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_flat.yml b/metadata/service/nodes_flat.yml
index 0e1b96a..d36fdbd 100644
--- a/metadata/service/nodes_flat.yml
+++ b/metadata/service/nodes_flat.yml
@@ -8,10 +8,11 @@
         admin_identity:
           - name: ${linux:network:hostname}-n0
             driver: pxe_ipmitool
+            microversion: '1.9'
             properties:
               local_gb: 10
-              cpus: 2
-              memory_mb: 1024
+              cpus: 1
+              memory_mb: 384
               cpu_arch: x86_64
             driver_info:
               ipmi_username: admin
@@ -25,10 +26,11 @@
               - address: aa:bb:cc:dd:00:01
           - name: ${linux:network:hostname}-n1
             driver: pxe_ipmitool
+            microversion: '1.9'
             properties:
               local_gb: 10
-              cpus: 2
-              memory_mb: 1024
+              cpus: 1
+              memory_mb: 384
               cpu_arch: x86_64
             driver_info:
               ipmi_username: admin
@@ -46,10 +48,11 @@
                     subnet_name: baremetal-subnet
           - name: ${linux:network:hostname}-n2
             driver: pxe_ipmitool
+            microversion: '1.9'
             properties:
               local_gb: 10
-              cpus: 2
-              memory_mb: 1024
+              cpus: 1
+              memory_mb: 384
               cpu_arch: x86_64
             driver_info:
               ipmi_username: admin