source: package_branches/invirt-remote/hvirt/host/usr/sbin/invirt-listvms @ 2973

Last change on this file since 2973 was 2351, checked in by broder, 16 years ago

In invirt-remote:

  • If a particular VM is being autoinstalled, include that in the invirt-listvms output.
  • Property svn:executable set to *
File size: 1.8 KB
Line 
1#!/usr/bin/python
2
3import sys
4import time
5from xen.lowlevel import xs
6
7xsc = xs.xs()
8
9def live_vms():
10    domids = set(xsc.ls('', '/local/domain'))
11    domids.discard('0')
12
13    vms = dict()
14
15    for domid in domids:
16        try:
17            name, data = get_dom(int(domid))
18        except (xs.Error, TypeError):
19            continue # went down since we started
20        if name is not None and name.startswith('d_'):
21            name = name[2:]
22            vms[name] = data
23    return vms
24
25def get_dom(domid):
26    name = xsc.read('', '/local/domain/%d/name' % domid)
27    data = dict()
28    data['domid'] = domid
29    # presence of a graphical console
30    data['console'] = xsc.read('', '/local/domain/%d/device/vfb/0/state' % domid)
31    # uptime
32    data['vm'] = xsc.read('', '/local/domain/%d/vm' % domid)
33    data['start_time'] = float(xsc.read('', '%s/start_time' % data['vm']))
34    data['uptime'] = time.time()-data['start_time']
35    # CD or autoinstall, if we're using either
36    vbds = xsc.ls('', '/local/domain/%d/device/vbd' % domid)
37    for vbd in vbds:
38        dev = '/local/domain/%d/device/vbd/%s' % (domid, vbd)
39        dev_type = xsc.read('', '%s/device-type' % dev)
40        dev_params = xsc.read('', '%s/params' % xsc.read('', '%s/backend' % dev))
41        if dev_type == 'cdrom':
42            data['cdrom'] = dev_params
43        elif dev_type == 'disk' and dev_params == '/dev/xenvg/s_install_hda':
44            data['autoinstall'] = True
45   
46    return name, data
47
48if __name__ == '__main__':
49    vms = live_vms()
50    if '--json' in sys.argv[1:]:
51        import cjson
52        print cjson.encode(vms)
53    elif '--pickle' in sys.argv[1:]:
54        import cPickle
55        cPickle.dump(vms, sys.stdout, cPickle.HIGHEST_PROTOCOL)
56    else:
57        import yaml
58        print yaml.dump(vms, Dumper=yaml.CSafeDumper, default_flow_style=False)
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