mirror of
https://github.com/retspen/webvirtcloud
synced 2024-10-31 19:44:16 +00:00
fix instance create error handling
This commit is contained in:
catborise
parent
6d52587e60
commit
83ba6da572
2 changed files with 163 additions and 164 deletions
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@ -1242,186 +1242,184 @@ def create_instance(request, compute_id, arch, machine):
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flavors = Flavor.objects.filter().order_by('id')
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appsettings = AppSettings.objects.all()
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conn = wvmCreate(compute.hostname, compute.login, compute.password, compute.type)
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try:
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conn = wvmCreate(compute.hostname, compute.login, compute.password, compute.type)
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default_firmware = app_settings.INSTANCE_FIRMWARE_DEFAULT_TYPE
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default_cpu_mode = app_settings.INSTANCE_CPU_DEFAULT_MODE
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instances = conn.get_instances()
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videos = conn.get_video_models(arch, machine)
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cache_modes = sorted(conn.get_cache_modes().items())
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default_cache = app_settings.INSTANCE_VOLUME_DEFAULT_CACHE
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default_io = app_settings.INSTANCE_VOLUME_DEFAULT_IO
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default_zeroes = app_settings.INSTANCE_VOLUME_DEFAULT_DETECT_ZEROES
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default_discard = app_settings.INSTANCE_VOLUME_DEFAULT_DISCARD
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default_disk_format = app_settings.INSTANCE_VOLUME_DEFAULT_FORMAT
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default_disk_owner_uid = int(app_settings.INSTANCE_VOLUME_DEFAULT_OWNER_UID)
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default_disk_owner_gid = int(app_settings.INSTANCE_VOLUME_DEFAULT_OWNER_GID)
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default_scsi_disk_model = app_settings.INSTANCE_VOLUME_DEFAULT_SCSI_CONTROLLER
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listener_addr = settings.QEMU_CONSOLE_LISTEN_ADDRESSES
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mac_auto = util.randomMAC()
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disk_devices = conn.get_disk_device_types(arch, machine)
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disk_buses = conn.get_disk_bus_types(arch, machine)
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default_bus = app_settings.INSTANCE_VOLUME_DEFAULT_BUS
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networks = sorted(conn.get_networks())
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nwfilters = conn.get_nwfilters()
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storages = sorted(conn.get_storages(only_actives=True))
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default_graphics = app_settings.QEMU_CONSOLE_DEFAULT_TYPE
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default_firmware = app_settings.INSTANCE_FIRMWARE_DEFAULT_TYPE
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default_cpu_mode = app_settings.INSTANCE_CPU_DEFAULT_MODE
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instances = conn.get_instances()
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videos = conn.get_video_models(arch, machine)
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cache_modes = sorted(conn.get_cache_modes().items())
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default_cache = app_settings.INSTANCE_VOLUME_DEFAULT_CACHE
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default_io = app_settings.INSTANCE_VOLUME_DEFAULT_IO
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default_zeroes = app_settings.INSTANCE_VOLUME_DEFAULT_DETECT_ZEROES
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default_discard = app_settings.INSTANCE_VOLUME_DEFAULT_DISCARD
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default_disk_format = app_settings.INSTANCE_VOLUME_DEFAULT_FORMAT
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default_disk_owner_uid = int(app_settings.INSTANCE_VOLUME_DEFAULT_OWNER_UID)
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default_disk_owner_gid = int(app_settings.INSTANCE_VOLUME_DEFAULT_OWNER_GID)
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default_scsi_disk_model = app_settings.INSTANCE_VOLUME_DEFAULT_SCSI_CONTROLLER
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listener_addr = settings.QEMU_CONSOLE_LISTEN_ADDRESSES
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mac_auto = util.randomMAC()
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disk_devices = conn.get_disk_device_types(arch, machine)
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disk_buses = conn.get_disk_bus_types(arch, machine)
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default_bus = app_settings.INSTANCE_VOLUME_DEFAULT_BUS
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networks = sorted(conn.get_networks())
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nwfilters = conn.get_nwfilters()
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storages = sorted(conn.get_storages(only_actives=True))
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default_graphics = app_settings.QEMU_CONSOLE_DEFAULT_TYPE
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dom_caps = conn.get_dom_capabilities(arch, machine)
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caps = conn.get_capabilities(arch)
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dom_caps = conn.get_dom_capabilities(arch, machine)
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caps = conn.get_capabilities(arch)
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virtio_support = conn.is_supports_virtio(arch, machine)
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hv_supports_uefi = conn.supports_uefi_xml(dom_caps["loader_enums"])
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# Add BIOS
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label = conn.label_for_firmware_path(arch, None)
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if label: firmwares.append(label)
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# Add UEFI
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loader_path = conn.find_uefi_path_for_arch(arch, dom_caps["loaders"])
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label = conn.label_for_firmware_path(arch, loader_path)
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if label: firmwares.append(label)
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firmwares = list(set(firmwares))
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virtio_support = conn.is_supports_virtio(arch, machine)
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hv_supports_uefi = conn.supports_uefi_xml(dom_caps["loader_enums"])
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# Add BIOS
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label = conn.label_for_firmware_path(arch, None)
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if label: firmwares.append(label)
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# Add UEFI
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loader_path = conn.find_uefi_path_for_arch(arch, dom_caps["loaders"])
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label = conn.label_for_firmware_path(arch, loader_path)
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if label: firmwares.append(label)
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firmwares = list(set(firmwares))
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flavor_form = FlavorForm()
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flavor_form = FlavorForm()
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if conn:
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if not storages:
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msg = _("You haven't defined any storage pools")
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messages.error(request, msg)
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if not networks:
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msg = _("You haven't defined any network pools")
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messages.error(request, msg)
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if conn:
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if not storages:
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raise libvirtError(_("You haven't defined any storage pools"))
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if not networks:
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raise libvirtError(_("You haven't defined any network pools"))
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if request.method == 'POST':
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if 'create' in request.POST:
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firmware = dict()
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volume_list = list()
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is_disk_created = False
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clone_path = ""
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form = NewVMForm(request.POST)
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if form.is_valid():
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data = form.cleaned_data
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if data['meta_prealloc']:
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meta_prealloc = True
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if instances:
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if data['name'] in instances:
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msg = _("A virtual machine with this name already exists")
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messages.error(request, msg)
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if Instance.objects.filter(name__exact=data['name']):
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messages.warning(request, _("There is an instance with same name. Are you sure?"))
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if data['hdd_size']:
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if not data['mac']:
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error_msg = _("No Virtual Machine MAC has been entered")
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messages.error(request, msg)
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else:
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path = conn.create_volume(data['storage'], data['name'], data['hdd_size'], default_disk_format,
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meta_prealloc, default_disk_owner_uid, default_disk_owner_gid)
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volume = dict()
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volume['device'] = 'disk'
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volume['path'] = path
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volume['type'] = conn.get_volume_type(path)
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volume['cache_mode'] = data['cache_mode']
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volume['bus'] = default_bus
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if volume['bus'] == 'scsi':
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volume['scsi_model'] = default_scsi_disk_model
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volume['discard_mode'] = default_discard
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volume['detect_zeroes_mode'] = default_zeroes
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volume['io_mode'] = default_io
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if request.method == 'POST':
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if 'create' in request.POST:
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firmware = dict()
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volume_list = list()
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is_disk_created = False
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clone_path = ""
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form = NewVMForm(request.POST)
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if form.is_valid():
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data = form.cleaned_data
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if data['meta_prealloc']:
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meta_prealloc = True
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if instances:
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if data['name'] in instances:
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raise libvirtError(_("A virtual machine with this name already exists"))
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if Instance.objects.filter(name__exact=data['name']):
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raise libvirtError(_("There is an instance with same name. Remove it and try again!"))
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volume_list.append(volume)
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is_disk_created = True
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elif data['template']:
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templ_path = conn.get_volume_path(data['template'])
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dest_vol = conn.get_volume_path(data["name"] + ".img", data['storage'])
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if dest_vol:
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error_msg = _("Image has already exist. Please check volumes or change instance name")
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messages.error(request, error_msg)
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else:
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clone_path = conn.clone_from_template(data['name'], templ_path, data['storage'], meta_prealloc,
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default_disk_owner_uid, default_disk_owner_gid)
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volume = dict()
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volume['path'] = clone_path
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volume['type'] = conn.get_volume_type(clone_path)
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volume['device'] = 'disk'
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volume['cache_mode'] = data['cache_mode']
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volume['bus'] = default_bus
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if volume['bus'] == 'scsi':
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volume['scsi_model'] = default_scsi_disk_model
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volume['discard_mode'] = default_discard
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volume['detect_zeroes_mode'] = default_zeroes
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volume['io_mode'] = default_io
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volume_list.append(volume)
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is_disk_created = True
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else:
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if not data['images']:
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error_msg = _("First you need to create or select an image")
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messages.error(request, error_msg)
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else:
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for idx, vol in enumerate(data['images'].split(',')):
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path = conn.get_volume_path(vol)
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if data['hdd_size']:
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if not data['mac']:
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raise libvirtError(_("No Virtual Machine MAC has been entered"))
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else:
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path = conn.create_volume(data['storage'], data['name'], data['hdd_size'], default_disk_format,
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meta_prealloc, default_disk_owner_uid, default_disk_owner_gid)
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volume = dict()
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volume['device'] = 'disk'
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volume['path'] = path
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volume['type'] = conn.get_volume_type(path)
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volume['device'] = request.POST.get('device' + str(idx), '')
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volume['bus'] = request.POST.get('bus' + str(idx), '')
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volume['cache_mode'] = data['cache_mode']
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volume['bus'] = default_bus
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if volume['bus'] == 'scsi':
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volume['scsi_model'] = default_scsi_disk_model
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volume['cache_mode'] = data['cache_mode']
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volume['discard_mode'] = default_discard
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volume['detect_zeroes_mode'] = default_zeroes
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volume['io_mode'] = default_io
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volume_list.append(volume)
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if data['cache_mode'] not in conn.get_cache_modes():
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error_msg = _("Invalid cache mode")
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messages.error(request ,error_msg)
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is_disk_created = True
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if 'UEFI' in data["firmware"]:
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firmware["loader"] = data["firmware"].split(":")[1].strip()
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firmware["secure"] = 'no'
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firmware["readonly"] = 'yes'
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firmware["type"] = 'pflash'
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if 'secboot' in firmware["loader"] and machine != 'q35':
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messages.warning(
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request, "Changing machine type from '%s' to 'q35' "
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"which is required for UEFI secure boot." % machine)
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machine = 'q35'
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firmware["secure"] = 'yes'
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elif data['template']:
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templ_path = conn.get_volume_path(data['template'])
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dest_vol = conn.get_volume_path(data["name"] + ".img", data['storage'])
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if dest_vol:
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raise libvirtError(_("Image has already exist. Please check volumes or change instance name"))
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else:
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clone_path = conn.clone_from_template(data['name'], templ_path, data['storage'], meta_prealloc,
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default_disk_owner_uid, default_disk_owner_gid)
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volume = dict()
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volume['path'] = clone_path
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volume['type'] = conn.get_volume_type(clone_path)
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volume['device'] = 'disk'
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volume['cache_mode'] = data['cache_mode']
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volume['bus'] = default_bus
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if volume['bus'] == 'scsi':
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volume['scsi_model'] = default_scsi_disk_model
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volume['discard_mode'] = default_discard
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volume['detect_zeroes_mode'] = default_zeroes
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volume['io_mode'] = default_io
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uuid = util.randomUUID()
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try:
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conn.create_instance(name=data['name'],
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memory=data['memory'],
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vcpu=data['vcpu'],
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vcpu_mode=data['vcpu_mode'],
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uuid=uuid,
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arch=arch,
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machine=machine,
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firmware=firmware,
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volumes=volume_list,
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networks=data['networks'],
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virtio=data['virtio'],
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listen_addr=data["listener_addr"],
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nwfilter=data["nwfilter"],
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graphics=data["graphics"],
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video=data["video"],
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console_pass=data["console_pass"],
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mac=data['mac'],
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qemu_ga=data['qemu_ga'])
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create_instance = Instance(compute_id=compute_id, name=data['name'], uuid=uuid)
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create_instance.save()
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msg = _("Instance is created")
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messages.success(request, msg)
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addlogmsg(request.user.username, create_instance.name, msg)
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return redirect(reverse('instances:instance', args=[create_instance.id]))
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except libvirtError as lib_err:
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if data['hdd_size'] or len(volume_list) > 0:
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if is_disk_created:
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for vol in volume_list:
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conn.delete_volume(vol['path'])
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messages.error(request, lib_err)
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conn.close()
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volume_list.append(volume)
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is_disk_created = True
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else:
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if not data['images']:
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raise libvirtError(_("First you need to create or select an image"))
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else:
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for idx, vol in enumerate(data['images'].split(',')):
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path = conn.get_volume_path(vol)
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volume = dict()
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volume['path'] = path
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volume['type'] = conn.get_volume_type(path)
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volume['device'] = request.POST.get('device' + str(idx), '')
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volume['bus'] = request.POST.get('bus' + str(idx), '')
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if volume['bus'] == 'scsi':
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volume['scsi_model'] = default_scsi_disk_model
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volume['cache_mode'] = data['cache_mode']
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volume['discard_mode'] = default_discard
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volume['detect_zeroes_mode'] = default_zeroes
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volume['io_mode'] = default_io
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volume_list.append(volume)
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if data['cache_mode'] not in conn.get_cache_modes():
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error_msg = _("Invalid cache mode")
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raise libvirtError
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if 'UEFI' in data["firmware"]:
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firmware["loader"] = data["firmware"].split(":")[1].strip()
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firmware["secure"] = 'no'
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firmware["readonly"] = 'yes'
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firmware["type"] = 'pflash'
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if 'secboot' in firmware["loader"] and machine != 'q35':
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messages.warning(
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request, "Changing machine type from '%s' to 'q35' "
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"which is required for UEFI secure boot." % machine)
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machine = 'q35'
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firmware["secure"] = 'yes'
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uuid = util.randomUUID()
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try:
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conn.create_instance(name=data['name'],
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memory=data['memory'],
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vcpu=data['vcpu'],
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vcpu_mode=data['vcpu_mode'],
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uuid=uuid,
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arch=arch,
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machine=machine,
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firmware=firmware,
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volumes=volume_list,
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networks=data['networks'],
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virtio=data['virtio'],
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listen_addr=data["listener_addr"],
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nwfilter=data["nwfilter"],
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graphics=data["graphics"],
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video=data["video"],
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console_pass=data["console_pass"],
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mac=data['mac'],
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qemu_ga=data['qemu_ga'])
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create_instance = Instance(compute_id=compute_id, name=data['name'], uuid=uuid)
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create_instance.save()
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msg = _("Instance is created")
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messages.success(request, msg)
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addlogmsg(request.user.username, create_instance.name, msg)
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return redirect(reverse('instances:instance', args=[create_instance.id]))
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except libvirtError as lib_err:
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if data['hdd_size'] or len(volume_list) > 0:
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if is_disk_created:
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for vol in volume_list:
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conn.delete_volume(vol['path'])
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messages.error(request, lib_err)
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conn.close()
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except libvirtError as lib_err:
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messages.error(request, lib_err)
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return render(request, 'create_instance_w2.html', locals())
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@ -283,6 +283,10 @@ class wvmCreate(wvmConnect):
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else:
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xml += """<target dev='sd%s'/>""" % sd_disk_letters.pop(0)
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xml += """</disk>"""
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if volume.get('bus') == 'scsi':
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xml += f"""<controller type='scsi' model='{volume.get('scsi_model')}'/>"""
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if add_cd:
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xml += """<disk type='file' device='cdrom'>
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<driver name='qemu' type='raw'/>
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@ -298,9 +302,6 @@ class wvmCreate(wvmConnect):
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xml += """<target dev='vd%s' bus='%s'/>""" % (vd_disk_letters.pop(0), 'virtio')
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xml += """</disk>"""
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if volume.get('bus') == 'scsi':
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xml += f"""<controller type='scsi' model='{volume.get('scsi_model')}'/>"""
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for net in networks.split(','):
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xml += """<interface type='network'>"""
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if mac:
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