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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| 
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| package mirror
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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