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Start WebUI by default. (#6493)

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This commit is contained in:
Robert Nishihara
2019-12-27 13:49:07 -08:00
committed by Philipp Moritz
parent 088ce2d1e1
commit 8724e5ffd5
8 changed files with 91 additions and 52 deletions
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python/ray/services.py
+38 -23
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@@ -1018,7 +1018,8 @@ def start_reporter(redis_address,
return process_info
def start_dashboard(host,
def start_dashboard(require_webui,
host,
redis_address,
temp_dir,
stdout_file=None,
@@ -1027,6 +1028,9 @@ def start_dashboard(host,
"""Start a dashboard process.
Args:
require_webui (bool): If true, this will raise an exception if we fail
to start the webui. Otherwise it will print a warning if we fail
to start the webui.
host (str): The host to bind the dashboard web server to.
redis_address (str): The address of the Redis instance.
temp_dir (str): The temporary directory used for log files and
@@ -1066,37 +1070,48 @@ def start_dashboard(host,
if sys.version_info <= (3, 0):
return None, None
webui_dependencies_present = True
try:
import aiohttp # noqa: F401
import psutil # noqa: F401
import setproctitle # noqa: F401
import grpc # noqa: F401
except ImportError:
raise ImportError(
webui_dependencies_present = False
warning_message = (
"Failed to start the dashboard. The dashboard requires Python 3 "
"as well as 'pip install aiohttp psutil setproctitle grpcio'.")
if require_webui:
raise ImportError(warning_message)
else:
logger.warning(warning_message)
process_info = start_ray_process(
command,
ray_constants.PROCESS_TYPE_DASHBOARD,
stdout_file=stdout_file,
stderr_file=stderr_file)
dashboard_url = "http://{}:{}".format(
host if host == "127.0.0.1" else get_node_ip_address(), port)
print("\n" + "=" * 70)
print("View the dashboard at {}.".format(dashboard_url))
if host == "127.0.0.1":
note = (
"Note: If Ray is running on a remote node, you will need to set "
"up an SSH tunnel with local port forwarding in order to access "
"the dashboard in your browser, e.g. by running "
"'ssh -L {}:{}:{} <username>@<host>'. Alternatively, you can set "
"webui_host=\"0.0.0.0\" in the call to ray.init() to allow direct "
"access from external machines.")
note = note.format(port, host, port)
print("\n".join(textwrap.wrap(note, width=70)))
print("=" * 70 + "\n")
return dashboard_url, process_info
if webui_dependencies_present:
process_info = start_ray_process(
command,
ray_constants.PROCESS_TYPE_DASHBOARD,
stdout_file=stdout_file,
stderr_file=stderr_file)
dashboard_url = "http://{}:{}".format(
host if host == "127.0.0.1" else get_node_ip_address(), port)
print("\n" + "=" * 70)
print("View the dashboard at {}.".format(dashboard_url))
if host == "127.0.0.1":
note = (
"Note: If Ray is running on a remote node, you will need to "
"set up an SSH tunnel with local port forwarding in order to "
"access the dashboard in your browser, e.g. by running "
"'ssh -L {}:{}:{} <username>@<host>'. Alternatively, you can "
"set webui_host=\"0.0.0.0\" in the call to ray.init() to "
"allow direct access from external machines.")
note = note.format(port, host, port)
print("\n".join(textwrap.wrap(note, width=70)))
print("=" * 70 + "\n")
return dashboard_url, process_info
else:
return None, None
def start_raylet(redis_address,