def get(self, request, *args, **kwargs):
center_id = str_to_int_or_default(request.GET.get('center', 0), 0)
group_id = str_to_int_or_default(request.GET.get('group', 0), 0)
host_id = str_to_int_or_default(request.GET.get('host', 0), 0)
user_id = str_to_int_or_default(request.GET.get('user', 0), 0)
search = request.GET.get('search', '')
# 超级用户可以有用户下拉框选项
auth = request.user
if auth.is_superuser:
users = User.objects.all()
else: # 普通用户只能查看自己的虚拟机，无用户下拉框选项
users = None
user_id = auth.id
v_manager = VmManager()
try:
queryset = v_manager.filter_vms_queryset(center_id=center_id, group_id=group_id, host_id=host_id,
search=search, user_id=user_id, all_no_filters=auth.is_superuser)
except VmError as e:
return render(request, 'error.html', {'errors': ['查询虚拟机时错误',str(e)]})
queryset = queryset.prefetch_related('vdisk_set') # 反向预查询硬盘（避免多次访问数据库）
try:
c_manager = CenterManager()
g_manager = GroupManager()
centers = c_manager.get_center_queryset()
if center_id > 0:
groups = c_manager.get_group_queryset_by_center(center_id)
else:
groups = g_manager.get_group_queryset()
if group_id > 0:
hosts = g_manager.get_host_queryset_by_group(group_id)
else:
hosts = None
except ComputeError as e:
return render(request, 'error.html', {'errors': ['查询虚拟机时错误', str(e)]})
context = {'center_id': center_id if center_id > 0 else None, 'centers': centers, 'groups': groups,
'group_id': group_id if group_id > 0 else None, 'hosts': hosts,
'host_id': host_id if host_id > 0 else None, 'search': search, 'users': users, 'user_id': user_id}
context = self.get_vms_list_context(request, queryset, context)
return render(request, 'vms_list.html', context=context)
def get(self, request, *args, **kwargs):
center_id = str_to_int_or_default(request.GET.get('center', 0), 0)
group_id = str_to_int_or_default(request.GET.get('group', 0), 0)
host_id = str_to_int_or_default(request.GET.get('host', 0), 0)
type_id = str_to_int_or_default(request.GET.get('type', 0), 0)
search = request.GET.get('search', '')
user = request.user
c_manager = CenterManager()
g_manager = GroupManager()
p_manager = PCIDeviceManager()
p_manager._group_manager = g_manager
try:
queryset = p_manager.filter_pci_queryset(center_id=center_id, group_id=group_id, host_id=host_id,
search=search, type_id=type_id, user=user, all_no_filters=True)
except DeviceError as e:
return render(request, 'error.html', {'errors': ['查询PCI设备时错误', str(e)]})
try:
centers = c_manager.get_center_queryset()
if center_id > 0:
groups = c_manager.get_user_group_queryset_by_center(center_or_id=center_id, user=user)
else:
groups = c_manager.get_user_group_queryset(user=user)
if group_id > 0:
hosts = g_manager.get_host_queryset_by_group(group_id)
else:
hosts = None
except ComputeError as e:
return render(request, 'error.html', {'errors': ['查询PCI设备时错误', str(e)]})
context = {'center_id': center_id if center_id > 0 else None, 'centers': centers, 'groups': groups,
'group_id': group_id if group_id > 0 else None, 'hosts': hosts,
'host_id': host_id if host_id > 0 else None, 'search': search, 'types': PCIDevice.CHOICES_TYPE,
'type_id': type_id}
context = self.get_vms_list_context(request, queryset, context)
return render(request, 'pci_list.html', context=context)