mirror of
https://gitlab.com/libvirt/libvirt-python.git
synced 2024-10-26 07:55:06 +03:00
0904b90289
Signed-off-by: Ariel Otilibili <otilibil@eurecom.fr>
48 lines
1.2 KiB
Python
Executable File
48 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
"""
|
|
Check that the domain described by DOMAIN.XML is running.
|
|
If the domain is not running, create it.
|
|
"""
|
|
|
|
import libvirt
|
|
import libxml2
|
|
from argparse import ArgumentParser
|
|
from typing import Tuple
|
|
|
|
|
|
# Parse the XML description of domU from FNAME
|
|
# and return a tuple (name, xmldesc) where NAME
|
|
# is the name of the domain, and xmldesc is the contetn of FNAME
|
|
def read_domain(fname: str) -> Tuple[str, str]:
|
|
fp = open(fname, "r")
|
|
xmldesc = fp.read()
|
|
fp.close()
|
|
|
|
doc = libxml2.parseDoc(xmldesc)
|
|
name = doc.xpathNewContext().xpathEval("/domain/name")[0].content
|
|
return (name, xmldesc)
|
|
|
|
|
|
parser = ArgumentParser(description=__doc__)
|
|
parser.add_argument("file", metavar="DOMAIN.XML", help="XML configuration of the domain in libvirt's XML format")
|
|
args = parser.parse_args()
|
|
|
|
name, xmldesc = read_domain(args.file)
|
|
|
|
try:
|
|
conn = libvirt.open(None)
|
|
except libvirt.libvirtError:
|
|
print('Failed to open connection to the hypervisor')
|
|
exit(1)
|
|
|
|
try:
|
|
dom = conn.lookupByName(name)
|
|
except libvirt.libvirtError:
|
|
print("Starting domain %s ... " % name)
|
|
dom = conn.createLinux(xmldesc, 0)
|
|
if dom is None:
|
|
print("failed")
|
|
exit(1)
|
|
else:
|
|
print("done")
|