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vc: hypervisor: qemu: Add rng device.

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Kata Containers does not have provide a good entropy level,
make use of a paravirtual rng device to solve this problem.

Fixes: #445

Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
This commit is contained in:
Jose Carlos Venegas Munoz
2018-09-10 13:16:50 -05:00
parent f1829d078a
commit bf7fd2bcd7
3 changed files with 25 additions and 0 deletions
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13
virtcontainers/qemu_arch_base.go
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@@ -82,6 +82,9 @@ type qemuArch interface {
// appendVFIODevice appends a VFIO device to devices
appendVFIODevice(devices []govmmQemu.Device, vfioDevice config.VFIODev) []govmmQemu.Device
// appendRNGDevice appends a RNG device to devices
appendRNGDevice(devices []govmmQemu.Device, rngDevice config.RNGDev) []govmmQemu.Device
// handleImagePath handles the Hypervisor Config image path
handleImagePath(config HypervisorConfig)
}
@@ -505,6 +508,16 @@ func (q *qemuArchBase) appendVFIODevice(devices []govmmQemu.Device, vfioDev conf
return devices
}
func (q *qemuArchBase) appendRNGDevice(devices []govmmQemu.Device, rngDev config.RNGDev) []govmmQemu.Device {
devices = append(devices,
govmmQemu.RngDevice{
ID: rngDev.ID,
},
)
return devices
}
func (q *qemuArchBase) handleImagePath(config HypervisorConfig) {
if config.ImagePath != "" {
q.kernelParams = append(q.kernelParams, kernelRootParams...)