Minor improvements

- default to ansible_default_ipv4.interface
- move "repository" variable to webservers
- mention 1.2 and CentOS 6 requirements in readme

lamp_haproxy/README.md

@@ -1,7 +1,8 @@
 LAMP Stack + HAProxy: Example Playbooks
 -----------------------------------------------------------------------------
 
-(This example requires Ansible 1.2)
+- Requires Ansible 1.2
+- Expects CentOS/RHEL 6 hosts
 
 This example is an extension of the simple LAMP deployment. Here we'll install
 and configure a web server with an HAProxy load balancer in front, and deploy

lamp_haproxy/group_vars/all

@@ -3,4 +3,3 @@
 
 httpd_port: 80
 ntpserver: 192.168.1.2
-repository: http://github.com/bennojoy/mywebapp.git

lamp_haproxy/group_vars/lbservers

@@ -16,4 +16,10 @@ daemonname: myapplb
 balance: roundrobin 
 
 # Ethernet interface on which the load balancer should listen
-iface: eth0
+# Defaults to the first interface. Change this to:
+#
+#  iface: eth1
+#
+# ...to override.
+#
+iface: '{{ ansible_default_ipv4.interface }}'

lamp_haproxy/group_vars/webservers

@@ -1,8 +1,17 @@
 ---
 # Variables for the web server configuration
 
-# Ethernet interface on which the web server should listen
-iface: eth0
+# Ethernet interface on which the web server should listen.
+# Defaults to the first interface. Change this to:
+#
+#  iface: eth1
+#
+# ...to override.
+#
+iface: '{{ ansible_default_ipv4.interface }}'
 
-# this is V5 of the test webapp.
+# this is the repository that holds our sample webapp
+repository: http://github.com/bennojoy/mywebapp.git
+
+# this is the sha1sum of V5 of the test webapp.
 webapp_version: 351e47276cc66b018f4890a04709d4cc3d3edb0d