All set. Just wanted to document this in case anybody else has the same
question.
I was not able to get it to work with :once => true at the task level, but it
was pretty simple to set up with roles.
role :shared_content_owner, "master.rob.by"
task :update_code, :except => { :no_release => true }, :roles =>
[:shared_content_owner] do
run "echo 'here!'"
on_rollback { run "rm -rf #{release_path}; true" }
strategy.deploy!
finalize_update
end
Output is what you'd expect:
* executing `deploy:update_code'
* executing "echo 'here!'"
servers: ["master.rob.by"]
[master.rob.by] executing command
** [out :: master.rob.by] here!
command finished in 1101ms
Thanks again, Lee.
--
Robby Grossman
@freerobby (http://twitter.com/freerobby)
http://rob.by (http://rob.by/)
On Thursday, September 1, 2011 at 12:25 PM, Robby Grossman wrote:
> Thanks, Lee.
>
> I think I'm on the right track but I'm missing something. I did as you said,
> modifying my update_code as follows (bold change mine):
>
> task :update_code, :except => { :no_release => true }, :once => true do
> run "echo 'here!'"
> on_rollback { run "rm -rf #{release_path}; true" }
> strategy.deploy!
> finalize_update
> end
>
>
> However when I run a "cap deploy:update_code", it still seems to run on both
> servers:
> $ cap deploy:update_code app=blog_shareaholic
> * executing `deploy:update_code'
> * executing "echo 'here!'"
> servers: ["master.rob.by", "slave.rob.by"]
> [slave.rob.by] executing command
> [master.rob.by] executing command
> ** [out :: slave.rob.by] here!
> ** [out :: master.rob.by] here!
> command finished in 546ms
>
> I'm a little puzzled because I checked the commenting docs in invocation.rb,
> and it confirms what you said:
> # * :once - if true, only the first matching server will be selected. The
> default
> # is false (all matching servers will be selected).
>
> Just wondering if there's something obvious I've done wrong? I'm using
> capistrano v2.8.0.
>
> Thanks again,
> Robby
>
> --
> Robby Grossman
> @freerobby (http://twitter.com/freerobby)
> http://rob.by (http://rob.by/)
>
>
> On Thursday, September 1, 2011 at 12:19 PM, Robby Grossman wrote:
>
> > Thanks, Lee.
> >
> > One quick follow-up:
> >
> > Is there any way to do this at the actual task level, i.e. change deploy.rb
> > to read (bold mine):
> >
> > task :update_code, :once => true, :except => { :no_release => true } do
> > on_rollback { run "rm -rf #{release_path}; true" }
> > strategy.deploy!
> > finalize_update
> > end
> >
> >
> > The actual "run" commands, where I've seen :once => true used are buried
> > --
> > Robby Grossman
> > @freerobby (http://twitter.com/freerobby)
> > http://rob.by (http://rob.by/)
> >
> >
> > On Thursday, September 1, 2011 at 5:54 AM, Lee Hambley wrote:
> >
> > > Robby,
> > >
> > > There's no way to do this from the outside, you'd have to modify the
> > > :update_code task to run with the :once => true argument. This isn't such
> > > a big deal, simply take the deploy.rb out of the gem, and drop it in your
> > > project (and update the require/load in your Capfile accordingly), this
> > > is a pretty sane way to work anyway (and insulates you from surprise
> > > upstream changes which might break your deploy.)
> > >
> > > - Lee
> > > --
> > > * You received this message because you are subscribed to the Google
> > > Groups "Capistrano" group.
> > > * To post to this group, send email to [email protected]
> > > (mailto:[email protected])
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> >
>
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