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vmdriver
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Commit
83d949f1
authored
Jul 11, 2013
by
tarokkk
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4 changed files
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0 deletions
+224
-0
sample.xml
+37
-0
test.py
+56
-0
vm.py
+116
-0
xmltest.py
+15
-0
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sample.xml
0 → 100644
View file @
83d949f1
<domain
type=
'kvm'
xmlns:qemu=
'http://libvirt.org/schemas/domain/qemu/1.0'
>
<name>
one-2273
</name>
<vcpu>
1
</vcpu>
<cputune>
<shares>
512
</shares>
</cputune>
<memory>
1048576
</memory>
<os>
<type
arch=
'x86_64'
>
hvm
</type>
<boot
dev=
'hd'
/>
</os>
<devices>
<emulator>
/usr/bin/kvm
</emulator>
<disk
type=
'file'
device=
'disk'
>
<source
file=
'/datastore/0/2273/disk.0'
/>
<target
dev=
'vda'
/>
<driver
name=
'qemu'
type=
'qcow2'
cache=
'default'
/>
</disk>
<disk
type=
'file'
device=
'cdrom'
>
<source
file=
'/datastore/0/2273/disk.1'
/>
<target
dev=
'hda'
/>
<readonly/>
<driver
name=
'qemu'
type=
'raw'
/>
</disk>
<interface
type=
'ethernet'
>
<target
dev=
'nw-2273-0'
/>
<mac
address=
'02:00:0a:09:01:2d'
/>
<model
type=
'virtio'
/>
</interface>
<graphics
type=
'vnc'
listen=
'0.0.0.0'
port=
'8173'
passwd=
'usxdfmnkfk'
/>
</devices>
<features>
<acpi/>
</features>
<cpu><topology
sockets=
'1'
cores=
'1'
threads=
'1'
/></cpu>
</domain>
test.py
0 → 100755
View file @
83d949f1
import
libvirt
import
sys
# Open libvirt connection (local)
connection
=
libvirt
.
open
(
None
)
# XML sample for testing
xml_sample
=
'''
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
<name>one-2273</name>
<vcpu>1</vcpu>
<cputune>
<shares>512</shares>
</cputune>
<memory>1048576</memory>
<os>
<type arch='x86_64'>hvm</type>
<boot dev='hd'/>
</os>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='file' device='disk'>
<source file='/datastore/0/2273/disk.0'/>
<target dev='vda'/>
<driver name='qemu' type='qcow2' cache='default'/>
</disk>
<disk type='file' device='cdrom'>
<source file='/datastore/0/2273/disk.1'/>
<target dev='hda'/>
<readonly/>
<driver name='qemu' type='raw'/>
</disk>
<interface type='bridge'>
<source bridge='cloud'/>
<mac address='02:00:0a:09:01:2d'/>
<model type='virtio'/>
</interface>
<graphics type='vnc' listen='0.0.0.0' port='8173' passwd='usxdfmnkfk'/>
</devices>
<features>
<acpi/>
</features>
<cpu><topology sockets='1' cores='1' threads='1'/></cpu>
</domain>
'''
if
connection
==
None
:
print
"Fail to connect to libvirt daemon."
sys
.
exit
(
1
)
try
names
=
connection
.
listDefinedDomains
()
print
names
connection
.
defineXML
(
xml_sample
)
print
connection
.
listDefinedDomains
()
# conn.undefineXML()
vm.py
0 → 100755
View file @
83d949f1
#!/usr/bin/env python
import
lxml.etree
as
ET
# VM Instance class
class
VMInstance
:
name
=
None
vcpu
=
None
cpu_share
=
None
memory_max
=
None
network_list
=
list
()
disk_list
=
list
()
context
=
dict
()
def
__init__
(
self
,
name
,
vcpu
,
cpu_share
,
memory_max
,
network_list
,
disk_list
,
context
):
'''Default Virtual Machine constructor
'''
self
.
name
=
name
self
.
vcpu
=
vcpu
self
.
cpu_share
=
cpu_share
self
.
memory_max
=
memory_max
self
.
network_list
=
network_list
self
.
disk_list
=
disk_list
self
.
conext
=
context
class
VMDisk
:
'''Virtual MAchine disk representing class
'''
name
=
None
source
=
None
disk_type
=
None
disk_device
=
None
driver_name
=
None
driver_type
=
None
driver_cache
=
None
def
__init__
(
self
,
name
,
source
,
disk_type
=
"file"
,
disk_device
=
"disk"
,
driver_name
=
"qemu"
,
driver_type
=
"qcow2"
,
driver_cache
=
"normal"
):
self
.
name
=
name
self
.
source
=
source
self
.
disk_type
=
disk_type
self
.
disk_device
=
disk_device
self
.
driver_name
=
driver_name
self
.
driver_type
=
driver_type
self
.
driver_cache
=
driver_cache
def
dump_xml
(
self
):
xml_top
=
ET
.
Element
(
'disk'
,
attrib
=
{
'type'
:
self
.
disk_type
,
'device'
:
self
.
disk_device
})
ET
.
SubElement
(
xml_top
,
'source'
,
attrib
=
{
self
.
disk_type
:
self
.
source
})
class
VMNetwork
:
''' Virtual Machine network representing class
name -- network device name
mac -- the MAC address of the quest interface
network_type -- need to be "ethernet" by default
model -- available models in libvirt
QoS -- CIRCLE QoS class?
comment -- Any comment
script -- Executable network script /bin/true by default
'''
# Class attributes
name
=
None
network_type
=
None
mac
=
None
model
=
None
QoS
=
None
script_exec
=
'/bin/true'
comment
=
None
def
__init__
(
self
,
name
,
mac
,
network_type
=
'ethernet'
,
model
=
'virtio'
,
QoS
=
None
):
self
.
name
=
name
self
.
network_type
=
network_type
self
.
mac
=
mac
self
.
model
=
model
self
.
QoS
=
QoS
# XML dump
def
dump_xml
(
self
):
xml_top
=
ET
.
Element
(
'interface'
,
attrib
=
{
'type'
:
self
.
network_type
})
ET
.
SubElement
(
xml_top
,
'target'
,
attrib
=
{
'dev'
:
self
.
name
})
ET
.
SubElement
(
xml_top
,
'mac'
,
attrib
=
{
'address'
:
self
.
mac
})
ET
.
SubElement
(
xml_top
,
'model'
,
attrib
=
{
'type'
:
self
.
model
})
ET
.
SubElement
(
xml_top
,
'script'
,
attrib
=
{
'path'
:
self
.
script_exec
})
return
ET
.
tostring
(
xml_top
,
encoding
=
'utf8'
,
method
=
'xml'
,
pretty_print
=
True
)
a
=
VMNetwork
(
name
=
"vm-77"
,
mac
=
"010101"
)
print
a
.
dump_xml
()
xmltest.py
0 → 100755
View file @
83d949f1
import
xml.etree.ElementTree
as
ET
top
=
ET
.
Element
(
'domain'
,
attrib
=
{
'type'
:
'kvm'
,
'xmlns:qemu'
:
'http://libvirt.org/schemas/domain/qemu/1.0'
})
cpu
=
ET
.
SubElement
(
top
,
'cpu'
)
#vcpu =
#cputune =
#devices =
xml_dump
=
ET
.
tostring
(
top
)
print
xml_dump
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