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From "Matthew Mead-Briggs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-7886) Add master hook for setting environment variables
Date Tue, 29 Aug 2017 11:04:00 GMT

    [ https://issues.apache.org/jira/browse/MESOS-7886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16145113#comment-16145113
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Matthew Mead-Briggs commented on MESOS-7886:
--------------------------------------------

[~kaysoky] do you have any more thoughts? I'm hoping to find some more time this week to have
another look at getting this working in my local environment. If you think this approach is
a complete non-starter then please shout up.

> Add master hook for setting environment variables
> -------------------------------------------------
>
>                 Key: MESOS-7886
>                 URL: https://issues.apache.org/jira/browse/MESOS-7886
>             Project: Mesos
>          Issue Type: Improvement
>          Components: modules
>            Reporter: Matthew Mead-Briggs
>
> At Yelp we're planning to integrate our secret store with our platform as a service which
runs on Mesos.
> I was hoping to write a module to "inject" environment variables on the master side but
the necessary hook doesn't currently exist. Such a hook already exists on the slave side.
However, for this integration that would require me to give all the agents access to the secret
store and I'd much prefer to limit this to the master side.
> There is already a hook for adding labels:
> https://github.com/apache/mesos/blob/72752fc6deb8ebcbfbd5448dc599ef3774339d31/include/mesos/hook.hpp#L44-L48
> So it seems it should be pretty easy to add one for setting environment variables too?
I had a crack the other day but although I got my code to compile something was not working
at runtime (note: I'm not a C++ dev). Is there any reason why we wouldn't want such a hook?
If anyone can confirm that it's a sane thing to add then I'd be happy to spend some time trying
to get it working (although I may need some help)!



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