opt guessOpt) apply(cfg *guessCfg) { opt.fn(cfg) }
 
 // SkipKeys skips the given keys while guessing versions.
-//
-// The current default is to skip keys that are only used by brokers:
-//
-//	 4: LeaderAndISR
-//	 5: StopReplica
-//	 6: UpdateMetadata
-//	 7: ControlledShutdown
-//	27: WriteTxnMarkers
 func SkipKeys(keys ...int16) VersionGuessOpt {
 	return guessOpt{func(cfg *guessCfg) { cfg.skipKeys = keys }}
 }
@@ -337,7 +329,7 @@ func (vs *Versions) versionGuess(opts ...VersionGuessOpt) guess {
 		//
 		// TODO: add introduced-version to differentiate some specific
 		// keys.
-		skipKeys: []int16{4, 5, 6, 7, 27, 58},
+		skipKeys: []int16{4, 5, 6, 7, 27, 52, 53, 54, 55, 56, 57, 58, 59, 62, 63, 64, 67},
 	}
 	for _, opt := range opts {
 		opt.apply(&cfg)

pkg/kversion/kversion_test.go

@@ -221,3 +221,42 @@ func TestFromString(t *testing.T) {
 		}
 	}
 }
+
+func TestGuessVersions(t *testing.T) {
+	for _, test := range []struct {
+		vs  *Versions
+		exp string
+	}{
+		{V0_8_0(), "v0.8.0"},
+		{V0_8_1(), "v0.8.1"},
+		{V0_8_2(), "v0.8.2"},
+		{V0_9_0(), "v0.9.0"},
+		{V0_10_0(), "v0.10.0"},
+		{V0_10_1(), "v0.10.1"},
+		{V0_10_2(), "v0.10.2"},
+		{V0_11_0(), "v0.11.0"},
+		{V1_0_0(), "v1.0"},
+		{V1_1_0(), "v1.1"},
+		{V2_0_0(), "v2.0"},
+		{V2_1_0(), "v2.1"},
+		{V2_2_0(), "v2.2"},
+		{V2_3_0(), "v2.3"},
+		{V2_4_0(), "v2.4"},
+		{V2_5_0(), "v2.5"},
+		{V2_6_0(), "v2.6"},
+		{V2_7_0(), "v2.7"},
+		{V2_8_0(), "v2.8"},
+		{V3_0_0(), "v3.0"},
+		{V3_1_0(), "v3.1"},
+		{V3_2_0(), "v3.2"},
+		{V3_3_0(), "v3.3"},
+		{V3_4_0(), "v3.4"},
+		{V3_5_0(), "v3.5"},
+		{V3_6_0(), "v3.6"},
+	} {
+		got := test.vs.VersionGuess()
+		if got != test.exp {
+			t.Errorf("got %s != exp %s", got, test.exp)
+		}
+	}
+}