Thanks guys,

I think it might be something to do with the capistrano login session.

If I use essentially the same code as Samer for my cap task:

desc "Start Backgroundrb"
task :start_backgroundrb, :roles => [:app] do
run "#{deploy_to}/current/script/backgroundrb start -- environment=production"
end

I get the following output:

 cap restart_backgroundrb
  * executing `restart_backgroundrb'
* executing "/var/webapps/optics/current/script/backgroundrb start --environment=production"
    servers: ["192.168.10.60"]
Password:
    [192.168.10.60] executing command
 ** [out :: 192.168.10.60] Starting BackgrounDRb ....
    command finished

This updates the pid file with 4488. However look up the pid and nothing:

$ ps aux | grep 4488
deploy 4534 0.0 0.0 3924 680 pts/1 S+ 10:30 0:00 grep 4488

If however I run the cap task's run command by hand on the server via a normal ssh session (same user, "deploy") the pid generated actually refers
to a running process:

$script/backgroundrb start --environment=production

$ps aux | grep 5080
deploy 5080 0.6 1.6 57536 51088 pts/1 S 10:44 0:00 ruby script/backgroundrb start --environment=production deploy 5089 0.0 0.0 3920 676 pts/1 S+ 10:44 0:00 grep background

I guess there is something specific about the cap session that is different to a regular ssh. If I can't find a solution, as suggested I suppose I could use god/monit to restart the process locally and just use the cap task to stop the backgroundrb process, which it doesn't seem to have a problem with unlike starting.

Thanks for your help, Andrew.

On 7 Feb 2009, at 16:49, E. Johnson wrote:

It looks like the restart of backgroundrb failed to start backgroundrb
because restart's stop-backgroundrb failed (nothing running, nothing
to stop), and quit the task.

If that's the case, perhaps a start_backgroundrb task is in order? I'm
controlling backgroundrb via god, and calling them from capistrano w/
the following task set:

$ cap -T |grep backgroundrb
cap restart_backgroundrb       # restart backgroundrb servers
cap start_backgroundrb         # start backgroundrb servers
cap stop_backgroundrb          # stop backgroundrb servers

# Backgroundrb Server TASKS
%w(start stop restart).each do |cmd|
 desc "#{cmd} backgroundrb servers"
 task "#{cmd}_backgroundrb".to_sym, :roles => :app do
   run "sudo #{god} #{cmd} backgroundrb"
 end
end

hope that helps,
Erik





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