#!/usr/bin/env bash

set -euo pipefail

project_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
namespace=${NAMESPACE:-default}
release_name=${RELEASE_NAME:-traefik-error-pages}
values_file=${VALUES_FILE:-values-brunner-ninja.yaml}
deployment_name=${DEPLOYMENT_NAME:-traefik-error-pages}

case "${values_file}" in
  /*) ;;
  *) values_file="${project_dir}/${values_file}" ;;
esac

rendered=$(mktemp)
trap 'rm -f "${rendered}"' EXIT

kubectl get crd middlewares.traefik.io >/dev/null
helm lint "${project_dir}" --values "${values_file}"
helm template "${release_name}" "${project_dir}" \
  --namespace "${namespace}" \
  --values "${values_file}" > "${rendered}"

kubectl apply --dry-run=server --filename "${rendered}"
kubectl apply --filename "${rendered}"
kubectl --namespace "${namespace}" rollout status \
  "deployment/${deployment_name}" --timeout=120s

printf 'Installed %s in namespace %s\n' "${release_name}" "${namespace}"