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fix: bypass chmod if mounting point permissions are correct #340

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merged 1 commit into from May 13, 2022
Merged

fix: bypass chmod if mounting point permissions are correct #340

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13 changes: 11 additions & 2 deletions pkg/nfs/nodeserver.go
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Expand Up @@ -121,10 +121,19 @@ func (ns *NodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublis
}

if performChmodOp {
klog.V(2).Infof("volumeID(%v): chmod targetPath(%s) with permissions(0%o)", volumeID, targetPath, mountPermissions)
if err := os.Chmod(targetPath, os.FileMode(mountPermissions)); err != nil {
info, err := os.Lstat(targetPath)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
perm := info.Mode() & os.ModePerm
if perm != os.FileMode(mountPermissions) {
klog.V(2).Infof("volumeID(%v): chmod targetPath(%s, mode:0%o) with permissions(0%o)", volumeID, targetPath, info.Mode(), mountPermissions)
if err := os.Chmod(targetPath, os.FileMode(mountPermissions)); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
} else {
klog.V(2).Infof("skip chmod on targetPath(%s) since mode is already 0%o)", targetPath, info.Mode())
}
} else {
klog.V(2).Infof("skip chmod on targetPath(%s) since mountPermissions is set as 0", targetPath)
}
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