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Ensure memcache TTL cannot be over 30 days (#14592) 

Memcached TTL cannot be > 30 days and if it is attempted the TTL is interpreted as
a unix timestamp.

This PR ensures that the TTL is switched to a unix timestamp in those cases.

Fix #14571

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-02-09 22:29:03 +00:00 committed by GitHub
parent 3a4801d195
commit 30f7ddb833
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 29 additions and 10 deletions
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6
modules/cache/cache.go vendored
View File

@ -58,7 +58,7 @@ func GetString(key string, getFunc func() (string, error)) (string, error) {
if value, err = getFunc(); err != nil {
return value, err
}
err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
err = conn.Put(key, value, setting.CacheService.TTLSeconds())
if err != nil {
return "", err
}
@ -86,7 +86,7 @@ func GetInt(key string, getFunc func() (int, error)) (int, error) {
if value, err = getFunc(); err != nil {
return value, err
}
err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
err = conn.Put(key, value, setting.CacheService.TTLSeconds())
if err != nil {
return 0, err
}
@ -118,7 +118,7 @@ func GetInt64(key string, getFunc func() (int64, error)) (int64, error) {
if value, err = getFunc(); err != nil {
return value, err
}
err = conn.Put(key, value, int64(setting.CacheService.TTL.Seconds()))
err = conn.Put(key, value, setting.CacheService.TTLSeconds())
if err != nil {
return 0, err
}

2
modules/git/last_commit_cache.go
View File

@ -25,5 +25,5 @@ func (c *LastCommitCache) getCacheKey(repoPath, ref, entryPath string) string {
// Put put the last commit id with commit and entry path
func (c *LastCommitCache) Put(ref, entryPath, commitID string) error {
log("LastCommitCache save: [%s:%s:%s]", ref, entryPath, commitID)
return c.cache.Put(c.getCacheKey(c.repoPath, ref, entryPath), commitID, c.ttl)
return c.cache.Put(c.getCacheKey(c.repoPath, ref, entryPath), commitID, c.ttl())
}

4
modules/git/last_commit_cache_gogit.go
View File

@ -16,14 +16,14 @@ import (
// LastCommitCache represents a cache to store last commit
type LastCommitCache struct {
repoPath string
ttl int64
ttl func() int64
repo *Repository
commitCache map[string]*object.Commit
cache Cache
}
// NewLastCommitCache creates a new last commit cache for repo
func NewLastCommitCache(repoPath string, gitRepo *Repository, ttl int64, cache Cache) *LastCommitCache {
func NewLastCommitCache(repoPath string, gitRepo *Repository, ttl func() int64, cache Cache) *LastCommitCache {
if cache == nil {
return nil
}

4
modules/git/last_commit_cache_nogogit.go
View File

@ -13,14 +13,14 @@ import (
// LastCommitCache represents a cache to store last commit
type LastCommitCache struct {
repoPath string
ttl int64
ttl func() int64
repo *Repository
commitCache map[string]*Commit
cache Cache
}
// NewLastCommitCache creates a new last commit cache for repo
func NewLastCommitCache(repoPath string, gitRepo *Repository, ttl int64, cache Cache) *LastCommitCache {
func NewLastCommitCache(repoPath string, gitRepo *Repository, ttl func() int64, cache Cache) *LastCommitCache {
if cache == nil {
return nil
}

2
modules/repository/cache.go
View File

@ -41,7 +41,7 @@ func CacheRef(repo *models.Repository, gitRepo *git.Repository, fullRefName stri
return nil
}
commitCache := git.NewLastCommitCache(repo.FullName(), gitRepo, int64(setting.CacheService.LastCommit.TTL.Seconds()), cache.GetCache())
commitCache := git.NewLastCommitCache(repo.FullName(), gitRepo, setting.LastCommitCacheTTLSeconds, cache.GetCache())
return commitCache.CacheCommit(commit)
}

19
modules/setting/cache.go
View File

@ -49,6 +49,9 @@ var (
}
)
// MemcacheMaxTTL represents the maximum memcache TTL
const MemcacheMaxTTL = 30 * 24 * time.Hour
func newCacheService() {
sec := Cfg.Section("cache")
if err := sec.MapTo(&CacheService); err != nil {
@ -85,3 +88,19 @@ func newCacheService() {
log.Info("Last Commit Cache Service Enabled")
}
}
// TTLSeconds returns the TTLSeconds or unix timestamp for memcache
func (c Cache) TTLSeconds() int64 {
if c.Adapter == "memcache" && c.TTL > MemcacheMaxTTL {
return time.Now().Add(c.TTL).Unix()
}
return int64(c.TTL.Seconds())
}
// LastCommitCacheTTLSeconds returns the TTLSeconds or unix timestamp for memcache
func LastCommitCacheTTLSeconds() int64 {
if CacheService.Adapter == "memcache" && CacheService.LastCommit.TTL > MemcacheMaxTTL {
return time.Now().Add(CacheService.LastCommit.TTL).Unix()
}
return int64(CacheService.LastCommit.TTL.Seconds())
}

2
routers/repo/view.go
View File

@ -140,7 +140,7 @@ func renderDirectory(ctx *context.Context, treeLink string) {
var c *git.LastCommitCache
if setting.CacheService.LastCommit.Enabled && ctx.Repo.CommitsCount >= setting.CacheService.LastCommit.CommitsCount {
c = git.NewLastCommitCache(ctx.Repo.Repository.FullName(), ctx.Repo.GitRepo, int64(setting.CacheService.LastCommit.TTL.Seconds()), cache.GetCache())
c = git.NewLastCommitCache(ctx.Repo.Repository.FullName(), ctx.Repo.GitRepo, setting.LastCommitCacheTTLSeconds, cache.GetCache())
}
var latestCommit *git.Commit