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Posted to dev@knox.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/02/23 06:05:00 UTC
[jira] [Work logged] (KNOX-2531) Kill Application button in YARN does not work through KNOX
[ https://issues.apache.org/jira/browse/KNOX-2531?focusedWorklogId=731373&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-731373 ]
ASF GitHub Bot logged work on KNOX-2531:
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Author: ASF GitHub Bot
Created on: 23/Feb/22 06:04
Start Date: 23/Feb/22 06:04
Worklog Time Spent: 10m
Work Description: smolnar82 merged pull request #399:
URL: https://github.com/apache/knox/pull/399
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Issue Time Tracking
-------------------
Worklog Id: (was: 731373)
Time Spent: 2h 10m (was: 2h)
> Kill Application button in YARN does not work through KNOX
> ----------------------------------------------------------
>
> Key: KNOX-2531
> URL: https://issues.apache.org/jira/browse/KNOX-2531
> Project: Apache Knox
> Issue Type: Bug
> Affects Versions: 1.4.0
> Reporter: Iain Buclaw
> Priority: Major
> Attachments: image-2021-01-21-12-25-56-040.png
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> I think the fix is similar to KNOX-2456.
> The Kill Application button
> !image-2021-01-21-12-25-56-040.png!
> Ends up being rewritten as: [https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]
> Debug logs show:
> {code:java}
> 2021-01-21 10:20:05,069 DEBUG knox.gateway (UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: /ws/v1/cluster/apps/application, direction: OUT via explicit rule: YARNUI/yarn/outbound/apps/cluster1 to URL: https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application
> 2021-01-21 10:20:05,070 DEBUG knox.gateway (UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: /ws/v1/cluster/apps/application_1611223368889_0003/state', contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' }).done(function(data){ setTimeout(function(){ location.href = '/cluster/app/application_1611223368889_0003'; }, 1000); }).fail(function(data){ console.log(data); }); }}, direction: OUT via explicit rule: YARNUI/yarn/outbound/ws1 to URL: https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state', contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' }).done(function(data){ setTimeout(function(){ location.href = '/cluster/app/application_1611223368889_0003'; }, 1000); }).fail(function(data){ console.log(data); }); }}
> 2021-01-21 11:27:02,958 DEBUG knox.gateway (UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL: /cluster/app/application, direction: OUT via explicit rule: YARNUI/yarn/outbound/cluster/app/application to URL: https://host:443/gateway/proxy/yarn/cluster/app/application
> 2021-01-21 10:20:05,071 TRACE knox.gateway (UrlRewriteProcessor.java:rewrite(167)) - Failed to rewrite URL: https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state, direction: OUT via rule: YARNUI/yarn/outbound/node2, status: FAILURE
> {code}
> This suggests that the original URL path is rewritten twice.
> I suspect it is these two filter rules that's doing the double rewrite.
> {code:java}
> <filter name="YARNUI/yarn/outbound/filter/cluster">
> <content type="*/html">
> <apply path="(https?://[^/':,]+:[\d]+)?/ws/v1/cluster/apps/application" rule="YARNUI/yarn/outbound/apps/cluster1"/>
> <apply path="/ws/v1/.*" rule="YARNUI/yarn/outbound/ws1"/>
> <!-- snip -->
> </content>
> </filter>
> {code}
> Originally, it is: /ws/v1/cluster/apps/application_1611223368889_0003/state
> The first apply path rule matches and rewrites it to: [https://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]
> The second apply rule also matches and rewrites it to: [https://host:443/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state|https://host/gateway/proxy/yarnhttps:/host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0003/state]
> The broken link is then passed through the rewrite rule processor again, doesn't match anything, so a FAILURE logline is written.
>
> The final output of the filtered html is:
> {code:java}
> <button onclick="confirmAction()"><b>Kill Application</b></button>
> <script type="text/javascript">
> function confirmAction() { b = confirm("Are you sure?"); if (b == true) { $.ajax({ type: 'PUT', url: 'https://host:443/gateway/proxy/yarnhttps://host:443/gateway/proxy/yarn/ws/v1/cluster/apps/application_1611223368889_0004/state', contentType: 'application/json', data: '{"state":"KILLED"}', dataType: 'json' }).done(function(data){ setTimeout(function(){ location.href = 'https://host:443/gateway/proxy/yarn/cluster/app/application_1611223368889_0004'; }, 1000); }).fail(function(data){ console.log(data); }); }}
> </script>
> {code}
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