Last change
on this file since 1070 was
721,
checked in by price, 16 years ago
|
fix another race in remctl interface
This had caused some 500s with a message 'Error: Domain <...> does not exist.'
|
-
Property svn:executable set to
*
|
File size:
1.2 KB
|
Rev | Line | |
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[625] | 1 | #!/usr/bin/python |
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| 2 | """ |
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| 3 | Sends remctl commands about a running VM to the host it's running on. |
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| 4 | """ |
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| 5 | |
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| 6 | from subprocess import PIPE, Popen, call |
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| 7 | import sys |
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| 8 | import yaml |
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| 9 | |
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| 10 | def main(argv): |
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| 11 | if len(argv) < 3: |
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| 12 | print >>sys.stderr, "usage: sipb-xen-remote-control <machine> <command>" |
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| 13 | return 2 |
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| 14 | machine_name = argv[1] |
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| 15 | command = argv[2] |
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| 16 | |
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| 17 | p = Popen(['/usr/sbin/sipb-xen-remote-proxy-web', 'listvms'], stdout=PIPE) |
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| 18 | output = p.communicate()[0] |
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| 19 | if p.returncode != 0: |
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| 20 | raise RuntimeError("Command '%s' returned non-zero exit status %d" |
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| 21 | % ('sipb-xen-remote-proxy-web', p.returncode)) |
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| 22 | vms = yaml.load(output, yaml.CSafeLoader) |
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| 23 | |
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| 24 | if machine_name not in vms: |
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| 25 | print >>sys.stderr, "machine '%s' is not on" % machine_name |
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[721] | 26 | return 1 |
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[625] | 27 | host = vms[machine_name]['host'] |
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| 28 | |
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[721] | 29 | p = Popen(['remctl', host, 'remote', 'control'] + argv[1:], |
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| 30 | stdout=PIPE, stderr=PIPE) |
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| 31 | (out, err) = p.communicate() |
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| 32 | if p.returncode == 1: |
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| 33 | print >>sys.stderr, "machine '%s' is not on" % machine_name |
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| 34 | return 1 |
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| 35 | sys.stderr.write(err) |
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| 36 | sys.stdout.write(out) |
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| 37 | return p.returncode |
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[625] | 38 | |
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| 39 | if __name__ == '__main__': |
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| 40 | sys.exit(main(sys.argv)) |
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| 41 | |
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| 42 | # vim:et:sw=4:ts=4 |
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