fuel-plugin-contrail/deployment_scripts/puppet/modules/contrail/manifests/compute/hugepages.pp

93 lines
2.5 KiB
Puppet

# Copyright 2016 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
class contrail::compute::hugepages {
if $contrail::dpdk_enabled {
# NOTE: To use hugepages we have to upgrade qemu packages to version 2.4
# The kernel configuration for hugepages
Kernel_parameter {
provider => 'grub2',
}
if $contrail::hugepages_size == 2 {
sysctl::value { 'vm.nr_hugepages':
value => "${contrail::hugepages_number} ",
}
kernel_parameter { 'hugepagesz':
ensure => absent,
}
kernel_parameter { 'hugepages':
ensure => absent,
}
}
elsif $contrail::hugepages_size == 1024 {
kernel_parameter { 'hugepagesz':
ensure => present,
value => "${contrail::hugepages_size}M",
} ->
kernel_parameter { 'hugepages':
ensure => present,
value => $contrail::hugepages_size,
}
#This need for vrouter start when 1Gb hugepages not enabled yet
exec { 'temporary_add_hugepages':
path => ['/sbin', '/usr/bin'],
command => 'sysctl -w vm.nr_hugepages=256',
onlyif => 'test ! -d /sys/kernel/mm/hugepages/hugepages-1048576kB',
}
exec { 'reboot_require':
path => ['/bin', '/usr/bin'],
command => 'touch /tmp/contrail-reboot-require',
onlyif => 'test ! -d /sys/kernel/mm/hugepages/hugepages-1048576kB',
}
}
file { '/hugepages':
ensure => 'directory',
group => 'kvm',
} ->
mount { '/hugepages':
ensure => 'mounted',
fstype => 'hugetlbfs',
device => 'hugetlbfs',
options => 'mode=775,gid=kvm',
atboot => true,
} ->
file_line { 'hugepages_mountpoint':
path => '/etc/libvirt/qemu.conf',
match => '#hugetlbfs_mount',
line => 'hugetlbfs_mount = "/hugepages"',
} ~>
service { 'qemu-kvm':
ensure => running,
enable => true,
} ~>
service { 'libvirtd':
ensure => running,
enable => true,
}
}
}