117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package mirror
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/sync"
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)
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// mirrorQueue holds an UniqueQueue object of the mirror
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var mirrorQueue = sync.NewUniqueQueue(setting.Repository.MirrorQueueLength)
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// Update checks and updates mirror repositories.
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func Update(ctx context.Context) error {
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if !setting.Mirror.Enabled {
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log.Warn("Mirror feature disabled, but cron job enabled: skip update")
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return nil
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}
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log.Trace("Doing: Update")
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handler := func(idx int, bean interface{}) error {
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var item string
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if m, ok := bean.(*models.Mirror); ok {
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if m.Repo == nil {
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log.Error("Disconnected mirror found: %d", m.ID)
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return nil
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}
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item = fmt.Sprintf("pull %d", m.RepoID)
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} else if m, ok := bean.(*models.PushMirror); ok {
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if m.Repo == nil {
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log.Error("Disconnected push-mirror found: %d", m.ID)
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return nil
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}
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item = fmt.Sprintf("push %d", m.ID)
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} else {
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log.Error("Unknown bean: %v", bean)
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return nil
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}
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select {
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case <-ctx.Done():
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return fmt.Errorf("Aborted")
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default:
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mirrorQueue.Add(item)
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return nil
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}
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}
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if err := models.MirrorsIterate(handler); err != nil {
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log.Error("MirrorsIterate: %v", err)
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return err
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}
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if err := models.PushMirrorsIterate(handler); err != nil {
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log.Error("PushMirrorsIterate: %v", err)
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return err
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}
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log.Trace("Finished: Update")
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return nil
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}
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// syncMirrors checks and syncs mirrors.
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// FIXME: graceful: this should be a persistable queue
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func syncMirrors(ctx context.Context) {
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// Start listening on new sync requests.
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for {
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select {
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case <-ctx.Done():
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mirrorQueue.Close()
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return
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case item := <-mirrorQueue.Queue():
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id, _ := strconv.ParseInt(item[5:], 10, 64)
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if strings.HasPrefix(item, "pull") {
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_ = SyncPullMirror(ctx, id)
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} else if strings.HasPrefix(item, "push") {
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_ = SyncPushMirror(ctx, id)
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} else {
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log.Error("Unknown item in queue: %v", item)
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}
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mirrorQueue.Remove(item)
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}
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}
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}
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// InitSyncMirrors initializes a go routine to sync the mirrors
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func InitSyncMirrors() {
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if !setting.Mirror.Enabled {
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return
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}
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go graceful.GetManager().RunWithShutdownContext(syncMirrors)
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}
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// StartToMirror adds repoID to mirror queue
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func StartToMirror(repoID int64) {
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if !setting.Mirror.Enabled {
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return
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}
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go mirrorQueue.Add(fmt.Sprintf("pull %d", repoID))
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}
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// AddPushMirrorToQueue adds the push mirror to the queue
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func AddPushMirrorToQueue(mirrorID int64) {
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if !setting.Mirror.Enabled {
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return
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}
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go mirrorQueue.Add(fmt.Sprintf("push %d", mirrorID))
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}
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