Decrease resources for VMs

Create VMs with 384 of RAM and 1 CPU.
Fix passing microversion when creating nodes, will make
sure that nodes are created in available state.

Change-Id: I6d07968955a58ab43c9c8d93ab7efd8b40873fbd
Related-Prod: PROD-24660
diff --git a/metadata/service/nodes_neutron.yml b/metadata/service/nodes_neutron.yml
index 221bb21..495813f 100644
--- a/metadata/service/nodes_neutron.yml
+++ b/metadata/service/nodes_neutron.yml
@@ -21,20 +21,20 @@
               deploy_ramdisk: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_ramdisk_file}
               deploy_kernel: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_kernel_file}
             network_interface: 'neutron'
-            ironic_api_version: '1.20'
+            microversion: '1.20'
             ports:
               - address: aa:bb:cc:dd:00:00
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n0i1
-                ironic_api_version: '1.19'
+                microversion: '1.19'
               - address: aa:bb:cc:dd:00:01
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n0i2
-                ironic_api_version: '1.19'
+                microversion: '1.19'
           - name: ${linux:network:hostname}-n1
             driver: pxe_ipmitool
             properties:
@@ -50,14 +50,14 @@
               deploy_ramdisk: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_ramdisk_file}
               deploy_kernel: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_kernel_file}
             network_interface: 'neutron'
-            ironic_api_version: '1.20'
+            microversion: '1.20'
             ports:
               - address: aa:bb:cc:dd:01:00
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n1i1
-                ironic_api_version: '1.19'
+                microversion: '1.19'
             deployment_profile:
               network:
                 fixed_ips:
@@ -78,11 +78,11 @@
               deploy_ramdisk: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_ramdisk_file}
               deploy_kernel: http://${_param:single_baremetal_address}/${baremetal_simulator:deploy_kernel_file}
             network_interface: 'neutron'
-            ironic_api_version: '1.20'
+            microversion: '1.20'
             ports:
               - address: aa:bb:cc:dd:02:00
                 local_link_connection:
                   switch_id: 00:00:00:00:00:00
                   switch_info: br-simulator
                   port_id: tap-bmt-n2i1
-                ironic_api_version: '1.19'
+                microversion: '1.19'