// StartCmd takes path to stage1, name of the machine, path to kernel, network describers, memory in megabytes
// and quantity of cpus and prepares command line to run QEMU process
func StartCmd(wdPath, name, kernelPath string, nds []kvm.NetDescriber, cpu, mem int64, debug bool) []string {
var (
driverConfiguration = hypervisor.KvmHypervisor{
Bin: "./qemu",
KernelParams: []string{
"root=/dev/root",
"rootfstype=9p",
"rootflags=trans=virtio,version=9p2000.L,cache=mmap",
"rw",
"systemd.default_standard_error=journal+console",
"systemd.default_standard_output=journal+console",
},
}
)
driverConfiguration.InitKernelParams(debug)
cmd := []string{
filepath.Join(wdPath, driverConfiguration.Bin),
"-L", wdPath,
"-no-reboot",
"-display", "none",
"-enable-kvm",
"-smp", strconv.FormatInt(cpu, 10),
"-m", strconv.FormatInt(mem, 10),
"-kernel", kernelPath,
"-fsdev", "local,id=root,path=stage1/rootfs,security_model=none",
"-device", "virtio-9p-pci,fsdev=root,mount_tag=/dev/root",
"-append", fmt.Sprintf("%s", strings.Join(driverConfiguration.KernelParams, " ")),
"-chardev", "stdio,id=virtiocon0,signal=off",
"-device", "virtio-serial",
"-device", "virtconsole,chardev=virtiocon0",
}
return append(cmd, kvmNetArgs(nds)...)
}
// StartCmd takes path to stage1, UUID of the pod, path to kernel, network
// describers, memory in megabytes and quantity of cpus and prepares command
// line to run LKVM process
func StartCmd(wdPath, uuid, kernelPath string, nds []kvm.NetDescriber, cpu, mem int64, debug bool) []string {
machineID := strings.Replace(uuid, "-", "", -1)
driverConfiguration := hypervisor.KvmHypervisor{
Bin: "./lkvm",
KernelParams: []string{
"systemd.default_standard_error=journal+console",
"systemd.default_standard_output=journal+console",
"systemd.machine_id=" + machineID,
},
}
driverConfiguration.InitKernelParams(debug)
startCmd := []string{
filepath.Join(wdPath, driverConfiguration.Bin),
"run",
"--name", "rkt-" + uuid,
"--no-dhcp",
"--cpu", strconv.Itoa(int(cpu)),
"--mem", strconv.Itoa(int(mem)),
"--console=virtio",
"--kernel", kernelPath,
"--disk", "stage1/rootfs", // relative to run/pods/uuid dir this is a place where systemd resides
"--params", strings.Join(driverConfiguration.KernelParams, " "),
}
return append(startCmd, kvmNetArgs(nds)...)
}
