Vultr boot startup script - mn-bootstrap prep

vps-mn-boostratp-prep.sh

#!/bin/sh
# Based on instructions from
# https://docs.dash.org/en/stable/masternodes/setup-testnet.html
#
# See https://www.vultr.com/docs/vultr-startup-scripts-quickstart-guide
# for details of using Vultr startup scripts

# Add new user
USERNAME=yourusernamehere # Username to create

# Update packages
apt-get update && apt-get -y upgrade

# Add new user
adduser --disabled-password --gecos "" $USERNAME
echo "NOTE: Must set password via 'passwd $USERNAME' as root"
usermod -aG sudo $USERNAME
mkdir -p /home/$USERNAME/.ssh
chown -R $USERNAME:$USERNAME /home/$USERNAME/.ssh

# Copy SSH key to created user and set ownership
# NOTE: For this to work you must add SSH Keys in my.vultr.com
#  See https://www.vultr.com/docs/deploy-a-new-server-with-an-ssh-key
cp /root/.ssh/authorized_keys /home/$USERNAME/.ssh/authorized_keys
chown -R $USERNAME:$USERNAME /home/$USERNAME/.ssh/

# Setup firewall
ufw allow ssh/tcp
ufw limit ssh/tcp
ufw allow 19999/tcp
ufw allow 26656/tcp
ufw allow 3000/tcp
ufw allow 3010/tcp
ufw allow 20001/tcp
ufw allow 20101/tcp
ufw allow 20201/tcp
ufw allow 20301/tcp
ufw logging on
ufw enable

# Setup swap
fallocate -l 4G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile
grep -qxF '/swapfile none swap sw 0 0' /etc/fstab || echo '/swapfile none swap sw 0 0' >> /etc/fstab

# Fail2ban
#apt install fail2ban

# mn-bootstrap dependency install
apt install -y git build-essential
apt install -y apt-transport-https ca-certificates curl gnupg lsb-release

## Node LTS
curl -sL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
sudo apt install -y nodejs

## Remove packaged version of Docker
apt-get remove docker docker.io containerd runc -y

## Install current Docker
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo   "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
    bionic stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
apt-get update
apt-get install -y docker-ce docker-ce-cli containerd.io

## Docker-compose install
curl -L "https://github.com/docker/compose/releases/download/1.28.5/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

# Add user to docker group
usermod -aG docker $USERNAME
newgrp docker
systemctl enable docker
systemctl enable containerd

# Perform actions as user
su $USERNAME
HOME=/home/$USERNAME
cd /home/$USERNAME

## Install mn-bootstrap (defaults to dev branch)
git clone https://github.com/dashevo/mn-bootstrap.git
cd mn-bootstrap
git checkout v0.19-dev
# npm ci
# sudo npm link

## Fix folder/file ownership
chown -R $USERNAME:$USERNAME /home/$USERNAME/mn-bootstrap*

# After logging in, run this to start local network:
# bin/mn setup local --node-count=3 -v # verbose
# or
# bin/mn setup local --node-count=3