def match_node_from_label_expr(expr, configured_nodes=None):
"""
Given a label expression, find all matching configured node types
so that one can be created.
"""
if not expr:
return
configured_nodes = configured_nodes or get_nodes()
matches = matching_nodes(expr, configured_nodes)
# XXX return first? random? try to figure out if
# one is already provisioning and return it?
if matches:
return matches[0]
else:
return None
def match_node_from_label_expr(expr, configured_nodes=None):
"""
Given a label expression, find all matching configured node types
so that one can be created.
"""
if not expr:
return
configured_nodes = configured_nodes or get_nodes()
matches = matching_nodes(expr, configured_nodes)
# XXX return first? random? try to figure out if
# one is already provisioning and return it?
if matches:
return matches[0]
else:
return None
def test_matching_nodes(self, expr, matches):
assert sorted(matching_nodes(expr, nodes)) == sorted(matches)
