EC2 の踏み台の .ssh/config 更新するクン

ssh_config_updater

#!/usr/bin/env bash

aws --region=ap-northeast-1 ec2 describe-instances \
    --query 'Reservations[*].Instances[*].{Name:Tags[?Key==`Name`]|[0].Value,Instance:InstanceId,Ip:PrivateIpAddress}' \
    | jq '.[] | .[]' \
    | jq --raw-output --slurp 'sort_by(.Name) | .[] | select(.Ip != null) | "Host " + .Name + "-" + .Instance, "  HostName " + .Ip, ""' \
    > /home/ec2-user/.ssh/config