github/kata-containers
1
0
Fork 1
mirror of https://github.com/kata-containers/kata-containers.git synced 2025-04-28 19:54:35 +00:00
Code Issues Projects Releases Wiki Activity

clh: introduce supportsSharedFS()

Browse Source 
supportsSharedFS() is a new method to be used to ensure that no SharedFS
specifics are called when, for a reason or another, Cloud Hypervisor is
in a mode where SharedFSs are not supported.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2022-03-03 12:18:43 +01:00
parent 54d27ed721
commit f889f1f957
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/runtime/virtcontainers/clh.go
View File

@ -199,6 +199,11 @@ func (clh *cloudHypervisor) setConfig(config *HypervisorConfig) error {
}
func (clh *cloudHypervisor) createVirtiofsDaemon(sharedPath string) (VirtiofsDaemon, error) {
if !clh.supportsSharedFS() {
clh.Logger().Info("SharedFS is not supported")
return nil, nil
}
virtiofsdSocketPath, err := clh.virtioFsSocketPath(clh.id)
if err != nil {
return nil, err
@ -235,6 +240,11 @@ func (clh *cloudHypervisor) createVirtiofsDaemon(sharedPath string) (VirtiofsDae
}
func (clh *cloudHypervisor) setupVirtiofsDaemon(ctx context.Context) error {
if !clh.supportsSharedFS() {
clh.Logger().Info("SharedFS is not supported")
return nil
}
if clh.config.SharedFS == config.Virtio9P {
return errors.New("cloud-hypervisor only supports virtio based file sharing")
}
@ -258,6 +268,11 @@ func (clh *cloudHypervisor) setupVirtiofsDaemon(ctx context.Context) error {
}
func (clh *cloudHypervisor) stopVirtiofsDaemon(ctx context.Context) (err error) {
if !clh.supportsSharedFS() {
clh.Logger().Info("SharedFS is not supported")
return nil
}
if clh.state.VirtiofsDaemonPid == 0 {
clh.Logger().Warn("The virtiofsd had stopped")
return nil
@ -274,6 +289,11 @@ func (clh *cloudHypervisor) stopVirtiofsDaemon(ctx context.Context) (err error)
}
func (clh *cloudHypervisor) loadVirtiofsDaemon(sharedPath string) (VirtiofsDaemon, error) {
if !clh.supportsSharedFS() {
clh.Logger().Info("SharedFS is not supported")
return nil, nil
}
virtiofsdSocketPath, err := clh.virtioFsSocketPath(clh.id)
if err != nil {
return nil, err
@ -291,6 +311,12 @@ func (clh *cloudHypervisor) nydusdAPISocketPath(id string) (string, error) {
return utils.BuildSocketPath(clh.config.VMStorePath, id, nydusdAPISock)
}
func (clh *cloudHypervisor) supportsSharedFS() bool {
caps := clh.Capabilities(clh.ctx)
return caps.IsFsSharingSupported()
}
func (clh *cloudHypervisor) enableProtection() error {
protection, err := availableGuestProtection()
if err != nil {