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Stanislaw,

In my opinion the whole feature shouldn't be in the separate package simply
because it will actually affect the code of many, if not all, components of
Fuel.

The only services whose capabilities will have to be managed by puppet are
those, which are installed from upstream packages (e.g. atop) -- not built
from fuel-* repos.

Supervisord doesn't seem to use Linux capabilities, id does setuid instead:
https://github.com/Supervisor/supervisor/blob/master/supervisor/options.py#L1326

On Fri, Nov 20, 2015 at 1:07 AM, Stanislaw Bogatkin <sbogatkin at mirantis.com>
wrote:

> Dmitry, I mean whole feature.
> Btw, why do you want to grant capabilities via puppet? It should be done
> by post-install package section, I believe.
>
> Also I doesn't know if supervisord can bound process capabilities like
> systemd can - we could use this opportunity too.
>
> On Thu, Nov 19, 2015 at 7:44 PM, Dmitry Nikishov <dnikishov at mirantis.com>
> wrote:
>
>> My main concern with using linux capabilities/acls on files is actually
>> puppet support or, actually, the lack of it. ACLs are possible AFAIK, but
>> we'd need to write a custom type/provider for capabilities. I suggest to
>> wait with capabilities support till systemd support.
>>
>> On Tue, Nov 17, 2015 at 9:15 AM, Dmitry Nikishov <dnikishov at mirantis.com>
>> wrote:
>>
>>> Stanislaw, do you mean the whole feature, or just a user? Since feature
>>> would require actually changing puppet code.
>>>
>>> On Tue, Nov 17, 2015 at 5:08 AM, Stanislaw Bogatkin <
>>> sbogatkin at mirantis.com> wrote:
>>>
>>>> Dmitry, I believe it should be done via package spec as a part of
>>>> installation.
>>>>
>>>> On Mon, Nov 16, 2015 at 8:04 PM, Dmitry Nikishov <
>>>> dnikishov at mirantis.com> wrote:
>>>>
>>>>> Hello folks,
>>>>>
>>>>> I have updated the spec, please review and share your thoughts on it:
>>>>> https://review.openstack.org/#/c/243340/
>>>>>
>>>>> Thanks.
>>>>>
>>>>> On Thu, Nov 12, 2015 at 10:42 AM, Dmitry Nikishov <
>>>>> dnikishov at mirantis.com> wrote:
>>>>>
>>>>>> Matthew,
>>>>>>
>>>>>> sorry, didn't mean to butcher your name :(
>>>>>>
>>>>>> On Thu, Nov 12, 2015 at 10:41 AM, Dmitry Nikishov <
>>>>>> dnikishov at mirantis.com> wrote:
>>>>>>
>>>>>>> Matther,
>>>>>>>
>>>>>>> I totally agree that each daemon should have it's own user which
>>>>>>> should be created during installation of the relevant package. Probably I
>>>>>>> didn't state this clear enough in the spec.
>>>>>>>
>>>>>>> However, there are security requirements in place that root should
>>>>>>> not be used at all. This means that there should be a some kind of
>>>>>>> maintenance or system user ('fueladmin'), which would have enough
>>>>>>> privileges to configure and manage Fuel node (e.g. run "sudo puppet apply"
>>>>>>> without password, create mirrors etc). This also means that certain fuel-
>>>>>>> packages would be required to have their files accessible to that user.
>>>>>>> That's the idea behind having a package which would create 'fueladmin' user
>>>>>>> and including it into other fuel- packages requirements lists.
>>>>>>>
>>>>>>> So this part of the feature comes down to having a non-root user
>>>>>>> with sudo privileges and passwordless sudo for certain commands (like
>>>>>>> 'puppet apply <path-to-host-only.pp>') for scripting.
>>>>>>>
>>>>>>> On Thu, Nov 12, 2015 at 9:52 AM, Matthew Mosesohn <
>>>>>>> mmosesohn at mirantis.com> wrote:
>>>>>>>
>>>>>>>> Dmitry,
>>>>>>>>
>>>>>>>> We really shouldn't put "user" creation into a single package and
>>>>>>>> then depend on it for daemons. If we want nailgun service to run as nailgun
>>>>>>>> user, it should be created in the fuel-nailgun package.
>>>>>>>> I think it makes the most sense to create multiple users, one for
>>>>>>>> each service.
>>>>>>>>
>>>>>>>> Lastly, it makes a lot of sense to tie a "fuel" CLI user to
>>>>>>>> python-fuelclient package.
>>>>>>>>
>>>>>>>> On Thu, Nov 12, 2015 at 6:42 PM, Dmitry Nikishov <
>>>>>>>> dnikishov at mirantis.com> wrote:
>>>>>>>>
>>>>>>>>> Stanislaw,
>>>>>>>>>
>>>>>>>>> I agree that this approch would work well. However, does Puppet
>>>>>>>>> allow managing capabilities and/or file ACLs? Or can they be easily set up
>>>>>>>>> when installing RPM package? (is there a way to specify capabilities/ACLs
>>>>>>>>> in the RPM spec file?) This doesn't seem to be supported out of the box.
>>>>>>>>>
>>>>>>>>> I'm going to research if it is possible to manage capabilities and
>>>>>>>>>  ACLs with what we have out of the box (RPM, Puppet).
>>>>>>>>>
>>>>>>>>> On Wed, Nov 11, 2015 at 4:29 AM, Stanislaw Bogatkin <
>>>>>>>>> sbogatkin at mirantis.com> wrote:
>>>>>>>>>
>>>>>>>>>> Dmitry, I propose to give needed linux capabilities
>>>>>>>>>> (like CAP_NET_BIND_SERVICE) to processes (services) which needs them and
>>>>>>>>>> then start these processes from non-privileged user. It will give you
>>>>>>>>>> ability to run each process without 'sudo' at all with well fine-grained
>>>>>>>>>> permissions.
>>>>>>>>>>
>>>>>>>>>> On Tue, Nov 10, 2015 at 11:06 PM, Dmitry Nikishov <
>>>>>>>>>> dnikishov at mirantis.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Stanislaw,
>>>>>>>>>>>
>>>>>>>>>>> I've been experimenting with 'capsh' on the 6.1 master node and
>>>>>>>>>>> it doesn't seem to preserve any capabilities when setting SECURE_NOROOT
>>>>>>>>>>> bit, even if explicitely told to do so (via either --keep=1 or
>>>>>>>>>>> "SECURE_KEEP_CAPS" bit).
>>>>>>>>>>>
>>>>>>>>>>> On Tue, Nov 10, 2015 at 11:20 AM, Dmitry Nikishov <
>>>>>>>>>>> dnikishov at mirantis.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Bartolomiej, Adam,
>>>>>>>>>>>> Stanislaw is correct. And this is going to be ported to master.
>>>>>>>>>>>> The goal currently is to reach an agreement on the implementation so that
>>>>>>>>>>>> there's going to be a some kinf of compatibility during upgrades.
>>>>>>>>>>>>
>>>>>>>>>>>> Stanislaw,
>>>>>>>>>>>> Do I understand correctly that you propose using something like
>>>>>>>>>>>> sucap to launch from root, switch to a different user and then drop
>>>>>>>>>>>> capabilities which are not required?
>>>>>>>>>>>>
>>>>>>>>>>>> On Tue, Nov 10, 2015 at 3:11 AM, Stanislaw Bogatkin <
>>>>>>>>>>>> sbogatkin at mirantis.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Bartolomiej, it's customer-related patches, they, I think,
>>>>>>>>>>>>> have to be done for 6.1 prior to 8+ release.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Dmitry, it's nice to hear about it. Did you consider to use
>>>>>>>>>>>>> linux capabilities on fuel-related processes instead of just using
>>>>>>>>>>>>> non-extended POSIX privileged/non-privileged permission checks?
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Tue, Nov 10, 2015 at 10:11 AM, Bartlomiej Piotrowski <
>>>>>>>>>>>>> bpiotrowski at mirantis.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> We don't develop features for already released versions… It
>>>>>>>>>>>>>> should be done for master instead.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> BP
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Tue, Nov 10, 2015 at 7:02 AM, Adam Heczko <
>>>>>>>>>>>>>> aheczko at mirantis.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Dmitry,
>>>>>>>>>>>>>>> +1
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Do you plan to port your patchset to future Fuel releases?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> A.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Tue, Nov 10, 2015 at 12:14 AM, Dmitry Nikishov <
>>>>>>>>>>>>>>> dnikishov at mirantis.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Hey guys.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I've been working on making Fuel not to rely on superuser
>>>>>>>>>>>>>>>> privileges
>>>>>>>>>>>>>>>> at least for day-to-day operations. These include:
>>>>>>>>>>>>>>>> a) running Fuel services (nailgun, astute etc)
>>>>>>>>>>>>>>>> b) user operations (create env, deploy, update, log in)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> The reason for this is that many security policies simply
>>>>>>>>>>>>>>>> do not
>>>>>>>>>>>>>>>> allow root access (especially remote) to
>>>>>>>>>>>>>>>> servers/environments.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> This feature/enhancement means that anything that currently
>>>>>>>>>>>>>>>> is being
>>>>>>>>>>>>>>>> run under root, will be evaluated and, if possible, put
>>>>>>>>>>>>>>>> under a non-privileged
>>>>>>>>>>>>>>>> user. This also means that remote root access will be
>>>>>>>>>>>>>>>> disabled.
>>>>>>>>>>>>>>>> Instead, users will have to log in with "fueladmin" user.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Together with Omar <gomarivera> we've put together a
>>>>>>>>>>>>>>>> blueprint[0] and a
>>>>>>>>>>>>>>>> spec[1] for this feature. I've been developing this for
>>>>>>>>>>>>>>>> Fuel 6.1, so there
>>>>>>>>>>>>>>>> are two patches into fuel-main[2] and fuel-library[3] that
>>>>>>>>>>>>>>>> can give you an
>>>>>>>>>>>>>>>> impression of current approach.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> These patches do following:
>>>>>>>>>>>>>>>> - Add fuel-admin-user package, which creates 'fueladmin'
>>>>>>>>>>>>>>>> - Make all other fuel-* packages depend on fuel-admin-user
>>>>>>>>>>>>>>>> - Put supervisord under 'fueladmin' user.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Please review the spec/patches and let's have a discussion
>>>>>>>>>>>>>>>> on the approach to
>>>>>>>>>>>>>>>> this feature.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Thank you.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> [0]
>>>>>>>>>>>>>>>> https://blueprints.launchpad.net/fuel/+spec/fuel-nonsuperuser
>>>>>>>>>>>>>>>> [1] https://review.openstack.org/243340
>>>>>>>>>>>>>>>> [2] https://review.openstack.org/243337
>>>>>>>>>>>>>>>> [3] https://review.openstack.org/243313
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>> Dmitry Nikishov,
>>>>>>>>>>>>>>>> Deployment Engineer,
>>>>>>>>>>>>>>>> Mirantis, Inc.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> __________________________________________________________________________
>>>>>>>>>>>>>>>> OpenStack Development Mailing List (not for usage questions)
>>>>>>>>>>>>>>>> Unsubscribe:
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>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> Adam Heczko
>>>>>>>>>>>>>>> Security Engineer @ Mirantis Inc.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> __________________________________________________________________________
>>>>>>>>>>>>>>> OpenStack Development Mailing List (not for usage questions)
>>>>>>>>>>>>>>> Unsubscribe:
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>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
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>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> __________________________________________________________________________
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>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> Dmitry Nikishov,
>>>>>>>>>>>> Deployment Engineer,
>>>>>>>>>>>> Mirantis, Inc.
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Dmitry Nikishov,
>>>>>>>>>>> Deployment Engineer,
>>>>>>>>>>> Mirantis, Inc.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> __________________________________________________________________________
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>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
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>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Dmitry Nikishov,
>>>>>>>>> Deployment Engineer,
>>>>>>>>> Mirantis, Inc.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> __________________________________________________________________________
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>>>>>>>>> Unsubscribe:
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>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> __________________________________________________________________________
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>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Dmitry Nikishov,
>>>>>>> Deployment Engineer,
>>>>>>> Mirantis, Inc.
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Dmitry Nikishov,
>>>>>> Deployment Engineer,
>>>>>> Mirantis, Inc.
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Dmitry Nikishov,
>>>>> Deployment Engineer,
>>>>> Mirantis, Inc.
>>>>>
>>>>>
>>>>> __________________________________________________________________________
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>>>>>
>>>>>
>>>>
>>>>
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>>>>
>>>
>>>
>>> --
>>> Dmitry Nikishov,
>>> Deployment Engineer,
>>> Mirantis, Inc.
>>>
>>
>>
>>
>> --
>> Dmitry Nikishov,
>> Deployment Engineer,
>> Mirantis, Inc.
>>
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-- 
Dmitry Nikishov,
Deployment Engineer,
Mirantis, Inc.
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