Set Qemu uuid for csr1000v

Fix #711

gns3server/compute/qemu/qemu_vm.py

@@ -694,7 +694,7 @@ def initrd(self, initrd):
         :param initrd: QEMU initrd path
         """
 
-        initrd =  self.manager.get_abs_image_path(initrd)
+        initrd = self.manager.get_abs_image_path(initrd)
 
         log.info('QEMU VM "{name}" [{id}] has set the QEMU initrd path to {initrd}'.format(name=self._name,
                                                                                            id=self._id,
@@ -1480,6 +1480,7 @@ def _build_command(self):
         (to be passed to subprocess.Popen())
         """
 
+        additional_options = self._options.strip()
         command = [self.qemu_path]
         command.extend(["-name", self._name])
         command.extend(["-m", "{}M".format(self._ram)])
@@ -1496,6 +1497,8 @@ def _build_command(self):
         command.extend(cdrom_option)
         command.extend((yield from self._disk_options()))
         command.extend(self._linux_boot_options())
+        if "-uuid" not in additional_options:
+            command.extend(["-uuid", self._id])
         if self._console_type == "telnet":
             command.extend(self._serial_options())
         elif self._console_type == "vnc":
@@ -1505,7 +1508,6 @@ def _build_command(self):
         command.extend(self._monitor_options())
         command.extend((yield from self._network_options()))
         command.extend(self._graphic())
-        additional_options = self._options.strip()
         if additional_options:
             try:
                 command.extend(shlex.split(additional_options))

tests/compute/qemu/test_qemu_vm.py

@@ -431,6 +431,8 @@ def test_build_command(vm, loop, fake_qemu_binary, port_manager):
             "cpus=1",
             "-boot",
             "order=c",
+            "-uuid",
+            vm.id,
             "-serial",
             "telnet:127.0.0.1:{},server,nowait".format(vm.console),
             "-net",
@@ -440,6 +442,19 @@ def test_build_command(vm, loop, fake_qemu_binary, port_manager):
         ]
 
 
+def test_build_command_manual_uuid(vm, loop, fake_qemu_binary, port_manager):
+    """
+    If user has set a uuid we keep it
+    """
+
+    vm.options = "-uuid e1c307a4-896f-11e6-81a5-3c07547807cc"
+    os.environ["DISPLAY"] = "0:0"
+    with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
+        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        assert "e1c307a4-896f-11e6-81a5-3c07547807cc" in cmd
+        assert vm.id not in cmd
+
+
 def test_build_command_kvm(linux_platform, vm, loop, fake_qemu_binary, port_manager):
     """
     Qemu 2.4 introduce an issue with KVM
@@ -460,6 +475,8 @@ def test_build_command_kvm(linux_platform, vm, loop, fake_qemu_binary, port_mana
             "-enable-kvm",
             "-boot",
             "order=c",
+            "-uuid",
+            vm.id,
             "-serial",
             "telnet:127.0.0.1:{},server,nowait".format(vm.console),
             "-net",
@@ -491,6 +508,8 @@ def test_build_command_kvm_2_4(linux_platform, vm, loop, fake_qemu_binary, port_
             "smm=off",
             "-boot",
             "order=c",
+            "-uuid",
+            vm.id,
             "-serial",
             "telnet:127.0.0.1:{},server,nowait".format(vm.console),
             "-net",
@@ -525,6 +544,8 @@ def test_build_command_two_adapters(vm, loop, fake_qemu_binary, port_manager):
             "cpus=1",
             "-boot",
             "order=c",
+            "-uuid",
+            vm.id,
             "-serial",
             "telnet:127.0.0.1:{},server,nowait".format(vm.console),
             "-net",