almalinux/lorax
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Throw an error when KVM is enabled on non-native installs

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Require KVM acceleration to be disabled when, for example, building
ARM images on x86_64.
This commit is contained in:
Bastien Nocera 2019-07-11 15:57:39 +02:00 committed by Brian C. Lane
parent 4a678d6670
commit 29dc2bd7fe
1 changed files with 9 additions and 1 deletions
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10
src/pylorax/installer.py
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@ -142,6 +142,11 @@ class QEMUInstall(object):
"aarch64": "qemu-system-aarch64",
"ppc64le": "qemu-system-ppc64"
}
COMPATIBLE_ARCHS = {"x86_64": [ "x86_64", "i386" ],
"i386": [ "i386" ],
"arm": [ "arm" ],
"aarch64": [ "aarch64", "arm" ],
"ppc64le": [ "ppc64le" ]}
def __init__(self, opts, iso, ks_paths, disk_img, img_size=2048,
kernel_args=None, memory=1024, vcpus=None, vnc=None, arch=None,
@ -169,8 +174,9 @@ 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
"""
target_arch = arch or os.uname().machine
# 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)]
qemu_cmd = [self.QEMU_CMDS.get(target_arch, "qemu-system-"+os.uname().machine)]
if not os.path.exists("/usr/bin/"+qemu_cmd[0]):
raise InstallError("%s does not exist, cannot run qemu" % qemu_cmd[0])
@ -180,6 +186,8 @@ class QEMUInstall(object):
qemu_cmd += ["-smp", str(vcpus)]
if not opts.no_kvm and os.path.exists("/dev/kvm"):
if os.uname().machine not in self.COMPATIBLE_ARCHS[target_arch]:
raise InstallError("KVM support not available to run %s on %s" % (target_arch, os.uname().machine))
qemu_cmd += ["-machine", "accel=kvm"]
if boot_uefi: