#!/usr/bin/env nix-shell
#!nix-shell -i bash ../../shell.nix
# shellcheck shell=bash
set -Eeuo pipefail
cd "$(dirname "${BASH_SOURCE[0]}")"
cd ../../

VPS_COMMIT_SHA="$(git rev-parse HEAD)"
export VPS_COMMIT_SHA
echo "Shutting down running containers and backing up data..."
ssh "$TLD" "cd /home/vps/ && docker-compose down"
scp ./secrets/borg_remote.pub "$TLD":/root/.ssh/id_rsa.pub
scp ./secrets/borg_remote "$TLD":/root/.ssh/id_rsa
envsubst < ./scripts/box/run-backup-template.sh | ssh "$TLD" 'cat > /home/vps/run-backup.sh && chmod +x /home/vps/run-backup.sh'
ssh "$TLD" /home/vps/run-backup.sh
echo "Done."

echo "Running 'terraform plan' and storing the planfile..."
# Terraform plan
terraform --version
terraform init
mkdir -p "../vps-state/secrets/plan-files/"
PLAN_FILE_NAME="$(date -Iseconds)-$VPS_COMMIT_SHA.tfplan"
PLAN_FILE_PATH="../vps-state/secrets/plan-files/$PLAN_FILE_NAME"
terraform plan -input=false -out="$PLAN_FILE_PATH"

# Store on git repo
pushd ../vps-state/
git add "secrets/plan-files/$PLAN_FILE_NAME"
git commit -m "CI: add .tfplan plan file for CI run $VPS_COMMIT_SHA"
git push origin master
popd
echo "Done."

echo "Running 'terraform apply'..."
terraform apply -input=false -auto-approve "$PLAN_FILE_PATH"
echo "Done."

echo "Storing .tfstate file..."
pushd ../vps-state/
git add secrets/terraform.tfstate secrets/terraform.tfstate.backup
git commit -m "CI: update Terraform .tfstate files for CI run $VPS_COMMIT_SHA"
git push origin master
popd
echo "Done."

echo "Locking git-crypt repositories back..."
git crypt lock
pushd ../vps-state/
git crypt lock
popd
echo "Done."