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1#!/usr/bin/python3 

2# 

3# Copyright (C) Citrix Systems Inc. 

4# 

5# This program is free software; you can redistribute it and/or modify 

6# it under the terms of the GNU Lesser General Public License as published 

7# by the Free Software Foundation; version 2.1 only. 

8# 

9# This program is distributed in the hope that it will be useful, 

10# but WITHOUT ANY WARRANTY; without even the implied warranty of 

11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

12# GNU Lesser General Public License for more details. 

13# 

14# You should have received a copy of the GNU Lesser General Public License 

15# along with this program; if not, write to the Free Software Foundation, Inc., 

16# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 

17# 

18# LVHDoFCoESR: LVHD over Fibre Channel over Ethernet driver 

19# 

20 

21import SR 

22import LVHDoHBASR 

23import LVHDSR 

24import SRCommand 

25import sys 

26import xs_errors 

27import util 

28 

29CAPABILITIES = ["SR_PROBE", "SR_UPDATE", "SR_METADATA", "SR_TRIM", 

30 "VDI_CREATE", "VDI_DELETE", "VDI_ATTACH", "VDI_DETACH", 

31 "VDI_GENERATE_CONFIG", "VDI_SNAPSHOT", "VDI_CLONE", 

32 "VDI_RESIZE", "ATOMIC_PAUSE", "VDI_RESET_ON_BOOT/2", 

33 "VDI_UPDATE", "VDI_MIRROR", "VDI_CONFIG_CBT", "VDI_ACTIVATE", 

34 "VDI_DEACTIVATE"] 

35 

36CONFIGURATION = [['SCSIid', 'The scsi_id of the destination LUN'], 

37 ['allocation', 'Valid values are thick or thin(optional,\ 

38 defaults to thick)']] 

39 

40DRIVER_INFO = { 

41 'name': 'LVHD over FCoE', 

42 'description': 'SR plugin which represents disks as VHDs on Logical \ 

43 Volumes within a Volume Group created on a FCoE LUN', 

44 'vendor': 'Citrix Systems Inc', 

45 'copyright': '(C) 2015 Citrix Systems Inc', 

46 'driver_version': '1.0', 

47 'required_api_version': '1.0', 

48 'capabilities': CAPABILITIES, 

49 'configuration': CONFIGURATION 

50} 

51 

52 

53class LVHDoFCoESR(LVHDoHBASR.LVHDoHBASR): 

54 

55 """LVHD over FCoE storage repository""" 

56 

57 def handles(type): 

58 if __name__ == '__main__': 

59 name = sys.argv[0] 

60 else: 

61 name = __name__ 

62 if name.endswith("LVMoFCoESR"): 

63 return type == "lvmofcoe" # for the initial switch from LVM 

64 if type == "lvhdofcoe": 

65 return True 

66 return False 

67 handles = staticmethod(handles) 

68 

69 def load(self, sr_uuid): 

70 driver = SR.driver('hba') 

71 if 'type' not in self.original_srcmd.params['device_config'] or \ 71 ↛ 75line 71 didn't jump to line 75, because the condition on line 71 was never false

72 'type' in self.original_srcmd.params['device_config'] and \ 

73 self.original_srcmd.dconf['type'] == "any": 

74 self.original_srcmd.dconf['type'] = "fcoe" 

75 self.hbasr = driver(self.original_srcmd, sr_uuid) 

76 pbd = None 

77 try: 

78 pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref) 

79 except: 

80 pass 

81 

82 if 'SCSIid' not in self.dconf or not self.dconf['SCSIid']: 

83 print(self.hbasr.print_devs(), file=sys.stderr) 

84 raise xs_errors.XenError('ConfigSCSIid') 

85 

86 self.SCSIid = self.dconf['SCSIid'] 

87 LVHDSR.LVHDSR.load(self, sr_uuid) 

88 

89 def vdi(self, uuid): 

90 return LVHDoFCoEVDI(self, uuid) 

91 

92 

93class LVHDoFCoEVDI(LVHDoHBASR.LVHDoHBAVDI): 

94 pass 

95 

96if __name__ == '__main__': 96 ↛ 97line 96 didn't jump to line 97, because the condition on line 96 was never true

97 SRCommand.run(LVHDoFCoESR, DRIVER_INFO) 

98else: 

99 SR.registerSR(LVHDoFCoESR)