Description

This cookbook provides to install and configuring the utility Cgroups

Requirements

OS : Red Hat Enterprise Linux Server release 6.2 (Santiago)

Attributes

default['cgroups']['controllers'] = [ "memory" , "cpu" ]
default['cgroups']['group_name'] = "foobar"
default['cgroups']['parameters'] = [ "memory.limit_in_bytes = 256M", "memory.memsw.limit_in_bytes = 256M" ]
default['cgroups']['task-uid'] = "root"
default['cgroups']['task-gid'] = "root"
default['cgroups']['admin-uid'] = "root"
default['cgroups']['admin-gid'] = "root"
default['cgroups']['users'] = [ "root" ]
default['cgroups']['command'] = "/opt/myprogram/bin/mycommand"
default['cgroups']['service'] = "fooService"

Template

cgconfig.conf.erb

the configuration file /etc/cgconfig.conf

cgrules.conf.erb

the configuration file /etc/cgrules.conf

At moment this cookbook has some limitations.

is not possible configure more groups
is not possible configure for users some different controllers.. but work in progress.

Usage

after launch cgroups recipe check cat /cgroup/memory/myfoogroup/tasks you should see the PIDs of your target processes
after a change in /etc/cgconfig.conf or /etc/cgrules.conf the recipe restarts a specify service (only if that service exists)