Mercurial > hg > Applications > virsh-wrapper

annotate newvm.py @ 25:1c4fb56f3cd5

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add extension .sh to libvirt
author taiki <taiki@cr.ie.u-ryukyu.ac.jp>
date Mon, 21 Jul 2014 12:14:12 -1000
parents e372e7648da0
children cfa197bad124
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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1 #!/usr/bin/python
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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2 # Used to create a vm from template
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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3 # By Curu Wong contact: prinbra(at)gmail(dot)com
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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4 import sys,os
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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5 from optparse import OptionParser
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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6 from virtinst.util import *
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7
3
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8 if sys.version_info < (2,5):
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9 import lxml.etree as ET
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10 else:
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11 import xml.etree.ElementTree as ET
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12
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13 # vm_name should be
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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14 # students/e10/e105730/01
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15 # teachers/kono/01
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16 # manager/name/01
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17 # guest/name/01
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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18 # bad name returns 1
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19 def ie_check_name(name):
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20 m=re.match('^students/e(\d\d)/e(\d\d)5\d\d\d/0[1-4]$',name)
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21 if m is not None:
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22 if m.group(1)==m.group(2):
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23 return 0
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24 else:
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25 return 1
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26 elif re.match('^teachers/[-a-z0-9]+/0[1-4]$',name):
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27 return 0
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28 elif re.match('^manager/[-a-z0-9]+/0[1-4]$',name):
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29 return 0
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30 elif re.match('^guest/[-a-z0-9]+/0[1-4]$',name):
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31 return 0
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32 else:
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33 return 1
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34
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35 # make necessary sub directory
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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36 # /etc/libvirt/qemu/teachers
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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37 # /var/log/libvirt/qemu/teachers
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38 # /var/run/libvirt/qemu/teachers
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39
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40 def ie_mkdir1(name):
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41 if not os.path.exists(name):
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42 os.makedirs(name);
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43
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44 def ie_mkdir(name):
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45 m=re.match('^(students/e\d\d/e\d\d5\d\d\d)/0[1-4]$',name)
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46 if m is None:
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47 m=re.match('^(teachers/[-a-z0-9]+)/0[1-4]$',name)
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48 if m is None:
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49 m=re.match('^(manager/[-a-z0-9]+)/0[1-4]$',name)
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50 if m is None:
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51 m=re.match('^(guest/[-a-z0-9]+)/0[1-4]$',name)
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52 if m is not None:
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53 dir=m.group(1)
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54 ie_mkdir1('/media/fcs/'+dir)
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55 ie_mkdir1('/usr/local/etc/libvirt/qemu/'+dir)
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56 ie_mkdir1('/usr/local/var/log/libvirt/qemu/'+dir)
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57 ie_mkdir1('/usr/local/var/run/libvirt/qemu/'+dir)
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58 ie_mkdir1('/usr/local/var/lib/libvirt/qemu/'+dir)
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59 os.system("/bin/chown "+os.getlogin()+" /media/fcs/"+dir)
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60
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61 parser = OptionParser();
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62 parser.add_option("-n", "--name", dest="name",
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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63 help="VM name");
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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64 parser.add_option("-c", "--config", dest="config",
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65 help="Template VM XML config file");
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66
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67 parser.add_option("-i", "--iso", dest="iso",
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68 help="When boot VM from ISO");
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69
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70 (options, args) = parser.parse_args();
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71
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72 if not options.name or not options.config:
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73 print "Usage %s -n name -c template_xml" % sys.argv[0]
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74 sys.exit(1)
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75
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76 config = ET.parse(options.config)
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77 vm_name = options.name
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78 print(options.config)
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79 if ie_check_name(vm_name):
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80 print "Bad vmname %s. Try students/e11/e115711/01 or teachers/kono/02" % vm_name
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81 sys.exit(1)
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82
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83 ie_mkdir(vm_name)
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84 name = config.find('name')
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85 name.text = vm_name
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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86 uuid = config.find('uuid')
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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87 uuid.text = uuidToString(randomUUID())
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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88 mac = config.find('devices/interface/mac')
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89 mac.attrib['address'] = randomMAC(type='qemu')
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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90 disk = config.find('devices/disk/source')
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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91 disk_old = disk.attrib['file']
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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92 disk_path = os.path.dirname(disk_old)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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93 disk_ext = os.path.splitext(disk_old)[1]
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94 disk_image = disk_path + '/' + vm_name + disk_ext
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95 disk.attrib['file'] = disk_image
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96
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97 if os.path.exists(vm_name + '.xml'):
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98 print "File %s.xml exists, abort" % vm_name
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99 sys.exit(1)
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100 config.write('/usr/local/etc/libvirt/qemu/' + vm_name + '.xml')
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101 print "Created vm config file %s.xml" % vm_name
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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102 print "Use disk image %s, you must create it from the template disk: %s" % (disk_image, disk_old)
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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103 print "Done!"