Mercurial > hg > Applications > virsh-wrapper
annotate newvm.py @ 45:7f6c5d7355bc
Fix typo in xml attribute
| author | atton |
|---|---|
| date | Fri, 15 Jan 2016 15:22:10 +0900 |
| parents | 546504699402 |
| children | 6b1dddd65d7c |
| rev | line source |
|---|---|
| 3 | 1 #!/usr/bin/python |
| 2 # Used to create a vm from template | |
| 3 # By Curu Wong contact: prinbra(at)gmail(dot)com | |
| 32 | 4 import sys,os,string,re |
| 3 | 5 from optparse import OptionParser |
| 6 from virtinst.util import * | |
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7 |
| 3 | 8 if sys.version_info < (2,5): |
| 22 | 9 import lxml.etree as ET |
| 3 | 10 else: |
| 22 | 11 import xml.etree.ElementTree as ET |
| 12 | |
| 35 | 13 mount_point = '/media/iscsi/' # root directory |
| 32 | 14 |
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15 # vm_name should be |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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16 # students/e10/e105730/01 |
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17 # teachers/kono/01 |
| 29 | 18 # managers/name/01 |
| 19 # guests/name/01 | |
| 10 | 20 # bad name returns 1 |
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parents:
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21 def ie_check_name(name): |
| 32 | 22 m=re.match('^students/[ek](\d\d)/[ek](\d\d)[58]\d\d\d/0[1-4]$',name) |
| 22 | 23 if m is not None: |
| 24 if m.group(1)==m.group(2): | |
| 25 return 0 | |
| 26 else: | |
| 27 return 1 | |
| 28 elif re.match('^teachers/[-a-z0-9]+/0[1-4]$',name): | |
| 29 return 0 | |
| 29 | 30 elif re.match('^managers/[-a-z0-9]+/0[1-4]$',name): |
| 22 | 31 return 0 |
| 29 | 32 elif re.match('^guests/[-a-z0-9]+/0[1-4]$',name): |
| 23 | 33 return 0 |
| 22 | 34 else: |
| 35 return 1 | |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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36 |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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37 # make necessary sub directory |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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38 # /etc/libvirt/qemu/teachers |
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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39 # /var/log/libvirt/qemu/teachers |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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changeset
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40 # /var/run/libvirt/qemu/teachers |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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changeset
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41 |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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42 def ie_mkdir1(name): |
| 22 | 43 if not os.path.exists(name): |
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parents:
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44 os.makedirs(name); |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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45 |
| 32 | 46 |
| 47 # sample : students/e14/k145740/01 | |
| 48 # : master students/k13/k138582/01 | |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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49 def ie_mkdir(name): |
| 32 | 50 m=re.match('^(students/[ek]\d\d/[ek]\d\d[58]\d\d\d)/0[1-4]$',name) |
| 22 | 51 if m is None: |
| 52 m=re.match('^(teachers/[-a-z0-9]+)/0[1-4]$',name) | |
| 53 if m is None: | |
| 29 | 54 m=re.match('^(managers/[-a-z0-9]+)/0[1-4]$',name) |
| 23 | 55 if m is None: |
| 29 | 56 m=re.match('^(guests/[-a-z0-9]+)/0[1-4]$',name) |
| 22 | 57 if m is not None: |
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25c14d1144a8
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
3
diff
changeset
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58 dir=m.group(1) |
| 32 | 59 ie_mkdir1(mount_point+dir) |
| 29 | 60 # ie_mkdir1('/usr/local/etc/libvirt/qemu/'+dir) |
| 61 # ie_mkdir1('/usr/local/var/log/libvirt/qemu/'+dir) | |
| 62 # ie_mkdir1('/usr/local/var/run/libvirt/qemu/'+dir) | |
| 63 # ie_mkdir1('/usr/local/var/lib/libvirt/qemu/'+dir) | |
| 64 ie_mkdir1('/etc/libvirt/qemu/'+dir) | |
| 65 ie_mkdir1('/var/log/libvirt/qemu/'+dir) | |
| 66 ie_mkdir1('/var/run/libvirt/qemu/'+dir) | |
| 67 ie_mkdir1('/var/lib/libvirt/qemu/'+dir) | |
| 32 | 68 os.system("/bin/chown "+os.getlogin()+" "+ mount_point+dir) |
| 19 | 69 |
| 38 | 70 # virtinst.utils.randomMac is omitted from RHEL 7. |
| 71 import random | |
| 72 def randomMAC(): | |
| 73 mac = [ 0x52, 0x54, 0x00, | |
| 74 random.randint(0x00, 0xff), | |
| 75 random.randint(0x00, 0xff), | |
| 76 random.randint(0x00, 0xff) ] | |
| 77 return ':'.join(map(lambda x: "%02x" % x, mac)) | |
| 78 | |
| 43 | 79 def gen_debug_port(): |
| 80 return 10000 | |
| 81 | |
| 3 | 82 parser = OptionParser(); |
| 83 parser.add_option("-n", "--name", dest="name", | |
| 84 help="VM name"); | |
| 85 parser.add_option("-c", "--config", dest="config", | |
| 86 help="Template VM XML config file"); | |
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1c4fb56f3cd5
add extension .sh to libvirt
taiki <taiki@cr.ie.u-ryukyu.ac.jp>
parents:
24
diff
changeset
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87 parser.add_option("-i", "--iso", dest="iso", |
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1c4fb56f3cd5
add extension .sh to libvirt
taiki <taiki@cr.ie.u-ryukyu.ac.jp>
parents:
24
diff
changeset
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88 help="When boot VM from ISO"); |
| 42 | 89 parser.add_option("-d", "--debug", dest="debug", |
| 90 help="Kernel debug mode"); | |
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1c4fb56f3cd5
add extension .sh to libvirt
taiki <taiki@cr.ie.u-ryukyu.ac.jp>
parents:
24
diff
changeset
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91 |
| 3 | 92 (options, args) = parser.parse_args(); |
| 22 | 93 |
| 3 | 94 if not options.name or not options.config: |
| 42 | 95 print "Usage %s -n name -c template_xml [-d debug_port]" % sys.argv[0] |
| 22 | 96 sys.exit(1) |
| 97 | |
| 3 | 98 config = ET.parse(options.config) |
| 99 vm_name = options.name | |
| 19 | 100 print(options.config) |
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25c14d1144a8
add xml generation and define
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
3
diff
changeset
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101 if ie_check_name(vm_name): |
| 32 | 102 print "Can't make new vm. Bad vmname %s. Try 01 - 04" % vm_name |
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25c14d1144a8
add xml generation and define
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
3
diff
changeset
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103 sys.exit(1) |
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25
1c4fb56f3cd5
add extension .sh to libvirt
taiki <taiki@cr.ie.u-ryukyu.ac.jp>
parents:
24
diff
changeset
|
104 |
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6
25c14d1144a8
add xml generation and define
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
3
diff
changeset
|
105 ie_mkdir(vm_name) |
| 3 | 106 name = config.find('name') |
| 29 | 107 |
| 108 new_name = vm_name.translate(string.maketrans('/','_')) | |
| 109 | |
| 110 name.text = new_name | |
| 3 | 111 uuid = config.find('uuid') |
| 38 | 112 uuid.text = randomUUID(0) |
| 3 | 113 mac = config.find('devices/interface/mac') |
| 38 | 114 mac.attrib['address'] = randomMAC() |
| 3 | 115 disk = config.find('devices/disk/source') |
| 116 disk_old = disk.attrib['file'] | |
| 117 disk_path = os.path.dirname(disk_old) | |
| 118 disk_ext = os.path.splitext(disk_old)[1] | |
| 119 disk_image = disk_path + '/' + vm_name + disk_ext | |
| 120 disk.attrib['file'] = disk_image | |
| 42 | 121 if (options.debug): |
| 43 | 122 # http://wiki.libvirt.org/page/QEMUSwitchToLibvirt |
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Generate xml which enabled kernel debug. but needs reload in virsh
atton
parents:
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diff
changeset
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123 domain = config.getroot() |
| 45 | 124 domain.attrib['xmlns:qemu'] = "http://libvirt.org/schemas/domain/qemu/1.0" |
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546504699402
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atton
parents:
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diff
changeset
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125 qemu_elem = ET.Element('qemu:commandline') |
| 45 | 126 ET.SubElement(qemu_elem, 'qemu:arg', {'value' : '-S'}) |
| 127 ET.SubElement(qemu_elem, 'qemu:arg', {'value' : ('-s %d' % gen_debug_port())}) | |
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546504699402
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atton
parents:
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diff
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128 domain.append(qemu_elem) |
| 22 | 129 |
| 3 | 130 if os.path.exists(vm_name + '.xml'): |
| 22 | 131 print "File %s.xml exists, abort" % vm_name |
| 132 sys.exit(1) | |
| 29 | 133 # config.write('/usr/local/etc/libvirt/qemu/' + vm_name + '.xml') |
| 32 | 134 print("VM_NAME:" + vm_name) |
| 29 | 135 config.write('/etc/libvirt/qemu/' + vm_name + '.xml') |
| 3 | 136 print "Created vm config file %s.xml" % vm_name |
| 39 | 137 print "Use disk image %s" % disk_image |
| 3 | 138 print "Done!" |