playbook: use TCP_NODELAY on re6stnet.

playbook/roles/re6stnet/tasks/main.yml

@@ -44,7 +44,7 @@
 
   - shell: /usr/bin/re6stnet-ip6tables-check
 
-  - cron: name="ip6tables at reboot" special_time=reboot job="sleep 20 && /usr/bin/re6stnet-ip6tables-check"
+  - include: tcp_nodelay.yml
 
   - name: Start re6st-node service
     service: name=re6stnet state=started enabled=yes

playbook/roles/re6stnet/tasks/tcp_nodelay.yml

+---
+
+  - name: Check if configuration exists already
+    stat: path=/etc/re6stnet/re6stnet.conf
+    register: re6stnet_conf
+
+  - lineinfile: dest=/etc/re6stnet/re6stnet.conf line="O--socket-flags" state=present
+    when: re6stnet_conf.stat.exists == True
+
+  - lineinfile: dest=/etc/re6stnet/re6stnet.conf line='O"TCP_NODELAY"' state=present insertafter="O--socket-flags"
+    notify: restart re6stnet
+    when: re6stnet_conf.stat.exists == True