configure hook

[Didier Roche]

Le 12/11/2016 à 17:45, Boris Rybalkin a écrit :
>
> Still struggling with hooks, they are not executed on install.
>
> snap$ snap run --hook=configure syncloud-platform
> cannot snap-exec: cannot find hook "configure" in "syncloud-platform"
> and even 'snap run --hook=configure mysnap' silently returns.
>
> I am using:
> Ubuntu 16.04
> snapd 2.16ubuntu3
>
> Does it have hook support?
>

It's supposed to have some, but IIRC, Kyle found some issues with it.
Definitively, this version doesn't run the hook on install though.

> According to this test they should even fail install if broken:
> https://github.com/snapcore/snapd/blob/203591b28670ef5c4106c8fc43051500bd6c3fda/tests/main/snap-set/task.yaml
>
> As suggested I am copying meta/hooks to prime dir after running
> snapcraft prime  and then running snapcraft snap.
>
> This bug says it is probably not yet available in edge, how do I
> switch channel?
>
> https://bugs.launchpad.net/snappy/+bug/1636931
>

As I said in some email above, the easiest path to test it is to use an
ubuntu core VM (until a new snapd release is out for Ubuntu 16.04
desktop, CCing Michael to know when the next snapd hits stable + SRU
published).
Cheers,
Didier

> Thank you.
>
>
> On 9 Nov 2016 09:21, "Didier Roche" <didrocks at ubuntu.com
> <mailto:didrocks at ubuntu.com>> wrote:
>
>     Le 09/11/2016 à 10:15, Boris Rybalkin a écrit :
>>
>>     One more question, should I expect a hook to run inside my snap
>>     package and use relative shebang like this?
>>
>>     #!python/bin/python
>>
>>     Assuming I am packaging python with my snap.
>>
>     hooks are run using the same context than any "commands:" in your
>     snap.
>
>     As long as we don't have snapcraft support, I don't think you will
>     have the override in PYTHONPATH, PYTHONHOME and such (and I don't
>     know if that's planned), but I'll give it a try later this week or
>     early new one to have great python hooks examples.
>
>     If you beat me to it, do not hesitate to report your results here!
>
>>     Thank you very much for your replies!
>>
>
>     My pleasure :)
>
>
>>
>>     On 9 Nov 2016 08:58, "Didier Roche" <didrocks at ubuntu.com
>>     <mailto:didrocks at ubuntu.com>> wrote:
>>
>>         Le 09/11/2016 à 09:39, Boris Rybalkin a écrit :
>>>
>>>         Sorry, I did not get that.
>>>
>>>         I am using snapcraft, are you saying that just creating
>>>         hooks/configure is not enaugh?
>>>
>>         It should be enough if you ensure it's in your final snap in
>>         meta/hooks/configure. (Look at your prime/ directory).
>>         Enwei was talking about more advanced snapcraft integration,
>>         where you point to a file which is then copied for you in
>>         meta/hooks.
>>
>>>         Looks like my hook is not executed:
>>>         https://github.com/syncloud/platform/tree/master/snap
>>>         <https://github.com/syncloud/platform/tree/master/snap>
>>>
>>>         Is it possible to debug the execution of snap install?
>>>
>>>         I would like to see the state of the snap after it failed to
>>>         start daemons. The only way to see the problem is to run
>>>         journalctl and guess by startup errors.
>>>
>>>
>>         Yeah, hooks are hard to debug, I filed
>>         *https://bugs.launchpad.net/snappy/+bug/1640114
>>         <https://bugs.launchpad.net/snappy/+bug/1640114> yesterday
>>         about this.
>>
>>         Didier
>>         *
>>
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>>
>
>
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