X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-remote.git/blobdiff_plain/c6f3577d4ad01e99b50af6b68d2399b35e0ea4cd..c7a4b1ed77b6091d7a9bf27c59e098bdff84474e:/files/usr/sbin/sipb-xen-remote-listvms diff --git a/files/usr/sbin/sipb-xen-remote-listvms b/files/usr/sbin/sipb-xen-remote-listvms index f9b3f36..8c25d09 100755 --- a/files/usr/sbin/sipb-xen-remote-listvms +++ b/files/usr/sbin/sipb-xen-remote-listvms @@ -1,44 +1,28 @@ -#!/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 - -### - -def run(cmd): - """ - Run the given command (a list of program and argument strings) and return the - stdout as a string, raising a CalledProcessError if the program exited with a - non-zero status. - """ - p = Popen(cmd, stdout=PIPE) - stdout = p.communicate()[0] - if p.returncode != 0: raise CalledProcessError(p.returncode, cmd) - return stdout +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 - results = [ safe_load(run(['remctl', server, 'remote', 'web', 'listvms'])) - for server in servers ] - 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 server, result in results: + for data in result.itervalues(): + data['host'] = server + merged.update(result) - # Merge the results and print. - merged = {} - for result in results: 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=2 +# vim:et:sw=4:ts=4