#!/bin/sh

set -o errexit
set -o nounset

mkdir -p /tmp
LOG_PIPE="$(mktemp -u)"
mkfifo "$LOG_PIPE"

(
  while IFS= read -r line; do
    if echo "$line" | grep -qEi "WARN|ERROR|FATAL"; then
      echo "$line" >&2
    else
      echo "$line"
    fi
  done < "$LOG_PIPE"
) &
LOG_PID=$!

trap 'kill $LOG_PID' EXIT

exec /bin/prometheus-podman-exporter "$@" > "$LOG_PIPE" 2>&1