1 #!/usr/bin/python

2

3

4 # External variables:

5 # * network

6 # * domain

7

8 import sys

9

10 sys.path.append('/etc/xen')

11 try:

12 exec 'from %s import *' % (network)

13 except:

14 print "Can't find or interpret module %s with topology description" %(network)

15 sys.exit(1)

16

17 name=domain

18 N = domains.index(domain)

19

20 if domain_types[N] == 'hvm':

21 kernel='hvmloader'

22 builder='hvm'

23 device_model='qemu-dm'

24 boot='c'

25 sdl=0

26 vnc=1

27 vncconsole=0

28 stdvga=0

29 serial='pty'

30

31 memory=mem_table[domain]

32 vcpus=vcpus_table[domain]

33

34 disk=[]

35 if domain_types[N] == 'hvm':

36 letters='abcdefghijklmnopqrstuvwxyz'

37 i=0

38 for disk_description in disk_table[domain]:

39 i+=1

40 if disk_description.find(":") == -1:

41 disk.append('phy:/dev/drbd/%s,hd%s,w' % (domain,letters[i-1]) )

42 else:

43 disk.append('phy:/dev/drbd/%s,hd%s,w' % ((disk_description.split(':'))[1],letters[i-1]) )

44 else:

45 i=0

46 for disk_description in disk_table[domain]:

47 i+=1

48 if disk_description.find(":") == -1:

49 disk.append('phy:/dev/drbd/%s,hda%s,w' % (domain,i) )

50 else:

51 disk.append('phy:/dev/drbd/%s,hda%s,w' % ((disk_description.split(':'))[1],i) )

52

53 vif=[]

54 vbridges = vbridges_table[domain]

55 x=1

56 for i in vbridges:

57 if domain_types[N] == 'hvm':

58 vif.append('type=ioemu, bridge='+i+',mac=00:16:3e:01:'+hex(int(N))[2:]+':'+hex(int('c0',16)+x)[2:])

59 else:

60 vif.append('bridge='+i+',mac=00:16:3e:01:'+hex(int(N))[2:]+':'+hex(int('c0',16)+x)[2:])

61 x+=1

62

63

64 root="/dev/hda1 ro"

65 extra=""

66

67 def print_config():

68 if domain_types[N] == 'hvm':

69 print "name = \"%s\""% name

70 print "kernel = \"%s\""% kernel

71 print "builder = \"%s\""% builder

72 print "memory = %s"% memory

73 print "device_model=\"%s\"" % device_model

74 print "vcpus = %s"% vcpus

75 print "disk =", disk

76 print "vif =", vif

77 print "boot=\"%s\""%boot

78 print "sdl=%s"%sdl

79 print "vnc=%s"%vnc

80 print "vncconsole=%s"%vncconsole

81 print "stdvga=%s"%stdvga

82 print "serial=\"%s\""%serial

83 else:

84 print "name = \"%s\""% name

85 print "kernel = \"%s\""% kernel

86 print "ramdisk = \"%s\""% ramdisk

87 print "memory = %s"% memory

88 print "vcpus = %s"% vcpus

89 print "disk =", disk

90 print "vif =", vif

91 print "root = \"%s\""% root

92 print "extra = \"%s\""% extra

93 # else:

94