[GitHub] fgreg commented on a change in pull request #23: SDAP-124 Add ability to submit custom code for execution.

[GitBox <gi...@apache.org>]

fgreg commented on a change in pull request #23: SDAP-124 Add ability to submit custom code for execution.
URL: https://github.com/apache/incubator-sdap-nexus/pull/23#discussion_r202903815
 
 

 ##########
 File path: analysis/webservice/webapp_livy.py
 ##########
 @@ -0,0 +1,102 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import ConfigParser
+import logging
+import sys
+import os
+import pkg_resources
+import tornado.web
+from tornado.options import define, options, parse_command_line
+from webservice.NexusLivyHandler import LivyHandler
+
+class RunFileHandler(tornado.web.RequestHandler):
+
+    _id = 0
+            
+    def __init__(self, *args, **kwargs):
+        self._lh = kwargs.pop('lh', None)
+        super(RunFileHandler, self).__init__(*args, **kwargs)
+
+    def post(self):
+        self._upload_file = self.request.files['file'][0]
+        upload_fname = 'upload_'+str(RunFileHandler._id)+'.py'
+        while os.path.exists(upload_fname):
+            RunFileHandler._id += 1
+            upload_fname = 'upload_'+str(RunFileHandler._id)+'.py'
+        RunFileHandler._id += 1
+        with open(upload_fname, 'w') as f:
+            f.write(self._upload_file['body'])
+        try:
+            ans = self._lh.exec_file(upload_fname)
+        except Exception, e:
+            ans = str(e)
+        self.write(str(ans))
+
+
+class RunStrHandler(tornado.web.RequestHandler):
+            
+    def __init__(self, *args, **kwargs):
+        self._lh = kwargs.pop('lh', None)
+        super(RunStrHandler, self).__init__(*args, **kwargs)
+
+    def post(self):
+        self._upload_str = self.request.body
+        ans = self._lh.exec_str(self._upload_str)
+        self.write(str(ans))
+
+
+if __name__ == "__main__":
+
+    # Configure logger.
+    logging.basicConfig(
+        level=logging.DEBUG,
+        format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+        datefmt="%Y-%m-%dT%H:%M:%S", stream=sys.stdout)
+    log = logging.getLogger(__name__)
+
+    # Configure tornado.
+    webconfig = ConfigParser.RawConfigParser()
+    webconfig.readfp(pkg_resources.resource_stream(__name__, "config/web.ini"), filename='web.ini')
+    define("debug", default=False, help="run in debug mode")
+    define("port", default=webconfig.get("livy", "server.socket_port"), help="run on the given port", type=int)
+    define("address", default=webconfig.get("livy", "server.socket_host"), help="Bind to the given address")
+    parse_command_line()
+    log.info("Initializing on host address '%s'" % options.address)
+    log.info("Initializing on port '%s'" % options.port)
+    log.info("Starting web server in debug mode: %s" % options.debug)
+
+    # Start up Livy Spark session.
+    livy_host = webconfig.get("livy", "livy_host")
+    livy_port = webconfig.get("livy", "livy_port")
+    livy_url = 'http://' + livy_host + ':' + livy_port
+    lh = LivyHandler()
+    #lh = LivyHandler(host=livy_url)
 
 Review comment:
   Shouldn't this be uncommented? You want to run against the configured livy url don't you?

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services