Last change
on this file since 1168 was
712,
checked in by price, 16 years ago
|
fix a race in listvms when a machine is shutting down
Also tell the remctl-auto changelog about YAML support.
|
-
Property svn:executable set to
*
|
File size:
1.3 KB
|
Line | |
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1 | #!/usr/bin/python |
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2 | |
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3 | import sys |
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4 | import time |
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5 | sys.path.insert(0, '/usr/lib/xen-3.1-1/lib/python') |
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6 | from xen.lowlevel.xs import xs |
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7 | |
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8 | trans = xs() |
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9 | |
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10 | def live_vms(): |
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11 | domids = set(trans.ls('', '/local/domain')) |
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12 | domids.discard('0') |
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13 | |
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14 | vms = dict() |
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15 | |
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16 | for domid in domids: |
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17 | try: |
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18 | name, data = get_dom(int(domid)) |
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19 | except TypeError: |
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20 | continue # went down since we started |
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21 | if name.startswith('d_'): |
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22 | name = name[2:] |
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23 | vms[name] = data |
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24 | return vms |
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25 | |
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26 | def get_dom(domid): |
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27 | name = trans.read('', '/local/domain/%d/name' % domid) |
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28 | data = dict() |
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29 | data['domid'] = domid |
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30 | # presence of a graphical console |
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31 | data['console'] = trans.read('', '/local/domain/%d/device/vfb/0/state' % domid) |
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32 | # uptime |
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33 | data['vm'] = trans.read('', '/local/domain/%d/vm' % domid) |
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34 | data['start_time'] = float(trans.read('', '%s/start_time' % data['vm'])) |
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35 | data['uptime'] = time.time()-data['start_time'] |
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36 | |
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37 | return name, data |
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38 | |
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39 | if __name__ == '__main__': |
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40 | vms = live_vms() |
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41 | if '--json' in sys.argv[1:]: |
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42 | import cjson |
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43 | print cjson.encode(vms) |
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44 | elif '--pickle' in sys.argv[1:]: |
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45 | import cPickle |
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46 | cPickle.dump(vms, sys.stdout, cPickle.HIGHEST_PROTOCOL) |
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47 | else: |
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48 | import yaml |
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49 | print yaml.dump(vms, Dumper=yaml.CSafeDumper, default_flow_style=False) |
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