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https://issues.apache.org/jira/browse/KNOX-1583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16681929#comment-16681929
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Kevin Risden commented on KNOX-1583:
------------------------------------
There doesn't seem to be enough information in the page to add the additional
info to the links. The info only exists in the url itself. The links on the
page are absolute links without any more context to derive the needed
parameters.
> YARN v1 UI - Running job log links
> ----------------------------------
>
> Key: KNOX-1583
> URL: https://issues.apache.org/jira/browse/KNOX-1583
> Project: Apache Knox
> Issue Type: Sub-task
> Reporter: Kevin Risden
> Assignee: Kevin Risden
> Priority: Minor
> Fix For: 1.2.0
>
>
> This was identified in KNOX-1023 and KNOX-1270. Best detail to reproduce
> comes from KNOX-1023.
> ----
> When nodemanager links are accessed through YARNUI service, it requires the
> host and port to be appended in the URI , something like:
> {code:java}
> https://host:8443/gateway/sandbox/yarn/nodemanager/node/containerlogs/container_e02_1498543212255_0001_01_000001/user?host=nm-host&port=8042
> {code}
> When I'm coming from the RM page, this link is rendered as an absolute one,
> so the rewrite rule works fine and appends the host and port. However, when
> I'm on the NM page itself, the URLs are not absolute(the URL's on NM page are
> relative), so a different rewrite rule applies:
> {code:java}
> DEBUG hadoop.gateway (UrlRewriteProcessor.java:rewrite(164)) - Rewrote URL:
> /node/containerlogs/container_e01_1498485266952_0006_01_000001/hiyer
> qa3july/stderr/?start=-4096, direction: OUT via implicit rule:
> YARNUI/yarn/outbound/node to URL:
> https://host:8443/gateway/sandbox/yarn/node/containerlogs/container_e01_1498485266952_0006_01_000001/user/stderr
> {code}
> As you can see, this link does not contain the host=nm-host&port=8042 at the
> end of query string, so it does not work. This affects log links for running
> tasks, and links for the nodemanager itself.
> So, the links on NM page of type
> {code:java}
> href=/syslog
> {code}
> gets transformed to
> {code:java}
> https://host:8443/gateway/sandbox/yarn/nodemanager/node/containerlogs/container_e02_1498543212255_0001_01_000001/user/syslog
> {code}
> whereas it should have been transformed to
> {code:java}
> https://host:8443/gateway/sandbox/yarn/nodemanager/node/containerlogs/container_e02_1498543212255_0001_01_000001/user/syslog?host=nm-host&port=8042{code}
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