Skip to content

Instantly share code, notes, and snippets.

@mizzy

mizzy/set_localtime_to_vm_clock_offset.py

Last active September 30, 2015 10:08
Show Gist options
  • Save mizzy/1766791 to your computer and use it in GitHub Desktop.
Save mizzy/1766791 to your computer and use it in GitHub Desktop.
Download ZIP
A script to change clock setting of all vms on a specified host
Raw
set_localtime_to_vm_clock_offset.py
#!/usr/bin/python
import sys
import libvirt
from xml.etree.ElementTree import *
host = sys.argv[1]
conn = libvirt.open("qemu+tcp://%s/system" % host)
vms = []
ids = conn.listDomainsID()
for id in ids:
dom = conn.lookupByID(id)
vms.append(dom.name())
domains = conn.listDefinedDomains()
for domain in domains:
vms.append(domain)
for vm in vms:
print vm
dom = conn.lookupByName(vm)
desc = fromstring(dom.XMLDesc(libvirt.VIR_DOMAIN_XML_SECURE))
desc.find(".//clock").set("offset", "localtime")
conn.defineXML(tostring(desc))
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment