#!/bin/sh
# wait-for-multiple.sh (POSIX / sh version)

set -e

HOSTS=""
CMD=""

while [ $# -gt 0 ]; do
  case "$1" in
    --)
      shift
      CMD="$*"
      break
      ;;
    *)
      HOSTS="$HOSTS $1"
      shift
      ;;
  esac
done

if [ -z "$HOSTS" ]; then
  echo "Usage: $0 host1:port1 host2:port2 ... -- command args"
  exit 1
fi

wait_host() {
  hostport="$1"
  /usr/bin/wait-for-it.sh "$hostport" --timeout=30 --strict
}

PIDS=""
for h in $HOSTS; do
  wait_host "$h" &
  PIDS="$PIDS $!"
done

FAIL=0
for pid in $PIDS; do
  wait $pid || FAIL=1
done

if [ $FAIL -ne 0 ]; then
  echo "One or more hosts failed to become available"
  exit 1
fi

exec $CMD