Fixes geerlingguy#303: Update 'Dynamic inventory with AWS' example to…

… use aws_ec2 plugin.

dynamic-inventory/digitalocean/provision.yml

@@ -32,7 +32,7 @@
   gather_facts: False
 
   tasks:
-    - name: Wait for host to become reachable.
+    - name: Wait for hosts to become reachable.
       wait_for_connection:
 
     - name: Install tcpdump.

lamp-infrastructure/README.md

@@ -82,7 +82,7 @@ After everything is booted and configured, visit the IP address of the Varnish s
 
   - Public IP addresses are used for all cross-instance communication (e.g. PHP to MySQL/Memcached communication, MySQL master/slave replication). For better security and potentially a tiny performance improvement, you can use instances' `private_ip` for cross-instance communication.
   - Hosting instances on AWS may incur hosting fees (unless all usage falls within AWS's first-year free tier limits). While the charges will be nominal (likely less than $1 USD for many hours of testing), it's important to destroy instances you aren't actively using!
-  - You can use the included `ec2.py` inventory script for dynamic inventory (`./ec2.py --list` to test).
+  - You can use the included `aws_ec2.yml` inventory plugin configuration for dynamic inventory (`ansible-inventory -i inventories/aws/aws_ec2.yml --graph` to test).
 
 ## About the Author
 

lamp-infrastructure/inventories/aws/aws_ec2.yml

@@ -0,0 +1,14 @@
+---
+plugin: aws_ec2
+
+regions:
+  - us-east-1
+
+hostnames:
+  - ip-address
+
+keyed_groups:
+  - key: tags.inventory_group
+    separator: ''
+  - key: tags.Application
+    separator: ''