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clh: introduce createVirtiofsDaemon()

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Let's introduce and use a new `createVirtiofsDaemon` method.  Its name
says it all, and it'll be handy later in this series when, spoiler
alert, SharedFS cannot be used (in such cases as in Confidential
Guests).

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2022-03-03 10:25:18 +01:00
parent 76e4f6a2a3
commit 413b3b477a
1 changed files with 39 additions and 26 deletions
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65
src/runtime/virtcontainers/clh.go
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@ -198,6 +198,42 @@ func (clh *cloudHypervisor) setConfig(config *HypervisorConfig) error {
return nil
}
func (clh *cloudHypervisor) createVirtiofsDaemon(sharedPath string) (VirtiofsDaemon, error) {
virtiofsdSocketPath, err := clh.virtioFsSocketPath(clh.id)
if err != nil {
return nil, err
}
if clh.config.SharedFS == config.VirtioFSNydus {
apiSockPath, err := clh.nydusdAPISocketPath(clh.id)
if err != nil {
clh.Logger().WithError(err).Error("Invalid api socket path for nydusd")
return nil, err
}
nd := &nydusd{
path: clh.config.VirtioFSDaemon,
sockPath: virtiofsdSocketPath,
apiSockPath: apiSockPath,
sourcePath: sharedPath,
debug: clh.config.Debug,
extraArgs: clh.config.VirtioFSExtraArgs,
startFn: startInShimNS,
}
nd.setupShareDirFn = nd.setupPassthroughFS
return nd, nil
}
// default: use virtiofsd
return &virtiofsd{
path: clh.config.VirtioFSDaemon,
sourcePath: sharedPath,
socketPath: virtiofsdSocketPath,
extraArgs: clh.config.VirtioFSExtraArgs,
debug: clh.config.Debug,
cache: clh.config.VirtioFSCache,
}, nil
}
func (clh *cloudHypervisor) nydusdAPISocketPath(id string) (string, error) {
return utils.BuildSocketPath(clh.config.VMStorePath, id, nydusdAPISock)
}
@ -402,32 +438,9 @@ func (clh *cloudHypervisor) CreateVM(ctx context.Context, id string, network Net
ApiInternal: chclient.NewAPIClient(cfg).DefaultApi,
}
clh.virtiofsDaemon = &virtiofsd{
path: clh.config.VirtioFSDaemon,
sourcePath: filepath.Join(GetSharePath(clh.id)),
socketPath: virtiofsdSocketPath,
extraArgs: clh.config.VirtioFSExtraArgs,
debug: clh.config.Debug,
cache: clh.config.VirtioFSCache,
}
if clh.config.SharedFS == config.VirtioFSNydus {
apiSockPath, err := clh.nydusdAPISocketPath(clh.id)
if err != nil {
clh.Logger().WithError(err).Error("Invalid api socket path for nydusd")
return err
}
nd := &nydusd{
path: clh.config.VirtioFSDaemon,
sockPath: virtiofsdSocketPath,
apiSockPath: apiSockPath,
sourcePath: filepath.Join(GetSharePath(clh.id)),
debug: clh.config.Debug,
extraArgs: clh.config.VirtioFSExtraArgs,
startFn: startInShimNS,
}
nd.setupShareDirFn = nd.setupPassthroughFS
clh.virtiofsDaemon = nd
clh.virtiofsDaemon, err = clh.createVirtiofsDaemon(filepath.Join(GetSharePath(clh.id)))
if err != nil {
return err
}
if clh.config.SGXEPCSize > 0 {