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https://issues.apache.org/jira/browse/KNOX-670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15142070#comment-15142070
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Kevin Minder edited comment on KNOX-670 at 2/11/16 12:54 AM:
-------------------------------------------------------------
For the next phase I'm considering allowing the mixing of <service> and
<application> within a topology as requested by [~lmccay]. I originally
restricted this because I was trying to solve the "single application topology"
and avoid potential confusion between applications and services trying to bind
to the same paths. I particular I want to ensure that a sample.war application
can easily be made accessible from a topology file conf/topologies/sample.xml
at https://localhost:8443/gateway/sample without any confusion. For the next
phase I'm considering adding a <context> to <application>.
{code}
<topology>
<application>
<name>sample</name>
<context>example</context>
</application>
</topology>
{code}
This will result in the sample.war being available at
https://localhost:8443/gateway/sample/example. This could also be specified as
<context>/example</context>. However specifying a blank or / context will make
the application available at the root.
{code:xml}
<topology>
<application>
<name>sample</name>
<context>/</context>
</application>
</topology>
{code}
This will result in the sample.war being available at
https://localhost:8443/gateway/sample
There will of course need to be validation done to ensure that no two <context>
settings within a given topology have the same value. In addition I do not
believe that a blank or root context should be allowed in a topology with mixed
services and applications.
So a more complex topology conf/topologies/sandbox.xml might now look like this:
{code:xml}
<topology>
<gateway>
...
</gateway>
<application>
<name>idp</name> <!-- conf/applications/idp.war (Shibboleth)-->
<context>/sso</context> <!-- https://localhost:8443/gateway/sandbox/sso
-->
</application>
<application>
<name>knoxlogin</name> <!-- conf/applications/knoxlogin.war -->
<context>/login</context> <!--
https://localhost:8443/gateway/sandbox/login -->
</application>
<application>
<name>testpage</name> <!-- conf/applications/testpage.war -->
<!-- https://localhost:8443/gateway/sandbox/testpage -->
</application>
<service>
<role>WEBHDFS</role>
<url>...</url>
</service>
</topology>
{code}
Note that if <context> is not present as with the testpage example then the
context defaults to name.
was (Author: kminder):
For the next phase I'm considering allowing the mixing of <service> and
<application> within a topology as requested by [~lmccay]. I originally
restricted this because I was trying to solve the "single application topology"
and avoid potential confusion between applications and services trying to bind
to the same paths. I particular I want to ensure that a sample.war application
can easily be made accessible from a topology file conf/topologies/sample.xml
at https://localhost:8443/gateway/sample without any confusion. For the next
phase I'm considering adding a <context> to <application>.
{code}
<topology>
<application>
<name>sample</name>
<context>example</context>
</application>
</topology>
{code}
This will result in the sample.war being available at
https://localhost:8443/gateway/sample/example. This could also be specified as
<context>/example</context>. However specifying a blank or / context will make
the application available at the root.
{code:xml}
<topology>
<application>
<name>sample</name>
<context>/</context>
</application>
</topology>
{code}
This will result in the sample.war being available at
https://localhost:8443/gateway/sample
There will of course need to be validation done to ensure that no two <context>
settings within a given topology have the same value. In addition I do not
believe that a blank or root context should be allowed in a topology with mixed
services and applications.
So a more complex topology might now look like this:
{code:xml}
<topology>
<gateway>
...
</gateway>
<application>
<name>idp</name> <!-- conf/applications/idp.war (Shibboleth)-->
<context>/sso</context> <!-- https://localhost:8443/gateway/sandbox/sso
-->
</application>
<application>
<name>knoxlogin</name> <!-- conf/applications/knoxlogin.war -->
<context>/login</context> <!--
https://localhost:8443/gateway/sandbox/login -->
</application>
<application>
<name>testpage</name> <!-- conf/applications/testpage.war -->
<!-- https://localhost:8443/gateway/sandbox/testpage -->
</application>
<service>
<role>WEBHDFS</role>
<url>...</url>
</service>
</topology>
{code}
Note that if <context> is not present as with the testpage example then the
context defaults to name.
> Knox Should be able to Host Simple Web Apps
> -------------------------------------------
>
> Key: KNOX-670
> URL: https://issues.apache.org/jira/browse/KNOX-670
> Project: Apache Knox
> Issue Type: Bug
> Components: Server
> Reporter: Larry McCay
> Assignee: Kevin Minder
> Fix For: 0.9.0
>
> Attachments: KNOX-670_001.patch, KNOX-670_002.patch
>
>
> I think that we need the ability to serve up arbitrary web app resources.
> Given a conf/applications along side conf/topologies, we should be able to
> spin up a simple application that can be used as a central login facility
> with KnoxSSO, a management UI or any number of simple applications.
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