allow to start 0 instances

elasticluster · Jan 23, 2020 · 3e3e759 · 3e3e759
1 parent dcb9ec3
commit 3e3e759
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/elasticluster/cluster.py b/elasticluster/cluster.py
@@ -692,7 +692,7 @@ def _check_cluster_size(self, min_nodes):
         # finding all node groups with an unsatisfied amount of nodes
         unsatisfied = 0
         for kind, required in min_nodes.items():
-            available = len(self.nodes[kind])
+            available = len(self.nodes.get(kind, []))
             if available < required:
                 log.error(
                     "Not enough nodes of kind `%s`:"