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tests/vm: Add ability to select QEMU from current build

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Added a new special variable QEMU_LOCAL=1, which
will indicate to take the QEMU binary from the current
build.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Peter Puhov <peter.puhov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200529203458.1038-6-robert.foley@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Robert Foley 2020-05-29 16:34:51 -04:00 • committed by Philippe Mathieu-Daudé
parent d5326a2437
commit e56c45047b
2 changed files with 27 additions and 5 deletions
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28
tests/vm/basevm.py
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@ -61,9 +61,11 @@ class BaseVM(object):
# 4 is arbitrary, but greater than 2,
# since we found we need to wait more than twice as long.
tcg_ssh_timeout_multiplier = 4
def __init__(self, debug=False, vcpus=None, genisoimage=None):
def __init__(self, debug=False, vcpus=None, genisoimage=None,
build_path=None):
self._guest = None
self._genisoimage = genisoimage
self._build_path = build_path
self._tmpdir = os.path.realpath(tempfile.mkdtemp(prefix="vm-test-",
suffix=".tmp",
dir="."))
@ -184,15 +186,15 @@ class BaseVM(object):
"-device", "virtio-blk,drive=drive0,bootindex=0"]
args += self._data_args + extra_args
logging.debug("QEMU args: %s", " ".join(args))
qemu_bin = os.environ.get("QEMU", "qemu-system-" + self.arch)
guest = QEMUMachine(binary=qemu_bin, args=args)
qemu_path = get_qemu_path(self.arch, self._build_path)
guest = QEMUMachine(binary=qemu_path, args=args)
guest.set_machine('pc')
guest.set_console()
try:
guest.launch()
except:
logging.error("Failed to launch QEMU, command line:")
logging.error(" ".join([qemu_bin] + args))
logging.error(" ".join([qemu_path] + args))
logging.error("Log:")
logging.error(guest.get_log())
logging.error("QEMU version >= 2.10 is required")
@ -391,6 +393,19 @@ class BaseVM(object):
return os.path.join(cidir, "cloud-init.iso")
def get_qemu_path(arch, build_path=None):
"""Fetch the path to the qemu binary."""
# If QEMU environment variable set, it takes precedence
if "QEMU" in os.environ:
qemu_path = os.environ["QEMU"]
elif build_path:
qemu_path = os.path.join(build_path, arch + "-softmmu")
qemu_path = os.path.join(qemu_path, "qemu-system-" + arch)
else:
# Default is to use system path for qemu.
qemu_path = "qemu-system-" + arch
return qemu_path
def parse_args(vmcls):
def get_default_jobs():
@ -421,6 +436,9 @@ def parse_args(vmcls):
help="build QEMU from source in guest")
parser.add_option("--build-target",
help="QEMU build target", default="check")
parser.add_option("--build-path", default=None,
help="Path of build directory, "\
"for using build tree QEMU binary. ")
parser.add_option("--interactive", "-I", action="store_true",
help="Interactively run command")
parser.add_option("--snapshot", "-s", action="store_true",
@ -439,7 +457,7 @@ def main(vmcls):
logging.basicConfig(level=(logging.DEBUG if args.debug
else logging.WARN))
vm = vmcls(debug=args.debug, vcpus=args.jobs,
genisoimage=args.genisoimage)
genisoimage=args.genisoimage, build_path=args.build_path)
if args.build_image:
if os.path.exists(args.image) and not args.force:
sys.stderr.writelines(["Image file exists: %s\n" % args.image,