From e56c45047bd5bbcfdc36e3f4ed8b439c5d5c989a Mon Sep 17 00:00:00 2001 From: Robert Foley Date: Fri, 29 May 2020 16:34:51 -0400 Subject: [PATCH] tests/vm: Add ability to select QEMU from current build MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Peter Puhov Reviewed-by: Alex Bennée Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Message-Id: <20200529203458.1038-6-robert.foley@linaro.org> Signed-off-by: Philippe Mathieu-Daudé --- tests/vm/Makefile.include | 4 ++++ tests/vm/basevm.py | 28 +++++++++++++++++++++++----- 2 files changed, 27 insertions(+), 5 deletions(-) diff --git a/tests/vm/Makefile.include b/tests/vm/Makefile.include index 80f7f6bdee..a253aba457 100644 --- a/tests/vm/Makefile.include +++ b/tests/vm/Makefile.include @@ -41,6 +41,7 @@ endif @echo " J=[0..9]* - Override the -jN parameter for make commands" @echo " DEBUG=1 - Enable verbose output on host and interactive debugging" @echo " V=1 - Enable verbose ouput on host and guest commands" + @echo " QEMU_LOCAL=1 - Use QEMU binary local to this build." @echo " QEMU=/path/to/qemu - Change path to QEMU binary" @echo " QEMU_IMG=/path/to/qemu-img - Change path to qemu-img tool" @@ -57,6 +58,7 @@ $(IMAGES_DIR)/%.img: $(SRC_PATH)/tests/vm/% \ $(PYTHON) $< \ $(if $(V)$(DEBUG), --debug) \ $(if $(GENISOIMAGE),--genisoimage $(GENISOIMAGE)) \ + $(if $(QEMU_LOCAL),--build-path $(BUILD_DIR)) \ --image "$@" \ --force \ --build-image $@, \ @@ -71,6 +73,7 @@ vm-build-%: $(IMAGES_DIR)/%.img $(if $(DEBUG), --interactive) \ $(if $(J),--jobs $(J)) \ $(if $(V),--verbose) \ + $(if $(QEMU_LOCAL),--build-path $(BUILD_DIR)) \ --image "$<" \ $(if $(BUILD_TARGET),--build-target $(BUILD_TARGET)) \ --snapshot \ @@ -92,6 +95,7 @@ vm-boot-ssh-%: $(IMAGES_DIR)/%.img $(PYTHON) $(SRC_PATH)/tests/vm/$* \ $(if $(J),--jobs $(J)) \ $(if $(V)$(DEBUG), --debug) \ + $(if $(QEMU_LOCAL),--build-path $(BUILD_DIR)) \ --image "$<" \ --interactive \ false, \ diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py index a2d4054d72..5a3ce42281 100644 --- a/tests/vm/basevm.py +++ b/tests/vm/basevm.py @@ -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,