#!/usr/bin/env bash

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -o pipefail

BENCHMARK_REPO='https://github.com/apache/geode-benchmarks'
BENCHMARK_BRANCH='develop'

REPO='https://github.com/apache/geode'

while (( "$#" )); do
  case $1 in
    -t|--tag )
      if [ "$2" ]; then
        TAG=$2
        shift
      else
        echo 'ERROR: "--tag" requires a non-empty argument.'
        exit 1
      fi
      ;;
    -h|--help|-\? )
      echo "Usage: $(basename "$0") -t tag [options ...] [-- arguments ...]"
      echo "Options:"
      echo "-t|--tag : Cluster tag"
      echo "--ci : Set if starting instances for Continuous Integration"
      echo "-- : All subsequent arguments are passed to the benchmark task as arguments."
      echo "-h|--help : This help message"
      exit 1
      ;;
    -- )
      shift
      break 2
      ;;
    -?* )
      printf 'Invalid option: %s\n' "$1" >&2
      exit 1
      ;;
  esac
  shift
done

if [[ -z "${AWS_ACCESS_KEY_ID}" ]]; then
  export AWS_PROFILE="geode-benchmarks"
fi

SSH_OPTIONS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR -i ~/.geode-benchmarks/${TAG}-privkey.pem"
HOSTS=`aws ec2 describe-instances --query 'Reservations[*].Instances[*].PublicIpAddress' --filter "Name=tag:geode-benchmarks,Values=${TAG}" --output text`

for host in ${HOSTS}; do
  echo "Executing on ${host}."
  ssh ${SSH_OPTIONS} geode@${host} "$@" &
done

wait