ec2ssh.bash

#!/bin/bash

# 使いかた
#   source ec2ssh.bash
#   ec2ssh
#
# インストール方法
#   echo "[ -f ~/ec2ssh.bash ] && source ~/ec2ssh.bash" >> ~/.bashrc
#
# 依存
#   aws-cli - https://github.com/aws/aws-cli
#   fzf - https://github.com/junegunn/fzf?tab=readme-ov-file#using-git

INSTANCE_FILE="$HOME/ec2_instances.txt"

function _fetch_ec2_instance_list() {
    aws ec2 describe-instances \
		--output text \
		--query "Reservations[].Instances[].{InstanceId:InstanceId,KeyName:KeyName} | sort_by(@, &KeyName)" \
    > $INSTANCE_FILE
}

function _ec2ssh() {
    _fetch_ec2_instance_list
    local instance_id=$(cat $INSTANCE_FILE \
        | fzf -1 --layout reverse \
        | cut -f1)
    aws ssm start-session --target $instance_id
}

alias ec2ssh=_ec2ssh

インストール方法

$ curl -o ~/ec2ssh.bash https://gist.githubusercontent.com/nukosuke/b4507f41f934e8897870934a46814de3/raw/1bf9073347e57b81837934fd4ad5e12c55f9fc89/ec2ssh.bash
$ echo "[ -f ~/ec2ssh.bash ] && source ~/ec2ssh.bash" >> ~/.bashrc
$ source ~/.bashrc