+ nodelist = arvados.util.list_all(self._client.nodes().list)
+
+ # node hostname, state
+ sinfo_out = subprocess.check_output(["sinfo", "--noheader", "--format=%n %t"])
+ nodestates = {}
+ for out in sinfo_out.splitlines():
+ try:
+ nodename, state = out.split(" ", 2)
+ if state in ('alloc', 'alloc*',
+ 'comp', 'comp*',
+ 'mix', 'mix*',
+ 'drng', 'drng*'):
+ nodestates[nodename] = 'busy'
+ elif state == 'idle':
+ nodestates[nodename] = 'idle'
+ else:
+ nodestates[nodename] = 'down'
+ except ValueError:
+ pass