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https://issues.apache.org/jira/browse/KNOX-776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16060302#comment-16060302
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Jesus Alvarez edited comment on KNOX-776 at 6/23/17 2:03 AM:
-------------------------------------------------------------
Patch attached.
As the ambari service definitions for Zeppelin include the Service URL "/ws", I
have added a snippet to not introduce any regression:
_if (!StringUtils.endsWith(backend.toString(), "/ws"))_
_backend.append(pathService[1]);_
The logic added will find the backend url path from
*<protocol>://<host>:<port>/<context>/<path>* and append the *<path>* to the
Service URL.
For Zeppelin, the Service URL in ambari has "/ws" hard coded, so the check will
simply skip appending if a backend url for zepplen is detected
<protocol>://<host>:<port>/"ws" to avoid any regression with current zeppelin
setups.
[KNOX-894] looks like a duplicate of this Jira. The endpoints listed there
should all resolve with these new rewrite rules in place.
\# Zeppelin ws test
2017-06-22 18:22:17,594 DEBUG gateway.websockets
(ProxyWebSocketAdapter.java:onWebSocketConnect(87)) - Websocket connection to
backend server ws://cowan1.fyre.ibm.com:9995/ws opened
\# jupyter kernel gateway websocket test
2017-06-22 18:31:35,685 DEBUG server.Server (Server.java:handle(502)) -
RESPONSE
/gateway/default/jkgws/api/kernels/6e85921f-b2ec-4e21-9ae5-5879da835e33/channels
101 handled=true
\# gateway-server tests
Tests run: 103, Failures: 0, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 30.155s
[INFO] Finished at: Thu Jun 22 15:03:42 PDT 2017
[INFO] Final Memory: 22M/444M
was (Author: jesus.alv):
Patch attached.
As the ambari service definitions for Zeppelin include the Service URL "/ws", I
have added a snippet to not introduce any regression:
_if (!StringUtils.endsWith(backend.toString(), "/ws"))_
_backend.append(pathService[1]);_
The logic added will find the backend url path from
*<protocol>://<host>:<port>/<path>* and append the *<path>* to the Service URL.
For Zeppelin, the Service URL in ambari has "/ws" hard coded, so the check will
simply skip appending if a backend url for zepplen is detected
<protocol>://<host>:<port>/"ws" to avoid any regression with current zeppelin
setups.
[KNOX-894] looks like a duplicate of this Jira. The endpoints listed there
should all resolve with these new rewrite rules in place.
\# Zeppelin ws test
2017-06-22 18:22:17,594 DEBUG gateway.websockets
(ProxyWebSocketAdapter.java:onWebSocketConnect(87)) - Websocket connection to
backend server ws://cowan1.fyre.ibm.com:9995/ws opened
\# jupyter kernel gateway websocket test
2017-06-22 18:31:35,685 DEBUG server.Server (Server.java:handle(502)) -
RESPONSE
/gateway/default/jkgws/api/kernels/6e85921f-b2ec-4e21-9ae5-5879da835e33/channels
101 handled=true
\# gateway-server tests
Tests run: 103, Failures: 0, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 30.155s
[INFO] Finished at: Thu Jun 22 15:03:42 PDT 2017
[INFO] Final Memory: 22M/444M
> Rewrite rule handling for Websockets
> ------------------------------------
>
> Key: KNOX-776
> URL: https://issues.apache.org/jira/browse/KNOX-776
> Project: Apache Knox
> Issue Type: Bug
> Components: Server
> Reporter: Sandeep More
> Assignee: Jesus Alvarez
> Fix For: 0.14.0
>
> Attachments: KNOX-776.patch
>
>
> Currently we simply proxy websocket payload we should support some form of
> rewrite rule handling.
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