podman/pkg/machine/qemu/command.go

88 lines
3.0 KiB
Go

package qemu
import (
"fmt"
"strconv"
"github.com/containers/podman/v4/pkg/machine"
)
// QemuCmd is an alias around a string slice to prevent the need to migrate the
// MachineVM struct due to changes
type QemuCmd []string
// NewQemuBuilder creates a new QemuCmd object that we will build on top of,
// starting with the qemu binary, architecture specific options, and propagated
// proxy and SSL settings
func NewQemuBuilder(binary string, options []string) QemuCmd {
q := QemuCmd{binary}
return append(q, options...)
}
// SetMemory adds the specified amount of memory for the machine
func (q *QemuCmd) SetMemory(m uint64) {
*q = append(*q, "-m", strconv.FormatUint(m, 10))
}
// SetCPUs adds the number of CPUs the machine will have
func (q *QemuCmd) SetCPUs(c uint64) {
*q = append(*q, "-smp", strconv.FormatUint(c, 10))
}
// SetIgnitionFile specifies the machine's ignition file
func (q *QemuCmd) SetIgnitionFile(file machine.VMFile) {
*q = append(*q, "-fw_cfg", "name=opt/com.coreos/config,file="+file.GetPath())
}
// SetQmpMonitor specifies the machine's qmp socket
func (q *QemuCmd) SetQmpMonitor(monitor Monitor) {
*q = append(*q, "-qmp", monitor.Network+":"+monitor.Address.GetPath()+",server=on,wait=off")
}
// SetNetwork adds a network device to the machine
func (q *QemuCmd) SetNetwork() {
// Right now the mac address is hardcoded so that the host networking gives it a specific IP address. This is
// why we can only run one vm at a time right now
*q = append(*q, "-netdev", "socket,id=vlan,fd=3", "-device", "virtio-net-pci,netdev=vlan,mac=5a:94:ef:e4:0c:ee")
}
// SetSerialPort adds a serial port to the machine for readiness
func (q *QemuCmd) SetSerialPort(readySocket, vmPidFile machine.VMFile, name string) {
*q = append(*q,
"-device", "virtio-serial",
// qemu needs to establish the long name; other connections can use the symlink'd
// Note both id and chardev start with an extra "a" because qemu requires that it
// starts with a letter but users can also use numbers
"-chardev", "socket,path="+readySocket.GetPath()+",server=on,wait=off,id=a"+name+"_ready",
"-device", "virtserialport,chardev=a"+name+"_ready"+",name=org.fedoraproject.port.0",
"-pidfile", vmPidFile.GetPath())
}
// SetVirtfsMount adds a virtfs mount to the machine
func (q *QemuCmd) SetVirtfsMount(source, tag, securityModel string, readonly bool) {
virtfsOptions := fmt.Sprintf("local,path=%s,mount_tag=%s,security_model=%s", source, tag, securityModel)
if readonly {
virtfsOptions += ",readonly"
}
*q = append(*q, "-virtfs", virtfsOptions)
}
// SetBootableImage specifies the image the machine will use to boot
func (q *QemuCmd) SetBootableImage(image string) {
*q = append(*q, "-drive", "if=virtio,file="+image)
}
// SetDisplay specifies whether the machine will have a display
func (q *QemuCmd) SetDisplay(display string) {
*q = append(*q, "-display", display)
}
// SetPropagatedHostEnvs adds options that propagate SSL and proxy settings
func (q *QemuCmd) SetPropagatedHostEnvs() {
*q = propagateHostEnv(*q)
}
func (q *QemuCmd) Build() []string {
return *q
}