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| 1 | package hostguard |
| 2 | |
| 3 | import "context" |
| 4 | |
| 5 | func (a *RootAuthority) HostRetired(ctx context.Context, host string) (bool, error) { |
| 6 | if err := ctx.Err(); err != nil { |
| 7 | return false, err |
| 8 | } |
| 9 | if a == nil || a.store == nil || validateFileHost(host) != nil { |
| 10 | return false, ErrInvalidInput |
| 11 | } |
| 12 | unlock, err := a.store.Lock(ctx, host+".lock") |
| 13 | if err != nil { |
| 14 | return false, err |
| 15 | } |
| 16 | defer unlock() |
| 17 | r, err := a.read(host) |
| 18 | if err != nil { |
| 19 | return false, err |
| 20 | } |
| 21 | if r.quarantined || r.pendingInstallation != nil || r.barrier != nil { |
| 22 | return false, ErrFenced |
| 23 | } |
| 24 | if r.ActiveStamp != 0 { |
| 25 | return false, nil |
| 26 | } |
| 27 | for _, old := range r.rootRetired { |
| 28 | if old.Incarnation == r.installation.Incarnation && old.Stamp == r.installation.Stamp && old.Stamp != 0 { |
| 29 | return true, nil |
| 30 | } |
| 31 | } |
| 32 | return false, nil |
| 33 | } |
| 34 | |
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