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cmd/tailscale,tka: make KeyID return an error instead of panicking

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Signed-off-by: Tom DNetto <tom@tailscale.com>
This commit is contained in:
Tom DNetto
2023-01-03 09:39:55 -08:00
committed by Tom
parent 8724aa254f
commit 907f85cd67
14 changed files with 125 additions and 59 deletions
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7
tka/builder.go
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@@ -60,7 +60,12 @@ func (b *UpdateBuilder) mkUpdate(update AUM) error {
// AddKey adds a new key to the authority.
func (b *UpdateBuilder) AddKey(key Key) error {
if _, err := b.state.GetKey(key.ID()); err == nil {
keyID, err := key.ID()
if err != nil {
return err
}
if _, err := b.state.GetKey(keyID); err == nil {
return fmt.Errorf("cannot add key %v: already exists", key)
}
return b.mkUpdate(AUM{MessageKind: AUMAddKey, Key: &key})