[QA] Keeping secrets safe on Jenkins

[Stephen Niedzielski]

Oops, I meant to type "do *not* have a private instance currently". Sorry
about that!


--stephen

On Wed, Aug 12, 2015 at 1:09 PM, Stephen Niedzielski <
sniedzielski at wikimedia.org> wrote:

> Hey Chris! I'm happy to clarify our use cases. Is there something specific
> I can detail?
>
> We do have a private instance currently but do use JJB
> (integration/config)[0]. Do we have any private instances at WMF? This
> might be simplest and most secure.
>
>
> --stephen
>
> [0] We'll soon be running tests too
> https://gerrit.wikimedia.org/r/#/c/230260/
>
> On Wed, Aug 12, 2015 at 11:33 AM, Chris Steipp <csteipp at wikimedia.org>
> wrote:
>
>> Hi Michael / Stephen,
>>
>> Off the top of my head, I believe hashar setup something on our current
>> Jenkins instance to handle passwords. But nothing extreemly secret goes
>> there.
>>
>> There are a number of things we can do to mitigate common attacks. Let's
>> chat about the particular needs and some possible countermeasures we can
>> put into place.
>>
>> For background, is your team running its own jenkins instance currently?
>>
>>
>> On Wed, Aug 12, 2015 at 7:54 AM, Michael Holloway <
>> mholloway at wikimedia.org> wrote:
>>
>>> (adding the security team)
>>>
>>> On Tue, Aug 11, 2015 at 6:54 PM, Stephen Niedzielski <
>>> sniedzielski at wikimedia.org> wrote:
>>>
>>>>   Hello all! I have one question: what is the recommend way to keep
>>>> files, such as a Java keystore, safe on a WMF Jenkins machine?
>>>>
>>>>   The Android team is trying to automate as much as possible,
>>>> especially when it comes to releasing software. Our reasons aren't novel:
>>>> manual releases are time consuming, we worry about unintentionally shipping
>>>> bad bits, and we don't like doing it. One thing that's been blocking this
>>>> effort is a security concern over exposing confidential information, such
>>>> as signing certificates, login credentials, certain lists of strings, etc,
>>>> on a Jenkins server.
>>>>
>>>>   It might be helpful to describe some of our concrete use cases. I
>>>> know them currently as:
>>>>
>>>>   1 Sign public jars with a private GnuPG key.
>>>>   2 Upload public jars to OSSRH with private credentials (currently
>>>> stored in a Gradle properties file but could be supplied on the command
>>>> line).
>>>>   3 Sign public Android apps with a private Java keystore.
>>>>
>>>>   Our future use cases are likely to include:
>>>>
>>>>   4 Supply a private list of strings to generate private Android apps.
>>>>   5 Upload private and public Android apps to Google Drive (via
>>>> gdrive[0], requires a private app token).
>>>>   6 Upload public Android apps to the Google Play Developer Console
>>>> (TBD, likely requires a private app token).
>>>>   7 Upload public Android apps to the Amazon Appstore Developer
>>>> Portal (TBD, likely requires a private app token).
>>>>   8 Upload public Android apps to Caesium (via SCP).
>>>>   9 Update public release notes to a public MediaWiki installation.
>>>>   10 Publish public release notes to a mailing list.
>>>>
>>>>   We currently do all of this on our local dev machines and it's a bit
>>>> scary. While generating the jars and apps on a build server as unsigned
>>>> artifacts would be a big win in itself, there would still be a significant
>>>> and error prone amount of signing and publishing we'd also prefer to live
>>>> in a controlled, reproducible environment.
>>>>
>>>>   For simple strings, the Jenkins Mask Passwords Plugin[1] seems
>>>> promising, and even supported by Jenkins Job Builder[2]. What's not clear
>>>> is how to land files like our Java keystore and GnuPG keys on the server
>>>> securely. It's also not clear how we can guard our private Android app
>>>> artifacts mentioned in #4.
>>>>
>>>>   In summary, we want to automate build and release and we want to keep
>>>> our private inputs and outputs secure. Surely other teams in the foundation
>>>> must have the same or very similar problems. What is the best reference
>>>> implementation?
>>>>
>>>>   Thank you for reading!
>>>>
>>>>
>>>> --stephen
>>>>
>>>> [0] https://github.com/prasmussen/gdrive
>>>> [1] https://wiki.jenkins-ci.org/display/JENKINS/Mask+Passwords+Plugin
>>>> [2]
>>>> http://docs.openstack.org/infra/jenkins-job-builder/wrappers.html#wrappers.mask-passwords
>>>>
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>>>> .
>>>>
>>>
>>>
>>
>
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