1 ####

2 #

3 # External variables:

4 # * network

5 # * domain

6

7

8 try:

9 domain

10 except NameError:

11 import sys

12 network=sys.modules['__main__'].network

13 domain=sys.modules['__main__'].domain

14

15 import os,re

16 sys.path.append(os.environ['HOME']+"/xentaur")

17 os.environ['xendomain']=domain

18

19

20

21

22 ############################

23 # default values:

24 platform=''

25 npe_type='npe-400'

26 bridge_bridge_table = {

27 }

28

29 domains_brief=[]

30 domains=[]

31 domain_types=[]

32 domain_notes=[]

33 domain_subtypes=[]

34

35 hidden_bridges = []

36 broken_links = []

37 temporary_links = []

38

39 real_bridges=[]

40 real_nodes=[]

41 # overriden by network config

42 ############################

43

44 def process_domains_brief():

45 global domains, domain_types, real_nodes, domain_notes, domain_subtypes

46 node_brief_re=re.compile('([a-zA-Z_0-9-]*)(?::([a-zA-Z_0-9-]*))?(?::([a-zA-Z_0-9-]*))?(\*?)(?:#(.*))?')

47 if len(domains)==0:

48 domains=map(lambda x:node_brief_re.search(x).groups()[0] or '', domains_brief)

49 if len(domain_types)==0:

50 domain_types=map(lambda x:node_brief_re.search(x).groups()[1] or '', domains_brief)

51 if len(domain_subtypes)==0:

52 domain_subtypes=map(lambda x:node_brief_re.search(x).groups()[2] or '', domains_brief)

53 if len(real_nodes)==0:

54 i=0

55 for brief in domains_brief:

56 if node_brief_re.search(brief).groups()[3] == '*':

57 real_nodes.append(domains[i])

58 i+=1

59 if len(domain_notes)==0:

60 domain_notes=map(lambda x:node_brief_re.search(x).groups()[4] or '', domains_brief)

61

62 ############################

63 #try:

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

65 #except:

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

67 # sys.exit(1)

68

69 process_domains_brief()

70

71 N = domains.index(domain)

72 name=domain

73

74 pae=1

75 if pae:

76 kernel = "/boot/vmlinuz-2.6.18-4-xen-686"

77 ramdisk = "/boot/initrd.img-2.6.18-4-xen-686"

78 else:

79 kernel = "/boot/vmlinuz-2.6.18-without-PAE-4-xen-686"

80 ramdisk = "/boot/initrd.img-2.6.18-without-PAE-4-xen-686-domU"

81

82 #builder='linux'

83 cpu_cap = 10

84

85

86

87

88 for br in bridges:

89 if not br in vbridges_table.keys():

90 vbridges_table[br]=[]

91

92 for domain in domains:

93 if not domain in connection_table.keys():

94 connection_table[domain]='true'

95

96 vbridges = vbridges_table[name]

97

98 vif=[]

99 x=1

100 for i in vbridges:

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

102 x+=1

103

104 disk = [ 'file:'+xenomips_dir+'xenomips1.img,hda1,r', 'file:'+xenomips_dir+'xenomips-ios1.img,hda2,r', 'file:'+xenomips_dir+'xenomips-config'+str(N)+'.img,hda3,w' ]

105 root = "/dev/hda1 ro"

106

107 if domain_types[N] == 'quagga':

108 memory = 64

109 else:

110 memory = 400

111

112 if domain_subtypes[N] != '' and platform == '':

113 platform=domain_subtypes[N]

114

115 if platform == '':

116 platform='7200'

117 platform_option=""

118 if platform != '7200':

119 platform_option=' -P '+platform

120

121 npe_option=""

122 if platform == '7200':

123 npe_option=" -t "+npe_type

124

125 mac_option=' -m 00:16:3e:01:'+hex(N)[2:]+':01'

126 if platform != '7200':

127 mac_option =''

128

129 xenomips='/xenomips/ios/'+ios_name+platform_option+npe_option+mac_option

130

131 default_network_module={

132 '7200' : 'PA-FE-TX',

133 '3600' : 'NM-1FE-TX',

134 '3725' : 'NM-1FE-TX',

135 '3745' : 'NM-1FE-TX',

136 '2691' : 'NM-1FE-TX',

137 }

138 network_module=default_network_module[platform]

139

140 if platform== '7200':

141 for i in range(len(vbridges)-1):

142 xenomips += ' -p '+str(i+1)+':'+network_module

143 else:

144 for i in range(len(vbridges)-1):

145 xenomips += ' -p '+str(i+1)+':'+network_module

146

147

148 for i in range(len(vbridges)):

149 xenomips += ' -s '+str(i)+':0:gen_eth:eth'+str(i)

150

151 if domain_types[N] == 'quagga':

152 extra = "quagga"

153 else:

154 extra = "xenomips=\""+xenomips+"\""

155

156 on_poweroff = 'destroy'

157 on_reboot = 'restart'

158 on_crash = 'restart'

159