#!/usr/bin/env bash
set -eu
set -o pipefail

script_path="$(realpath "$(dirname "$0")")"
logfile="/mnt/algo/algo-log-$(date +%s).log"
latest_logfile=/mnt/algo/algo-log-latest.log
algodir="$(mktemp --tmpdir -d launch-algo.XXXXXXXXXX)"

cleanup() {
    if perl -e'exit 1 unless $ARGV[0] =~ m{^/tmp/launch-algo.*$}' "$algodir"; then
        rm -rf "$algodir"
    fi
}
trap cleanup EXIT

touch "$logfile"
ln -sf "$(basename "$logfile")" "$latest_logfile"
echo "Logging to $latest_logfile"

git clone git@github.com:trailofbits/algo "$algodir"
cd "$algodir"

echo "Installing dependencies..."
# shellcheck disable=SC1090
. "${script_path}/algo-virtualenv" >> "$logfile"
python -m pip install -r requirements.txt
echo "done."

rm -f configs/.gitinit
rmdir configs
mkdir -p .venvs
rm -rf /mnt/algo/configs
mkdir -p /mnt/algo/configs
ln -sf /mnt/algo/configs configs
ln -sf "$algodir"/.venvs /mnt/algo/configs/.venvs

git apply "${script_path}/algo-config.diff"

echo "Running Ansible..."
do_token=$(cat /mnt/digitalocean)
ansible-playbook main.yml -e "provider=digitalocean server_name=algo.tozt.net region=nyc3 do_token=$do_token dns_adblocking=false ssh_tunneling=false ondemand_cellular=false ondemand_wifi=false" >> "$logfile"

"${script_path}/../algo-config"

# need to wait for the controlmaster process to exit
# XXX there should be a way to tell it to exit, but i don't know how to
# calculate the correct controlpath
sleep 60
echo "Done"