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munin-libvirtpy now in python3 (#1258)

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* works on debian bullseye
* flake8 compatiblity ckecked
* print errors to file=sys.stderr
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Alois 2021-11-17 14:32:32 +01:00 • committed by GitHub
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plugins/libvirt/munin-libvirtpy
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@ -1,57 +1,75 @@
#!/usr/bin/env python #!/usr/bin/env python3
# Revision 1.0 2008/05/16 - Steven Wagner """
# First functional release. Works for me. =encoding utf8
#
# Revision 0.5 2008/05/01 - Julien Rottenberg
# initial display of variables from libvirt
#python-libvirt is required =head1 NAME
munin-libvirtpy - KVM Domain CPU Utilization
=head1 CONFIGURATION
Parsed environment variables:
python-libvirt is required
=head1 LICENSE
GPLv3
SPDX-License-Identifier: GPL-3.0-only
=head1 AUTHORS
Julien Rottenberg
Steven Wagner
=head1 MAGIC MARKERS
#%# capabilities=autoconf
#%# family=contrib
=cut
"""
import libvirt import libvirt
import sys import sys
conn = libvirt.openReadOnly("qemu:///system") conn = libvirt.openReadOnly("qemu:///system")
if conn == None: if conn is None:
print 'Failed to open connection to the hypervisor' print('Failed to open connection to the hypervisor')
sys.exit(1) sys.exit(1)
try: try:
(model, memory, cpus, mhz, nodes, socket, cores, threads) = conn.getInfo() (model, memory, cpus, mhz, nodes, socket, cores, threads) = conn.getInfo()
except: except BaseException as error:
print 'getInfo failed' print('getInfo failed: {}'.format(error), file=sys.stderr)
sys.exit(1) sys.exit(1)
#print
#print "KVM running on %d %s %d mhz CPUs w/ %d MB RAM." % (cpus, model, mhz, memory)
#print
ids = conn.listDomainsID() ids = conn.listDomainsID()
if ids == None or len(ids) == 0: if ids is None or len(ids) == 0:
print 'No running domains found.' print('No running domains found.', file=sys.stderr)
sys.exit(1) sys.exit(1)
if len(sys.argv) == 2: if len(sys.argv) == 2:
if sys.argv[1] == "config": if sys.argv[1] == "config":
print "graph_title KVM Domain CPU Utilization" print("graph_title KVM Domain CPU Utilization")
print "graph_vlabel CPU use in seconds" print("graph_vlabel CPU use in seconds")
print "graph_args --base 1000" print("graph_args --base 1000")
print "graph_category virtualization" print("graph_category virtualization")
for id in ids: for id in ids:
dom = conn.lookupByID(id) dom = conn.lookupByID(id)
nodeName = dom.name() nodeName = dom.name()
print "%s.type COUNTER" %(nodeName) print("%s.type COUNTER" % (nodeName))
print "%s.label %s" %(nodeName, nodeName) print("%s.label %s" % (nodeName, nodeName))
sys.exit(0) sys.exit(0)
for id in ids: for id in ids:
dom = conn.lookupByID(id) dom = conn.lookupByID(id)
state, maxMem, memory, numVirtCpu, cpuTime = dom.info() state, maxMem, memory, numVirtCpu, cpuTime = dom.info()
nodeName = dom.name() nodeName = dom.name()
# uuid = dom.UUID() print("%s.value %d" % (nodeName, cpuTime/float(1000000)))
# ostype = dom.OSType()
# print """Domain: %s, %s state (%s), %d CPUs, %d seconds, %d milliseconds, mem/max (%d/%d) """ \
# % (nodeName, ostype, state, numVirtCpu, cpuTime/float(1000000000), cpuTime/float(1000000), memory, maxMem )
print "%s.value %d" % (nodeName, cpuTime/float(1000000))