Debian Busterセットアップスクリプト

debian-buster-setup.sh

#!/bin/bash
set -eu

# Build Essentialをインストールする
INSTALL_BUILD_ESSENTIAL=1

# Dockerをインストールする
INSTALL_DOCKER=1

if [ "$(id -u)" != 0 ]; then
	echo "Please Run as root"
	exit 1
fi

# 新しいホスト名
NEW_HOSTNAME=${1:-}

# EC2で動作しているか
IS_EC2=0
if [ -f /sys/hypervisor/uuid ] && [ $(head -c 3 /sys/hypervisor/uuid) == ec2 ]; then IS_EC2=1; fi

# 起動完了まで待機する
if [ -d /var/lib/cloud ]; then
	until [ -f /var/lib/cloud/instance/boot-finished ]; do
		sleep 1
	done
fi

echo "*** START $0 ***"
if [ -n "${NEW_HOSTNAME:-}" ]; then
	echo "*** NEW_HOSTNAME: $NEW_HOSTNAME ***"
fi

if [ $IS_EC2 == 1 ]; then
	echo "*** RUNNING ON EC2 ***"
fi

export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get -y install \
	tzdata \
	git \
	curl \
   	wget \
	vim \
	ntp \
   	postfix \
	jq \
	sudo \
	dnsutils

if [ $INSTALL_BUILD_ESSENTIAL ]; then
	apt-get -y install build-essential
fi

rm /etc/localtime
ln -s /usr/share/zoneinfo/Asia/Tokyo /etc/localtime
echo 'Asia/Tokyo' > /etc/timezone
date

cat > /etc/vim/vimrc.local << 'EOS'
syntax on
set wildmenu
set history=100
set number
set scrolloff=5
set autowrite
set tabstop=4
set shiftwidth=4
set softtabstop=0
set termencoding=utf-8
set encoding=utf-8
set fileencodings=utf-8,cp932,euc-jp,iso-2022-jp,ucs2le,ucs-2
set fenc=utf-8
set enc=utf-8
EOS

update-alternatives --set editor /usr/bin/vim.basic
mv /etc/ntp.conf /etc/ntp.conf.orig

cat > /etc/ntp.conf << 'EOS'
driftfile /var/lib/ntp/drift
statistics loopstats peerstats clockstats
filegen loopstats file loopstats type day enable
filegen peerstats file peerstats type day enable
filegen clockstats file clockstats type day enable
restrict -4 default kod notrap nomodify nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery
restrict 127.0.0.1 
restrict ::1
EOS

if [ $IS_EC2 == 1 ]; then
	cat >> /etc/ntp.conf << 'EOS'
server 0.amazon.pool.ntp.org iburst
server 1.amazon.pool.ntp.org iburst
server 2.amazon.pool.ntp.org iburst
server 3.amazon.pool.ntp.org iburst
EOS
else
	cat >> /etc/ntp.conf << 'EOS'
server ntp1.jst.mfeed.ad.jp iburst
server ntp2.jst.mfeed.ad.jp iburst
server ntp3.jst.mfeed.ad.jp iburst
EOS
fi

service ntp restart
sleep 10
ntpq -p
sed -i.bak -e 's/^\(inet_protocols = all\)/#\1/' /etc/postfix/main.cf
echo 'inet_protocols = ipv4' >> /etc/postfix/main.cf
service postfix restart

if [ -n "${NEW_HOSTNAME:-}" ]; then
	if [ -e /usr/bin/hostnamectl ]; then
		hostnamectl set-hostname $NEW_HOSTNAME
		if [ -e /etc/cloud/templates/hosts.debian.tmpl ]; then
			echo "127.0.0.2 $NEW_HOSTNAME" >> /etc/cloud/templates/hosts.debian.tmpl
		fi
	fi
fi

if [ $INSTALL_DOCKER == 1 ]; then
	curl https://get.docker.com/ | sh
fi

echo "*** FINISH $0 ***"