import argparse
import os
import sys
from six.moves import shlex_quote
parser = argparse.ArgumentParser(description="Run commands")
parser.add_argument('-w', '--num-workers', default=1, type=int,
help="Number of workers")
parser.add_argument('-r', '--remotes', default=None,
help='The address of pre-existing VNC servers and '
'rewarders to use (e.g. -r vnc://localhost:5900+15900,vnc://localhost:5901+15901).')
parser.add_argument('-e', '--env-id', type=str, default="PongDeterministic-v3",
help="Environment id")
parser.add_argument('-l', '--log-dir', type=str, default="/tmp/pong",
help="Log directory path")
parser.add_argument('-n', '--dry-run', action='store_true',
help="Print out commands rather than executing them")
parser.add_argument('-m', '--mode', type=str, default='tmux',
help="tmux: run workers in a tmux session. nohup: run workers with nohup. child: run workers as child processes")
# Add visualise tag
parser.add_argument('--visualise', action='store_true',
help="Visualise the gym environment by running env.render() between each timestep")
def new_cmd(session, name, cmd, mode, logdir, shell):
if isinstance(cmd, (list, tuple)):
cmd = " ".join(shlex_quote(str(v)) for v in cmd)
if mode == 'tmux':
return name, "tmux send-keys -t {}:{} {} Enter".format(session, name, shlex_quote(cmd))
elif mode == 'child':
return name, "{} >{}/{}.{}.out 2>&1 & echo kill $! >>{}/kill.sh".format(cmd, logdir, session, name, logdir)
elif mode == 'nohup':
return name, "nohup {} -c {} >{}/{}.{}.out 2>&1 & echo kill $! >>{}/kill.sh".format(shell, shlex_quote(cmd), logdir, session, name, logdir)
def create_commands(session, num_workers, remotes, env_id, logdir, shell='bash', mode='tmux', visualise=False):
# for launching the TF workers and for launching tensorboard
base_cmd = [
'CUDA_VISIBLE_DEVICES=',
sys.executable, 'worker.py',
'--log-dir', logdir,
'--env-id', env_id,
'--num-workers', str(num_workers)]
if visualise:
base_cmd += ['--visualise']
if remotes is None:
remotes = ["1"] * num_workers
else:
remotes = remotes.split(',')
assert len(remotes) == num_workers
cmds_map = [new_cmd(session, "ps", base_cmd + ["--job-name", "ps"], mode, logdir, shell)]
for i in range(num_workers):
cmds_map += [new_cmd(session,
"w-%d" % i, base_cmd + ["--job-name", "worker", "--task", str(i), "--remotes", remotes[i]], mode, logdir, shell)]
cmds_map += [new_cmd(session, "eval-worker", base_cmd + ["--job-name", "worker", "--task", str(num_workers), "--remotes", remotes[-1], "--eval"], mode,logdir,shell)]
cmds_map += [new_cmd(session, "tb", ["tensorboard", "--logdir", logdir, "--port", "12345"], mode, logdir, shell)]
if mode == 'tmux':
cmds_map += [new_cmd(session, "htop", ["htop"], mode, logdir, shell)]
windows = [v[0] for v in cmds_map]
notes = []
cmds = [
"mkdir -p {}".format(logdir),
"echo {} {} > {}/cmd.sh".format(sys.executable, ' '.join([shlex_quote(arg) for arg in sys.argv if arg != '-n']), logdir),
]
if mode == 'nohup' or mode == 'child':
cmds += ["echo '#!/bin/sh' >{}/kill.sh".format(logdir)]
notes += ["Run `source {}/kill.sh` to kill the job".format(logdir)]
if mode == 'tmux':
notes += ["Use `tmux attach -t {}` to watch process output".format(session)]
notes += ["Use `tmux kill-session -t {}` to kill the job".format(session)]
else:
notes += ["Use `tail -f {}/*.out` to watch process output".format(logdir)]
notes += ["Point your browser to http://localhost:12345 to see Tensorboard"]
if mode == 'tmux':
cmds += [
"kill $( lsof -i:12345 -t ) > /dev/null 2>&1", # kill any process using tensorboard's port
"kill $( lsof -i:12222-{} -t ) > /dev/null 2>&1".format(num_workers+12222), # kill any processes using ps / worker ports
"tmux kill-session -t {}".format(session),
"tmux new-session -s {} -n {} -d {}".format(session, windows[0], shell)
]
for w in windows[1:]:
cmds += ["tmux new-window -t {} -n {} {}".format(session, w, shell)]
cmds += ["sleep 1"]
for window, cmd in cmds_map:
cmds += [cmd]
return cmds, notes
def run():
args = parser.parse_args()
cmds, notes = create_commands("a3c", args.num_workers, args.remotes, args.env_id, args.log_dir, mode=args.mode, visualise=args.visualise)
if args.dry_run:
print("Dry-run mode due to -n flag, otherwise the following commands would be executed:")
else:
print("Executing the following commands:")
print("\n".join(cmds))
print("")
if not args.dry_run:
if args.mode == "tmux":
os.environ["TMUX"] = ""
os.system("\n".join(cmds))
print('\n'.join(notes))
if __name__ == "__main__":
run()
