List AWS Instances By Region

gistfile1.txt

#DESC: Providing a overview of all the Instances running across the individual regions, something not readily available in AWS web UI :-/ 
# Install AWS CLI https://aws.amazon.com/cli/

#--------------------------------------------------------------------------------------
# List all aws instances in all regions, parse out response JSON
# Props to: https://github.com/aws/aws-cli/issues/1777
#--------------------------------------------------------------------------------------
function aws-ls-ec2-vm
{

    for region in `aws ec2 describe-regions --output text | cut -f3`
        do
            echo -e "\nListing Instances in region:'$region'..."
                aws ec2 describe-instances --region ${region}
        done
}

#--------------------------------------------------------------------------------------
# Fish out key info: [state, name, type, key] etc. version of above with abreviated json parsed by jq
# e.g.
# Listing Instances in region:'eu-west-1'...
# {
#   "state": "running",
#   "name": "Foo-Dev",
#   "type": "t2.micro",
#   "key": "Bar-Dev"
# }
#--------------------------------------------------------------------------------------
function aws-ls-ec2-vm-jq
{

    for region in `aws ec2 describe-regions --output text | cut -f3`
    do  
        echo -e "\nListing Instances in region:'$region'..."
        aws ec2 describe-instances --region $region | jq '.Reservations[] | ( .Instances[] | {state: .State.Name, name: .KeyName, type: .InstanceType, key: .KeyName})'
    done
}