prepare-instance

#!/bin/sh
(
cat << EOF
#!/bin/sh
set -eu

apt-get install curl git --yes
ARCH=x64
[ "\$(uname -m)" = "aarch64" ] && ARCH=arm64
curl -o /tmp/runner.tar.gz -L https://github.com/actions/runner/releases/download/v2.283.1/actions-runner-linux-\${ARCH}-2.283.1.tar.gz

# Create directory for the runner
mkdir /srv/github-actions/
cd /srv/github-actions/
chown ubuntu:ubuntu /srv/github-actions/

# Unpack the code
sudo -u ubuntu -i tar zxf /tmp/runner.tar.gz -C /srv/github-actions/

# Setup the systemd unit
(
cat << EOG
[Unit]
Description=github - Actions runner
Requires=network-online.target
After=network-online.target

[Service]
Type=oneshot
WorkingDirectory=/srv/github-actions/
ExecStartPre=/usr/bin/sudo -u ubuntu -i /srv/github-actions/config.sh --url ${2} --token ${3} --unattended --ephemeral --labels=${4}
ExecStart=-/usr/bin/sudo -u ubuntu -i /srv/github-actions/run.sh
ExecStartPost=/usr/sbin/poweroff

[Install]
WantedBy=multi-user.target
EOG
) > /etc/systemd/system/github-actions.service
systemctl enable github-actions

# Cleanup
rm /tmp/runner.tar.gz
EOF
) | lxc exec $1 /bin/sh