def test_calling_start_ray_head(call_ray_stop_only):
# Test that we can call ray start with various command line
# parameters. TODO(rkn): This test only tests the --head code path. We
# should also test the non-head node code path.
# Test starting Ray with a redis port specified.
check_call_ray(["start", "--head", "--port", "0"])
check_call_ray(["stop"])
# Test starting Ray with a node IP address specified.
check_call_ray(
["start", "--head", "--node-ip-address", "127.0.0.1", "--port", "0"])
check_call_ray(["stop"])
# Test starting Ray with a system config parameter set.
check_call_ray([
"start", "--head", "--system-config",
"{\"metrics_report_interval_ms\":100}", "--port", "0"
])
check_call_ray(["stop"])
# Test starting Ray with the object manager and node manager ports
# specified.
check_call_ray([
"start", "--head", "--object-manager-port", "12345",
"--node-manager-port", "54321", "--port", "0"
])
check_call_ray(["stop"])
# Test starting Ray with the worker port range specified.
check_call_ray([
"start", "--head", "--min-worker-port", "50000", "--max-worker-port",
"51000", "--port", "0"
])
check_call_ray(["stop"])
# Test starting Ray with a worker port list.
check_call_ray(["start", "--head", "--worker-port-list", "10000,10001"])
check_call_ray(["stop"])
# Test starting Ray with a non-int in the worker port list.
with pytest.raises(subprocess.CalledProcessError):
check_call_ray(["start", "--head", "--worker-port-list", "10000,a"])
check_call_ray(["stop"])
# Test starting Ray with an invalid port in the worker port list.
with pytest.raises(subprocess.CalledProcessError):
check_call_ray(["start", "--head", "--worker-port-list", "100"])
check_call_ray(["stop"])
# Test starting Ray with the number of CPUs specified.
check_call_ray(["start", "--head", "--num-cpus", "2", "--port", "0"])
check_call_ray(["stop"])
# Test starting Ray with the number of GPUs specified.
check_call_ray(["start", "--head", "--num-gpus", "100", "--port", "0"])
check_call_ray(["stop"])
# Test starting Ray with redis shard ports specified.
check_call_ray([
"start", "--head", "--redis-shard-ports", "6380,6381,6382", "--port",
"0"
])
check_call_ray(["stop"])
# Test starting Ray with all arguments specified.
check_call_ray([
"start", "--head", "--redis-shard-ports", "6380,6381,6382",
"--object-manager-port", "12345", "--num-cpus", "2", "--num-gpus", "0",
"--resources", "{\"Custom\": 1}", "--port", "0"
])
check_call_ray(["stop"])
# Test starting Ray with invalid arguments.
with pytest.raises(subprocess.CalledProcessError):
check_call_ray(
["start", "--head", "--address", "127.0.0.1:6379", "--port", "0"])
check_call_ray(["stop"])
# Test --block. Killing a child process should cause the command to exit.
blocked = subprocess.Popen(
["ray", "start", "--head", "--block", "--port", "0"])
wait_for_children_of_pid(blocked.pid, num_children=7, timeout=30)
blocked.poll()
assert blocked.returncode is None
kill_process_by_name("raylet")
wait_for_children_of_pid_to_exit(blocked.pid, timeout=30)
blocked.wait()
assert blocked.returncode != 0, "ray start shouldn't return 0 on bad exit"
# Test --block. Killing the command should clean up all child processes.
blocked = subprocess.Popen(
["ray", "start", "--head", "--block", "--port", "0"])
blocked.poll()
assert blocked.returncode is None
wait_for_children_of_pid(blocked.pid, num_children=7, timeout=30)
blocked.terminate()
wait_for_children_of_pid_to_exit(blocked.pid, timeout=30)
blocked.wait()
assert blocked.returncode != 0, "ray start shouldn't return 0 on bad exit"
def test_calling_start_ray_head(call_ray_stop_only):
# Test that we can call ray start with various command line
# parameters. TODO(rkn): This test only tests the --head code path. We
# should also test the non-head node code path.
# Test starting Ray with no arguments.
subprocess.check_output(["ray", "start", "--head"])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with a redis port specified.
subprocess.check_output(["ray", "start", "--head", "--redis-port", "6379"])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with a node IP address specified.
subprocess.check_output(
["ray", "start", "--head", "--node-ip-address", "127.0.0.1"])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with the object manager and node manager ports
# specified.
subprocess.check_output([
"ray", "start", "--head", "--object-manager-port", "12345",
"--node-manager-port", "54321"
])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with the number of CPUs specified.
subprocess.check_output(["ray", "start", "--head", "--num-cpus", "2"])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with the number of GPUs specified.
subprocess.check_output(["ray", "start", "--head", "--num-gpus", "100"])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with the max redis clients specified.
subprocess.check_output(
["ray", "start", "--head", "--redis-max-clients", "100"])
subprocess.check_output(["ray", "stop"])
if "RAY_USE_NEW_GCS" not in os.environ:
# Test starting Ray with redis shard ports specified.
subprocess.check_output([
"ray", "start", "--head", "--redis-shard-ports", "6380,6381,6382"
])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with all arguments specified.
subprocess.check_output([
"ray", "start", "--head", "--redis-port", "6379",
"--redis-shard-ports", "6380,6381,6382", "--object-manager-port",
"12345", "--num-cpus", "2", "--num-gpus", "0",
"--redis-max-clients", "100", "--resources", "{\"Custom\": 1}"
])
subprocess.check_output(["ray", "stop"])
# Test starting Ray with invalid arguments.
with pytest.raises(subprocess.CalledProcessError):
subprocess.check_output(
["ray", "start", "--head", "--address", "127.0.0.1:6379"])
subprocess.check_output(["ray", "stop"])
# Test --block. Killing a child process should cause the command to exit.
blocked = subprocess.Popen(["ray", "start", "--head", "--block"])
wait_for_children_of_pid(blocked.pid, num_children=7, timeout=30)
blocked.poll()
assert blocked.returncode is None
kill_process_by_name("raylet")
wait_for_children_of_pid_to_exit(blocked.pid, timeout=120)
blocked.wait()
assert blocked.returncode != 0, "ray start shouldn't return 0 on bad exit"
# Test --block. Killing the command should clean up all child processes.
blocked = subprocess.Popen(["ray", "start", "--head", "--block"])
blocked.poll()
assert blocked.returncode is None
wait_for_children_of_pid(blocked.pid, num_children=7, timeout=30)
blocked.terminate()
wait_for_children_of_pid_to_exit(blocked.pid, timeout=120)
blocked.wait()
assert blocked.returncode != 0, "ray start shouldn't return 0 on bad exit"
with pytest.raises(subprocess.CalledProcessError):
check_call_ray(
["start", "--head", "--address", "127.0.0.1:6379", "--port", "0"])
check_call_ray(["stop"])
# Test --block. Killing a child process should cause the command to exit.
blocked = subprocess.Popen(
["ray", "start", "--head", "--block", "--port", "0"])
wait_for_children_of_pid(blocked.pid, num_children=7, timeout=30)
blocked.poll()
assert blocked.returncode is None
kill_process_by_name("raylet")
wait_for_children_of_pid_to_exit(blocked.pid, timeout=30)
blocked.wait()
assert blocked.returncode != 0, "ray start shouldn't return 0 on bad exit"
# Test --block. Killing the command should clean up all child processes.
blocked = subprocess.Popen(
["ray", "start", "--head", "--block", "--port", "0"])
blocked.poll()
assert blocked.returncode is None
wait_for_children_of_pid(blocked.pid, num_children=7, timeout=30)
blocked.terminate()
wait_for_children_of_pid_to_exit(blocked.pid, timeout=30)
blocked.wait()
assert blocked.returncode != 0, "ray start shouldn't return 0 on bad exit"
