Drop odd keys from structure

 * Disable root login by default
 * Drop odd lab users|key

Depends-on: https://gerrit.mcp.mirantis.com/#/c/37641/

Change-Id: I052696aa4662251dfe9db76759fbca18985b8e79
Related-Prod: PROD-27456 (PROD:27456)
diff --git a/defaults/backup.yml b/defaults/backup.yml
index 66e5173..1cff51b 100644
--- a/defaults/backup.yml
+++ b/defaults/backup.yml
@@ -5,3 +5,6 @@
     backup_day_of_month: "*"
     backup_month: "*"
     backup_day_of_week: "*"
+    zookeeper_remote_backup_server: cfg01
+    cassandra_remote_backup_server: cfg01
+    xtrabackup_client_throttle: 0 # disabled
diff --git a/defaults/secrets.yml b/defaults/secrets.yml
index f47c1e0..65b7bce 100644
--- a/defaults/secrets.yml
+++ b/defaults/secrets.yml
@@ -57,6 +57,9 @@
 
 #   Nova
 #    metadata_password: <<CHANGEME>>
+#    nova_compute_ssh_public: <<CHANGEME>>
+#    nova_compute_ssh_private: <<CHANGEME>>
+
 
 #   Grafana
 #    grafana_password: <<CHANGEME>>
@@ -72,3 +75,8 @@
 
 #   Galera
 #    galera_clustercheck_password: <<CHANGEME>>
+
+#    Generic
+#    root_private_key:
+#    root_public_key:
+