Last change
on this file since 751 was
623,
checked in by price, 16 years ago
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note host in listvms
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Property svn:executable set to
*
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File size:
1.2 KB
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1 | #!/usr/bin/python |
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2 | |
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3 | """ |
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4 | Collates the results of listvms from multiple VM servers. Part of the xvm |
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5 | suite. |
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6 | """ |
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7 | |
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8 | from subprocess import PIPE, Popen |
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9 | import sys |
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10 | import yaml |
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11 | |
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12 | def main(argv): |
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13 | # Query each of the server for their VMs. |
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14 | # TODO get `servers` from a real list of all the VM hosts (instead of |
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15 | # hardcoding the list here) |
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16 | servers = ['black-mesa.mit.edu', 'sx-blade-2.mit.edu'] |
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17 | # XXX |
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18 | pipes = [(server, |
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19 | Popen(['remctl', server, 'remote', 'web', 'listvms'], stdout=PIPE)) |
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20 | for server in servers] |
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21 | outputs = [(s, p.communicate()[0]) for (s, p) in pipes] |
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22 | for (s, p) in pipes: |
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23 | if p.returncode != 0: |
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24 | raise RuntimeError("remctl to host %s returned non-zero exit status %d" |
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25 | % (s, p.returncode)) |
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26 | results = [(s, yaml.load(o, yaml.CSafeLoader)) for (s, o) in outputs] |
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27 | results = filter(lambda (_, x): x is not None, results) |
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28 | |
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29 | # Merge the results and print. |
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30 | merged = {} |
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31 | for server, result in results: |
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32 | for data in result.itervalues(): |
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33 | data['host'] = server |
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34 | merged.update(result) |
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35 | |
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36 | print yaml.dump(merged, Dumper=yaml.CSafeDumper, default_flow_style=False) |
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37 | |
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38 | if __name__ == '__main__': |
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39 | main(sys.argv) |
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40 | |
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41 | # vim:et:sw=4:ts=4 |
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