Array instead of string
diff --git a/nova/compute/cluster.yml b/nova/compute/cluster.yml
index be90ac2..4d07a3e 100644
--- a/nova/compute/cluster.yml
+++ b/nova/compute/cluster.yml
@@ -5,7 +5,7 @@
nova_vncproxy_url: https://${_param:cluster_public_host}:6080
nova_compute_virtualization: kvm
nova_compute_avail_zone:
- nova_aggregates:
+ nova_aggregates: []
nova_compute_ssh_public: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCltIn93BcTMzNK/n2eBze6PyTkmIgdDkeXNR9X4DqE48Va80ojv2pq8xuaBxiNITJzyl+4p4UvTTXo+HmuX8qbHvqgMGXvuPUCpndEfb2r67f6vpMqPwMgBrUg2ZKgN4OsSDHU+H0dia0cEaTjz5pvbUy9lIsSyhrqOUVF9reJq+boAvVEedm8fUqiZuiejAw2D27+rRtdEPgsKMnh3626YEsr963q4rjU/JssV/iKMNu7mk2a+koOrJ+aHvcVU8zJjfA0YghoeVT/I3GLU/MB/4tD/RyR8GM+UYbI4sgAC7ZOCdQyHdJgnEzx3SJIwcS65U0T2XYvn2qXHXqJ9iGZ root@mirantis.com
nova_compute_ssh_private: |
-----BEGIN RSA PRIVATE KEY-----