Match aws role awscli to what is installed by configuration requirements.

playbooks/roles/aws/defaults/main.yml

@@ -44,7 +44,7 @@ aws_debian_pkgs:
 
 aws_pip_pkgs:
   - https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz
-  - awscli==1.4.2
+  - awscli==1.10.28
   - boto=="{{ common_boto_version }}"
   - s3cmd==1.6.1
 

requirements.txt

@@ -10,6 +10,8 @@ wsgiref==0.1.2
 docopt==0.6.1
 python-simple-hipchat==0.2
 prettytable==0.7.2
+# Don't forget to update the version of this installed in
+# the aws role as well.
 awscli==1.10.28
 requests==2.9.1
 datadog==0.8.0