Files
vim-ale/ssh-utils/ssh-adduser.sh
2020-06-30 18:13:22 +00:00

50 lines
1.5 KiB
Bash

#!/bin/bash
{
set -e
set -u
# TODO: a more complete VPS setup
# TODO would $EUID be better?
if [ "root" != "$(whoami)" ]; then
echo "webi adduser: running user is already a non-root user"
exit 0
fi
#apt-get -y update
#apt-get -y install curl wget rsync git
# Add User app
# Picking 'app' because that seems to be what the # Docker/Vagrant
# crowd is doing. TODO: Other ideas? me, user, tron
adduser --disabled-password --gecos "" app
my_password=$(openssl rand -hex 16)
printf "$my_password"'\n'"$my_password" | passwd app
# make 'app' a sudo-er (admin)
adduser app sudo
echo "app ALL=(ALL:ALL) NOPASSWD: ALL" | tee /etc/sudoers.d/app
# allow users who can already login as 'root' to login as 'app'
mkdir -p /home/app/.ssh/
chmod 0700 /home/app/.ssh/
cp -r "$HOME/.ssh/authorized_keys" /home/app/.ssh/
chmod 0600 /home/app/.ssh/authorized_keys
touch /home/app/.ssh/config
chmod 0644 /home/app/.ssh/config
chown -R app:app /home/app/.ssh/
# ensure that 'app' has an SSH Keypair
sudo -i -u app bash -c 'ssh-keygen -b 2048 -t rsa -f /home/app/.ssh/id_rsa -q -N ""'
# Install webi for the new 'app' user
WEBI_HOST=${WEBI_HOST:-"https://webinstall.dev"}
sudo -i -u app bash -c "curl -fsSL '$WEBI_HOST/webi' | bash" \
|| sudo -i -u app bash -c "wget -q -O - '$WEBI_HOST/webi' | bash"
# TODO ensure that ssh-password login is off
echo "Created user 'app' with password '$my_password'"
}