riju/packer/provision.bash

55 lines
1.6 KiB
Bash

#!/usr/bin/env bash
set -euo pipefail
export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get dist-upgrade
apt-get install -y curl gnupg lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
ubuntu_name="$(lsb_release -cs)"
tee -a /etc/apt/sources.list.d/custom.list >/dev/null <<EOF
deb [arch=amd64] https://download.docker.com/linux/ubuntu ${ubuntu_name} stable
EOF
apt-get update
apt-get install docker-ce docker-ce-cli containerd.io
sed -i "s#DOCKER_REPO_REPLACED_BY_PACKER#${DOCKER_REPO}#" /usr/local/bin/riju-deploy
for user in admin deploy; do
if ! grep -vq "PRIVATE KEY" "/tmp/id_${user}.pub"; then
echo "${user} public key was set to a private key, aborting" >&2
exit 1
fi
IFS=" " read contents < "/tmp/id_${user}.pub"
echo "${contents}" > "/tmp/id_${user}.pub"
done
sed -Ei 's/^#?PermitRootLogin .*/PermitRootLogin no/' /etc/ssh/sshd_config
sed -Ei 's/^#?PasswordAuthentication .*/PasswordAuthentication no/' /etc/ssh/sshd_config
sed -Ei 's/^#?PermitEmptyPasswords .*/PermitEmptyPasswords no/' /etc/ssh/sshd_config
passwd -l root
useradd admin -g admin -G sudo -s /usr/bin/bash -p "$(echo "${ADMIN_PASSWORD}" | mkpasswd -s)" -m
useradd deploy -s /usr/bin/bash -p "!"
for user in admin deploy; do
mkdir -p "/home/${user}/.ssh"
mv "/tmp/id_${user}.pub" "/home/${user}/.ssh/authorized_keys"
chown -R "${user}:${user}" "/home/${user}/.ssh"
chmod -R go-rwx "/home/${user}/.ssh"
done
sed -i 's/^/command="sudo riju-deploy",restrict/' /home/deploy/.ssh/authorized_keys
cat <<"EOF" > /etc/sudoers.d/riju
deploy ALL=(root) NOPASSWD: /usr/local/bin/riju-deploy
EOF