-#!/usr/bin/env python2.5
+#!/usr/bin/python
"""
Collates the results of listvms from multiple VM servers. Part of the xvm
suite.
"""
-from itertools import chain
-from subprocess import CalledProcessError, PIPE, Popen
-from sys import argv, stdout
-from yaml import safe_dump, safe_load
-
-###
+from invirt.remote import bcast
+import sys
+import yaml
def main(argv):
- # Query each of the server for their VMs.
- # TODO get `servers` from a real list of all the VM hosts (instead of
- # hardcoding the list here)
- servers = ['black-mesa.mit.edu', 'sx-blade-2.mit.edu']
- # XXX
- pipes = [Popen(['remctl', server, 'remote', 'web', 'listvms'], stdout=PIPE)
- for server in servers]
- outputs = [p.communicate()[0] for p in pipes]
- for p in pipes:
- if p.returncode != 0:
- raise CalledProcessError(p.returncode, cmd)
- results = [safe_load(o) for o in outputs]
- results = filter(lambda x: x is not None, results)
+ # Query each of the hosts.
+ results = filter(lambda (_, x): x is not None, bcast('listvms'))
# Merge the results and print.
merged = {}
- for result in results:
+ for server, result in results:
+ for data in result.itervalues():
+ data['host'] = server
merged.update(result)
- print safe_dump(merged, default_flow_style=False)
+
+ print yaml.dump(merged, Dumper=yaml.CSafeDumper, default_flow_style=False)
if __name__ == '__main__':
- main(argv)
+ sys.exit(main(sys.argv))
-# vim:et:sw=2:ts=4
+# vim:et:sw=4:ts=4