Managing base and other snappy apps

[Eystein Måløy Stenberg]

Thanks!

I see webdm has references to "snappy's packages api", e.g. in
webdm/snappy/handlers.go it says

// MakeMuxer sets up the handlers multiplexing to handle requests against
snappy's
// packages api
func (h *Handler) MakeMuxer(prefix string) http.Handler {
..

Is this API something that is part of a base installation of snappy or
webdm itself? Is it intended to be used by other snaps than webdm, and if
so, is it documented?

The reason I'm asking is that I'm wondering what I should build my
framework snap on top of for doing package operations.
I have no problems using the snappy CLI, but I just wanted to check if
there is a "more official" (e.g. http API) method first.


I'm not well-versed in go, so sorry for not being able to deduce this
myself. :-/



On Tue, Jul 28, 2015 at 1:16 PM, Manik Taneja <manik.taneja at canonical.com>
wrote:

>
>
> On Tue, Jul 28, 2015 at 12:51 PM, Eystein Måløy Stenberg <
> eystein.stenberg at gmail.com> wrote:
>
>> Thanks for the answers everyone!
>> I will play a bit more given your input.
>>
>> webdm seems similar to what I had in mind, is the source code for it
>> available somewhere?
>>
> $ sudo add-apt-repository ppa:snappy-dev/tools
> $ sudo apt-get update
> $ sudo apt-get upgrade
> $ sudo apt-get install snappy-tools bzr
>
> $ bzr branch lp:webdm
>
>
>
>> I'm in particular curious about the required security policies (I see
>> it's a framework, not an app) and interaction with the snappy CLI manager
>> (if that what it's using).
>>
> yes, you will need to work with Canonical to define custom security
> policies for your framework
>
>>
>>
>>
>> On Tue, Jul 28, 2015 at 9:54 AM, Charles Butler <chuck at dasroot.net>
>> wrote:
>>
>>> As a side note the webdm snap exists as a front end to snaps for snappy
>>> and managing them.
>>>
>>> It's a great resource for you to model after for your own front end.
>>> Hope this helps, I'm pretty fresh on my voyage with snappy my self.
>>>
>>> If you need additional help I know the fine people in #snappy on
>>> freenode are a great complimentary companion to this mailing list.
>>>
>>> All the best,
>>> On Jul 23, 2015 10:21 PM, "Eystein Måløy Stenberg" <
>>> eystein.stenberg at gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> I am new to Snappy, but have read much of the docs and tried it for a
>>>> few hours.
>>>> No problems and it looks simple so far, but I had a few questions about
>>>> managing snaps.
>>>>
>>>> On [1] I get a feeling for how the base system itself is updated. But
>>>> is this entirely managed with the "ubuntu-core" snap? So if I run "snappy
>>>> update ubuntu-core" it will download a new image (if any) to the passive
>>>> partition? Or are there other snaps that should be updated as part of the
>>>> base system as well (I see "generic-amd64" which sounds like a base snap).
>>>> Any other software that comprises a base system update?
>>>>
>>>> Furthermore, assuming base system update goes well, I should reboot to
>>>> the other partition. Is there a preferred method do this (I see a
>>>> --automatic-reboot option to snappy update) or will the regular "shutdown
>>>> -r now" do the job well enough?
>>>>
>>>> Is there a way to see which snaps can be updated? I am looking for
>>>> something similar to "apt-get -s upgrade". Or would this be the difference
>>>> in version between "snappy list -v" and "snappy search"?
>>>>
>>>> Finally, is there a way for software to manage snaps, just like you can
>>>> being logged in as superuser with the "snappy" command? I am planning to
>>>> make an application that can update and manage snaps. Supposedly it would
>>>> either need to be part of the base OS (which I guess is unlikely it would
>>>> be allowed to) or it would have to be packaged as a snap with special
>>>> privileges (perhaps as a framework)?
>>>>
>>>> Thanks for reading to the end and appreciate any help! :)
>>>>
>>>> [1]
>>>> https://developer.ubuntu.com/en/snappy/guides/transactional-updates/
>>>>
>>>> --
>>>>
>>>> Eystein Stenberg
>>>>
>>>> --
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>>>> snappy-devel at lists.ubuntu.com
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>>>>
>>>>
>>
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>
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