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https://github.com/GNS3/gns3-server.git
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parent
8b46a1a4ab
commit
323674ba5c
@ -150,7 +150,7 @@ class QemuVM(BaseVM):
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self._platform = "x86_64"
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else:
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self._platform = re.sub(r'^qemu-system-(.*)(w.exe)?$', r'\1', os.path.basename(qemu_path), re.IGNORECASE)
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if self._platform not in QEMU_PLATFORMS:
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if self._platform.split(".")[0] not in QEMU_PLATFORMS:
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raise QemuError("Platform {} is unknown".format(self._platform))
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log.info('QEMU VM "{name}" [{id}] has set the QEMU path to {qemu_path}'.format(name=self._name,
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id=self._id,
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@ -1356,6 +1356,27 @@ class QemuVM(BaseVM):
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return []
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return ["-nographic"]
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def _run_with_kvm(self, qemu_path, options):
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"""
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Check if we could run qemu with KVM
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:param qemu_path: Path to qemu
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:param options: String of qemu user options
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:returns: Boolean True if we need to enable KVM
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"""
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if sys.platform.startswith("linux") and self.manager.config.get_section_config("Qemu").getboolean("enable_kvm", True) \
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and "-no-kvm" not in options:
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# Turn OFF kvm for non x86 architectures
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if os.path.basename(qemu_path) not in ["qemu-system-x86_64", "qemu-system-i386", "qemu-kvm"]:
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return False
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if not os.path.exists("/dev/kvm"):
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raise QemuError("KVM acceleration cannot be used (/dev/kvm doesn't exist)")
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return True
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return False
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@asyncio.coroutine
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def _build_command(self):
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"""
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@ -1367,10 +1388,7 @@ class QemuVM(BaseVM):
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command.extend(["-name", self._name])
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command.extend(["-m", str(self._ram)])
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command.extend(["-smp", "cpus={}".format(self._cpus)])
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if sys.platform.startswith("linux") and self.manager.config.get_section_config("Qemu").getboolean("enable_kvm", True) \
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and "-no-kvm" not in self._options:
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if not os.path.exists("/dev/kvm"):
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raise QemuError("KVM acceleration cannot be used (/dev/kvm doesn't exist)")
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if self._run_with_kvm(self.qemu_path, self._options):
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command.extend(["-enable-kvm"])
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command.extend(["-boot", "order={}".format(self._boot_priority)])
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disk_options = yield from self._disk_options()
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@ -165,3 +165,35 @@ def run_around_tests(monkeypatch):
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shutil.rmtree(tmppath)
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except:
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pass
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@pytest.yield_fixture
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def darwin_platform():
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"""
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Change sys.plaform to Darwin
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"""
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old_platform = sys.platform
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sys.platform = "darwin10.10"
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yield
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sys.plaform = old_platform
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@pytest.yield_fixture
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def windows_platform():
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"""
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Change sys.plaform to Windows
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"""
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old_platform = sys.platform
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sys.platform = "win10"
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yield
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sys.plaform = old_platform
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@pytest.yield_fixture
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def linux_platform():
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"""
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Change sys.plaform to Linux
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"""
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old_platform = sys.platform
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sys.platform = "linuxdebian"
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yield
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sys.plaform = old_platform
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@ -428,3 +428,54 @@ def test_get_qemu_img_not_exist(vm, tmpdir):
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vm._qemu_path = str(tmpdir / "qemu-sytem-x86_64")
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with pytest.raises(QemuError):
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vm._get_qemu_img()
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def test_run_with_kvm_darwin(darwin_platform, vm):
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with patch("configparser.SectionProxy.getboolean", return_value=True):
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assert vm._run_with_kvm("qemu-system-x86_64", "") is False
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def test_run_with_kvm_windows(windows_platform, vm):
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with patch("configparser.SectionProxy.getboolean", return_value=True):
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assert vm._run_with_kvm("qemu-system-x86_64.exe", "") is False
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def test_run_with_kvm_linux(linux_platform, vm):
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with patch("os.path.exists", return_value=True) as os_path:
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with patch("configparser.SectionProxy.getboolean", return_value=True):
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assert vm._run_with_kvm("qemu-system-x86_64", "") is True
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os_path.assert_called_with("/dev/kvm")
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def test_run_with_kvm_linux_config_desactivated(linux_platform, vm):
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with patch("os.path.exists", return_value=True) as os_path:
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with patch("configparser.SectionProxy.getboolean", return_value=False):
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assert vm._run_with_kvm("qemu-system-x86_64", "") is False
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def test_run_with_kvm_linux_options_no_kvm(linux_platform, vm):
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with patch("os.path.exists", return_value=True) as os_path:
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with patch("configparser.SectionProxy.getboolean", return_value=True):
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assert vm._run_with_kvm("qemu-system-x86_64", "-no-kvm") is False
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def test_run_with_kvm_not_x86(linux_platform, vm):
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with patch("os.path.exists", return_value=True) as os_path:
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with patch("configparser.SectionProxy.getboolean", return_value=True):
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assert vm._run_with_kvm("qemu-system-arm", "") is False
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def test_run_with_kvm_linux_dev_kvm_missing(linux_platform, vm):
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with patch("os.path.exists", return_value=False) as os_path:
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with patch("configparser.SectionProxy.getboolean", return_value=True):
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with pytest.raises(QemuError):
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vm._run_with_kvm("qemu-system-x86_64", "")
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