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Remove cache entries for non-existing snapshots
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parent
5257c54585
commit
3e246170de
1 changed files with 25 additions and 1 deletions
26
cache.go
26
cache.go
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@ -208,10 +208,17 @@ func (c *Cache) filename(t backend.Type, subtype string, id backend.ID) (string,
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// high-level functions
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// RefreshSnapshots loads the maps for all snapshots and saves them to the local cache.
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// RefreshSnapshots loads the maps for all snapshots and saves them to the
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// local cache. Old cache entries are purged.
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func (c *Cache) RefreshSnapshots(s Server, p *Progress) error {
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defer p.Done()
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// list cache entries
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entries, err := c.List(backend.Snapshot)
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if err != nil {
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return err
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}
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// list snapshots first
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snapshots, err := s.List(backend.Snapshot)
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if err != nil {
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@ -220,6 +227,14 @@ func (c *Cache) RefreshSnapshots(s Server, p *Progress) error {
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// check that snapshot blobs are cached
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for _, id := range snapshots {
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// remove snapshot from list of entries
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for i, e := range entries {
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if e.ID.Equal(id) {
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entries = append(entries[:i], entries[i+1:]...)
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break
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}
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}
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has, err := c.Has(backend.Snapshot, "blobs", id)
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if err != nil {
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return err
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@ -240,6 +255,15 @@ func (c *Cache) RefreshSnapshots(s Server, p *Progress) error {
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}
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}
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// remove other entries
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for _, e := range entries {
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debug.Log("Cache.RefreshSnapshots", "remove entry %v", e)
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err = c.Purge(backend.Snapshot, e.Subtype, e.ID)
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if err != nil {
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return err
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}
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}
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return nil
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}
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