ec2-ip

#!/bin/bash
set -eu

# TODO: deduplicate code between ec2 and ec2-ip, allow running a command

BUCKET=ec2-cache.binaris.com
DEFAULT_FZF_QUERY=${1:-${realm:-$USER}}

# Requirements:
# - fzf
# - aws cli

function get_cache() {
    # Set you bucket name here
    aws s3 cp --quiet s3://$BUCKET/instances.fzf >(cat)
}

function choose() {
    cache="$(get_cache)"
    chosen=$(echo -e "$cache\n%refresh ec2 cache" | fzf -q "$DEFAULT_FZF_QUERY")
}

until
    choose
    [[ "$chosen" != "%refresh ec2 cache" ]];
do
    echo "Refreshing EC2 fuzzy cache..."
    aws lambda invoke --region ${region:-eu-central-1} --function-name ec2-fzf-${region:-eu-central-1}-discover_instances /dev/null >/dev/null
done
if [[ -z "$chosen" ]]; then exit 1; fi

function lookup() {
    chosen=$1
    field=$2
    echo $chosen | grep -o -E "$field:\\S+" | cut -d ':' -f2
}

export key=$(lookup "$chosen" key)
export pub_ip=$(lookup "$chosen" pub_ip)
export priv_ip=$(lookup "$chosen" priv_ip)
export realm=$(lookup "$chosen" realm)

echo $pub_ip