#!/usr/bin/env bash
#  vim:ts=4:sts=4:sw=4:et
#
#  Author: Hari Sekhon
#  Date: 2024-08-27 11:28:20 +0200 (Tue, 27 Aug 2024)
#
#  https///github.com/HariSekhon/DevOps-Bash-tools
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/HariSekhon
#

set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/aws.sh"

# shellcheck disable=SC2034,SC2154
usage_description="
List AWS EC2 instances, their DNS names and States in an easy to read table output

Useful for quickly investigating running instances and comparing to configured FQDN addresses in referencing software


$usage_aws_cli_required
"

# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args=""

help_usage "$@"

num_args 0 "$@"

# false positive - want single quotes for * to be evaluated within AWS query not shell
# shellcheck disable=SC2016
aws ec2 describe-instances \
    --query 'Reservations[*].Instances[*].[
                Tags[?Key==`Name`].Value | [0],
                InstanceId,
                State.Name,
                publicDnsName,
                PrivateDnsName
            ]' \
    --output table