示例#1
0
class CCompute(Task, CElement):

    numactl = None

    def __init__(self, compute_info):
        super(CCompute, self).__init__()
        CElement.__init__(self)
        self.__compute = compute_info
        self.__element_list = []
        self.__enable_kvm = True
        self.__smbios = None
        self.__bios = None
        self.__boot_order = None
        self.__boot_menu = None
        self.__boot_splash_name = None
        self.__boot_splash_time = None
        self.__qemu_bin = "qemu-system-x86_64"
        self.__cdrom_file = None
        self.__vendor_type = None
        # remember cpu object
        self.__cpu_obj = None
        self.__numactl_info = False
        self.__numactl_mode = None
        self.__cdrom_file = None
        self.__display = None

        # Node wise attributes
        self.__port_qemu_ipmi = 9002
        self.__socket_serial = ""
        self.__sol_enabled = False
        self.__kernel = None
        self.__initrd = None
        self.__cmdline = None
        self.__mem_path = None
        self.__extra_option = None
        self.__monitor = None
        self.__enable_monitor = False

        self.__force_shutdown = None
        self.__shm_key = None

    def enable_sol(self, enabled):
        self.__sol_enabled = enabled

    def set_type(self, vendor_type):
        self.__vendor_type = vendor_type

    def set_port_qemu_ipmi(self, port):
        self.__port_qemu_ipmi = port

    def enable_qemu_monitor(self):
        self.__enable_monitor = True

    def set_socket_serial(self, o):
        self.__socket_serial = o

    def set_smbios(self, smbios):
        self.__smbios = smbios

    def get_smbios(self):
        return self.__smbios

    @run_in_namespace
    def precheck(self):
        # check if qemu-system-x86_64 exists
        # if self.__qemu_bin is an absolute path, check if it exists
        if not self.__qemu_bin.startswith("qemu"):
            try:
                run_command("which {}".format(self.__qemu_bin))
            except CommandRunFailed:
                self.logger.exception("[Compute] Can not find file {}".format(
                    self.__qemu_bin))
                raise CommandNotFound(self.__qemu_bin)

        # check if smbios exists
        if not os.path.isfile(self.__smbios):
            raise ArgsNotCorrect(
                "[Compute] Target SMBIOS file doesn't exist: {}".format(
                    self.__smbios))

        if self.__kernel and os.path.exists(self.__kernel) is False:
            raise ArgsNotCorrect("[Compute] Kernel {} does not exist.".format(
                self.__kernel))

        if self.__initrd and os.path.exists(self.__initrd) is False:
            raise ArgsNotCorrect("[Compute] Kernel {} does not exist.".format(
                self.__initrd))

        # check if VNC port is in use
        if helper.check_if_port_in_use("0.0.0.0", self.__display + 5900):
            raise ArgsNotCorrect(
                "[Compute] VNC port {} is already in use.".format(
                    self.__display + 5900))

        # check sub-elements
        for element in self.__element_list:
            element.precheck()

        if 'boot' in self.__compute:
            if 'menu' in self.__compute['boot']:
                if isinstance(self.__compute['boot']['menu'], str):
                    menu_option = str(
                        self.__compute['boot']['menu']).strip(" ").lower()
                    if menu_option not in ["on", "off"]:
                        msg = "[Compute] Error: illegal config option. " \
                              "The 'menu' must be either 'on' or 'off'."
                        raise ArgsNotCorrect(msg)
                elif not isinstance(self.__compute['boot']['menu'], bool):
                    msg = "[Compute] Error: illegal config option. The 'menu' " \
                          "must be either 'on' or 'off'."
                    raise ArgsNotCorrect(msg)

        # check kvm enabled is bool
        if self.__enable_kvm is not True and self.__enable_kvm is not False:
            raise ArgsNotCorrect(
                "[Compute] KVM enabled is not a boolean: {}".format(
                    self.__enable_kvm))

    @run_in_namespace
    def init(self):
        if not helper.check_kvm_existence():
            self.__enable_kvm = False
        else:
            self.__enable_kvm = self.__compute.get('kvm_enabled', True)

        if 'smbios' in self.__compute:
            self.__smbios = self.__compute['smbios']
        elif self.get_workspace():
            self.__smbios = os.path.join(
                self.get_workspace(), "data",
                "{}_smbios.bin".format(self.__vendor_type))
        else:
            self.__smbios = os.path.join(
                config.infrasim_data,
                "{0}/{0}_smbios.bin".format(self.__vendor_type))

        self.__bios = self.__compute.get('bios')
        if 'boot' in self.__compute:
            self.__boot_order = self.__compute['boot'].get('boot_order', "ncd")
            if 'menu' in self.__compute['boot']:
                self.__boot_menu = "on" if self.__compute['boot']['menu'] in [
                    True, 'on'
                ] else "off"
            self.__boot_splash_name = self.__compute['boot'].get(
                'splash', None)
            self.__boot_splash_time = self.__compute['boot'].get(
                'splash-time', None)
        else:
            self.__boot_order = "ncd"

        self.__cdrom_file = self.__compute.get('cdrom')

        self.__numactl_info = self.__compute.get("numa_control")
        if self.__numactl_info and os.path.exists("/usr/bin/numactl"):
            self.__numactl_mode = self.__numactl_info.get("mode", "auto")
            if self.__class__.numactl is None:
                self.__class__.numactl = NumaCtl()

            self.logger.info('[compute] infrasim has ' 'enabled numa control')
        else:
            self.logger.info('[compute] infrasim can\'t '
                             'find numactl in this environment')

        self.__display = self.__compute.get('vnc_display', 1)
        self.__kernel = self.__compute.get('kernel')
        self.__initrd = self.__compute.get('initrd')

        self.__cmdline = self.__compute.get("cmdline")

        self.__mem_path = self.__compute.get("mem_path")
        self.__machine = self.__compute.get("machine")

        self.__extra_option = self.__compute.get("extra_option")
        self.__qemu_bin = self.__compute.get("qemu_bin", self.__qemu_bin)
        self.__force_shutdown = self.__compute.get("force_shutdown", True)

        self.__shm_key = self.__compute.get("communicate", {}).get("shm_key")

        machine_obj = CMachine(self.__machine)
        machine_obj.logger = self.logger
        self.__element_list.append(machine_obj)

        cpu_obj = CCPU(self.__compute['cpu'])
        cpu_obj.logger = self.logger
        self.__element_list.append(cpu_obj)
        self.__cpu_obj = cpu_obj

        memory_obj = CMemory(self.__compute['memory'])
        memory_obj.logger = self.logger
        self.__element_list.append(memory_obj)

        # If PCI device wants to sit on one specific PCI bus, the bus should be
        # created first prior to using the bus, here we always create the PCI
        # bus prior to other PCI devices' creation
        pci_topology_manager_obj = None
        if 'pci_bridge_topology' in self.__compute:
            pci_topology_manager_obj = CPCITopologyManager(
                self.__compute['pci_bridge_topology'])
            pci_topology_manager_obj.logger = self.logger
            self.__element_list.append(pci_topology_manager_obj)

        if 'pcie_topology' in self.__compute:
            pcie_topology_obj = CPCIETopology(self.__compute['pcie_topology'])
            pcie_topology_obj.logger = self.logger
            self.__element_list.append(pcie_topology_obj)
            if 'sec_bus' in str(self.__compute.get('pcie_topology')):
                fw_cfg_obj = CPCIEFwcfg()
                fw_cfg_obj.logger = self.logger
                fw_cfg_obj.set_workspace(self.get_workspace())
                pcie_topology_obj.set_fw_cfg_obj(fw_cfg_obj)
                self.__element_list.append(fw_cfg_obj)

        backend_storage_obj = CBackendStorage(
            self.__compute['storage_backend'])
        backend_storage_obj.logger = self.logger
        backend_storage_obj.owner = self
        if pci_topology_manager_obj:
            backend_storage_obj.set_pci_topology_mgr(pci_topology_manager_obj)
        backend_storage_obj.owner = self
        self.__element_list.append(backend_storage_obj)

        backend_network_obj = CBackendNetwork(self.__compute['networks'])
        backend_network_obj.logger = self.logger
        self.__element_list.append(backend_network_obj)

        if has_option(self.__compute, "ipmi"):
            ipmi_obj = CIPMI(self.__compute['ipmi'])
        else:
            ipmi_info = {
                'interface': 'kcs',
                'chardev': {
                    'backend': 'socket',
                    'host': '127.0.0.1',
                }
            }
            ipmi_obj = CIPMI(ipmi_info)
        ipmi_obj.logger = self.logger
        ipmi_obj.set_bmc_conn_port(self.__port_qemu_ipmi)
        self.__element_list.append(ipmi_obj)

        if self.__enable_monitor:
            self.__monitor = CQemuMonitor({
                'mode': 'control',
                'chardev': {
                    'backend': 'socket',
                    'path': os.path.join(self.get_workspace(), '.monitor'),
                    'server': True,
                    'wait': False
                }
            })
            self.__monitor.set_workspace(self.get_workspace())
            self.__monitor.logger = self.logger
            self.__element_list.append(self.__monitor)

        for element in self.__element_list:
            element.init()

    def get_commandline(self):
        # handle params
        self.handle_parms()

        qemu_commandline = ""
        for element_obj in self.__element_list:
            qemu_commandline = " ".join(
                [qemu_commandline, element_obj.get_option()])

        qemu_commandline = " ".join(
            [self.__qemu_bin,
             self.get_option(), qemu_commandline])

        # set cpu affinity
        if self.__numactl_mode == "auto":
            cpu_number = self.__cpu_obj.get_cpu_quantities()
            try:
                bind_cpu_list = [
                    str(x)
                    for x in self.__class__.numactl.get_cpu_list(cpu_number)
                ]
            except Exception as e:
                bind_cpu_list = []
                self.logger.warning('[Compute] {}'.format(str(e)))
            if len(bind_cpu_list) > 0:
                numactl_option = 'numactl --physcpubind={} --localalloc'.format(
                    ','.join(bind_cpu_list))
                qemu_commandline = " ".join([numactl_option, qemu_commandline])
        elif self.__numactl_mode == "manual":
            bind_cpu_list = self.__numactl_info.get("cores").split(",")
            numactl_option = 'numactl --physcpubind={} --localalloc'.format(
                self.__numactl_info.get("cores"))
            mem_node_id = self.__numactl_info.get("node-id")
            if mem_node_id is not None:
                numactl_option = " ".join(
                    [numactl_option, "--membind={}".format(mem_node_id)])
            qemu_commandline = " ".join([numactl_option, qemu_commandline])

        return qemu_commandline

    def handle_parms(self):
        self.add_option("-vnc :{}".format(self.__display))
        self.add_option("-name {}".format(self.get_task_name()))
        if self.__sol_enabled:
            self.add_option("-device sga")

        if self.__enable_kvm:
            self.add_option("--enable-kvm")

        if self.__smbios:
            self.add_option("-smbios file={}".format(self.__smbios))

        if self.__bios:
            self.add_option("-bios {}".format(self.__bios))

        if self.__mem_path:
            self.add_option("-mem-path {}".format(self.__mem_path))

        if self.__extra_option:
            self.add_option(self.__extra_option)

        boot_param = []
        if self.__boot_order:
            bootdev_path = self.get_workspace() + '/bootdev'
            if os.path.exists(bootdev_path) is True:
                with open(bootdev_path, "r") as f:
                    boot_param = f.readlines()
                boot_param[0] = boot_param[0].strip()
                if boot_param[0] == "default":
                    self.__boot_order = "c"
                elif boot_param[0] == "pxe":
                    self.__boot_order = "n"
                elif boot_param[0] == "cdrom":
                    self.__boot_order = "d"
                else:
                    self.__boot_order = "ncd"
                boot_param.append("order={}".format(self.__boot_order))
            else:
                boot_param.append("order={}".format(self.__boot_order))
        if self.__boot_menu:
            boot_param.append("menu={}".format(self.__boot_menu))
        if self.__boot_splash_name:
            boot_param.append("splash={}".format(self.__boot_splash_name))
        if self.__boot_splash_time:
            boot_param.append("splash-time={}".format(self.__boot_splash_time))
        tmp = ","
        self.add_option("-boot {}".format(tmp.join(boot_param)))

        if self.__cdrom_file:
            self.add_option("-cdrom {}".format(self.__cdrom_file))

        if self.__socket_serial and self.__sol_enabled:
            chardev = CCharDev({
                "backend": "socket",
                "path": self.__socket_serial,
                "wait": "off"
            })
            chardev.logger = self.logger
            chardev.set_id("serial0")
            chardev.init()
            chardev.handle_parms()

            self.add_option(chardev.get_option())
            self.add_option("-device isa-serial,chardev={}".format(
                chardev.get_id()))

        self.add_option("-uuid {}".format(str(uuid.uuid4())))

        if self.__kernel and self.__initrd:
            self.add_option("-kernel {} -initrd {}".format(
                self.__kernel, self.__initrd))

        if self.__cmdline:
            self.add_option("--append \"{}\"".format(self.__cmdline))

        if self.__shm_key:
            self.add_option("-communicate shmkey={}".format(self.__shm_key))

        for element_obj in self.__element_list:
            element_obj.handle_parms()

    # override Task.terminate, use monitor to shutdown qemu
    def terminate(self):
        if self.__force_shutdown:
            super(CCompute, self).terminate()
            return

        if self._task_is_running():
            self.__monitor.open()
            if self.__monitor.get_mode() == "readline":
                self.__monitor.send("system_powerdown\n")
            elif self.__monitor.get_mode() == "control":
                self.__monitor.send({"execute": "system_powerdown"})
            self.__monitor.close()

        start = time.time()
        while time.time() - start < 2 * 60:
            if not self._task_is_running():
                if os.path.exists(self.get_pid_file()):
                    os.remove(self.get_pid_file())
                break
            time.sleep(1)
        else:
            super(CCompute, self).terminate()
示例#2
0
    def init(self):
        if not helper.check_kvm_existence():
            self.__enable_kvm = False
        else:
            self.__enable_kvm = self.__compute.get('kvm_enabled', True)

        if 'smbios' in self.__compute:
            self.__smbios = self.__compute['smbios']
        elif self.get_workspace():
            self.__smbios = os.path.join(
                self.get_workspace(), "data",
                "{}_smbios.bin".format(self.__vendor_type))
        else:
            self.__smbios = os.path.join(
                config.infrasim_data,
                "{0}/{0}_smbios.bin".format(self.__vendor_type))

        self.__bios = self.__compute.get('bios')
        if 'boot' in self.__compute:
            self.__boot_order = self.__compute['boot'].get('boot_order', "ncd")
            if 'menu' in self.__compute['boot']:
                self.__boot_menu = "on" if self.__compute['boot']['menu'] in [
                    True, 'on'
                ] else "off"
            self.__boot_splash_name = self.__compute['boot'].get(
                'splash', None)
            self.__boot_splash_time = self.__compute['boot'].get(
                'splash-time', None)
        else:
            self.__boot_order = "ncd"

        self.__cdrom_file = self.__compute.get('cdrom')

        self.__numactl_info = self.__compute.get("numa_control")
        if self.__numactl_info and os.path.exists("/usr/bin/numactl"):
            self.__numactl_mode = self.__numactl_info.get("mode", "auto")
            if self.__class__.numactl is None:
                self.__class__.numactl = NumaCtl()

            self.logger.info('[compute] infrasim has ' 'enabled numa control')
        else:
            self.logger.info('[compute] infrasim can\'t '
                             'find numactl in this environment')

        self.__display = self.__compute.get('vnc_display', 1)
        self.__kernel = self.__compute.get('kernel')
        self.__initrd = self.__compute.get('initrd')

        self.__cmdline = self.__compute.get("cmdline")

        self.__mem_path = self.__compute.get("mem_path")
        self.__machine = self.__compute.get("machine")

        self.__extra_option = self.__compute.get("extra_option")
        self.__qemu_bin = self.__compute.get("qemu_bin", self.__qemu_bin)
        self.__force_shutdown = self.__compute.get("force_shutdown", True)

        self.__shm_key = self.__compute.get("communicate", {}).get("shm_key")

        machine_obj = CMachine(self.__machine)
        machine_obj.logger = self.logger
        self.__element_list.append(machine_obj)

        cpu_obj = CCPU(self.__compute['cpu'])
        cpu_obj.logger = self.logger
        self.__element_list.append(cpu_obj)
        self.__cpu_obj = cpu_obj

        memory_obj = CMemory(self.__compute['memory'])
        memory_obj.logger = self.logger
        self.__element_list.append(memory_obj)

        # If PCI device wants to sit on one specific PCI bus, the bus should be
        # created first prior to using the bus, here we always create the PCI
        # bus prior to other PCI devices' creation
        pci_topology_manager_obj = None
        if 'pci_bridge_topology' in self.__compute:
            pci_topology_manager_obj = CPCITopologyManager(
                self.__compute['pci_bridge_topology'])
            pci_topology_manager_obj.logger = self.logger
            self.__element_list.append(pci_topology_manager_obj)

        if 'pcie_topology' in self.__compute:
            pcie_topology_obj = CPCIETopology(self.__compute['pcie_topology'])
            pcie_topology_obj.logger = self.logger
            self.__element_list.append(pcie_topology_obj)
            if 'sec_bus' in str(self.__compute.get('pcie_topology')):
                fw_cfg_obj = CPCIEFwcfg()
                fw_cfg_obj.logger = self.logger
                fw_cfg_obj.set_workspace(self.get_workspace())
                pcie_topology_obj.set_fw_cfg_obj(fw_cfg_obj)
                self.__element_list.append(fw_cfg_obj)

        backend_storage_obj = CBackendStorage(
            self.__compute['storage_backend'])
        backend_storage_obj.logger = self.logger
        backend_storage_obj.owner = self
        if pci_topology_manager_obj:
            backend_storage_obj.set_pci_topology_mgr(pci_topology_manager_obj)
        backend_storage_obj.owner = self
        self.__element_list.append(backend_storage_obj)

        backend_network_obj = CBackendNetwork(self.__compute['networks'])
        backend_network_obj.logger = self.logger
        self.__element_list.append(backend_network_obj)

        if has_option(self.__compute, "ipmi"):
            ipmi_obj = CIPMI(self.__compute['ipmi'])
        else:
            ipmi_info = {
                'interface': 'kcs',
                'chardev': {
                    'backend': 'socket',
                    'host': '127.0.0.1',
                }
            }
            ipmi_obj = CIPMI(ipmi_info)
        ipmi_obj.logger = self.logger
        ipmi_obj.set_bmc_conn_port(self.__port_qemu_ipmi)
        self.__element_list.append(ipmi_obj)

        if self.__enable_monitor:
            self.__monitor = CQemuMonitor({
                'mode': 'control',
                'chardev': {
                    'backend': 'socket',
                    'path': os.path.join(self.get_workspace(), '.monitor'),
                    'server': True,
                    'wait': False
                }
            })
            self.__monitor.set_workspace(self.get_workspace())
            self.__monitor.logger = self.logger
            self.__element_list.append(self.__monitor)

        for element in self.__element_list:
            element.init()
示例#3
0
    def init(self):
        if not helper.check_kvm_existence():
            self.__enable_kvm = False
        else:
            self.__enable_kvm = self.__compute.get('kvm_enabled', True)

        if self.get_workspace():
            # this file copy is performed in workspace.init()
            self.__smbios = os.path.join(self.get_workspace(), "data",
                                         "{}_smbios.bin".format(self.__vendor_type))
        else:
            default = os.path.join(config.infrasim_data, "{0}/{0}_smbios.bin".format(self.__vendor_type))
            if isinstance(self.__compute.get("smbios"), dict):
                self.__smbios = self.__compute["smbios"].get("file", default)
            else:
                self.__smbios = self.__compute.get("smbios", default)

        if os.path.exists(self.__smbios):
            if 'serial_number' in self.__compute:
                self.__serial_number = self.__compute['serial_number']
                set_option(self.__compute, "smbios", "type1", "sn", self.__serial_number)
            if 'uuid' in self.__compute:
                set_option(self.__compute, "smbios", "type1", "uuid", self.__compute["uuid"])

            bios = SMBios(self.__smbios)
            # safe check for compatible with previous version.
            if isinstance(self.__compute.get("smbios"), dict):
                bios.ModifyData(self.__compute["smbios"])
            bios.save(self.__smbios)

        self.__bios = self.__compute.get('bios')
        if 'boot' in self.__compute:
            self.__boot_order = self.__compute['boot'].get('boot_order', "ncd")
            if 'menu' in self.__compute['boot']:
                self.__boot_menu = "on" if self.__compute['boot']['menu'] in [True, 'on'] else "off"
            self.__boot_splash_name = self.__compute['boot'].get('splash', None)
            self.__boot_splash_time = self.__compute['boot'].get('splash-time', None)
            self.checking_time = self.__compute['boot'].get('checking_time', 1)
        else:
            self.__boot_order = "ncd"

        self.__numactl_info = self.__compute.get("numa_control")
        if self.__numactl_info and os.path.exists("/usr/bin/numactl"):
            self.__numactl_mode = self.__numactl_info.get("mode", "auto")
            if self.__class__.numactl is None:
                self.__class__.numactl = NumaCtl()

            self.logger.info('[compute] infrasim has '
                             'enabled numa control')
        else:
            self.logger.info('[compute] infrasim can\'t '
                             'find numactl in this environment')

        self.__display = self.__compute.get('vnc_display', 1)
        self.__kernel = self.__compute.get('kernel')
        self.__initrd = self.__compute.get('initrd')

        self.__cmdline = self.__compute.get("cmdline")

        self.__mem_path = self.__compute.get("mem_path")
        self.__machine = self.__compute.get("machine")

        self.__extra_option = self.__compute.get("extra_option")
        self.__extra_device = self.__compute.get("extra_device", "")
        self.__qemu_bin = self.__compute.get("qemu_bin", self.__qemu_bin)
        self.__force_shutdown = self.__compute.get("force_shutdown", True)

        self.__shm_key = self.__compute.get("communicate", {}).get("shm_key")

        if "uuid" in self.__compute:
            self.__uuid = self.__compute.get("uuid")

        machine_obj = CMachine(self.__machine)
        machine_obj.logger = self.logger
        self.__element_list.append(machine_obj)

        cpu_obj = CCPU(self.__compute['cpu'])
        cpu_obj.logger = self.logger
        self.__element_list.append(cpu_obj)
        self.__cpu_obj = cpu_obj

        memory_obj = CMemory(self.__compute['memory'])
        memory_obj.logger = self.logger
        self.__element_list.append(memory_obj)

        # If PCI device wants to sit on one specific PCI bus, the bus should be
        # created first prior to using the bus, here we always create the PCI
        # bus prior to other PCI devices' creation
        pci_topology_manager_obj = None
        if 'pci_bridge_topology' in self.__compute:
            pci_topology_manager_obj = CPCITopologyManager(self.__compute['pci_bridge_topology'])
            pci_topology_manager_obj.logger = self.logger
            self.__element_list.append(pci_topology_manager_obj)

        if 'pcie_topology' in self.__compute:
            pcie_topology_obj = CPCIETopology(self.__compute['pcie_topology'])
            pcie_topology_obj.logger = self.logger
            self.__element_list.append(pcie_topology_obj)
            if 'sec_bus' in str(self.__compute.get('pcie_topology')):
                fw_cfg_obj = CPCIEFwcfg()
                fw_cfg_obj.logger = self.logger
                fw_cfg_obj.set_workspace(self.get_workspace())
                pcie_topology_obj.set_fw_cfg_obj(fw_cfg_obj)
                self.__element_list.append(fw_cfg_obj)

        backend_network_obj = CBackendNetwork(self.__compute['networks'])
        backend_network_obj.logger = self.logger
        self.__element_list.append(backend_network_obj)

        for imc_element in self.__compute.get("imc", []):
            imc_obj = CPCIIMC(imc_element)
            self.__element_list.append(imc_obj)

        for pcu_element in self.__compute.get("pcu", []):
            pcu_obj = CPCIPCU(pcu_element)
            self.__element_list.append(pcu_obj)

        cdrom_info = self.__compute.get("cdrom")
        backend_storage_obj = CBackendStorage(self.__compute['storage_backend'],
                                              (cdrom_info is not None))
        backend_storage_obj.logger = self.logger
        backend_storage_obj.owner = self
        if pci_topology_manager_obj:
            backend_storage_obj.set_pci_topology_mgr(pci_topology_manager_obj)
        backend_storage_obj.owner = self
        self.__element_list.append(backend_storage_obj)

        for ntb in self.__compute.get("ntb", []):
            ntb_obj = CNTB(ntb)
            self.__element_list.append(ntb_obj)

        for dma_engine in self.__compute.get("dma_engine", []):
            dma_engine_obj = CDMAEngine(dma_engine)
            self.__element_list.append(dma_engine_obj)

        if has_option(self.__compute, "ipmi"):
            ipmi_obj = CIPMI(self.__compute['ipmi'])
        else:
            ipmi_info = {
                'interface': 'kcs',
                'chardev': {
                    'backend': 'socket',
                    'host': '127.0.0.1',
                }
            }
            ipmi_obj = CIPMI(ipmi_info)
        ipmi_obj.logger = self.logger
        ipmi_obj.set_bmc_conn_port(self.__port_qemu_ipmi)
        self.__element_list.append(ipmi_obj)

        if self.__enable_monitor:
            self.__monitor = CQemuMonitor({
                'mode': 'control',
                'chardev': {
                    'backend': 'socket',
                    'path': os.path.join(self.get_workspace(), '.monitor'),
                    'server': True,
                    'wait': False
                }
            })
            self.__monitor.set_workspace(self.get_workspace())
            self.__monitor.logger = self.logger
            self.__element_list.append(self.__monitor)

        if has_option(self.__compute, "cpu_binding"):
            self.__cpu_binding_obj = CCPUBinding(self.__compute["cpu_binding"])
            self.__cpu_binding_obj.monitor = self.__monitor
            self.__cpu_binding_obj.logger = self.logger
            self.__cpu_binding_obj.owner = self
            self.__cpu_binding_obj.vcpu_quantities = self.__compute["cpu"].get("quantities", 0)
            self.__element_list.append(self.__cpu_binding_obj)

        # create cdrom if exits
        if cdrom_info:
            cdrom_obj = IDECdrom(cdrom_info)
            cdrom_obj.logger = self.logger
            cdrom_obj.index = 0
            cdrom_obj.owner = cdrom_obj
            cdrom_obj.set_bus(0)
            cdrom_obj.set_scsi_id(0)
            self.__element_list.append(cdrom_obj)

        # create channel for guest agent
        has_guest_agent = self.__compute.get('guest-agent')
        if has_guest_agent or has_guest_agent == 'on':
            self.__element_list.append(GuestAgent(self.get_workspace()))

        # add debug option
        trace_info = self.__compute.get("trace")
        if trace_info:
            self.__element_list.append(QTrace(trace_info, self.get_workspace()))

        for ppi in self.__compute.get("pcie-passthrough", []):
            ppi_obj = CPCIEPassthrough(ppi)
            self.__element_list.append(ppi_obj)

        for element in self.__element_list:
            element.init()
示例#4
0
class CCompute(Task, CElement):

    numactl = None

    def __init__(self, compute_info):
        super(CCompute, self).__init__()
        CElement.__init__(self)
        self.__compute = compute_info
        self.__element_list = []
        self.__enable_kvm = True
        self.__smbios = None
        self.__bios = None
        self.__boot_order = None
        self.__boot_menu = None
        self.__boot_splash_name = None
        self.__boot_splash_time = None
        self.__qemu_bin = "qemu-system-x86_64"
        self.__vendor_type = None
        # remember cpu object
        self.__cpu_obj = None
        self.__numactl_info = False
        self.__numactl_mode = None
        self.__display = None

        # Node wise attributes
        self.__port_qemu_ipmi = 9002
        self.__socket_serial = ""
        self.__sol_enabled = False
        self.__kernel = None
        self.__initrd = None
        self.__cmdline = None
        self.__mem_path = None
        self.__extra_option = None
        self.__monitor = None
        self.__enable_monitor = False

        self.__force_shutdown = None
        self.__shm_key = None
        self.__extra_device = None
        self.__uuid = None
        self.__serial_number = None

        self.__cpu_binding_obj = None

    def enable_sol(self, enabled):
        self.__sol_enabled = enabled

    def set_type(self, vendor_type):
        self.__vendor_type = vendor_type

    def set_port_qemu_ipmi(self, port):
        self.__port_qemu_ipmi = port

    def enable_qemu_monitor(self):
        self.__enable_monitor = True

    def set_socket_serial(self, o):
        self.__socket_serial = o

    def set_smbios(self, smbios):
        self.__smbios = smbios

    def get_smbios(self):
        return self.__smbios

    def set_uuid(self, uuid):
        self.__uuid = uuid

    def get_uuid(self):
        return self.__uuid

    def set_serial_number(self, sn):
        self.__serial_number = sn

    def get_serial_number(self):
        return self.__serial_number

    @run_in_namespace
    def precheck(self):
        # check if qemu-system-x86_64 exists
        # if self.__qemu_bin is an absolute path, check if it exists
        if not self.__qemu_bin.startswith("qemu"):
            try:
                run_command("which {}".format(self.__qemu_bin))
            except CommandRunFailed:
                self.logger.exception("[Compute] Can not find file {}".format(self.__qemu_bin))
                raise CommandNotFound(self.__qemu_bin)

        # check if smbios exists
        if not os.path.isfile(self.__smbios):
            raise ArgsNotCorrect("[Compute] Target SMBIOS file doesn't exist: {}".
                                 format(self.__smbios))

        if self.__kernel and os.path.exists(self.__kernel) is False:
            raise ArgsNotCorrect("[Compute] Kernel {} does not exist.".
                                 format(self.__kernel))

        if self.__initrd and os.path.exists(self.__initrd) is False:
            raise ArgsNotCorrect("[Compute] Kernel {} does not exist.".
                                 format(self.__initrd))

        # check if VNC port is in use
        if helper.check_if_port_in_use("0.0.0.0", self.__display + 5900):
            raise ArgsNotCorrect("[Compute] VNC port {} is already in use.".
                                 format(self.__display + 5900))

        # check sub-elements
        for element in self.__element_list:
            element.precheck()

        if 'boot' in self.__compute:
            if 'menu' in self.__compute['boot']:
                if isinstance(self.__compute['boot']['menu'], str):
                    menu_option = str(self.__compute['boot']['menu']).strip(" ").lower()
                    if menu_option not in ["on", "off"]:
                        msg = "[Compute] Error: illegal config option. " \
                              "The 'menu' must be either 'on' or 'off'."
                        raise ArgsNotCorrect(msg)
                elif not isinstance(self.__compute['boot']['menu'], bool):
                    msg = "[Compute] Error: illegal config option. The 'menu' " \
                          "must be either 'on' or 'off'."
                    raise ArgsNotCorrect(msg)

        # check kvm enabled is bool
        if self.__enable_kvm is not True and self.__enable_kvm is not False:
            raise ArgsNotCorrect("[Compute] KVM enabled is not a boolean: {}".
                                 format(self.__enable_kvm))

    @run_in_namespace
    def init(self):
        if not helper.check_kvm_existence():
            self.__enable_kvm = False
        else:
            self.__enable_kvm = self.__compute.get('kvm_enabled', True)

        if self.get_workspace():
            # this file copy is performed in workspace.init()
            self.__smbios = os.path.join(self.get_workspace(), "data",
                                         "{}_smbios.bin".format(self.__vendor_type))
        else:
            default = os.path.join(config.infrasim_data, "{0}/{0}_smbios.bin".format(self.__vendor_type))
            if isinstance(self.__compute.get("smbios"), dict):
                self.__smbios = self.__compute["smbios"].get("file", default)
            else:
                self.__smbios = self.__compute.get("smbios", default)

        if os.path.exists(self.__smbios):
            if 'serial_number' in self.__compute:
                self.__serial_number = self.__compute['serial_number']
                set_option(self.__compute, "smbios", "type1", "sn", self.__serial_number)
            if 'uuid' in self.__compute:
                set_option(self.__compute, "smbios", "type1", "uuid", self.__compute["uuid"])

            bios = SMBios(self.__smbios)
            # safe check for compatible with previous version.
            if isinstance(self.__compute.get("smbios"), dict):
                bios.ModifyData(self.__compute["smbios"])
            bios.save(self.__smbios)

        self.__bios = self.__compute.get('bios')
        if 'boot' in self.__compute:
            self.__boot_order = self.__compute['boot'].get('boot_order', "ncd")
            if 'menu' in self.__compute['boot']:
                self.__boot_menu = "on" if self.__compute['boot']['menu'] in [True, 'on'] else "off"
            self.__boot_splash_name = self.__compute['boot'].get('splash', None)
            self.__boot_splash_time = self.__compute['boot'].get('splash-time', None)
            self.checking_time = self.__compute['boot'].get('checking_time', 1)
        else:
            self.__boot_order = "ncd"

        self.__numactl_info = self.__compute.get("numa_control")
        if self.__numactl_info and os.path.exists("/usr/bin/numactl"):
            self.__numactl_mode = self.__numactl_info.get("mode", "auto")
            if self.__class__.numactl is None:
                self.__class__.numactl = NumaCtl()

            self.logger.info('[compute] infrasim has '
                             'enabled numa control')
        else:
            self.logger.info('[compute] infrasim can\'t '
                             'find numactl in this environment')

        self.__display = self.__compute.get('vnc_display', 1)
        self.__kernel = self.__compute.get('kernel')
        self.__initrd = self.__compute.get('initrd')

        self.__cmdline = self.__compute.get("cmdline")

        self.__mem_path = self.__compute.get("mem_path")
        self.__machine = self.__compute.get("machine")

        self.__extra_option = self.__compute.get("extra_option")
        self.__extra_device = self.__compute.get("extra_device", "")
        self.__qemu_bin = self.__compute.get("qemu_bin", self.__qemu_bin)
        self.__force_shutdown = self.__compute.get("force_shutdown", True)

        self.__shm_key = self.__compute.get("communicate", {}).get("shm_key")

        if "uuid" in self.__compute:
            self.__uuid = self.__compute.get("uuid")

        machine_obj = CMachine(self.__machine)
        machine_obj.logger = self.logger
        self.__element_list.append(machine_obj)

        cpu_obj = CCPU(self.__compute['cpu'])
        cpu_obj.logger = self.logger
        self.__element_list.append(cpu_obj)
        self.__cpu_obj = cpu_obj

        memory_obj = CMemory(self.__compute['memory'])
        memory_obj.logger = self.logger
        self.__element_list.append(memory_obj)

        # If PCI device wants to sit on one specific PCI bus, the bus should be
        # created first prior to using the bus, here we always create the PCI
        # bus prior to other PCI devices' creation
        pci_topology_manager_obj = None
        if 'pci_bridge_topology' in self.__compute:
            pci_topology_manager_obj = CPCITopologyManager(self.__compute['pci_bridge_topology'])
            pci_topology_manager_obj.logger = self.logger
            self.__element_list.append(pci_topology_manager_obj)

        if 'pcie_topology' in self.__compute:
            pcie_topology_obj = CPCIETopology(self.__compute['pcie_topology'])
            pcie_topology_obj.logger = self.logger
            self.__element_list.append(pcie_topology_obj)
            if 'sec_bus' in str(self.__compute.get('pcie_topology')):
                fw_cfg_obj = CPCIEFwcfg()
                fw_cfg_obj.logger = self.logger
                fw_cfg_obj.set_workspace(self.get_workspace())
                pcie_topology_obj.set_fw_cfg_obj(fw_cfg_obj)
                self.__element_list.append(fw_cfg_obj)

        backend_network_obj = CBackendNetwork(self.__compute['networks'])
        backend_network_obj.logger = self.logger
        self.__element_list.append(backend_network_obj)

        for imc_element in self.__compute.get("imc", []):
            imc_obj = CPCIIMC(imc_element)
            self.__element_list.append(imc_obj)

        for pcu_element in self.__compute.get("pcu", []):
            pcu_obj = CPCIPCU(pcu_element)
            self.__element_list.append(pcu_obj)

        cdrom_info = self.__compute.get("cdrom")
        backend_storage_obj = CBackendStorage(self.__compute['storage_backend'],
                                              (cdrom_info is not None))
        backend_storage_obj.logger = self.logger
        backend_storage_obj.owner = self
        if pci_topology_manager_obj:
            backend_storage_obj.set_pci_topology_mgr(pci_topology_manager_obj)
        backend_storage_obj.owner = self
        self.__element_list.append(backend_storage_obj)

        for ntb in self.__compute.get("ntb", []):
            ntb_obj = CNTB(ntb)
            self.__element_list.append(ntb_obj)

        for dma_engine in self.__compute.get("dma_engine", []):
            dma_engine_obj = CDMAEngine(dma_engine)
            self.__element_list.append(dma_engine_obj)

        if has_option(self.__compute, "ipmi"):
            ipmi_obj = CIPMI(self.__compute['ipmi'])
        else:
            ipmi_info = {
                'interface': 'kcs',
                'chardev': {
                    'backend': 'socket',
                    'host': '127.0.0.1',
                }
            }
            ipmi_obj = CIPMI(ipmi_info)
        ipmi_obj.logger = self.logger
        ipmi_obj.set_bmc_conn_port(self.__port_qemu_ipmi)
        self.__element_list.append(ipmi_obj)

        if self.__enable_monitor:
            self.__monitor = CQemuMonitor({
                'mode': 'control',
                'chardev': {
                    'backend': 'socket',
                    'path': os.path.join(self.get_workspace(), '.monitor'),
                    'server': True,
                    'wait': False
                }
            })
            self.__monitor.set_workspace(self.get_workspace())
            self.__monitor.logger = self.logger
            self.__element_list.append(self.__monitor)

        if has_option(self.__compute, "cpu_binding"):
            self.__cpu_binding_obj = CCPUBinding(self.__compute["cpu_binding"])
            self.__cpu_binding_obj.monitor = self.__monitor
            self.__cpu_binding_obj.logger = self.logger
            self.__cpu_binding_obj.owner = self
            self.__cpu_binding_obj.vcpu_quantities = self.__compute["cpu"].get("quantities", 0)
            self.__element_list.append(self.__cpu_binding_obj)

        # create cdrom if exits
        if cdrom_info:
            cdrom_obj = IDECdrom(cdrom_info)
            cdrom_obj.logger = self.logger
            cdrom_obj.index = 0
            cdrom_obj.owner = cdrom_obj
            cdrom_obj.set_bus(0)
            cdrom_obj.set_scsi_id(0)
            self.__element_list.append(cdrom_obj)

        # create channel for guest agent
        has_guest_agent = self.__compute.get('guest-agent')
        if has_guest_agent or has_guest_agent == 'on':
            self.__element_list.append(GuestAgent(self.get_workspace()))

        # add debug option
        trace_info = self.__compute.get("trace")
        if trace_info:
            self.__element_list.append(QTrace(trace_info, self.get_workspace()))

        for ppi in self.__compute.get("pcie-passthrough", []):
            ppi_obj = CPCIEPassthrough(ppi)
            self.__element_list.append(ppi_obj)

        for element in self.__element_list:
            element.init()

    def get_commandline(self):
        # handle params
        self.handle_parms()

        qemu_args = " ".join([obj.get_option() for obj in self.__element_list])
        qemu_args = " ".join([self.get_option(), qemu_args, self.__extra_device])

        arg_path = os.path.join(self.get_workspace(), "data")
        if os.path.isdir(arg_path):
            arg_file = os.path.join(arg_path, "qemu_args.txt")
        else:
            # for some sepcial cases that workspace is not ready.
            arg_file = os.path.join("/tmp/", "{}_args.txt".format(self.get_task_name()))

        # put args to file.
        with open(arg_file, "w") as f:
            f.write(qemu_args.replace(" -", "\n-"))

        qemu_commandline = " ".join([self.__qemu_bin,
                                     "-name {}".format(self.get_task_name()),
                                     "-arg_file file={}".format(arg_file)])

        # set cpu affinity
        if self.__numactl_mode == "auto":
            cpu_number = self.__cpu_obj.get_cpu_quantities()
            try:
                bind_cpu_list = [str(x) for x in self.__class__.numactl.get_cpu_list(cpu_number)]
            except Exception as e:
                bind_cpu_list = []
                self.logger.warning('[Compute] {}'.format(str(e)))
            if len(bind_cpu_list) > 0:
                numactl_option = 'numactl --physcpubind={} --localalloc'.format(','.join(bind_cpu_list))
                qemu_commandline = " ".join([numactl_option, qemu_commandline])
        elif self.__numactl_mode == "manual":
            bind_cpu_list = self.__numactl_info.get("cores").split(",")
            numactl_option = 'numactl --physcpubind={} --localalloc'.format(self.__numactl_info.get("cores"))
            mem_node_id = self.__numactl_info.get("node-id")
            if mem_node_id is not None:
                numactl_option = " ".join([numactl_option, "--membind={}".format(mem_node_id)])
            qemu_commandline = " ".join([numactl_option, qemu_commandline])

        return qemu_commandline

    def handle_parms(self):
        self.add_option("-vnc :{}".format(self.__display))
        self.add_option("-name {}".format(self.get_task_name()))
        if self.__sol_enabled:
            self.add_option("-device sga")

        if self.__enable_kvm:
            self.add_option("--enable-kvm")

        self.add_option("-uuid {}".format(self.__uuid))

        if self.__smbios:
            self.add_option("-smbios file={}".format(self.__smbios))

        if self.__bios:
            self.add_option("-bios {}".format(self.__bios))

        if self.__mem_path:
            self.add_option("-mem-path {}".format(self.__mem_path))

        if self.__extra_option:
            self.add_option(self.__extra_option)

        boot_param = []
        if self.__boot_order:
            bootdev_path = self.get_workspace() + '/bootdev'
            if os.path.exists(bootdev_path) is True:
                with open(bootdev_path, "r") as f:
                    boot_param = f.readlines()
                boot_param[0] = boot_param[0].strip()
                if boot_param[0] == "default":
                    self.__boot_order = "c"
                elif boot_param[0] == "pxe":
                    self.__boot_order = "n"
                elif boot_param[0] == "cdrom":
                    self.__boot_order = "d"
                else:
                    self.__boot_order = "ncd"
                boot_param.append("order={}".format(self.__boot_order))
            else:
                boot_param.append("order={}".format(self.__boot_order))
        if self.__boot_menu:
            boot_param.append("menu={}".format(self.__boot_menu))
        if self.__boot_splash_name:
            boot_param.append("splash={}".format(self.__boot_splash_name))
        if self.__boot_splash_time:
            boot_param.append("splash-time={}".format(self.__boot_splash_time))
        tmp = ","
        self.add_option("-boot {}".format(tmp.join(boot_param)))

        if self.__socket_serial and self.__sol_enabled:
            chardev = CCharDev({
                "backend": "socket",
                "path": self.__socket_serial,
                "wait": "off"
            })
            chardev.logger = self.logger
            chardev.set_id("serial0")
            chardev.init()
            chardev.precheck()
            chardev.handle_parms()
            self.add_option(chardev.get_option())

            # serial index 0 must be used for SOL
            serial_obj = CSerial(chardev, {"index": 0})
            serial_obj.init()
            serial_obj.precheck()
            serial_obj.handle_parms()
            self.add_option(serial_obj.get_option())

        if self.__kernel and self.__initrd:
            self.add_option("-kernel {} -initrd {}".format(self.__kernel, self.__initrd))

        if self.__cmdline:
            self.add_option("--append \"{}\"".format(self.__cmdline))

        if self.__shm_key:
            self.add_option("-communicate shmkey={}".format(self.__shm_key))

        for element_obj in self.__element_list:
            element_obj.handle_parms()

    # override Task.terminate, use monitor to shutdown qemu
    def terminate(self):
        if self.__force_shutdown:
            super(CCompute, self).terminate()
            return

        if self.task_is_running():
            self.__monitor.open()
            if self.__monitor.get_mode() == "readline":
                self.__monitor.send("system_powerdown\n")
            elif self.__monitor.get_mode() == "control":
                self.__monitor.send({"execute": "system_powerdown"})
            self.__monitor.close()

        start = time.time()
        while time.time() - start < 2 * 60:
            if not self.task_is_running():
                if os.path.exists(self.get_pid_file()):
                    os.remove(self.get_pid_file())
                break
            time.sleep(1)
        else:
            super(CCompute, self).terminate()

    def post_run(self):
        if self.__cpu_binding_obj:
            self.__cpu_binding_obj.bind_cpus()
示例#5
0
    def init(self):
        if not helper.check_kvm_existence():
            self.__enable_kvm = False
        else:
            self.__enable_kvm = self.__compute.get('kvm_enabled', True)

        if self.get_workspace():
            # this file copy is performed in workspace.init()
            self.__smbios = os.path.join(
                self.get_workspace(), "data",
                "{}_smbios.bin".format(self.__vendor_type))
        else:
            default = os.path.join(
                config.infrasim_data,
                "{0}/{0}_smbios.bin".format(self.__vendor_type))
            if isinstance(self.__compute.get("smbios"), dict):
                self.__smbios = self.__compute["smbios"].get("file", default)
            else:
                self.__smbios = self.__compute.get("smbios", default)

        if os.path.exists(self.__smbios):
            if 'serial_number' in self.__compute:
                self.__serial_number = self.__compute['serial_number']
                set_option(self.__compute, "smbios", "type1", "sn",
                           self.__serial_number)
            if 'uuid' in self.__compute:
                set_option(self.__compute, "smbios", "type1", "uuid",
                           self.__compute["uuid"])

            bios = SMBios(self.__smbios)
            # safe check for compatible with previous version.
            if isinstance(self.__compute.get("smbios"), dict):
                bios.ModifyData(self.__compute["smbios"])
            bios.save(self.__smbios)

        self.__bios = self.__compute.get('bios')
        if 'boot' in self.__compute:
            self.__boot_order = self.__compute['boot'].get('boot_order', "ncd")
            if 'menu' in self.__compute['boot']:
                self.__boot_menu = "on" if self.__compute['boot']['menu'] in [
                    True, 'on'
                ] else "off"
            self.__boot_splash_name = self.__compute['boot'].get(
                'splash', None)
            self.__boot_splash_time = self.__compute['boot'].get(
                'splash-time', None)
            self.checking_time = self.__compute['boot'].get('checking_time', 1)
        else:
            self.__boot_order = "ncd"

        self.__numactl_info = self.__compute.get("numa_control")
        if self.__numactl_info and os.path.exists("/usr/bin/numactl"):
            self.__numactl_mode = self.__numactl_info.get("mode", "auto")
            if self.__class__.numactl is None:
                self.__class__.numactl = NumaCtl()

            self.logger.info('[compute] infrasim has ' 'enabled numa control')
        else:
            self.logger.info('[compute] infrasim can\'t '
                             'find numactl in this environment')

        self.__display = self.__compute.get('vnc_display', 1)
        self.__kernel = self.__compute.get('kernel')
        self.__initrd = self.__compute.get('initrd')

        self.__cmdline = self.__compute.get("cmdline")

        self.__mem_path = self.__compute.get("mem_path")
        self.__machine = self.__compute.get("machine")

        self.__extra_option = self.__compute.get("extra_option")
        self.__extra_device = self.__compute.get("extra_device", "")
        self.__qemu_bin = self.__compute.get("qemu_bin", self.__qemu_bin)
        self.__force_shutdown = self.__compute.get("force_shutdown", True)

        self.__shm_key = self.__compute.get("communicate", {}).get("shm_key")

        if "uuid" in self.__compute:
            self.__uuid = self.__compute.get("uuid")

        machine_obj = CMachine(self.__machine)
        machine_obj.logger = self.logger
        self.__element_list.append(machine_obj)

        cpu_obj = CCPU(self.__compute['cpu'])
        cpu_obj.logger = self.logger
        self.__element_list.append(cpu_obj)
        self.__cpu_obj = cpu_obj

        memory_obj = CMemory(self.__compute['memory'])
        memory_obj.logger = self.logger
        self.__element_list.append(memory_obj)

        # If PCI device wants to sit on one specific PCI bus, the bus should be
        # created first prior to using the bus, here we always create the PCI
        # bus prior to other PCI devices' creation
        pci_topology_manager_obj = None
        if 'pci_bridge_topology' in self.__compute:
            pci_topology_manager_obj = CPCITopologyManager(
                self.__compute['pci_bridge_topology'])
            pci_topology_manager_obj.logger = self.logger
            self.__element_list.append(pci_topology_manager_obj)

        if 'pcie_topology' in self.__compute:
            pcie_topology_obj = CPCIETopology(self.__compute['pcie_topology'])
            pcie_topology_obj.logger = self.logger
            self.__element_list.append(pcie_topology_obj)
            if 'sec_bus' in str(self.__compute.get('pcie_topology')):
                fw_cfg_obj = CPCIEFwcfg()
                fw_cfg_obj.logger = self.logger
                fw_cfg_obj.set_workspace(self.get_workspace())
                pcie_topology_obj.set_fw_cfg_obj(fw_cfg_obj)
                self.__element_list.append(fw_cfg_obj)

        backend_network_obj = CBackendNetwork(self.__compute['networks'])
        backend_network_obj.logger = self.logger
        self.__element_list.append(backend_network_obj)

        for imc_element in self.__compute.get("imc", []):
            imc_obj = CPCIIMC(imc_element)
            self.__element_list.append(imc_obj)

        for pcu_element in self.__compute.get("pcu", []):
            pcu_obj = CPCIPCU(pcu_element)
            self.__element_list.append(pcu_obj)

        cdrom_info = self.__compute.get("cdrom")
        backend_storage_obj = CBackendStorage(
            self.__compute['storage_backend'], (cdrom_info is not None))
        backend_storage_obj.logger = self.logger
        backend_storage_obj.owner = self
        if pci_topology_manager_obj:
            backend_storage_obj.set_pci_topology_mgr(pci_topology_manager_obj)
        backend_storage_obj.owner = self
        self.__element_list.append(backend_storage_obj)

        for ntb in self.__compute.get("ntb", []):
            ntb_obj = CNTB(ntb)
            self.__element_list.append(ntb_obj)

        for dma_engine in self.__compute.get("dma_engine", []):
            dma_engine_obj = CDMAEngine(dma_engine)
            self.__element_list.append(dma_engine_obj)

        if has_option(self.__compute, "ipmi"):
            ipmi_obj = CIPMI(self.__compute['ipmi'])
        else:
            ipmi_info = {
                'interface': 'kcs',
                'chardev': {
                    'backend': 'socket',
                    'host': '127.0.0.1',
                }
            }
            ipmi_obj = CIPMI(ipmi_info)
        ipmi_obj.logger = self.logger
        ipmi_obj.set_bmc_conn_port(self.__port_qemu_ipmi)
        self.__element_list.append(ipmi_obj)

        if self.__enable_monitor:
            self.__monitor = CQemuMonitor({
                'mode': 'control',
                'chardev': {
                    'backend': 'socket',
                    'path': os.path.join(self.get_workspace(), '.monitor'),
                    'server': True,
                    'wait': False
                }
            })
            self.__monitor.set_workspace(self.get_workspace())
            self.__monitor.logger = self.logger
            self.__element_list.append(self.__monitor)

        if has_option(self.__compute, "cpu_binding"):
            self.__cpu_binding_obj = CCPUBinding(self.__compute["cpu_binding"])
            self.__cpu_binding_obj.monitor = self.__monitor
            self.__cpu_binding_obj.logger = self.logger
            self.__cpu_binding_obj.owner = self
            self.__cpu_binding_obj.vcpu_quantities = self.__compute["cpu"].get(
                "quantities", 0)
            self.__element_list.append(self.__cpu_binding_obj)

        # create cdrom if exits
        if cdrom_info:
            cdrom_obj = IDECdrom(cdrom_info)
            cdrom_obj.logger = self.logger
            cdrom_obj.index = 0
            cdrom_obj.owner = cdrom_obj
            cdrom_obj.set_bus(0)
            cdrom_obj.set_scsi_id(0)
            self.__element_list.append(cdrom_obj)

        # create channel for guest agent
        has_guest_agent = self.__compute.get('guest-agent')
        if has_guest_agent or has_guest_agent == 'on':
            self.__element_list.append(GuestAgent(self.get_workspace()))

        # add debug option
        trace_info = self.__compute.get("trace")
        if trace_info:
            self.__element_list.append(QTrace(trace_info,
                                              self.get_workspace()))

        for ppi in self.__compute.get("pcie-passthrough", []):
            ppi_obj = CPCIEPassthrough(ppi)
            self.__element_list.append(ppi_obj)

        for element in self.__element_list:
            element.init()