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qemu: Add netdev options to the Device structure

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With the NetDev and MACAddress strings, we can now create networking
device drivers.
We also add a unit test for netdev Device creation.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2016-09-15 14:45:21 +02:00
parent 4780e2371f
commit eda8607cc6
2 changed files with 32 additions and 6 deletions

22
qemu.go
View File

@ -45,8 +45,8 @@ type Machine struct {
// Device describes a device to be created by qemu.
type Device struct {
// Type is the qemu device type
Type string
// Driver is the qemu device driver
Driver string
// ID is the user defined device ID.
ID string
@ -57,12 +57,18 @@ type Device struct {
// FSDev is the device filesystem identifier.
FSDev string
// NetDev is the networking device identifier.
NetDev string
// MountTag is the device filesystem mount point tag.
// It is only relevant when combined with FSDev.
MountTag string
// CharDev is the device character device identifier.
CharDev string
// MACAddress is the networking device interface MAC address.
MACAddress string
}
// Object is a qemu object representation.
@ -321,10 +327,10 @@ func appendQMPSocket(params []string, config Config) []string {
func appendDevices(params []string, config Config) []string {
for _, d := range config.Devices {
if d.Type != "" {
if d.Driver != "" {
var deviceParams []string
deviceParams = append(deviceParams, fmt.Sprintf("%s", d.Type))
deviceParams = append(deviceParams, fmt.Sprintf("%s", d.Driver))
if d.ID != "" {
deviceParams = append(deviceParams, fmt.Sprintf(",id=%s", d.ID))
@ -346,6 +352,14 @@ func appendDevices(params []string, config Config) []string {
}
}
if d.NetDev != "" {
deviceParams = append(deviceParams, fmt.Sprintf(",netdev=%s", d.NetDev))
if d.MACAddress != "" {
deviceParams = append(deviceParams, fmt.Sprintf(",mac=%s", d.MACAddress))
}
}
params = append(params, "-device")
params = append(params, strings.Join(deviceParams, ""))
}

16
qemu_test.go
View File

@ -117,7 +117,7 @@ var deviceNVDIMMString = "-device nvdimm,id=nv0,memdev=mem0"
func TestAppendDeviceNVDIMM(t *testing.T) {
device := Device{
Type: "nvdimm",
Driver: "nvdimm",
ID: "nv0",
MemDev: "mem0",
}
@ -129,7 +129,7 @@ var deviceFSString = "-device virtio-9p-pci,fsdev=workload9p,mount_tag=rootfs"
func TestAppendDeviceFS(t *testing.T) {
device := Device{
Type: "virtio-9p-pci",
Driver: "virtio-9p-pci",
FSDev: "workload9p",
MountTag: "rootfs",
}
@ -137,6 +137,18 @@ func TestAppendDeviceFS(t *testing.T) {
testAppend(device, deviceFSString, t)
}
var deviceNetworkString = "-device virtio-net-pci,netdev=eth0,mac=01:02:de:ad:be:ef"
func TestAppendDeviceNetwork(t *testing.T) {
device := Device{
Driver: "virtio-net-pci",
NetDev: "eth0",
MACAddress: "01:02:de:ad:be:ef",
}
testAppend(device, deviceNetworkString, t)
}
func TestAppendEmptyDevice(t *testing.T) {
device := Device{}