TechEmpower.FrameworkBenchmarks/frameworks/Erlang/elli/setup_erlang.py

import subprocess
import sys
import setup_util

def start(args, logfile, errfile):
  setup_util.replace_text("elli/src/elli_bench_sup.erl", "\"benchmarkdbpass\", \".*\", 3306", "\"benchmarkdbpass\", \"" + args.database_host + "\", 3306")
  
  try:
    subprocess.check_call("rm -rf deps/*", shell=True, cwd="elli", stderr=errfile, stdout=logfile)
    subprocess.check_call("$IROOT/rebar/rebar get-deps", shell=True, cwd="elli", stderr=errfile, stdout=logfile)
    subprocess.check_call("$IROOT/rebar/rebar compile", shell=True, cwd="elli", stderr=errfile, stdout=logfile)
    # adding +K true seemed to actually slow performance
    subprocess.check_call("erl -pa ebin deps/*/ebin +sbwt very_long +swt very_low -s elli_bench -noshell -detached", shell=True, cwd="elli", stderr=errfile, stdout=logfile)
    return 0
  except subprocess.CalledProcessError:
    return 1
def stop(logfile, errfile):
  try:
    subprocess.check_call("killall beam.smp", shell=True, cwd="/usr/bin", stderr=errfile, stdout=logfile)
    return 0
  except subprocess.CalledProcessError:
    return 1