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 cross_bridges=[]

39

40 real_bridges=[]

41 real_nodes=[]

42 # overriden by network config

43 ############################

44

45 def process_domains_brief():

46 global domains, domain_types, real_nodes, domain_notes, domain_subtypes

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

48 if len(domains)==0:

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

50 if len(domain_types)==0:

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

52 if len(domain_subtypes)==0:

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

54 if len(real_nodes)==0:

55 i=0

56 for brief in domains_brief:

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

58 real_nodes.append(domains[i])

59 i+=1

60 if len(domain_notes)==0:

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

62

63 ############################

64 #try:

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

66 #except:

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

68 # sys.exit(1)

69

70 process_domains_brief()

71

72 N = domains.index(domain)

73 name=domain

74

75 pae=1

76 if pae:

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

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

79 else:

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

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

82

83 #builder='linux'

84 cpu_cap = 10

85

86

87

88

89 for br in bridges:

90 if not br in vbridges_table.keys():

91 vbridges_table[br]=[]

92

93 for domain in domains:

94 if not domain in connection_table.keys():

95 connection_table[domain]='true'

96

97 vbridges = vbridges_table[name]

98

99 vif=[]

100 x=1

101 for i in vbridges:

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

103 x+=1

104

105 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' ]

106 root = "/dev/hda1 ro"

107

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

109 memory = 64

110 else:

111 memory = 400

112

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

114 platform=domain_subtypes[N]

115

116 if platform == '':

117 platform='7200'

118 platform_option=""

119 if platform != '7200':

120 platform_option=' -P '+platform

121

122 npe_option=""

123 if platform == '7200':

124 npe_option=" -t "+npe_type

125

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

127 if platform != '7200':

128 mac_option =''

129

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

131

132 default_network_module={

133 '7200' : 'PA-FE-TX',

134 '3600' : 'NM-1FE-TX',

135 '3725' : 'NM-1FE-TX',

136 '3745' : 'NM-1FE-TX',

137 '2691' : 'NM-1FE-TX',

138 }

139 network_module=default_network_module[platform]

140

141 if platform== '7200':

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

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

144 else:

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

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

147

148

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

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

151

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

153 extra = "quagga"

154 else:

155 extra = "xenomips=\""+xenomips+"\""

156

157 on_poweroff = 'destroy'

158 on_reboot = 'restart'

159 on_crash = 'restart'

160