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1 #!/usr/bin/python
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2
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3
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4 # External variables:
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5 # * network
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6 # * domain
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7
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8 import sys
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9
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10 #sys.path.append('/etc/xen')
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11
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12 try:
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13 execfile('/etc/xen/'+network)
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14 except:
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15 print "Can't find or interpret module %s with topology description" %(network)
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16 sys.exit(1)
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17
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18 name=domain
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19 N = domains.index(domain)
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20
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21 if domain_types[N] == 'hvm':
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22 kernel='hvmloader'
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23 builder='hvm'
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24 device_model='qemu-dm'
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25 boot='c'
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26 sdl=0
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27 vnc=1
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28 stdvga=0
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29 serial='pty'
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30 localtime=0
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31 else:
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32 root="/dev/hda1 ro"
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33 extra=""
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34
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35 try:
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36 execfile('/etc/xen/'+network)
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37 except:
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38 print "Can't find or interpret module %s with topology description" %(network)
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39 sys.exit(1)
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40
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41 try:
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42 hvmloader
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43 except:
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44 hvmloader='hvmloader'
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45
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46 if domain_types[N] == 'hvm':
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47 kernel=hvmloader
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48 builder='hvm'
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49 try:
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50 del extra
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51 except:
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52 pass
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53 try:
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54 del root
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55 except:
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56 pass
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57 try:
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58 del ramdisk
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59 except:
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60 pass
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61
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62 try:
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63 memory=mem_table[domain]
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64 except:
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65 pass
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66
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67 try:
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68 vcpus=vcpus_table[domain]
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69 except:
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70 pass
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71
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72 disk=[]
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73 if domain_types[N] == 'hvm':
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74 letters='abcdefghijklmnopqrstuvwxyz'
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75 i=0
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76 for disk_description in disk_table[domain]:
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77 i+=1
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78 if disk_description.find(":") == -1:
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79 disk_name=disk_description
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80 if disk_name.find("=") == -1:
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81 disk.append('phy:/dev/drbd/%s,hd%s,w' % (domain,letters[i-1]) )
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82 else:
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83 disk.append('phy:/dev/drbd/%s,%s,w' % (domain,(disk_name.split("="))[1]) )
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84 else:
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85 disk_name=(disk_description.split(':'))[0]
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86 if disk_name.find("=") == -1:
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87 disk.append('phy:/dev/drbd/%s,hd%s,w' % ((disk_description.split(':'))[1],letters[i-1]) )
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88 else:
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89 disk.append('phy:/dev/drbd/%s,%s,w' % ((disk_description.split(':'))[1],(disk_name.split("="))[1]) )
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90
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91 else:
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92 i=0
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93 for disk_description in disk_table[domain]:
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94 i+=1
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95 if disk_description.find(":") == -1:
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96 disk_name=disk_description
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97 if disk_name.find("=") == -1:
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98 disk.append('phy:/dev/drbd/%s,hda%s,w' % (domain,i) )
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99 else:
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100 disk.append('phy:/dev/drbd/%s,%s,w' % (domain,(disk_name.split("="))[1]) )
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101 else:
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102 disk_name=(disk_description.split(':'))[0]
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103 if disk_name.find("=") == -1:
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104 disk.append('phy:/dev/drbd/%s,hda%s,w' % ((disk_description.split(':'))[1],i) )
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105 else:
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106 disk.append('phy:/dev/drbd/%s,%s,w' % ((disk_description.split(':'))[1],(disk_name.split("="))[1]) )
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107
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108 vif=[]
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109 vbridges = vbridges_table[domain]
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110 x=1
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111 for i in vbridges:
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112 if domain_types[N] == 'hvm':
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113 vif.append('type=ioemu, bridge='+i+',mac=00:16:3e:01:'+hex(int(N))[2:]+':'+hex(int('c0',16)+x)[2:])
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114 else:
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115 vif.append('bridge='+i+',mac=00:16:3e:01:'+hex(int(N))[2:]+':'+hex(int('c0',16)+x)[2:])
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116 x+=1
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117
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118
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119
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120 def print_config():
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121 if domain_types[N] == 'hvm':
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122 print "name = \"%s\""% name
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123 print "kernel = \"%s\""% kernel
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124 print "builder = \"%s\""% builder
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125 print "memory = %s"% memory
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126 print "device_model=\"%s\"" % device_model
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127 print "vcpus = %s"% vcpus
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128 print "disk =", disk
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129 print "vif =", vif
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130 print "boot=\"%s\""%boot
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131 print "sdl=%s"%sdl
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132 print "vnc=%s"%vnc
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133 print "localtime=%s"%localtime
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134 print "stdvga=%s"%stdvga
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135 print "serial=\"%s\""%serial
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136 else:
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137 print "name = \"%s\""% name
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138 try:
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139 print "kernel = \"%s\""% kernel
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140 except:
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141 pass
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142 try:
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143 print "ramdisk = \"%s\""% ramdisk
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144 except:
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145 pass
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146 print "memory = %s"% memory
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147 print "vcpus = %s"% vcpus
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148 print "disk =", disk
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149 print "vif =", vif
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150 print "root = \"%s\""% root
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151 print "extra = \"%s\""% extra
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152 try:
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153 print "bootloader = \"%s\""% bootloader
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154 except:
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155 pass
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156
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157
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