my.aws_ec2.yml

# Minimal example using environment vars or instance role credentials
# Fetch all hosts in us-east-1, the hostname is the public DNS if it exists, otherwise the private IP address
plugin: aws_ec2
regions:
  - us-east-2
hostnames:
  - name: 'tag:Name=MB,Name=Tag2'

compose:
  # Use the private IP address to connect to the host
  # (note: this does not modify inventory_hostname, which is set via I(hostnames))
  ansible_host: private_ip_address