Integration of Webui with Ray (#32)

* Initial integration of webui with ray

* Re-organized calling of build-webui in setup.py

* Fixed Lint comments on js code

* Fixed more lint issues

* Fixed various issues

* Fixed directory in services.py

* Small changes.

* Changes to match lint

lib/python/MANIFEST.in

@@ -0,0 +1 @@
+recursive-include webui *

lib/python/ray/services.py

@@ -161,6 +161,22 @@ def start_worker(address_info, worker_path, cleanup=True):
   if cleanup:
     all_processes.append(p)
 
+def start_webui(redis_port, cleanup=True):
+  """This method starts the web interface.
+
+  Args:
+    redis_port (int): The redis server's port
+    cleanup (bool): True if using Ray in local mode. If cleanup is true, then
+      this process will be killed by services.cleanup() when the Python process
+      that imported services exits. This is True by default.
+  """
+  executable = "nodejs" if sys.platform == "linux" or sys.platform == "linux2" else "node"
+  command = [executable, os.path.join(os.path.abspath(os.path.dirname(__file__)), "../webui/index.js"), str(redis_port)]
+  with open("/tmp/webui_out.txt", "wb") as out:
+    p = subprocess.Popen(command, stdout=out)
+  if cleanup:
+    all_processes.append(p)
+
 def start_ray_local(node_ip_address="127.0.0.1", num_workers=0, worker_path=None):
   """Start Ray in local mode.
 
@@ -196,4 +212,5 @@ def start_ray_local(node_ip_address="127.0.0.1", num_workers=0, worker_path=None
     start_worker(address_info, worker_path, cleanup=True)
   time.sleep(0.3)
   # Return the addresses of the relevant processes.
+  start_webui(redis_port)
   return address_info

lib/python/setup.py

@@ -1,10 +1,15 @@
 from __future__ import print_function
 
+import os
 import subprocess
 
 from setuptools import setup, find_packages
 import setuptools.command.install as _install
 
+subprocess.check_call(["../../build-webui.sh"])
+datafiles = [(root, [os.path.join(root, f) for f in files])
+    for root, dirs, files in os.walk("./webui")]
+
 class install(_install.install):
   def run(self):
     subprocess.check_call(["../../build.sh"])
@@ -22,6 +27,7 @@ setup(name="ray",
                                "lib/python/libplasma.so"],
                     "photon": ["build/photon_scheduler",
                                "libphoton.so"]},
+      data_files=datafiles,
       cmdclass={"install": install},
       install_requires=["numpy",
                         "funcsigs",