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Invalidate the blob store descriptor caches when content is removed from from

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the proxy.  Also, switch to reference in the scheduler API.

Signed-off-by: Richard Scothern <richard.scothern@gmail.com>
This commit is contained in:
Richard Scothern 2016-01-26 16:42:10 -08:00
parent a7740f5d0f
commit 3e570e59f1
7 changed files with 152 additions and 62 deletions
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34
docs/proxy/scheduler/scheduler.go
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@ -7,13 +7,12 @@ import (
"time"
"github.com/docker/distribution/context"
"github.com/docker/distribution/digest"
"github.com/docker/distribution/reference"
"github.com/docker/distribution/registry/storage/driver"
)
// onTTLExpiryFunc is called when a repository's TTL expires
type expiryFunc func(string) error
type expiryFunc func(reference.Reference) error
const (
entryTypeBlob = iota
@ -82,19 +81,20 @@ func (ttles *TTLExpirationScheduler) OnManifestExpire(f expiryFunc) {
}
// AddBlob schedules a blob cleanup after ttl expires
func (ttles *TTLExpirationScheduler) AddBlob(dgst digest.Digest, ttl time.Duration) error {
func (ttles *TTLExpirationScheduler) AddBlob(blobRef reference.Canonical, ttl time.Duration) error {
ttles.Lock()
defer ttles.Unlock()
if ttles.stopped {
return fmt.Errorf("scheduler not started")
}
ttles.add(dgst.String(), ttl, entryTypeBlob)
ttles.add(blobRef, ttl, entryTypeBlob)
return nil
}
// AddManifest schedules a manifest cleanup after ttl expires
func (ttles *TTLExpirationScheduler) AddManifest(repoName reference.Named, ttl time.Duration) error {
func (ttles *TTLExpirationScheduler) AddManifest(manifestRef reference.Canonical, ttl time.Duration) error {
ttles.Lock()
defer ttles.Unlock()
@ -102,7 +102,7 @@ func (ttles *TTLExpirationScheduler) AddManifest(repoName reference.Named, ttl t
return fmt.Errorf("scheduler not started")
}
ttles.add(repoName.Name(), ttl, entryTypeManifest)
ttles.add(manifestRef, ttl, entryTypeManifest)
return nil
}
@ -156,17 +156,17 @@ func (ttles *TTLExpirationScheduler) Start() error {
return nil
}
func (ttles *TTLExpirationScheduler) add(key string, ttl time.Duration, eType int) {
func (ttles *TTLExpirationScheduler) add(r reference.Reference, ttl time.Duration, eType int) {
entry := &schedulerEntry{
Key: key,
Key: r.String(),
Expiry: time.Now().Add(ttl),
EntryType: eType,
}
context.GetLogger(ttles.ctx).Infof("Adding new scheduler entry for %s with ttl=%s", entry.Key, entry.Expiry.Sub(time.Now()))
if oldEntry, present := ttles.entries[key]; present && oldEntry.timer != nil {
if oldEntry, present := ttles.entries[entry.Key]; present && oldEntry.timer != nil {
oldEntry.timer.Stop()
}
ttles.entries[key] = entry
ttles.entries[entry.Key] = entry
entry.timer = ttles.startTimer(entry, ttl)
ttles.indexDirty = true
}
@ -184,13 +184,18 @@ func (ttles *TTLExpirationScheduler) startTimer(entry *schedulerEntry, ttl time.
case entryTypeManifest:
f = ttles.onManifestExpire
default:
f = func(repoName string) error {
return fmt.Errorf("Unexpected scheduler entry type")
f = func(reference.Reference) error {
return fmt.Errorf("scheduler entry type")
}
}
if err := f(entry.Key); err != nil {
context.GetLogger(ttles.ctx).Errorf("Scheduler error returned from OnExpire(%s): %s", entry.Key, err)
ref, err := reference.Parse(entry.Key)
if err == nil {
if err := f(ref); err != nil {
context.GetLogger(ttles.ctx).Errorf("Scheduler error returned from OnExpire(%s): %s", entry.Key, err)
}
} else {
context.GetLogger(ttles.ctx).Errorf("Error unpacking reference: %s", err)
}
delete(ttles.entries, entry.Key)
@ -249,6 +254,5 @@ func (ttles *TTLExpirationScheduler) readState() error {
if err != nil {
return err
}
return nil
}