[LRUG] Gem to start required services

[Adam Carlile]

Upception?

@frozenproduce
http://adamcarlile.com

On 14 Jun 2012, at 15:50, Jon Wood wrote:

We're using Upstart at Hubbub, and it's working out great for us. I really like that the rest of Ubuntu is already using it, otherwise you end up needing process supervision for your process supervisor, which gets a bit Inception-esque.

On Thursday, 14 June 2012 at 14:28, George Ornbo wrote:

I experienced some memory usage issues with God [1] so switched good
ol' Monit. It is a UNIX tool that I have found to be stable and easy
to configure. It monitors processes and can check memory usage amongst
other things. You can use it in collaboration with Capistrano to
restart services on deploy like this:

desc "Clears the cache by restarting memcached"
task :restart_memcached do
sudo "/usr/sbin/monit restart memcached"
end

I've heard some people use upstart [3] in this way too. I've used
Monit to monitor resque workers in production - comes recommended by
me.

[1]: https://github.com/mojombo/god
[2]: http://mmonit.com/monit/
[3]: http://upstart.ubuntu.com<http://upstart.ubuntu.com/>/



On Wed, Jun 13, 2012 at 6:08 PM, Matthew Rudy Jacobs
<matthewrudyjacobs at gmail.com<mailto:matthewrudyjacobs at gmail.com>> wrote:
>From my own experience Foreman is particularly useful when working with
Heroku,
as it uses the same Procfile used by the heroku platform.

I then tie this up with a per machine .env file
 that mirrors the heroku env variables i have.

Works pretty well.


On 14 June 2012 00:59, James Adam <james at lazyatom.com<mailto:james at lazyatom.com>> wrote:

I could be wrong, but I believe that foreman and bluepill do slightly
different things, so a versus comparison might be misleading.

Foreman is a mechanism for declaring *what* processes your application
uses, has a handy development mechanism for running them but mainly exports
those process definitions into files that upstart & alternatives can use.

Bluepill is more about *controlling* running processes, monitoring them as
starting and stopping them.

I believe that foreman can actually export files for use by bluepill.

- James



On 13 Jun 2012, at 14:02, Mark Burns <markthedeveloper at gmail.com<mailto:markthedeveloper at gmail.com>> wrote:

Anybody evaluated bluepill vs foreman?

On 13 June 2012 13:58, Riccardo Tacconi <rtacconi at gmail.com<mailto:rtacconi at gmail.com>> wrote:

bluepill gem, but I do not use it in development. There was a Railscast
about running process dependent from a Rails app, but I do not remember the
title

On 13 June 2012 14:54, Rory Franklin <rory at chillibean.tv<mailto:rory at chillibean.tv>> wrote:

I could be entirely making this up, but is there a gem that you can
define in a file within your app all the dependencies/services that the app
requires to run and you can run that to boot things up/warn that they aren't
running?

Say I have an app that requires another application to be running
(service app) as well as a bunch of Resque workers, is there a way to start
them all up in one go if they are not already running?

I know that the above is probably terribly vague and confused, but
hopefully someone knows what I mean and I'm not imagining that such a tool
already exists. If not, I guess some form of shell script would be able to
do the same?



Thanks,
Rory

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--
Riccardo Tacconi
Ruby on Rails and PHP development - System Administration
VIRTUELOGIC LIMITED

http://github.com/rtacconi
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