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#!/usr/bin/env bash
# Bash Strict Mode
set -euo pipefail
IFS='
'
cd -P "$(dirname "$0")"
PS4='-\D{%F %T} '
export DEBIAN_FRONTEND=noninteractive
export DEBIAN_PRIORITY=critical
# Fix Debian 10 bug (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=905409)
PATH=/sbin:/usr/sbin:$PATH
function sysConfig() {
echo "Enter the server FQDN $(tput setaf 2)[System: $(hostname)]$(tput sgr0):"
read serverFQDN
hostnamectl set-hostname $serverFQDN
echo "Enter the server Time Zone $(tput setaf 2)[System: $(cat /etc/timezone)]$(tput sgr0): "
read serverTZ
timedatectl set-timezone $serverTZ
# Navigate to tmp
cd /tmp
# Debian stable OS
apt-get update
apt-get -y -o "Dpkg::Options::=--force-confdef" -o "Dpkg::Options::=--force-confold" upgrade
apt-get -y dist-upgrade
# Disable OpenStack SSH malware
mv /home/debian/.ssh/authorized_keys /root/.ssh/authorized_keys || :
sed -i '/Generated-by-Nova/d' /root/.ssh/authorized_keys || :
chown root:root /root/.ssh/authorized_keys || :
# Terminal goodies
touch .hushlogin
cat <<'EOF' >>/root/.bashrc
export LS_OPTIONS="--color=auto"
eval "`dircolors`"
alias ctop="docker run --rm -it --name=ctop -v /var/run/docker.sock:/var/run/docker.sock:ro quay.io/vektorlab/ctop"
alias df="df --si"
alias du="du -cs --si"
alias free="free -h --si"
alias l="ls $LS_OPTIONS -al --si --group-directories-first"
alias less="less -i"
alias nano="nano -clDOST4"
alias pstree="pstree -palU"
export HISTCONTROL=ignoreboth
export HISTFILESIZE=
export HISTSIZE=
export HISTTIMEFORMAT="%F %T "
export DOCKER_BUILDKIT=1 COMPOSE_DOCKER_CLI_BUILD=1
EOF
cat <<'EOF' >>/etc/inputrc
set completion-ignore-case
set show-all-if-ambiguous On
set show-all-if-unmodified On
EOF
cat <<'EOF' >>/etc/bash.bashrc
if ! shopt -oq posix; then
if [ -f /usr/share/bash-completion/bash_completion ]; then
. /usr/share/bash-completion/bash_completion
elif [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
fi
EOF
# Basic packages
apt-get -y install man bash-completion git ufw jq curl build-essential netcat wget psmisc lz4 file net-tools brotli unzip zip moreutils dnsutils fail2ban xauth sysfsutils rsync iperf pv tree mc screen ssh iotop htop awscli whois sudo
# Enable time synchronization
timedatectl set-ntp true
# Configure screen
cat <<'EOF' >>/etc/screenrc
startup_message off
shell -$SHELL
defscrollback 100000
bind l eval clear "scrollback 0" "scrollback 100000"
EOF
# Configure SSH
cat <<'EOF' >>/etc/ssh/sshd_config
Port 521
PasswordAuthentication no
AllowUsers root
X11UseLocalhost no
EOF
systemctl restart ssh
touch /root/.Xauthority
# Firewall
ufw allow in 80/tcp
ufw allow in 443/tcp
ufw allow in 521/tcp
ufw allow in 8080/tcp
ufw allow in 8082/tcp
ufw logging off
ufw --force enable
ufw --force delete 6
ufw --force delete 6
ufw --force delete 6
ufw --force delete 6
ufw --force delete 6
# Optimize
systemctl disable unattended-upgrades.service apt-daily.timer apt-daily-upgrade.timer console-setup.service keyboard-setup.service remote-fs.target man-db.timer systemd-timesyncd.service
sed -i 's/MODULES=most/MODULES=dep/g' /etc/initramfs-tools/initramfs.conf
sed -i 's/COMPRESS=gzip/COMPRESS=lz4/g' /etc/initramfs-tools/initramfs.conf
echo 'RESUME=none' >>/etc/initramfs-tools/conf.d/resume
update-initramfs -u
echo 'GRUB_TIMEOUT=0' >>/etc/default/grub
update-grub
apt-get -y purge apparmor exim\*
for i in $(seq 0 "$(nproc --ignore 1)"); do
echo "devices/system/cpu/cpu${i}/cpufreq/scaling_governor = performance" >>/etc/sysfs.conf
done
# Disable sleep when closing laptop screen
echo HandleLidSwitch=ignore >>/etc/systemd/logind.conf
# noatime
sed -i 's| / ext4 | / ext4 noatime,|g' /etc/fstab
# Disable swap
swapoff -a
sed -i '/swap/d' /etc/fstab
# Docker
apt-get -y install apt-transport-https ca-certificates curl gnupg2 software-properties-common
curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -
add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"
apt-get update
apt-get -y install docker-ce docker-ce-cli containerd.io
# Docker compose
curl -L "https://github.com/docker/compose/releases/download/1.29.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
curl -L https://raw.githubusercontent.com/docker/compose/1.29.1/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose
# NodeJS
curl -fsSL https://deb.nodesource.com/setup_18.x | bash && apt-get install -y nodejs
# Git
echo deb http://deb.debian.org/debian buster-backports main | tee /etc/apt/sources.list.d/buster-backports.list
apt-get update && apt-get -y install -t buster-backports git
# Generate SSH key
ssh-keygen -ted25519 -f ~/.ssh/id_ed25519 -N ''
# Use Cloudflare DNS server
echo 'supersede domain-name-servers 1.1.1.1;' >>/etc/dhcp/dhclient.conf
# Cleanup
sed -i '/^deb-src/d' /etc/apt/sources.list
apt-get update
apt-get -y purge unattended-upgrades
apt-get -y autoremove --purge
apt-get clean
# SSH Keys Infra Team
curl https://github.com/{harryvasanth,frenchris,kigiri}.keys >>~/.ssh/authorized_keys
# Create Core directories
mkdir -p /root/core/scripts/misc
}
# Check Config
function checkConfig() {
test "$(command -v "${1:-}")" && echo -n ✅ || echo -n ❌
echo " $@"
}
# Check configs in the List
function checkList() {
checkConfig docker-compose
checkConfig docker
checkConfig node
checkConfig git
checkConfig man
checkConfig ufw
checkConfig jq
checkConfig curl
checkConfig netcat
checkConfig wget
checkConfig lz4
checkConfig file
checkConfig brotli
checkConfig unzip
checkConfig zip
checkConfig fail2ban-server
checkConfig xauth
checkConfig rsync
checkConfig iperf
checkConfig pv
checkConfig tree
checkConfig mc
checkConfig screen
checkConfig ssh
checkConfig iotop
checkConfig htop
checkConfig aws
checkConfig whois
checkConfig sudo
test "$(ls ~/.ssh/*.pub 2>/dev/null)" && echo -n ✅ || echo -n ❌
echo " SSH private/public key pair generated"
}
function runHTTPS() {
echo -e "Deploying HTTPS service: \n"
echo "Enter the server FQDN $(tput setaf 2)[System: $(hostname)]$(tput sgr0):"
read httpsFQDN
# Check if the FQDN is valid
if ping -c1 -W1 $httpsFQDN 2>/dev/null; then
cd /root/core/https
DOMAIN=$httpsFQDN ./run.sh
echo -e "HTTPS service is up! \n"
else
echo "$(tput setaf 1)$(tput bold)The FQDN: $httpsFQDN is not reachable$(tput sgr0)"
echo "$(tput setaf 1)Please check your DNS configuration$(tput sgr0)"
runHTTPS
fi
}
# Deploy core repositories
function deployCore() {
# Check for the presence of configurations
test "$(ls ~/.ssh/*.pub 2>/dev/null)" && echo -n "$(tput setaf 2)$(tput bold)Config check passed!$(tput sgr0)" || exit 1
echo -e "$(tput setaf 6)$(tput bold)\nThe core components will be deployed to the server: $(tput sgr0)\n"
# Clone core repositories
git clone git@github.com:01-edu/runner.git /root/core/runner
git clone git@github.com:01-edu/https.git /root/core/https
# Docker login
echo -e "Enter the docker username: "
read dockerUsername
echo -e "Enter the docker password: "
read dockerPassword
docker login docker.01-edu.org -u $dockerUsername -p $dockerPassword
# Deploy HTTPS
runHTTPS
# Deploy Runner
echo -e "Deploying Runner service: \n "
cd /root/core/runner
echo -e "Enter the runner Registry password: "
read registryPassword
REGISTRY_PASSWORD=$registryPassword ./run.sh
echo -e "Runner service is up! \n"
}
function deployPlatform() {
# Check for the presence of configurations
test "$(ls ~/.ssh/*.pub 2>/dev/null)" && echo -n "$(tput setaf 2)$(tput bold)Config check passed!$(tput sgr0)" || exit 1
echo -e "$(tput setaf 6)$(tput bold)\nThe platform components will be deployed to the server: $(tput sgr0)\n"
# Clone platform repository
echo "Enter the server FQDN $(tput setaf 2)[System: $(hostname)]$(tput sgr0):"
read serverFQDN
git clone git@github.com:01-edu/all.git /root/$serverFQDN
cd /root/$serverFQDN
# Generate platform environment file automatically
./generate_env.sh --auto
docker-compose up --build --detach
./redeploy.sh --latest
}
function clonePlatform() {
# Check for the presence of configurations
test "$(ls ~/.ssh/*.pub 2>/dev/null)" && echo -n "$(tput setaf 2)$(tput bold)Config check passed!$(tput sgr0)" || exit 1
echo -e "$(tput setaf 6)$(tput bold)\nThe platform components will be deployed to the server: $(tput sgr0)\n"
# Clone platform repository
echo "Enter the target directory for the platform $(tput setaf 2)[System: $(pwd)/$(hostname)]$(tput sgr0):"
read serverDir
git clone git@github.com:01-edu/all.git $serverDir
cd /$serverDir
# Generate platform environment file automatically
./generate_env.sh --gen
}
if [[ ! -n ${1:-} ]] || [[ "--check" = $1 ]]; then
echo -e "$(tput setaf 2)$(tput bold)Commencing configuration check: $(tput sgr0)"
checkList
echo -e "$(tput setaf 2)\nSystem configuration check complete! $(tput sgr0)\n"
exit 0
elif [[ "--help" = $1 ]]; then
echo "$(tput setaf 2) --check : to check the current configuration. $(tput sgr0)"
echo "$(tput setaf 3) --run : to configure the system. $(tput sgr0)"
echo "$(tput setaf 1) --reboot : to configure the system and reboot. $(tput sgr0)"
echo "$(tput setaf 6) --deploy : to deploy and spin-up platform components. $(tput sgr0)"
echo "$(tput setaf 5) --platform : to clone platform. $(tput sgr0)"
echo "$(tput setaf 7) --help : to display this message. $(tput sgr0)"
elif [[ "--reboot" = $1 ]]; then
echo -e "$(tput setaf 1)$(tput bold)\nSystem will be configured and rebooted. $(tput sgr0)"
sysConfig
echo -e "$(tput setaf 1)\nSystem configuration complete. Rebooting now... $(tput sgr0)"
reboot
elif [[ "--run" = $1 ]]; then
echo -e "$(tput setaf 3)$(tput bold)\nSystem will be configured without rebooting. $(tput sgr0)"
sysConfig
echo -e "$(tput setaf 3)\nSystem configuration complete! $(tput sgr0)"
exit 0
elif [[ "--deploy" = $1 ]]; then
deployCore
deployPlatform
echo -e "$(tput setaf 6)\nRepositories cloned and platform has been deployed successfully! $(tput sgr0)"
exit 0
elif [[ "--platform" = $1 ]]; then
clonePlatform
echo -e "$(tput setaf 5)\nPlatform has been cloned successfully! $(tput sgr0)"
exit 0
else
echo "$(tput setaf 1)$(tput bold) Unknown configuration option: $1 $(tput sgr0)"
echo "$(tput setaf 1)Please use --help for all available options. $(tput sgr0)"
echo "$(tput setaf 1)No changes are made $(tput sgr0)"
exit 0
fi