I didn't look into the code, but I assume that's the reason of using nailgun from shotgun - to get node details. So obviously nailgun library would need a connection to DB & valid /etc/nailgun/settings.yaml. But you don't need to start nailgun service in this case, you simply use it as a library.
> bind mounting /etc/nailgun from the nailgun container or reconfiguring /etc/nailgun/settings.yaml via puppet whatever can be considered as faster workaround, while the better solution is being development. Thanks, On Sat, Apr 19, 2014 at 11:36 AM, Matthew Mosesohn <[email protected]>wrote: > Mike, > > This would require either bind mounting /etc/nailgun from the nailgun > container or reconfiguring /etc/nailgun/settings.yaml via puppet so > that this nailgun on the mcollective container could log into the > postgres DB to get node info. > > On Sat, Apr 19, 2014 at 11:32 AM, Mike Scherbakov > <[email protected]> wrote: > > I'm with Evgeny on #3. > > However, as fast workaround, I see no issue having nailgun package > installed > > in two containers. One of them is nailgun service, and another - just > > library, which is used by shotgun. It's like nova-compute importing > > nova-network code locally (at least it was so a long time ago). It adds > > mess, but it's satisfactory for fast workaround. > > Can we do it or I'm missing something? > > > > Thanks, > > > > On Apr 19, 2014 4:59 AM, "Andrew Woodward" <[email protected]> wrote: > >> > >> packages already broke /opt/nailgun [1] > >> > >> [root@nailgun ~]# which nailgun_dump > >> /usr/bin/nailgun_dump > >> > >> [1] https://bugs.launchpad.net/fuel/+bug/1309741 > >> > >> On Fri, Apr 18, 2014 at 12:28 PM, Vladimir Kuklin <[email protected] > > > >> wrote: > >> > +1 to Matt's point > >> > > >> > It will be harder for us to do containers separation in future than to > >> > update some data serialized by nailgun. > >> > > >> > 18 апр. 2014 г. 20:45 пользователь "Matthew Mosesohn" > >> > <[email protected]> написал: > >> > > >> >> I think that we should push all the data needed to complete the dump > >> >> task > >> >> along with the task itself (json through to astute then to > >> >> mcollective), so > >> >> that Shotgun (diagnostic snapshot tool) could serve independently. > >> >> > >> >> > >> >> On Fri, Apr 18, 2014 at 8:45 PM, Matthew Mosesohn > >> >> <[email protected]> > >> >> wrote: > >> >>> > >> >>> I think that we should push all the data needed to complete the dump > >> >>> task > >> >>> along with the task itself (json through to astute then to > >> >>> mcollective), so > >> >>> that Shotgun (diagnostic snapshot tool) could serve independently. > >> >>> > >> >>> > >> >>> On Fri, Apr 18, 2014 at 8:35 PM, Evgeniy L <[email protected]> > wrote: > >> >>>> > >> >>>> Hi, > >> >>>> > >> >>>> How diagnostic snapshot works right now. > >> >>>> > >> >>>> * user clicks "diagnostic snapshot" button > >> >>>> * nailgun creates a task and sends it to orchestrator [0] > >> >>>> * orchestrator via mcollective runs 'execute_shell_commad' and > >> >>>> mcollective plugin runs `/opt/nailgun/bin/nailgun_dump` command on > >> >>>> the > >> >>>> master node [1] > >> >>>> * nailgun_dump is a part of nailgun codebase and it makes db calls > to > >> >>>> retrieve nodes and other configs [2] [3] > >> >>>> * then it calls imported module shotgun, passes config and it > >> >>>> generates > >> >>>> snapshot [3] > >> >>>> > >> >>>> [0] > >> >>>> > >> >>>> > https://github.com/stackforge/fuel-web/blob/0b10ed5fae7a8b140917c6b5381e1d14a2b0e727/nailgun/nailgun/task/task.py#L652-L666 > >> >>>> [1] > >> >>>> > >> >>>> > https://github.com/stackforge/fuel-web/blob/0b10ed5fae7a8b140917c6b5381e1d14a2b0e727/nailgun/nailgun/task/task.py#L652-L666 > >> >>>> [2] > >> >>>> > >> >>>> > https://github.com/stackforge/fuel-web/blob/0b10ed5fae7a8b140917c6b5381e1d14a2b0e727/nailgun/nailgun/task/task.py#L626-L650 > >> >>>> [3] > >> >>>> > >> >>>> > https://github.com/stackforge/fuel-web/blob/0b10ed5fae7a8b140917c6b5381e1d14a2b0e727/nailgun/nailgun/task/task.py#L724 > >> >>>> > >> >>>> As result nailgun and shotgun use each other's codebase, and we > >> >>>> cannot > >> >>>> install mcollective and nailgun in separate containers. > >> >>>> > >> >>>> How we can solve this problem > >> >>>> > >> >>>> 1. fast workaround, install mcollective and nailgun in a single > >> >>>> container > >> >>>> 2. shotgun can retrieve all necessary data via nailgun api > >> >>>> 3. shotgun must have it's own executable endpoints and it should > have > >> >>>> nothing in common with nailgun. > >> >>>> When nailgun creates task, it can send this config to orchestrator, > >> >>>> orchestrator can save this config into the file [4] and then > execute > >> >>>> shotgun's endpoint and pass path to config file as a parameter. > >> >>>> > >> >>>> [4] > >> >>>> > >> >>>> > https://github.com/stackforge/fuel-astute/blob/master/mcagents/uploadfile.rb > >> >>>> > >> >>>> I like third solustion but it will take some time to refactor our > >> >>>> code. > >> >>>> So, what do you think? > >> >>>> > >> >>>> Thanks > >> >>>> > >> >>>> > >> >>>> -- > >> >>>> Mailing list: https://launchpad.net/~fuel-dev > >> >>>> Post to : [email protected] > >> >>>> Unsubscribe : https://launchpad.net/~fuel-dev > >> >>>> More help : https://help.launchpad.net/ListHelp > >> >>>> > >> >>> > >> >> > >> >> > >> >> -- > >> >> Mailing list: https://launchpad.net/~fuel-dev > >> >> Post to : [email protected] > >> >> Unsubscribe : https://launchpad.net/~fuel-dev > >> >> More help : https://help.launchpad.net/ListHelp > >> >> > >> > > >> > -- > >> > Mailing list: https://launchpad.net/~fuel-dev > >> > Post to : [email protected] > >> > Unsubscribe : https://launchpad.net/~fuel-dev > >> > More help : https://help.launchpad.net/ListHelp > >> > > >> > >> > >> > >> -- > >> Andrew > >> Mirantis > >> Ceph community > >> > >> -- > >> Mailing list: https://launchpad.net/~fuel-dev > >> Post to : [email protected] > >> Unsubscribe : https://launchpad.net/~fuel-dev > >> More help : https://help.launchpad.net/ListHelp > > > > > > -- > > Mailing list: https://launchpad.net/~fuel-dev > > Post to : [email protected] > > Unsubscribe : https://launchpad.net/~fuel-dev > > More help : https://help.launchpad.net/ListHelp > > > -- Mike Scherbakov #mihgen
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