On one of my development servers mongrel dies when idle for any length
of time. Since I've not been able to solve that problem I thought I'd
route around it by using monit to kick things when necessary.
My monitrc contains the following...
--------------------------------------------------------------------------------
check process mongrel_8310 with pidfile
/home/valleyc/apps/cms/dev/current/log/mongrel.8310.pid
group mongrel
start program = "/usr/local/bin/mongrel_rails cluster::start -C
/home/valleyc/apps/cms/dev/current/config/mongrel_cluster.yml --clean
--only 8310"
stop program = "/usr/local/bin/mongrel_rails cluster::stop -C
/home/valleyc/apps/cms/dev/current/config/mongrel_cluster.yml --clean
--only 8310"
if failed host 127.0.0.1 port 8310 protocol http
with timeout 10 seconds
then restart
if totalmem > 128 Mb then restart
if cpu is greater than 60% for 2 cycles then alert
#if cpu > 90% for 5 cycles then restart
#if loadavg(5min) greater than 10 for 8 cycles then restart
if 3 restarts within 5 cycles then timeout
--------------------------------------------------------------------------------
If I run the start command manually it works fine. When run via monit
however it seems unable to find mongrel_rails....
# monit validate
'mongrel_8310' process is not running
'mongrel_8310' trying to restart
'mongrel_8310' start: /usr/local/bin/mongrel_rails
'mongrel_8310' failed to start
starting port 8310
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:
command not found: mongrel_rails start -d -e production -a 127.0.0.1
-c /home/valleyc/apps/cms/dev/current --user valleyc --group valleyc
-p 8310 -P /home/valleyc/apps/cms/dev/current/log/mongrel.8310.pid -l
log/mongrel.8310.log
No amount of $PATH fiddling seemed to help, so for now I've patched
mongrel_cluster's init.rb by changing line 62 (of version 1.0.1.1)
from this...
argv = [ "mongrel_rails" ]
to this...
argv = [ "/usr/local/bin/mongrel_rails" ]
...which works, but seems less than ideal. Any suggestions for a
better way to fix this without messing with the mongrel_cluster code
would be appreciated.
Thanks,
Jack
--
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Jack Baty http://jackbaty.com/ (616) 822-5800
Fusionary http://fusionary.com/ (616) 454-2357
820 Monroe N.W. Suite 212
Grand Rapids, MI 49503
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