Update B300-E7 model

PROD-37077

Change-Id: Ic3d79a338e88864e40d2cacd4c656012d9ed84c2
diff --git a/tcp_tests/templates/bm-b300-e7-cicd-pike-ovs-maas/salt.yaml b/tcp_tests/templates/bm-b300-e7-cicd-pike-ovs-maas/salt.yaml
index 8c732dd..8f82d77 100755
--- a/tcp_tests/templates/bm-b300-e7-cicd-pike-ovs-maas/salt.yaml
+++ b/tcp_tests/templates/bm-b300-e7-cicd-pike-ovs-maas/salt.yaml
@@ -88,8 +88,46 @@
     set -x;
     set -e;
     salt 'kvm01*' cmd.run 'sysctl -w net.ipv4.ip_forward=1';
-    ip route add 10.167.11.0/24 via 172.16.162.67;
+    ip route add 10.167.10.0/23 via 172.16.162.67;
     sed -i 's/er: 1/er: 0/g' /srv/salt/reclass/classes/service/linux/system/cis/cis-3-2-7.yml;
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 5}
   skip_fail: false
+
+- description: Create an alias to ens3 and NAT for the new net
+  cmd: |
+    set -x;
+    set -e;
+    iptables -t nat -I POSTROUTING -s 10.200.200.0/23 -j MASQUERADE;
+    ip addr add 10.200.200.1/23 dev ens3
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false
+
+- description: "Upload maas_subnet_add.yml to cfg01.{{ DOMAIN_NAME }}"
+  upload:
+    local_path:  {{ config.salt_deploy.templates_dir }}{{ LAB_CONFIG_NAME }}/
+    local_filename: maas_subnet_add.yml
+    remote_path: /root/
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 10}
+  skip_fail: false
+
+- description: "Modify model to add the new MAAS network"
+  cmd: |
+    set -e;
+    set -x;
+    . /root/venv-reclass-tools/bin/activate;
+    reclass-tools merge-context /root/maas_subnet_add.yml /srv/salt/reclass/classes/cluster/{{ LAB_CONFIG_NAME }}/infra/maas.yml;
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false
+
+- description: "Rerun maas.region state"
+  cmd: |
+    set -e;
+    set -x;
+    salt 'cfg01*' state.sls maas.region
+  node_name: {{ HOSTNAME_CFG01 }}
+  retry: {count: 1, delay: 5}
+  skip_fail: false