#!/usr/bin/python
import sys
+import time
sys.path.insert(0, '/usr/lib/xen-3.1-1/lib/python')
from xen.lowlevel.xs import xs
def live_vms():
domids = set(trans.ls('', '/local/domain'))
- domids.remove('0')
+ domids.discard('0')
vms = dict()
for domid in domids:
- name, data = get_dom(int(domid))
+ try:
+ name, data = get_dom(int(domid))
+ except ValueError:
+ next # went down since we started
if name.startswith('d_'):
name = name[2:]
vms[name] = data
# uptime
data['vm'] = trans.read('', '/local/domain/%d/vm' % domid)
data['start_time'] = float(trans.read('', '%s/start_time' % data['vm']))
+ data['uptime'] = time.time()-data['start_time']
return name, data
if __name__ == '__main__':
vms = live_vms()
- if '--pickle' in sys.argv[1:]:
+ if '--json' in sys.argv[1:]:
+ import cjson
+ print cjson.encode(vms)
+ elif '--pickle' in sys.argv[1:]:
import cPickle
- cPickle.dump(vms, sys.stdout)
+ cPickle.dump(vms, sys.stdout, cPickle.HIGHEST_PROTOCOL)
else:
- print vms
+ import yaml
+ print yaml.dump(vms, Dumper=yaml.CSafeDumper, default_flow_style=False)