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https://gitlab.com/libvirt/libvirt-python.git
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283e2bc693
libvirt.open*() does not return None but raises an exception Signed-off-by: Philipp Hahn <hahn@univention.de>
51 lines
1.3 KiB
Python
Executable File
51 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# domstart - make sure a given domU is running, if not start it
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import libvirt
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import sys
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import os
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import libxml2
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import pdb
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# Parse the XML description of domU from FNAME
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# and return a tuple (name, xmldesc) where NAME
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# is the name of the domain, and xmldesc is the contetn of FNAME
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def read_domain(fname):
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fp = open(fname, "r")
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xmldesc = fp.read()
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fp.close()
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doc = libxml2.parseDoc(xmldesc)
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name = doc.xpathNewContext().xpathEval("/domain/name")[0].content
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return (name, xmldesc)
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def usage():
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print('Usage: %s domain.xml' % sys.argv[0])
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print(' Check that the domain described by DOMAIN.XML is running')
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print(' If the domain is not running, create it')
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print(' DOMAIN.XML must be a XML description of the domain')
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print(' in libvirt\'s XML format')
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if len(sys.argv) != 2:
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usage()
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sys.exit(2)
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(name, xmldesc) = read_domain(sys.argv[1])
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try:
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conn = libvirt.open(None)
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except libvirt.libvirtError:
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print('Failed to open connection to the hypervisor')
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sys.exit(1)
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try:
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dom = conn.lookupByName(name)
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except libvirt.libvirtError:
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print("Starting domain %s ... " % name)
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dom = conn.createLinux(xmldesc, 0)
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if dom is None:
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print("failed")
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sys.exit(1)
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else:
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print("done")
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