<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><div class="gmail_default" style="display:inline"></div><span style="font-family:arial,sans-serif">On Sun, Feb 22, 2015 at 11:07 PM, Grant Mc Auley </span><span dir="ltr" style="font-family:arial,sans-serif"><<a href="mailto:gamcauley@gmail.com" target="_blank">gamcauley@gmail.com</a>></span><span style="font-family:arial,sans-serif"> wrote:</span><br></div><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>While the issue was essentially the unopened port 80, your three suggestions helped with some additional trouble shooting: I was getting an error about an extra argument in run() and finally realized that by using '/now/' instead of '/now', the last forward slash was being considered an argument to the run() method.<br></div></div></blockquote><div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Ah ok, I didn't realize that could be a common pitfall. Adding the slash begins introducing positional arguments into the mix, and it looks like just placing the slash with nothing after it causes Tangelo to pass an empty string to the service.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">I will open an issue to detail this behavior a little better in the documentation. Thanks!</div></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">So, I am off and running with Tangelo ...<br></div></blockquote><div><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Great! Please don't hesitate to come back here if you have any further trouble, and if you feel like it, share with us what you've done!</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">roni</div></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><div class="gmail_quote">On Sun, Feb 22, 2015 at 12:28 PM, Roni Choudhury <span dir="ltr"><<a href="mailto:roni.choudhury@kitware.com" target="_blank">roni.choudhury@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div style="font-family:arial,helvetica,sans-serif">Hi Grant!</div><div style="font-family:arial,helvetica,sans-serif"><br></div><div style="font-family:arial,helvetica,sans-serif">I don't know too much about administering/using EC2 instances, but I wonder if the problem is actual connectivity from the outside. Off the top of my head, I would try these experiments to gather a bit of debug data:</div><div style="font-family:arial,helvetica,sans-serif"><br></div><div style="font-family:arial,helvetica,sans-serif">1. If you log into your EC2 instance while Tangelo is running, and do something along the lines of</div><div style="font-family:arial,helvetica,sans-serif"><br></div><div><span style="font-family:arial,helvetica,sans-serif"> </span><font face="monospace, monospace">curl <a href="http://localhost/now" target="_blank">http://localhost/now</a></font></div><div><font face="monospace, monospace"><br></font></div><div><font face="arial, helvetica, sans-serif">do you get the expected output from the "now" Tangelo service? This will confirm that Tangelo is working properly from "inside" the EC2 instance.</font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">2. From your computer, what happens if you </font><font face="monospace, monospace">ping</font><font face="arial, helvetica, sans-serif"> or </font><font face="monospace, monospace">traceroute</font><font face="arial, helvetica, sans-serif"> to your EC2 instance?</font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">3. If you run </font><font face="monospace, monospace">python -m SimpleHTTPServer</font><font face="arial, helvetica, sans-serif"> from your EC2 instance (in, say, the same directory you are launching Tangelo from), what happens when you navigate to <a href="http://ec2-xx-xx-xx-xx.xx.compute.amazonaws.com:8000/" target="_blank">http://ec2-xx-xx-xx-xx.xx.compute.amazonaws.com:8000/</a> ? If you get the same timeout error, it seems to indicate some more general problem regarding connecting to your EC2 instance from the outside.</font></div><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">I thought of #3 last but you should probably try that one first :-D.</font></div><div><span style="font-family:arial,helvetica,sans-serif"><br></span></div><div><span style="font-family:arial,helvetica,sans-serif">Hopefully this bit of digging will give us a better idea of what's going on. Let us know.</span><span><font color="#888888"><br></font></span></div><span><font color="#888888"><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">roni</font></div></font></span></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Sun, Feb 22, 2015 at 12:26 PM, Grant Mc Auley <span dir="ltr"><<a href="mailto:gamcauley@gmail.com" target="_blank">gamcauley@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div style="font-size:12.8000001907349px"><div>Hello,</div><div><br></div><div>I am excited to try Tangelo, but am having trouble running it on an AWS ec2 instance of Ubuntu LTS 14.04. I am trying to run the 'now.py' example given in a blog post, but am getting a message in the Chrome debugger that the connection is timing out.</div><div><br></div><div>#----------------------------------------------------------------------------------<br></div><div>It seems the server starts OK (although there is an error message):</div><div><br></div><div>ubuntu@ip-172-31-44-22:/usr/local/share/tangelo/web$ sudo tangelo -c /etc/tangelo.conf</div><div>[20/Feb/2015:20:47:36] TANGELO Using configuration file /etc/tangelo.conf</div><div>[20/Feb/2015:20:47:36] TANGELO Access authentication enabled</div><div>[20/Feb/2015:20:47:36] TANGELO Sessions enabled</div><div>[20/Feb/2015:20:47:36] TANGELO Hostname: 0.0.0.0</div><div>[20/Feb/2015:20:47:36] TANGELO Port: 80</div><div>[20/Feb/2015:20:47:36] TANGELO Privilege drop enabled (if necessary)</div><div>[20/Feb/2015:20:47:36] TANGELO User: tangelo</div><div>[20/Feb/2015:20:47:36] TANGELO Group: tangelo</div><div>[20/Feb/2015:20:47:36] TANGELO HTTPS disabled</div><div>[20/Feb/2015:20:47:36] TANGELO Serving content from /usr/local/share/tangelo/web</div><div>[20/Feb/2015:20:47:36] TANGELO Looking for default plugin configuration file in /usr/local/share/tangelo/plugin/plugin.conf</div><div>[20/Feb/2015:20:47:36] TANGELO Using plugin configuration file '/usr/local/share/tangelo/plugin/plugin.conf'</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin girder (from /usr/local/share/tangelo/plugin/girder)</div><div>[20/Feb/2015:20:47:36] PLUGIN ...loading plugin control module</div><div>[20/Feb/2015:20:47:36] PLUGIN Could not import control module:</div><div>Traceback (most recent call last):</div><div> File "/usr/local/lib/python2.7/dist-packages/tangelo/server.py", line 644, in load</div><div> control = self.modules.get(control_file)</div><div> File "/usr/local/lib/python2.7/dist-packages/tangelo/util.py", line 260, in get</div><div> service = imp.load_source(name, module)</div><div> File "/usr/local/share/tangelo/plugin/girder/control.py", line 1, in <module></div><div> from girder.utility.server import configureServer</div><div>ImportError: No module named girder.utility.server</div><div><br></div><div>[20/Feb/2015:20:47:36] PLUGIN Plugin girder failed to load</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin impala (from /usr/local/share/tangelo/plugin/impala)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin mongo (from /usr/local/share/tangelo/plugin/mongo)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin stream (from /usr/local/share/tangelo/plugin/stream)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin vis (from /usr/local/share/tangelo/plugin/vis)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin config (from /usr/local/share/tangelo/plugin/config)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin vtkweb (from /usr/local/share/tangelo/plugin/vtkweb)</div><div>[20/Feb/2015:20:47:36] PLUGIN ...loading plugin control module</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin mapping (from /usr/local/share/tangelo/plugin/mapping)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin svg2pdf (from /usr/local/share/tangelo/plugin/svg2pdf)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin bokeh (from /usr/local/share/tangelo/plugin/bokeh)</div><div>[20/Feb/2015:20:47:36] PLUGIN ...loading python module content</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin ui (from /usr/local/share/tangelo/plugin/ui)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin docs (from /usr/local/share/tangelo/plugin/docs)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin data (from /usr/local/share/tangelo/plugin/data)</div><div>[20/Feb/2015:20:47:36] PLUGIN Loading plugin tangelo (from /usr/local/share/tangelo/plugin/tangelo)</div><div>[20/Feb/2015:20:47:36] TANGELO Performing privilege drop</div><div>[20/Feb/2015:20:47:36] ENGINE Bus STARTING</div><div>[20/Feb/2015:20:47:36] ENGINE Started monitor thread '_TimeoutMonitor'.</div><div>[20/Feb/2015:20:47:36] ENGINE Serving on <a href="http://0.0.0.0/" target="_blank">0.0.0.0:80</a></div><div>[20/Feb/2015:20:47:36] ENGINE Started as uid: 'root' gid: 'root'</div><div>[20/Feb/2015:20:47:36] ENGINE Running as uid: 'tangelo' gid: 'tangelo'</div><div>[20/Feb/2015:20:47:36] ENGINE umask not set</div><div>[20/Feb/2015:20:47:36] Starting WebSocket processing</div><div>[20/Feb/2015:20:47:36] ENGINE Bus STARTED</div><div>[20/Feb/2015:20:47:36] TANGELO Server is running</div><div><br></div><div>#----------------------------------------------------------------------------------</div><div>This is /etc/tangelo/plugin.conf:</div><div><br></div><div><div>enabled: true</div><div>path /usr/local/share/tangelo/plugin/tangelo</div></div><div><br></div><div><br></div><div>#----------------------------------------------------------------------------------<br></div><div><div>This is /etc/tangelo.conf:</div><div><br></div><div># Network options</div><div>hostname: 0.0.0.0</div><div>port: 80</div><div><br></div><div># Privilege drop options</div><div>user: tangelo</div><div>group: tangelo</div><div><br></div><div>#Runtime resources</div><div>root: /usr/local/share/tangelo/web</div></div><div><br></div><div><br></div></div><div style="font-size:12.8000001907349px">#----------------------------------------------------------------------------------<br></div><div style="font-size:12.8000001907349px">This is url I use (the AWS ec2 instance public DNS name followed by 'now':</div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px"><a href="http://ec2-xx-xx-xx-xx.xx.compute.amazonaws.com/now" target="_blank">http://ec2-xx-xx-xx-xx.xx.compute.amazonaws.com/now</a><br></div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">#----------------------------------------------------------------------------------<br></div><div style="font-size:12.8000001907349px">These are the permissions for now.py:</div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">ubuntu@ip-172-31-44-22:/usr/local/share/tangelo/web$ ls -l</div><div style="font-size:12.8000001907349px">total 12</div><div style="font-size:12.8000001907349px">drwxr-xr-x 2 root root 4096 Feb 20 00:05 img</div><div style="font-size:12.8000001907349px">-rw-r--r-- 1 root tangelo 3789 Feb 20 00:05 index.html</div><div style="font-size:12.8000001907349px">-rw-r--r-- 1 root tangelo 67 Feb 20 20:45 now.py</div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px"><br></div><div style="font-size:12.8000001907349px">Pardon me if I am missing something obvious, but any help would be appreciated.</div></div>
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