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ipn/ipnlocal, tka: compact TKA state after every sync

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Previously a TKA compaction would only run when a node starts, which means a long-running node could use unbounded storage as it accumulates ever-increasing amounts of TKA state. This patch changes TKA so it runs a compaction after every sync.

Updates https://github.com/tailscale/corp/issues/33537

Change-Id: I91df887ea0c5a5b00cb6caced85aeffa2a4b24ee
Signed-off-by: Alex Chan <alexc@tailscale.com>
This commit is contained in:
Alex Chan
2025-11-17 16:38:57 +00:00
committed by Alex Chan
parent 38ccdbe35c
commit e1dd9222d4
10 changed files with 276 additions and 31 deletions
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14
tka/builder_test.go
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@@ -28,7 +28,7 @@ func TestAuthorityBuilderAddKey(t *testing.T) {
pub, priv := testingKey25519(t, 1)
key := Key{Kind: Key25519, Public: pub, Votes: 2}
storage := &Mem{}
storage := ChonkMem()
a, _, err := Create(storage, State{
Keys: []Key{key},
DisablementSecrets: [][]byte{DisablementKDF([]byte{1, 2, 3})},
@@ -62,7 +62,7 @@ func TestAuthorityBuilderMaxKey(t *testing.T) {
pub, priv := testingKey25519(t, 1)
key := Key{Kind: Key25519, Public: pub, Votes: 2}
storage := &Mem{}
storage := ChonkMem()
a, _, err := Create(storage, State{
Keys: []Key{key},
DisablementSecrets: [][]byte{DisablementKDF([]byte{1, 2, 3})},
@@ -109,7 +109,7 @@ func TestAuthorityBuilderRemoveKey(t *testing.T) {
pub2, _ := testingKey25519(t, 2)
key2 := Key{Kind: Key25519, Public: pub2, Votes: 1}
storage := &Mem{}
storage := ChonkMem()
a, _, err := Create(storage, State{
Keys: []Key{key, key2},
DisablementSecrets: [][]byte{DisablementKDF([]byte{1, 2, 3})},
@@ -155,7 +155,7 @@ func TestAuthorityBuilderSetKeyVote(t *testing.T) {
pub, priv := testingKey25519(t, 1)
key := Key{Kind: Key25519, Public: pub, Votes: 2}
storage := &Mem{}
storage := ChonkMem()
a, _, err := Create(storage, State{
Keys: []Key{key},
DisablementSecrets: [][]byte{DisablementKDF([]byte{1, 2, 3})},
@@ -191,7 +191,7 @@ func TestAuthorityBuilderSetKeyMeta(t *testing.T) {
pub, priv := testingKey25519(t, 1)
key := Key{Kind: Key25519, Public: pub, Votes: 2, Meta: map[string]string{"a": "b"}}
storage := &Mem{}
storage := ChonkMem()
a, _, err := Create(storage, State{
Keys: []Key{key},
DisablementSecrets: [][]byte{DisablementKDF([]byte{1, 2, 3})},
@@ -227,7 +227,7 @@ func TestAuthorityBuilderMultiple(t *testing.T) {
pub, priv := testingKey25519(t, 1)
key := Key{Kind: Key25519, Public: pub, Votes: 2}
storage := &Mem{}
storage := ChonkMem()
a, _, err := Create(storage, State{
Keys: []Key{key},
DisablementSecrets: [][]byte{DisablementKDF([]byte{1, 2, 3})},
@@ -275,7 +275,7 @@ func TestAuthorityBuilderCheckpointsAfterXUpdates(t *testing.T) {
pub, priv := testingKey25519(t, 1)
key := Key{Kind: Key25519, Public: pub, Votes: 2}
storage := &Mem{}
storage := ChonkMem()
a, _, err := Create(storage, State{
Keys: []Key{key},
DisablementSecrets: [][]byte{DisablementKDF([]byte{1, 2, 3})},