Update to use only qemu-kvm

We only have qemu-kvm available, so use that. This also means that there
will not me any support for using qemu with arches that are different
from the host.

docs/livemedia-creator.rst

@@ -25,7 +25,7 @@ minimum you need:
 
 ``--ks`` to select the kickstart file describing what to install.
 
-To use livemedia-creator with virtualization you will need to have qemu installed.
+To use livemedia-creator with virtualization you will need to have qemu-kvm installed.
 
 If you are going to be using Anaconda directly, with ``--no-virt`` mode, make sure
 you have the anaconda-tui package installed.

lorax.spec

@@ -90,16 +90,15 @@ Anaconda's image install feature.
 %package lmc-virt
 Summary:  livemedia-creator libvirt dependencies
 Requires: lorax = %{version}-%{release}
-Requires: qemu
+Requires: qemu-kvm
 
 # Fedora edk2 builds currently only support these arches
 %ifarch %{ix86} x86_64 %{arm} aarch64
 Requires: edk2-ovmf
 %endif
-Recommends: qemu-kvm
 
 %description lmc-virt
-Additional dependencies required by livemedia-creator when using it with qemu.
+Additional dependencies required by livemedia-creator when using it with qemu-kvm.
 
 %package lmc-novirt
 Summary:  livemedia-creator no-virt dependencies

src/pylorax/installer.py

@@ -135,15 +135,6 @@ class QEMUInstall(object):
     """
     Run qemu using an iso and a kickstart
     """
-    # Mapping of arch to qemu command
-    QEMU_CMDS = {"x86_64":  "qemu-system-x86_64",
-                 "i386":    "qemu-system-i386",
-                 "arm":     "qemu-system-arm",
-                 "aarch64": "qemu-system-aarch64",
-                 "ppc":     "qemu-system-ppc",
-                 "ppc64":   "qemu-system-ppc64"
-                }
-
     def __init__(self, opts, iso, ks_paths, disk_img, img_size=2048,
                  kernel_args=None, memory=1024, vcpus=None, vnc=None, arch=None,
                  log_check=None, virtio_host="127.0.0.1", virtio_port=6080,
@@ -170,9 +161,9 @@ class QEMUInstall(object):
         :param bool boot_uefi: Use OVMF to boot the VM in UEFI mode
         :param str ovmf_path: Path to the OVMF firmware
         """
-        # Lookup qemu-system- for arch if passed, or try to guess using host arch
-        qemu_cmd = [self.QEMU_CMDS.get(arch or os.uname().machine, "qemu-system-"+os.uname().machine)]
-        if not os.path.exists("/usr/bin/"+qemu_cmd[0]):
+        # RHEL8 only has /usr/libexec/qemu-kvm so we have to use that.
+        qemu_cmd = ["/usr/libexec/qemu-kvm"]
+        if not os.path.exists(qemu_cmd[0]):
             raise InstallError("%s does not exist, cannot run qemu" % qemu_cmd[0])
 
         qemu_cmd += ["-nodefconfig"]
@@ -225,13 +216,16 @@ class QEMUInstall(object):
         log.info("qemu %s", display_args)
         qemu_cmd += ["-nographic", "-display", display_args ]
 
+        # Setup virtio networking
+        qemu_cmd += ["-netdev", "user,id=n1", "-device", "virtio-net-pci,netdev=n1"]
+
         # Setup the virtio log port
         qemu_cmd += ["-device", "virtio-serial-pci,id=virtio-serial0"]
         qemu_cmd += ["-device", "virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0"
                                 ",id=channel0,name=org.fedoraproject.anaconda.log.0"]
         qemu_cmd += ["-chardev", "socket,id=charchannel0,host=%s,port=%s" % (virtio_host, virtio_port)]
 
-        # PAss through rng from host
+        # Pass through rng from host
         if opts.with_rng != "none":
             qemu_cmd += ["-object", "rng-random,id=virtio-rng0,filename=%s" % opts.with_rng]
             qemu_cmd += ["-device", "virtio-rng-pci,rng=virtio-rng0,id=rng0,bus=pci.0,addr=0x9"]

src/sbin/livemedia-creator

@@ -84,8 +84,8 @@ def main():
         errors.append("the volume id cannot be longer than 32 characters")
 
     if is_install and not opts.no_virt \
-       and not any(glob.glob("/usr/bin/qemu-system-*")):
-        errors.append("qemu needs to be installed.")
+       and not any(glob.glob("/usr/libexec/qemu-kvm")):
+        errors.append("qemu-kvm needs to be installed.")
 
     if is_install and opts.no_virt \
        and not os.path.exists("/usr/sbin/anaconda"):