Along the lines of my post on the Forkolator blog on how to set up the server architecture, I’ve written out some pseudocode for scripts that I think would handle the mongrel servers and the nginx load balancer properly:
% start_nginx
get all mongrels from database
create nginx conf
start nginx
% start_mongrels testproject production 2
mongrel start get_a_free_port()
insert mongrel
pid=278112
port=8004
servername=testproject.forkolator.org
app=testproject
environment=production
mongrel start get_a_free_port()
insert mongrel …
mark server for refresh
% start_mongrels testproject development 1
…
% reload_nginx (runs as a daemon)
get all mongrels from database
create nginx conf
reload nginx conf
% stop_mongrels testproject production
find the mongrel processes
kill them
remove them from the database
mark the server for refresh
