xen-drbd

annotate xen-drbd-start.py @ 60:dd23766a87c6

Minor fixes. Hvmlaoder now can be specified by its path in the netowrk config file.
Also slightly changed drbdadm call
author igor@book.xt.vpn
date Thu Mar 19 19:42:41 2009 +0200 (2009-03-19)
parents 1f60cf97bcd9
children e005bb283f54
rev   line source
igor@0 1 #!/usr/bin/python
igor@0 2
igor@0 3
igor@0 4 # External variables:
igor@0 5 # * network
igor@0 6 # * domain
igor@0 7
igor@0 8 import sys
igor@0 9
igor@38 10 #sys.path.append('/etc/xen')
igor@38 11
igor@0 12 try:
igor@40 13 execfile('/etc/xen/'+network)
igor@0 14 except:
igor@0 15 print "Can't find or interpret module %s with topology description" %(network)
igor@0 16 sys.exit(1)
igor@0 17
igor@0 18 name=domain
igor@0 19 N = domains.index(domain)
igor@0 20
igor@31 21 if domain_types[N] == 'hvm':
igor@31 22 kernel='hvmloader'
igor@31 23 builder='hvm'
igor@31 24 device_model='qemu-dm'
igor@31 25 boot='c'
igor@31 26 sdl=0
igor@31 27 vnc=1
igor@31 28 stdvga=0
igor@31 29 serial='pty'
igor@47 30 localtime=0
igor@45 31 else:
igor@45 32 root="/dev/hda1 ro"
igor@45 33 extra=""
igor@45 34
igor@45 35 try:
igor@45 36 execfile('/etc/xen/'+network)
igor@45 37 except:
igor@45 38 print "Can't find or interpret module %s with topology description" %(network)
igor@45 39 sys.exit(1)
igor@0 40
igor@60 41 try:
igor@60 42 hvmloader
igor@60 43 except:
igor@60 44 hvmloader='hvmloader'
igor@60 45
igor@46 46 if domain_types[N] == 'hvm':
igor@60 47 kernel=hvmloader
igor@46 48 builder='hvm'
igor@46 49
igor@38 50 try:
igor@38 51 memory=mem_table[domain]
igor@38 52 except:
igor@38 53 pass
igor@38 54
igor@38 55 try:
igor@38 56 vcpus=vcpus_table[domain]
igor@38 57 except:
igor@38 58 pass
igor@0 59
igor@0 60 disk=[]
igor@32 61 if domain_types[N] == 'hvm':
igor@32 62 letters='abcdefghijklmnopqrstuvwxyz'
igor@32 63 i=0
igor@32 64 for disk_description in disk_table[domain]:
igor@32 65 i+=1
igor@32 66 if disk_description.find(":") == -1:
igor@36 67 disk_name=disk_description
igor@36 68 if disk_name.find("=") == -1:
igor@36 69 disk.append('phy:/dev/drbd/%s,hd%s,w' % (domain,letters[i-1]) )
igor@36 70 else:
igor@36 71 disk.append('phy:/dev/drbd/%s,%s,w' % (domain,(disk_name.split("="))[1]) )
igor@32 72 else:
igor@36 73 disk_name=(disk_description.split(':'))[0]
igor@36 74 if disk_name.find("=") == -1:
igor@36 75 disk.append('phy:/dev/drbd/%s,hd%s,w' % ((disk_description.split(':'))[1],letters[i-1]) )
igor@36 76 else:
igor@36 77 disk.append('phy:/dev/drbd/%s,%s,w' % ((disk_description.split(':'))[1],(disk_name.split("="))[1]) )
igor@36 78
igor@32 79 else:
igor@32 80 i=0
igor@32 81 for disk_description in disk_table[domain]:
igor@32 82 i+=1
igor@32 83 if disk_description.find(":") == -1:
igor@36 84 disk_name=disk_description
igor@36 85 if disk_name.find("=") == -1:
igor@36 86 disk.append('phy:/dev/drbd/%s,hda%s,w' % (domain,i) )
igor@36 87 else:
igor@36 88 disk.append('phy:/dev/drbd/%s,%s,w' % (domain,(disk_name.split("="))[1]) )
igor@32 89 else:
igor@36 90 disk_name=(disk_description.split(':'))[0]
igor@36 91 if disk_name.find("=") == -1:
igor@36 92 disk.append('phy:/dev/drbd/%s,hda%s,w' % ((disk_description.split(':'))[1],i) )
igor@36 93 else:
igor@36 94 disk.append('phy:/dev/drbd/%s,%s,w' % ((disk_description.split(':'))[1],(disk_name.split("="))[1]) )
igor@0 95
igor@0 96 vif=[]
igor@0 97 vbridges = vbridges_table[domain]
igor@0 98 x=1
igor@0 99 for i in vbridges:
igor@31 100 if domain_types[N] == 'hvm':
igor@31 101 vif.append('type=ioemu, bridge='+i+',mac=00:16:3e:01:'+hex(int(N))[2:]+':'+hex(int('c0',16)+x)[2:])
igor@31 102 else:
igor@31 103 vif.append('bridge='+i+',mac=00:16:3e:01:'+hex(int(N))[2:]+':'+hex(int('c0',16)+x)[2:])
igor@31 104 x+=1
igor@31 105
igor@0 106
igor@0 107
igor@0 108 def print_config():
igor@31 109 if domain_types[N] == 'hvm':
igor@31 110 print "name = \"%s\""% name
igor@31 111 print "kernel = \"%s\""% kernel
igor@31 112 print "builder = \"%s\""% builder
igor@31 113 print "memory = %s"% memory
igor@31 114 print "device_model=\"%s\"" % device_model
igor@31 115 print "vcpus = %s"% vcpus
igor@31 116 print "disk =", disk
igor@31 117 print "vif =", vif
igor@31 118 print "boot=\"%s\""%boot
igor@31 119 print "sdl=%s"%sdl
igor@31 120 print "vnc=%s"%vnc
igor@47 121 print "localtime=%s"%localtime
igor@31 122 print "stdvga=%s"%stdvga
igor@31 123 print "serial=\"%s\""%serial
igor@31 124 else:
igor@31 125 print "name = \"%s\""% name
igor@41 126 try:
igor@41 127 print "kernel = \"%s\""% kernel
igor@41 128 except:
igor@41 129 pass
igor@41 130 try:
igor@41 131 print "ramdisk = \"%s\""% ramdisk
igor@41 132 except:
igor@41 133 pass
igor@31 134 print "memory = %s"% memory
igor@31 135 print "vcpus = %s"% vcpus
igor@31 136 print "disk =", disk
igor@31 137 print "vif =", vif
igor@31 138 print "root = \"%s\""% root
igor@31 139 print "extra = \"%s\""% extra
igor@41 140 try:
igor@41 141 print "bootloader = \"%s\""% bootloader
igor@41 142 except:
igor@41 143 pass
igor@41 144
igor@31 145 # else:
igor@0 146