#!/command/with-contenv bashio
# shellcheck shell=bash
export LOG_FD
# ==============================================================================
# Home Assistant Community App: Netmaker
# Cleans up on daemon exit and takes down the S6 supervision tree on failure
# ==============================================================================
readonly exit_code_container=$(</run/s6-linux-init-container-results/exitcode)
readonly exit_code_service="${1}"
readonly exit_code_signal="${2}"
readonly service="netclient-daemon"

declare iface

bashio::log.info \
  "Service ${service} exited with code ${exit_code_service}" \
  "(by signal ${exit_code_signal})"

# Replicate the cleanup netclient's container entrypoint performs on shutdown.
# The daemon is exec'd, so its own shell trap does not survive; do it here.
iface=$(bashio::config 'interface')
if bashio::var.is_empty "${iface}"; then
  iface="netmaker"
fi
ip rule delete pref 3000 2> /dev/null || true
ip rule delete pref 2500 2> /dev/null || true
ip rule delete pref 2000 2> /dev/null || true
ip link del "${iface}" 2> /dev/null || true

if [[ "${exit_code_service}" -eq 256 ]]; then
  if [[ "${exit_code_container}" -eq 0 ]]; then
    echo $((128 + $exit_code_signal)) > /run/s6-linux-init-container-results/exitcode
  fi
  [[ "${exit_code_signal}" -eq 15 ]] && exec /run/s6/basedir/bin/halt
elif [[ "${exit_code_service}" -ne 0 ]]; then
  if [[ "${exit_code_container}" -eq 0 ]]; then
    echo "${exit_code_service}" > /run/s6-linux-init-container-results/exitcode
  fi
  exec /run/s6/basedir/bin/halt
fi