def nic_add(vm, model, netdev_id, mac, rom=None): """ Add a nic to virtual machine @vm: VM object @model: nic model @netdev_id: id of netdev @mac: Mac address of new nic @rom: Rom file """ nic_id = virt_utils.generate_random_id() if model == "virtio": model = "virtio-net-pci" device_add_cmd = "device_add %s,netdev=%s,mac=%s,id=%s" % ( model, netdev_id, mac, nic_id) if rom: device_add_cmd += ",romfile=%s" % rom logging.info("Adding nic through %s", device_add_cmd) vm.monitor.cmd(device_add_cmd) qdev = vm.monitor.info("qtree") if not nic_id in qdev: logging.error(qdev) raise error.TestFail("Device %s was not plugged into qdev" "tree" % nic_id) else: return nic_id
def nic_add(vm, model, netdev_id, mac, rom=None): """ Add a nic to virtual machine @vm: VM object @model: nic model @netdev_id: id of netdev @mac: Mac address of new nic @rom: Rom file """ nic_id = virt_utils.generate_random_id() if model == "virtio": model = "virtio-net-pci" device_add_cmd = "device_add %s,netdev=%s,mac=%s,id=%s" % (model, netdev_id, mac, nic_id) if rom: device_add_cmd += ",romfile=%s" % rom logging.info("Adding nic through %s", device_add_cmd) vm.monitor.cmd(device_add_cmd) qdev = vm.monitor.info("qtree") if not nic_id in qdev: logging.error(qdev) raise error.TestFail("Device %s was not plugged into qdev" "tree" % nic_id) else: return nic_id
def netdev_add(vm): netdev_id = virt_utils.generate_random_id() attach_cmd = ("netdev_add tap,id=%s" % netdev_id) nic_script = params.get("nic_script") if nic_script: attach_cmd += ",script=%s" % virt_utils.get_path( vm.root_dir, nic_script) netdev_extra_params = params.get("netdev_extra_params") if netdev_extra_params: attach_cmd += ",%s" % netdev_extra_params logging.info("Adding netdev through %s", attach_cmd) vm.monitor.cmd(attach_cmd) network = vm.monitor.info("network") if netdev_id not in network: logging.error(network) raise error.TestError("Fail to add netdev: %s" % netdev_id) else: return netdev_id
def netdev_add(vm): netdev_id = virt_utils.generate_random_id() attach_cmd = ("netdev_add tap,id=%s" % netdev_id) nic_script = params.get("nic_script") if nic_script: attach_cmd += ",script=%s" % virt_utils.get_path(vm.root_dir, nic_script) netdev_extra_params = params.get("netdev_extra_params") if netdev_extra_params: attach_cmd += ",%s" % netdev_extra_params logging.info("Adding netdev through %s", attach_cmd) vm.monitor.cmd(attach_cmd) network = vm.monitor.info("network") if netdev_id not in network: logging.error(network) raise error.TestError("Fail to add netdev: %s" % netdev_id) else: return netdev_id
def run_pci_hotplug(test, params, env): """ Test hotplug of PCI devices. (Elements between [] are configurable test parameters) 1) PCI add a deivce (NIC / block) 2) Compare output of monitor command 'info pci'. 3) Compare output of guest command [reference_cmd]. 4) Verify whether pci_model is shown in [pci_find_cmd]. 5) Check whether the newly added PCI device works fine. 6) PCI delete the device, verify whether could remove the PCI device. @param test: KVM test object. @param params: Dictionary with the test parameters. @param env: Dictionary with test environment. """ vm = env.get_vm(params["main_vm"]) vm.verify_alive() timeout = int(params.get("login_timeout", 360)) session = vm.wait_for_login(timeout=timeout) # Modprobe the module if specified in config file module = params.get("modprobe_module") if module: session.cmd("modprobe %s" % module) # Get output of command 'info pci' as reference info_pci_ref = vm.monitor.info("pci") # Get output of command as reference reference = session.cmd_output(params.get("reference_cmd")) tested_model = params.get("pci_model") test_type = params.get("pci_type") image_format = params.get("image_format_stg") # Probe qemu to verify what is the supported syntax for PCI hotplug cmd_output = vm.monitor.cmd("?") if len(re.findall("\ndevice_add", cmd_output)) > 0: cmd_type = "device_add" elif len(re.findall("\npci_add", cmd_output)) > 0: cmd_type = "pci_add" else: raise error.TestError("Unknow version of qemu") # Determine syntax of drive hotplug # __com.redhat_drive_add == qemu-kvm-0.12 on RHEL 6 if len(re.findall("\n__com.redhat_drive_add", cmd_output)) > 0: drive_cmd_type = "__com.redhat_drive_add" # drive_add == qemu-kvm-0.13 onwards elif len(re.findall("\ndrive_add", cmd_output)) > 0: drive_cmd_type = "drive_add" else: raise error.TestError("Unknow version of qemu") # Probe qemu for a list of supported devices devices_support = vm.monitor.cmd("%s ?" % cmd_type) if cmd_type == "pci_add": if test_type == "nic": pci_add_cmd = "pci_add pci_addr=auto nic model=%s" % tested_model elif test_type == "block": image_params = params.object_params("stg") image_filename = virt_vm.get_image_filename(image_params, test.bindir) pci_add_cmd = ("pci_add pci_addr=auto storage file=%s,if=%s" % (image_filename, tested_model)) # Execute pci_add (should be replaced by a proper monitor method call) add_output = vm.monitor.cmd(pci_add_cmd) if not "OK domain" in add_output: raise error.TestFail("Add PCI device failed. " "Monitor command is: %s, Output: %r" % (pci_add_cmd, add_output)) after_add = vm.monitor.info("pci") elif cmd_type == "device_add": driver_id = test_type + "-" + virt_utils.generate_random_id() device_id = test_type + "-" + virt_utils.generate_random_id() if test_type == "nic": if tested_model == "virtio": tested_model = "virtio-net-pci" pci_add_cmd = "device_add id=%s,driver=%s" % (device_id, tested_model) elif test_type == "block": image_params = params.object_params("stg") image_filename = virt_vm.get_image_filename(image_params, test.bindir) controller_model = None if tested_model == "virtio": tested_model = "virtio-blk-pci" if tested_model == "scsi": tested_model = "scsi-disk" controller_model = "lsi53c895a" if len(re.findall(controller_model, devices_support)) == 0: raise error.TestError("scsi controller device (%s) not " "supported by qemu" % controller_model) if controller_model is not None: controller_id = "controller-" + device_id controller_add_cmd = ("device_add %s,id=%s" % (controller_model, controller_id)) vm.monitor.cmd(controller_add_cmd) if drive_cmd_type == "drive_add": driver_add_cmd = ("drive_add auto " "file=%s,if=none,id=%s,format=%s" % (image_filename, driver_id, image_format)) elif drive_cmd_type == "__com.redhat_drive_add": driver_add_cmd = ("__com.redhat_drive_add " "file=%s,format=%s,id=%s" % (image_filename, image_format, driver_id)) pci_add_cmd = ("device_add id=%s,driver=%s,drive=%s" % (device_id, tested_model, driver_id)) vm.monitor.cmd(driver_add_cmd) # Check if the device is support in qemu if len(re.findall(tested_model, devices_support)) > 0: add_output = vm.monitor.cmd(pci_add_cmd) else: raise error.TestError("%s doesn't support device: %s" % (cmd_type, tested_model)) after_add = vm.monitor.info("pci") if not device_id in after_add: raise error.TestFail("Add device failed. Monitor command is: %s" ". Output: %r" % (pci_add_cmd, add_output)) # Define a helper function to delete the device def pci_del(ignore_failure=False): if cmd_type == "pci_add": result_domain, bus, slot, function = add_output.split(',') domain = int(result_domain.split()[2]) bus = int(bus.split()[1]) slot = int(slot.split()[1]) pci_addr = "%x:%x:%x" % (domain, bus, slot) cmd = "pci_del pci_addr=%s" % pci_addr elif cmd_type == "device_add": cmd = "device_del %s" % device_id # This should be replaced by a proper monitor method call vm.monitor.cmd(cmd) def device_removed(): after_del = vm.monitor.info("pci") return after_del != after_add if (not virt_utils.wait_for(device_removed, 10, 0, 1) and not ignore_failure): raise error.TestFail("Failed to hot remove PCI device: %s. " "Monitor command: %s" % (tested_model, cmd)) try: # Compare the output of 'info pci' if after_add == info_pci_ref: raise error.TestFail("No new PCI device shown after executing " "monitor command: 'info pci'") # Define a helper function to compare the output def new_shown(): o = session.cmd_output(params.get("reference_cmd")) return o != reference secs = int(params.get("wait_secs_for_hook_up")) if not virt_utils.wait_for(new_shown, 30, secs, 3): raise error.TestFail("No new device shown in output of command " "executed inside the guest: %s" % params.get("reference_cmd")) # Define a helper function to catch PCI device string def find_pci(): o = session.cmd_output(params.get("find_pci_cmd")) return params.get("match_string") in o if not virt_utils.wait_for(find_pci, 30, 3, 3): raise error.TestFail("PCI %s %s device not found in guest. " "Command was: %s" % (tested_model, test_type, params.get("find_pci_cmd"))) # Test the newly added device try: session.cmd(params.get("pci_test_cmd")) except aexpect.ShellError, e: raise error.TestFail("Check for %s device failed after PCI " "hotplug. Output: %r" % (test_type, e.output)) session.close()
def run_pci_hotplug(test, params, env): """ Test hotplug of PCI devices. (Elements between [] are configurable test parameters) 1) PCI add a deivce (NIC / block) 2) Compare output of monitor command 'info pci'. 3) Compare output of guest command [reference_cmd]. 4) Verify whether pci_model is shown in [pci_find_cmd]. 5) Check whether the newly added PCI device works fine. 6) PCI delete the device, verify whether could remove the PCI device. @param test: KVM test object. @param params: Dictionary with the test parameters. @param env: Dictionary with test environment. """ vm = env.get_vm(params["main_vm"]) vm.verify_alive() timeout = int(params.get("login_timeout", 360)) session = vm.wait_for_login(timeout=timeout) # Modprobe the module if specified in config file module = params.get("modprobe_module") if module: session.cmd("modprobe %s" % module) # Get output of command 'info pci' as reference info_pci_ref = vm.monitor.info("pci") # Get output of command as reference reference = session.cmd_output(params.get("reference_cmd")) tested_model = params.get("pci_model") test_type = params.get("pci_type") image_format = params.get("image_format_stg") # Probe qemu to verify what is the supported syntax for PCI hotplug cmd_output = vm.monitor.cmd("?") if len(re.findall("\ndevice_add", cmd_output)) > 0: cmd_type = "device_add" elif len(re.findall("\npci_add", cmd_output)) > 0: cmd_type = "pci_add" else: raise error.TestError("Unknow version of qemu") # Determine syntax of drive hotplug # __com.redhat_drive_add == qemu-kvm-0.12 on RHEL 6 if len(re.findall("\n__com.redhat_drive_add", cmd_output)) > 0: drive_cmd_type = "__com.redhat_drive_add" # drive_add == qemu-kvm-0.13 onwards elif len(re.findall("\ndrive_add", cmd_output)) > 0: drive_cmd_type = "drive_add" else: raise error.TestError("Unknow version of qemu") # Probe qemu for a list of supported devices devices_support = vm.monitor.cmd("%s ?" % cmd_type) if cmd_type == "pci_add": if test_type == "nic": pci_add_cmd = "pci_add pci_addr=auto nic model=%s" % tested_model elif test_type == "block": image_params = params.object_params("stg") image_filename = virt_vm.get_image_filename( image_params, test.bindir) pci_add_cmd = ("pci_add pci_addr=auto storage file=%s,if=%s" % (image_filename, tested_model)) # Execute pci_add (should be replaced by a proper monitor method call) add_output = vm.monitor.cmd(pci_add_cmd) if not "OK domain" in add_output: raise error.TestFail("Add PCI device failed. " "Monitor command is: %s, Output: %r" % (pci_add_cmd, add_output)) after_add = vm.monitor.info("pci") elif cmd_type == "device_add": driver_id = test_type + "-" + virt_utils.generate_random_id() device_id = test_type + "-" + virt_utils.generate_random_id() if test_type == "nic": if tested_model == "virtio": tested_model = "virtio-net-pci" pci_add_cmd = "device_add id=%s,driver=%s" % (device_id, tested_model) elif test_type == "block": image_params = params.object_params("stg") image_filename = virt_vm.get_image_filename( image_params, test.bindir) controller_model = None if tested_model == "virtio": tested_model = "virtio-blk-pci" if tested_model == "scsi": tested_model = "scsi-disk" controller_model = "lsi53c895a" if len(re.findall(controller_model, devices_support)) == 0: raise error.TestError("scsi controller device (%s) not " "supported by qemu" % controller_model) if controller_model is not None: controller_id = "controller-" + device_id controller_add_cmd = ("device_add %s,id=%s" % (controller_model, controller_id)) vm.monitor.cmd(controller_add_cmd) if drive_cmd_type == "drive_add": driver_add_cmd = ("drive_add auto " "file=%s,if=none,id=%s,format=%s" % (image_filename, driver_id, image_format)) elif drive_cmd_type == "__com.redhat_drive_add": driver_add_cmd = ("__com.redhat_drive_add " "file=%s,format=%s,id=%s" % (image_filename, image_format, driver_id)) pci_add_cmd = ("device_add id=%s,driver=%s,drive=%s" % (device_id, tested_model, driver_id)) vm.monitor.cmd(driver_add_cmd) # Check if the device is support in qemu if len(re.findall(tested_model, devices_support)) > 0: add_output = vm.monitor.cmd(pci_add_cmd) else: raise error.TestError("%s doesn't support device: %s" % (cmd_type, tested_model)) after_add = vm.monitor.info("pci") if not device_id in after_add: raise error.TestFail("Add device failed. Monitor command is: %s" ". Output: %r" % (pci_add_cmd, add_output)) # Define a helper function to delete the device def pci_del(ignore_failure=False): if cmd_type == "pci_add": result_domain, bus, slot, function = add_output.split(',') domain = int(result_domain.split()[2]) bus = int(bus.split()[1]) slot = int(slot.split()[1]) pci_addr = "%x:%x:%x" % (domain, bus, slot) cmd = "pci_del pci_addr=%s" % pci_addr elif cmd_type == "device_add": cmd = "device_del %s" % device_id # This should be replaced by a proper monitor method call vm.monitor.cmd(cmd) def device_removed(): after_del = vm.monitor.info("pci") return after_del != after_add if (not virt_utils.wait_for(device_removed, 10, 0, 1) and not ignore_failure): raise error.TestFail("Failed to hot remove PCI device: %s. " "Monitor command: %s" % (tested_model, cmd)) try: # Compare the output of 'info pci' if after_add == info_pci_ref: raise error.TestFail("No new PCI device shown after executing " "monitor command: 'info pci'") # Define a helper function to compare the output def new_shown(): o = session.cmd_output(params.get("reference_cmd")) return o != reference secs = int(params.get("wait_secs_for_hook_up")) if not virt_utils.wait_for(new_shown, 30, secs, 3): raise error.TestFail("No new device shown in output of command " "executed inside the guest: %s" % params.get("reference_cmd")) # Define a helper function to catch PCI device string def find_pci(): o = session.cmd_output(params.get("find_pci_cmd")) return params.get("match_string") in o if not virt_utils.wait_for(find_pci, 30, 3, 3): raise error.TestFail( "PCI %s %s device not found in guest. " "Command was: %s" % (tested_model, test_type, params.get("find_pci_cmd"))) # Test the newly added device try: session.cmd(params.get("pci_test_cmd")) except aexpect.ShellError, e: raise error.TestFail("Check for %s device failed after PCI " "hotplug. Output: %r" % (test_type, e.output)) session.close()