Fix status table race condition (#1835)
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					 5 changed files with 26 additions and 10 deletions
				
			
		|  | @ -1881,10 +1881,9 @@ func DeleteRepositoryArchives() error { | |||
| 
 | ||||
| // DeleteOldRepositoryArchives deletes old repository archives.
 | ||||
| func DeleteOldRepositoryArchives() { | ||||
| 	if taskStatusTable.IsRunning(archiveCleanup) { | ||||
| 	if !taskStatusTable.StartIfNotRunning(archiveCleanup) { | ||||
| 		return | ||||
| 	} | ||||
| 	taskStatusTable.Start(archiveCleanup) | ||||
| 	defer taskStatusTable.Stop(archiveCleanup) | ||||
| 
 | ||||
| 	log.Trace("Doing: ArchiveCleanup") | ||||
|  | @ -2025,10 +2024,9 @@ const ( | |||
| 
 | ||||
| // GitFsck calls 'git fsck' to check repository health.
 | ||||
| func GitFsck() { | ||||
| 	if taskStatusTable.IsRunning(gitFsck) { | ||||
| 	if !taskStatusTable.StartIfNotRunning(gitFsck) { | ||||
| 		return | ||||
| 	} | ||||
| 	taskStatusTable.Start(gitFsck) | ||||
| 	defer taskStatusTable.Stop(gitFsck) | ||||
| 
 | ||||
| 	log.Trace("Doing: GitFsck") | ||||
|  | @ -2097,10 +2095,9 @@ func repoStatsCheck(checker *repoChecker) { | |||
| 
 | ||||
| // CheckRepoStats checks the repository stats
 | ||||
| func CheckRepoStats() { | ||||
| 	if taskStatusTable.IsRunning(checkRepos) { | ||||
| 	if !taskStatusTable.StartIfNotRunning(checkRepos) { | ||||
| 		return | ||||
| 	} | ||||
| 	taskStatusTable.Start(checkRepos) | ||||
| 	defer taskStatusTable.Stop(checkRepos) | ||||
| 
 | ||||
| 	log.Trace("Doing: CheckRepoStats") | ||||
|  |  | |||
|  | @ -202,10 +202,9 @@ func DeleteMirrorByRepoID(repoID int64) error { | |||
| 
 | ||||
| // MirrorUpdate checks and updates mirror repositories.
 | ||||
| func MirrorUpdate() { | ||||
| 	if taskStatusTable.IsRunning(mirrorUpdate) { | ||||
| 	if !taskStatusTable.StartIfNotRunning(mirrorUpdate) { | ||||
| 		return | ||||
| 	} | ||||
| 	taskStatusTable.Start(mirrorUpdate) | ||||
| 	defer taskStatusTable.Stop(mirrorUpdate) | ||||
| 
 | ||||
| 	log.Trace("Doing: MirrorUpdate") | ||||
|  |  | |||
|  | @ -1334,10 +1334,9 @@ func GetWatchedRepos(userID int64, private bool) ([]*Repository, error) { | |||
| 
 | ||||
| // SyncExternalUsers is used to synchronize users with external authorization source
 | ||||
| func SyncExternalUsers() { | ||||
| 	if taskStatusTable.IsRunning(syncExternalUsers) { | ||||
| 	if !taskStatusTable.StartIfNotRunning(syncExternalUsers) { | ||||
| 		return | ||||
| 	} | ||||
| 	taskStatusTable.Start(syncExternalUsers) | ||||
| 	defer taskStatusTable.Stop(syncExternalUsers) | ||||
| 
 | ||||
| 	log.Trace("Doing: SyncExternalUsers") | ||||
|  |  | |||
|  | @ -24,6 +24,18 @@ func NewStatusTable() *StatusTable { | |||
| 	} | ||||
| } | ||||
| 
 | ||||
| // StartIfNotRunning sets value of given name to true if not already in pool.
 | ||||
| // Returns whether set value was set to true
 | ||||
| func (p *StatusTable) StartIfNotRunning(name string) bool { | ||||
| 	p.lock.Lock() | ||||
| 	_, ok := p.pool[name] | ||||
| 	if !ok { | ||||
| 		p.pool[name] = struct{}{} | ||||
| 	} | ||||
| 	p.lock.Unlock() | ||||
| 	return !ok | ||||
| } | ||||
| 
 | ||||
| // Start sets value of given name to true in the pool.
 | ||||
| func (p *StatusTable) Start(name string) { | ||||
| 	p.lock.Lock() | ||||
|  |  | |||
|  | @ -18,6 +18,15 @@ func Test_StatusTable(t *testing.T) { | |||
| 	table.Start("xyz") | ||||
| 	assert.True(t, table.IsRunning("xyz")) | ||||
| 
 | ||||
| 	assert.False(t, table.StartIfNotRunning("xyz")) | ||||
| 	assert.True(t, table.IsRunning("xyz")) | ||||
| 
 | ||||
| 	table.Stop("xyz") | ||||
| 	assert.False(t, table.IsRunning("xyz")) | ||||
| 
 | ||||
| 	assert.True(t, table.StartIfNotRunning("xyz")) | ||||
| 	assert.True(t, table.IsRunning("xyz")) | ||||
| 
 | ||||
| 	table.Stop("xyz") | ||||
| 	assert.False(t, table.IsRunning("xyz")) | ||||
| } | ||||
|  |  | |||
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