Adds task to adjust mtus for systems requiring it

Includes: - Adjusting interface mtus - Modifying /etc/dnsmasq-ironic.conf for overcloud deploys Change-Id: I333af9f8d5d2ee8a399fa909a9cabfe0bc9d899c
openstack-archive · Jul 11, 2016 · 0c40d0e · 0c40d0e
1 parent c8ab9f2
commit 0c40d0e
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diff --git a/defaults/main.yml b/defaults/main.yml
@@ -1,3 +1,6 @@
 ---
 working_dir: /home/stack
 step_root_device_size: false
+mtu: 1350
+mtu_interface:
+  - eth1
diff --git a/tasks/adjust-mtu-dnsmasq-ironic.yml b/tasks/adjust-mtu-dnsmasq-ironic.yml
@@ -0,0 +1,16 @@
+- when: mtu is defined
+  block:
+
+    - name: Adjust interface mtus
+      become: yes
+      shell: >
+        ip link set {{ item }} mtu {{ mtu }};
+        echo "MTU={{ mtu }}" >> /etc/sysconfig/network-scripts/ifcfg-{{ item }}
+      with_items:  "{{ mtu_interface }}"
+
+    - name: Modify dnsmasq-ironic.conf
+      become: yes
+      shell: >
+        echo -e "\ndhcp-option-force=26,{{ mtu }}" >> /etc/dnsmasq-ironic.conf;
+        systemctl restart 'neutron-*'
+
diff --git a/tasks/main.yml b/tasks/main.yml
@@ -1,2 +1,4 @@
 ---
 - include: add-disk-size-hint.yml
+
+- include: adjust-mtu-dnsmasq-ironic.yml