Frequently Asked Questions... or rather common problems that people have hit.
fatal: [localhost]: FAILED! => {"attempts": 1, "changed": false, "msg": "Python modules \"botocore\" or \"boto3\" are missing, please install both"}
OR
fatal: [localhost]: FAILED! => {"attempts": 1, "changed": false, "msg": "boto is required for this module"}
pip install boto boto3
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: NoCredentialsError: Unable to locate credentials
fatal: [localhost]: FAILED! => {"attempts": 1, "changed": false, "msg": "Failed to describe VPCs: Unable to locate credentials"}
Set your Access Key ID and Secret Access Key under ~/.aws/credentials
[root@centos ~]# cat ~/.aws/credentials
[default]
aws_access_key_id = ABCDEFGHIJKLMNOP
aws_secret_access_key = ABCDEFGHIJKLMNOP/ABCDEFGHIJKLMNOP