Hi,
I have what I think is a common deploy setup with an app and
background server and i'm having a problem with a multistage
deployment that tries to omit a role. Let me give some specifics. I
have the following items in my deploy.rb:
namespace :background do
task :start, :roles => :background do
...
end
task :stop, :roles => :background do
...
end
before "deploy:restart", "deploy:background:stop"
after "deploy:restart", "deploy:background:start"
after "deploy:stop", "deploy:background:stop"
after "deploy:start","deploy:background:start"
end
The idea here is that the background server should start and stop in
response to deploy's restart, stop and start. However, if I have a
role file that doesn't have a background role (i.e. some test or demo
environment where I don't want it) these commands don't work as I'd
expect:
cap deploy:restart
Expected - should restart the app server, skip the background server
since none are found
Actual - bails on the before "deploy:restart" due to no servers
found with role :background; stops the app restart from actually
occuring
cap deploy:restart ROLES=app
Expected - should restart the app server, skip the background server
since no tasks match it
Actual - runs the background stop and start tasks on the app server
In short, its like once something is added to a before or after
callback it ignores the purpose of the :roles option set on it, which
is only to run it in that scenario. It seems in both cases it should
be smart enough to say hey, this is a background role task and i
either have no background servers or i am running with ROLES that
omits it, so it should be skipped.
My two questions are whether this is a bug or if I'm doing something
non-standard; and either way what are the suggested workarounds for
this?
Thanks,
\Peter
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