easynetworkperformance

netperf.pp

# This needs the package puppet which can be installed with:
	#Rhel 7 = rpm -ivh http://yum.puppetlabs.com/puppetlabs-release-el-7.noarch.rpm;yum install -y puppet
	#rhel 6 = requires 4 repositories
           #rhel-6-server-rpms  -> subscription-manager repos --enable rhel-6-server-rpms 
	   #puppetlabs-products -> rpm -ivh rpm -ivh https://yum.puppetlabs.com/puppetlabs-release-el-6.noarch.rpm
	   #puppetlabs-deps     -> enable the repository;Change 0 to 1
	   #rhel-6-server-optional-rpms  -> subscription-manager repos --enable rhel-6-server-optional-rpms
	       # Once these repos are available, yum install puppet
	
# About netperf: This script will apply recommended Tunings on Your Server.
# To run do: #puppet apply netperf.pp

class rhel6 {
    exec { 'max_cstate':
	unless		=> 	[ 'egrep 0 /sys/module/intel_idle/parameters/max_cstate', 'egrep cstate /boot/grub/grub.conf' ],
	command		=>	"/bin/sed -i '/kernel/ s/$/ processor.max_cstate=1 intel_idle.max_cstate=0/' /boot/grub/grub.conf",
	path            =>      [ '/bin', '/bin/sed' ],
    }
}

# unless condition checks 1) if value 0 and 2) if customer already has cstate in grub
class rhel7 {
    exec { 'max_cstate':
        unless          =>      [ 'egrep 0 /sys/module/intel_idle/parameters/max_cstate', 'grubby --info /boot/vmlinuz-$(facter kernelrelease) | grep cstate' ],
        command         =>      "grubby --args='processor.max_cstate=1 intel_idle.max_cstate=0' --update-kernel /boot/vmlinuz-$(facter kernelrelease)",
        path            =>      [ '/bin', '/bin/sed', '/usr/sbin' ],
    }
}


$pkg_list = [ 'tuned', 'irqbalance' ]


package { $pkg_list:
	ensure		=>	'present',
}

service {'irqbalance':
	enable		=>	'true',
	require		=>	Package['irqbalance'],
}

service {'tuned':
	ensure	 	=> 	'running',
	enable	 	=> 	'true',
	hasstatus	=> 	'true',
	require		=>	Package['tuned'],
}

exec { "tuned-adm profile throughput-performance":
	require		=>	Service['tuned'],
	path		=>	[ '/sbin', '/bin', '/usr/sbin' ],
}

if $::osfamily == 'redhat' {
	if $::operatingsystemrelease =~ /^[6].*/ {
    	class { 'rhel6' :}
	}	
	if ( $::operatingsystemrelease =~ /^7.*/) {
	class { 'rhel7' :}
	}
}