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This commit is contained in:
王怀宗 2019-03-29 16:09:05 +08:00
parent 043d3603ff
commit 4ec3a5777a
1 changed files with 22 additions and 27 deletions
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49
pkg/cephfs/mountcache.go
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@ -13,7 +13,6 @@ import (
)
type volumeMountCacheEntry struct {
DriverName string `json:"driverName"`
DriverVersion string `json:"driverVersion"`
VolumeID string `json:"volumeID"`
@ -24,7 +23,6 @@ type volumeMountCacheEntry struct {
}
type volumeMountCacheMap struct {
driverName string
volumes map[string]volumeMountCacheEntry
nodeCacheStore util.NodeCache
metadataStore util.CachePersister
@ -39,7 +37,6 @@ var (
func initVolumeMountCache(driverName string, mountCacheDir string, cachePersister util.CachePersister) {
volumeMountCache.volumes = make(map[string]volumeMountCacheEntry)
volumeMountCache.driverName = driverName
volumeMountCache.metadataStore = cachePersister
volumeMountCache.nodeCacheStore.BasePath = mountCacheDir
volumeMountCache.nodeCacheStore.CacheDir = ""
@ -58,19 +55,19 @@ func remountCachedVolumes() error {
volID := me.VolumeID
if err := volumeMountCache.metadataStore.Get(volID, ce); err != nil {
if err, ok := err.(*util.CacheEntryNotFound); ok {
klog.Infof("mount-cache: metadata for volume %s not found, assuming the volume to be already deleted (%v)", volID, err)
klog.Infof("mount-cache: metadata not found, assuming the volume %s to be already deleted (%v)", volID, err)
if err := volumeMountCache.nodeCacheStore.Delete(genVolumeMountCacheFileName(volID)); err == nil {
klog.Infof("mount-cache: metadata nofound, delete volume cache entry for volume %s", volID)
klog.Infof("mount-cache: metadata not found, delete volume cache entry for volume %s", volID)
}
}
} else {
if err := mountOneCacheEntry(ce, me); err == nil {
remountSuccCount++
volumeMountCache.volumes[me.VolumeID] = *me
klog.Infof("mount-cache: remount volume %s succ", volID)
klog.Infof("mount-cache: remount volume %s success", volID)
} else {
remountFailCount++
klog.Infof("mount-cache: remount volume cache %s fail", volID)
klog.Errorf("mount-cache: remount volume cache %s fail", volID)
}
}
return nil
@ -80,7 +77,7 @@ func remountCachedVolumes() error {
return err
}
if remountFailCount > 0 {
klog.Infof("mount-cache: succ remount %d volumes, fail remount %d volumes", remountSuccCount, remountFailCount)
klog.Infof("mount-cache: success remount %d volumes, fail remount %d volumes", remountSuccCount, remountFailCount)
} else {
klog.Infof("mount-cache: volume cache num %d, all succ remount", remountSuccCount)
}
@ -146,7 +143,7 @@ func mountOneCacheEntry(ce *controllerCacheEntry, me *volumeMountCacheEntry) err
klog.Errorf("mount-cache: failed to bind-mount volume %s: %s %s %v %v",
volID, me.StagingPath, targetPath, readOnly, err)
} else {
klog.Infof("mount-cache: succ bind-mount volume %s: %s %s %v",
klog.Infof("mount-cache: successfully bind-mount volume %s: %s %s %v",
volID, me.StagingPath, targetPath, readOnly)
}
}
@ -173,9 +170,6 @@ func cleanupMountPoint(mountPoint string) error {
}
func isCorruptedMnt(err error) bool {
if err == nil {
return false
}
var underlyingError error
switch pe := err.(type) {
case nil:
@ -186,9 +180,19 @@ func isCorruptedMnt(err error) bool {
underlyingError = pe.Err
case *os.SyscallError:
underlyingError = pe.Err
default:
return false
}
return underlyingError == syscall.ENOTCONN || underlyingError == syscall.ESTALE || underlyingError == syscall.EIO || underlyingError == syscall.EACCES
CorruptedErrors := []error{
syscall.ENOTCONN, syscall.ESTALE, syscall.EIO, syscall.EACCES}
for _, v := range CorruptedErrors {
if underlyingError == v {
return true
}
}
return false
}
func genVolumeMountCacheFileName(volID string) string {
@ -218,7 +222,7 @@ func (mc *volumeMountCacheMap) nodeStageVolume(volID string, stagingTargetPath s
klog.Warningf("mount-cache: node stage volume ignore last cache entry for volume %s", volID)
}
me = volumeMountCacheEntry{DriverName: mc.driverName, DriverVersion: version}
me = volumeMountCacheEntry{DriverVersion: version}
me.VolumeID = volID
me.Secrets = encodeCredentials(secrets)
@ -227,10 +231,7 @@ func (mc *volumeMountCacheMap) nodeStageVolume(volID string, stagingTargetPath s
me.CreateTime = time.Now()
volumeMountCache.volumes[volID] = me
if err := mc.nodeCacheStore.Create(genVolumeMountCacheFileName(volID), me); err != nil {
return err
}
return nil
return mc.nodeCacheStore.Create(genVolumeMountCacheFileName(volID), me)
}
func (mc *volumeMountCacheMap) nodeUnStageVolume(volID string) error {
@ -240,10 +241,7 @@ func (mc *volumeMountCacheMap) nodeUnStageVolume(volID string) error {
volumeMountCacheMtx.Lock()
defer volumeMountCacheMtx.Unlock()
delete(volumeMountCache.volumes, volID)
if err := mc.nodeCacheStore.Delete(genVolumeMountCacheFileName(volID)); err != nil {
return err
}
return nil
return mc.nodeCacheStore.Delete(genVolumeMountCacheFileName(volID))
}
func (mc *volumeMountCacheMap) nodePublishVolume(volID string, targetPath string, readOnly bool) error {
@ -279,12 +277,9 @@ func (mc *volumeMountCacheMap) nodeUnPublishVolume(volID string, targetPath stri
func (mc *volumeMountCacheMap) updateNodeCache(volID string) error {
me := volumeMountCache.volumes[volID]
if err := volumeMountCache.nodeCacheStore.Delete(genVolumeMountCacheFileName(volID)); err == nil {
klog.Infof("mount-cache: metadata nofound, delete mount cache failed for volume %s", volID)
klog.Infof("mount-cache: metadata notfound, delete mount cache failed for volume %s", volID)
}
if err := mc.nodeCacheStore.Create(genVolumeMountCacheFileName(volID), me); err != nil {
return err
}
return nil
return mc.nodeCacheStore.Create(genVolumeMountCacheFileName(volID), me)
}
func encodeCredentials(input map[string]string) (output map[string]string) {