1 ####

2 #

3 # External variables:

4 # * network

5 # * domain

6

7 try:

8 domain

9 except NameError:

10 import sys

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

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

13

14 import os

15

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 #try:

30 # domains

31 #except:

32 # domains=[]

33

34

35 domains_brief=[]

36 domain_types=[]

37 domain_notes=[]

38 domain_subtypes=[]

39 hidden_bridges = []

40 broken_links = []

41 temporary_links = []

42 cross_bridges=[]

43 real_bridges=[]

44 real_nodes=[]

45 connection_table={}

46

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

48

49 # overriden by network config

50 ############################

51

52 def process_domains_brief():

53 # import sre

54 #global domains_brief, domains, domain_types, real_nodes, domain_notes, domain_subtypes

55 if len(domains_brief) >0 :

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

57 if len(domains)==0:

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

59 if len(domain_types)==0:

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

61 if len(domain_subtypes)==0:

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

63 if len(real_nodes)==0:

64 i=0

65 for brief in domains_brief:

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

67 real_nodes.append(domains[i])

68 i+=1

69 if len(domain_notes)==0:

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

71

72 ############################

73 #try:

74 #except:

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

76 # sys.exit(1)

77

78 #process_domains_brief()

79

80 N = domains.index(domain)

81 name=domain

82

83 pae=1

84 if pae:

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

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

87 else:

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

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

90

91 #builder='linux'

92 cpu_cap = 10

93

94 hvm = 0

95 if domain_types[N] in ['freebsd','windows']:

96 hvm = 1

97

98 if hvm:

99 kernel = "hvmloader"

100 builder='hvm'

101 shadow_memory = 8

102 device_model = 'qemu-dm'

103 boot="c"

104 sdl=0

105 vnc=1

106 vncpasswd=''

107 stdvga=0

108 serial='pty'

109 usb=1

110

111

112 for br in bridges:

113 if not br in vbridges_table.keys():

114 vbridges_table[br]=[]

115

116 for domain in domains:

117 if not domain in connection_table.keys():

118 connection_table[domain]='true'

119

120 vbridges = vbridges_table[name]

121

122 vif=[]

123 x=1

124 for i in vbridges:

125 if hvm:

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

127 else:

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

129 x+=1

130

131 if domain_types[N] in ['xenomips','quagga','dynamips','pixemu']:

132 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' ]

133 else:

134 if hvm:

135 if domain_types[N] == 'linux':

136 disk = [ 'file:/xen/xentaur-images/'+network+'/'+name+'.img,hda,w' ]

137 else:

138 disk = [ 'file:/xen/xentaur-images/'+network+'/'+name+'.img,hda,w', 'file:/xen/xentaur-images/'+network+'/'+name+'-disk2.img,hdb,w' ]

139

140 else:

141 disk = [ 'file:/xen/xentaur-images/'+network+'/'+name+'.img,hda1,w' ]

142

143 root = "/dev/hda1 ro"

144

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

146 memory = 64

147 elif domain_types[N] == 'linux':

148 memory = 550

149 else:

150 memory = 300

151

152 if len(domain_subtypes) >0 and domain_subtypes[N] != '' and platform == '':

153 platform=domain_subtypes[N]

154

155 if platform == '':

156 platform='7200'

157

158

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

160 extra = "quagga"

161 elif domain_types[N] == 'dynamips':

162 default_network_module={

163 '7200' : 'PA-FE-TX',

164 '3600' : 'NM-1FE-TX',

165 '3725' : 'NM-1FE-TX',

166 '3745' : 'NM-1FE-TX',

167 '2691' : 'NM-1FE-TX',

168 }

169

170 platform_option=""

171 if platform != '7200':

172 platform_option=' -P '+platform

173 npe_option=""

174 if platform == '7200':

175 npe_option=" -t "+npe_type

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

177 if platform != '7200':

178 mac_option =''

179

180 network_module=default_network_module[platform]

181

182 xenomips='dynamips /xenomips/ios/'+ios_name+platform_option+npe_option+mac_option

183 if platform== '7200':

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

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

186 else:

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

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

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

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

191 extra = "xenomips=\""+xenomips+"\""

192 elif domain_types[N] == 'pixemu':

193 xenomips="./pemu -net nic,vlan=1,macaddr=00:aa:00:00:02:01 -net pcap,vlan=1,ifname=eth0 -net nic,vlan=2,macaddr=00:aa:00:00:02:02 -net pcap,vlan=2,ifname=eth1 -serial stdio -m 128 FLASH"+' /xenomips/ios/'+ios_name

194 extra = "xenomips=\""+xenomips+"\""

195 else:

196 if not domain_types[N] in ['freebsd','windows','linux'] :

197 raise "Unknown domain type %s of domain %s " % (domain_types[N], domains[N])

198

199 on_poweroff = 'destroy'

200 on_reboot = 'restart'

201 on_crash = 'restart'

202