Merge "Remove the unused tripleo::host::sriov class"

This commit is contained in:
Zuul 2021-04-09 05:19:18 +00:00 committed by Gerrit Code Review
commit 758f2e49b0
9 changed files with 0 additions and 665 deletions

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Puppet::Type.type(:sriov_vf_config).provide(:numvfs) do
desc <<-EOT
The file /sys/class/net/<sriov_interface_name>/device/sriov_numvfs will be
present when a physical PCIe device supports SR-IOV. A number written to
this file will enable the specified number of VFs. This provider shall read
the file and ensure that the value is zero, before writing the number of
VFs that should be enabled. If the VFs needs to be disabled then we shall
write a zero to this file.
EOT
def create
if File.file?(sriov_numvfs_path)
if ovs_mode == "switchdev"
_apply_hw_offload
else
_set_numvfs
end
else
warning("#{sriov_numvfs_path} doesn't exist. Check if #{sriov_get_interface} is a valid network interface supporting SR-IOV")
end
end
def destroy
if File.file?(sriov_numvfs_path)
File.write(sriov_numvfs_path,"0")
end
end
def exists?
if File.file?(sriov_numvfs_path)
cur_value = File.read(sriov_numvfs_path)
if cur_value.to_i == sriov_numvfs_value
return true
end
end
return false
end
def _set_numvfs
# During an update, the content of file sriov_numvfs_path has to be set
# to 0 (ZERO), before writing the actual value
cur_value = File.read(sriov_numvfs_path)
if cur_value != 0
File.write(sriov_numvfs_path,"0")
end
File.write(sriov_numvfs_path,sriov_numvfs_value)
end
def _apply_hw_offload
# Changing the mode of virtual functions to support hw-offload
vendor_id = File.read(vendor_path).strip
# Setting the number of vfs
_set_numvfs
# Applying the hardware offloading
if vendor_id == "0x15b3"
vfs_pcis = get_vfs_pcis
# Unbinding virtual functions
vfs_pcis.each do|vfs_pci|
File.write("/sys/bus/pci/drivers/mlx5_core/unbind",vfs_pci)
end
end
# Saving the name of sriov interface to udev rules
udev_file_path = "/etc/udev/rules.d/70-persistent-net.rules"
sriov_interface_mac = File.read(sriov_interface_mac_path).strip
udev_data_line = get_udev_data_line(sriov_interface_mac)
File.write(udev_file_path, udev_data_line, mode: 'a')
%x{/usr/sbin/udevadm control --reload-rules}
%x{/usr/sbin/udevadm trigger}
# Changing the mode of sriov interface to switchdev mode
%x{/usr/sbin/devlink dev eswitch set pci/#{get_interface_pci} mode switchdev}
%x{/usr/sbin/ifup #{sriov_get_interface}}
if get_interface_device == "0x1013" || get_interface_device == "0x1015"
%x{/usr/sbin/devlink dev eswitch set pci/#{get_interface_pci} inline-mode transport}
end
%x{/usr/sbin/ethtool -K #{sriov_get_interface} hw-tc-offload on}
end
def get_udev_data_line(mac)
'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="' + "#{mac}" + '", NAME="' + "#{sriov_get_interface}" + "\"\n"
end
def sriov_interface_mac_path
"/sys/class/net/#{sriov_get_interface}/address"
end
def sriov_numvfs_path
"/sys/class/net/#{sriov_get_interface}/device/sriov_numvfs"
end
def sriov_get_interface
resource[:name].split(':', 3).first
end
def sriov_numvfs_value
resource[:name].split(':', 3)[1].to_i
end
def vendor_path
"/sys/class/net/#{sriov_get_interface}/device/vendor"
end
def ovs_mode
if resource[:name].split(':', 3).length == 2
'legacy'
else
resource[:name].split(':', 3).last
end
end
def get_vfs_pcis
%x{cat /sys/class/net/#{sriov_get_interface}/device/virtfn*/uevent | grep PCI_SLOT_NAME | cut -d'=' -f2}.split(/\n+/)
end
def get_interface_pci
%x{ethtool -i #{sriov_get_interface} | grep bus-info | awk {'print$2'}}.strip
end
def get_interface_device
%x{cat /sys/class/net/#{sriov_get_interface}/device/device}.strip
end
end

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Puppet::Type.newtype(:sriov_vf_config) do
ensurable
newparam(:name) do
desc "sriov_numvfs conf as <physical_network>:<number_of_vfs>:<mode> format"
newvalues(/^[a-zA-Z0-9\-_]+:[0-9]+(:(switchdev|legacy))?$/)
end
end

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# == Class: tripleo::host::sriov
#
# Configures host configuration for the SR-IOV interfaces
#
# === Parameters
#
# [*number_of_vfs*]
# (optional) List of <physical_network>:<number_of_vfs>:<sriov_mode>
# specifying the number VFs to be exposed per physical interface with sriov
# mode, where <sriov_mode> is optional field which accepts legacy or
# switchdev, and if it's not specified we default it to legacy.
# For example, to configure two interface with number of VFs, specify
# it as ['eth1:4','eth2:10:legacy'] for legacey mode or specify it as
# ['eth1:4:switchdev'] for switchdev mode
# Defaults to []
#
class tripleo::host::sriov (
$number_of_vfs = [],
) {
if !empty($number_of_vfs) {
sriov_vf_config { $number_of_vfs: ensure => present }
# the numvfs configuration needs to be persisted for every boot
tripleo::host::sriov::numvfs_persistence {'persistent_numvfs':
vf_defs => $number_of_vfs,
content_string => "#!/bin/bash\n",
udev_rules => ''
}
}
}

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#
# tripleo::host::sriov::numvfs_persistence used by tripleo::host::sriov
#
# === Parameters:
#
# [*vf_defs*]
# (required) Array of <physical_interface>:<numvfs>.
# Example: ['eth1:10','eth2:8']
#
# [*content_string*]
# (required) String which shall be written to the script file.
#
# [*udev_rules*]
# (required) String of lines to write to udev rules to ensure
# VFs are reconfigured if the PCI devices are removed and
# readded without rebooting (e.g. when physical functions were
# allocated to VMs)
#
define tripleo::host::sriov::numvfs_persistence(
$vf_defs,
$content_string,
$udev_rules
){
# Since reduce isn't available, we use recursion to iterate each entries of
# "physical_interface:vfs" and accumulate the content that needs to be
# written to the script file.
include stdlib
if empty($vf_defs) {
file { '/etc/sysconfig/allocate_vfs':
ensure => file,
content => $content_string,
group => 'root',
mode => '0755',
owner => 'root',
}
file { '/sbin/ifup-local':
group => 'root',
mode => '0755',
owner => 'root',
content => '#!/bin/bash',
replace => false
}
file { '/etc/udev/rules.d/70-tripleo-reset-sriov.rules':
ensure => file,
group => 'root',
mode => '0755',
owner => 'root',
content => $udev_rules,
replace => true,
}
file_line { 'call_ifup-local':
path => '/sbin/ifup-local',
line => '/etc/sysconfig/allocate_vfs $1',
require => File['/sbin/ifup-local'],
}
} else {
$vfspec = split($vf_defs[0], ':')
$interface = $vfspec[0]
$count = $vfspec[1]
if (length($vfspec) == 3) {
$mode = $vfspec[2]
} else {
$mode = 'legacy'
}
if ($mode == 'switchdev') {
$vfdef_str = epp('tripleo/switchdev/switchdev.epp', {
'content_string' => "${content_string}",
'interface' => "${interface}",
'count' => "${count}"
})
} else {
$vfdef_str = "${content_string}[ \"${interface}\" == \"\$1\" ] \
&& echo ${count} > /sys/class/net/${interface}/device/sriov_numvfs\n"
}
$udev_str = "${udev_rules}KERNEL==\"${interface}\", \
RUN+=\"/etc/sysconfig/allocate_vfs %k\"\n"
tripleo::host::sriov::numvfs_persistence{"mapped ${interface}":
vf_defs => delete_at($vf_defs, 0),
content_string => $vfdef_str,
udev_rules => $udev_str
}
}
}

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require 'spec_helper'
describe 'tripleo::host::sriov' do
shared_examples_for 'tripleo::host::sriov' do
let :params do
{:number_of_vfs => []}
end
it 'does not configure numvfs by default' do
is_expected.not_to contain_sriov_vf_config([])
end
context 'when number_of_vfs is configured' do
let :params do
{:number_of_vfs => ['eth0:4','eth1:5']}
end
it 'configures numvfs' do
is_expected.to contain_sriov_vf_config('eth0:4').with( :ensure => 'present' )
is_expected.to contain_sriov_vf_config('eth1:5').with( :ensure => 'present' )
is_expected.to contain_tripleo__host__sriov__numvfs_persistence('persistent_numvfs').with(
:vf_defs => ['eth0:4','eth1:5'],
:content_string => "#!/bin/bash\n"
)
end
end
end
on_supported_os.each do |os, facts|
context "on #{os}" do
let(:facts) do
facts.merge({})
end
it_behaves_like 'tripleo::host::sriov'
end
end
end

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require 'spec_helper'
describe 'tripleo::host::sriov::numvfs_persistence' do
describe 'confugure numvfs for persistence' do
let :title do
'numvfs'
end
let :params do
{
:name => 'persistence',
:vf_defs => ['eth0:10','eth1:8'],
:content_string => "Hashbang\n",
:udev_rules => ""
}
end
it 'configures persistence' do
is_expected.to contain_file('/etc/sysconfig/allocate_vfs').with(
:ensure => 'file',
:content => "Hashbang\n[ \"eth0\" == \"\$1\" ] && echo 10 > /sys/class/net/eth0/device/sriov_numvfs\n[ \"eth1\" == \"\$1\" ] && echo 8 > /sys/class/net/eth1/device/sriov_numvfs\n",
:group => 'root',
:mode => '0755',
:owner => 'root',
)
is_expected.to contain_file('/sbin/ifup-local').with(
:group => 'root',
:mode => '0755',
:owner => 'root',
:content => '#!/bin/bash',
:replace => false,
)
is_expected.to contain_file('/etc/udev/rules.d/70-tripleo-reset-sriov.rules').with(
:ensure => 'file',
:content => "KERNEL==\"eth0\", RUN+=\"/etc/sysconfig/allocate_vfs %k\"\nKERNEL==\"eth1\", RUN+=\"/etc/sysconfig/allocate_vfs %k\"\n",
:group => 'root',
:mode => '0755',
:owner => 'root',
:replace => true
)
is_expected.to contain_file_line('call_ifup-local').with(
:path => '/sbin/ifup-local',
:line => '/etc/sysconfig/allocate_vfs $1',
)
end
end
end
describe 'tripleo::host::sriov::numvfs_persistence' do
describe 'confugure numvfs for persistence' do
let :title do
'numvfs'
end
let :params do
{
:name => 'persistence',
:vf_defs => ['eth0:10:switchdev','eth1:8:legacy'],
:content_string => "Hashbang\n",
:udev_rules => ""
}
end
it 'configures persistence' do
is_expected.to contain_file('/etc/sysconfig/allocate_vfs').with(
:ensure => 'file',
:content => "Hashbang\nset -ex
set -o pipefail
if [ \"eth0\" == \"$1\" ]
then
exec 1> >(logger -s -t $(basename $0)) 2>&1
vendor_id=\"$(cat /sys/class/net/eth0/device/vendor)\"
if [ \"$(cat /sys/class/net/eth0/device/sriov_numvfs)\" == \"0\" ]
then
echo 10 > /sys/class/net/eth0/device/sriov_numvfs
else
exit 0
fi
if [ $vendor_id == \"0x15b3\" ]
then
vfs_pci_list=$(grep PCI_SLOT_NAME /sys/class/net/eth0/device/virtfn*/uevent | cut -d'=' -f2)
for pci in $vfs_pci_list
do
echo \"$pci\" > /sys/bus/pci/drivers/mlx5_core/unbind
done
fi
interface_pci=$(grep PCI_SLOT_NAME /sys/class/net/eth0/device/uevent | cut -d'=' -f2)
/usr/sbin/devlink dev eswitch set pci/\"$interface_pci\" mode switchdev
/usr/sbin/ifup eth0
if [[ \"$(/usr/sbin/devlink dev eswitch show pci/\"$interface_pci\")\" =~ \"mode switchdev\" ]]
then
echo \"PCI device $interface_pci set to mode switchdev.\"
else
echo \"Failed to set PCI device $interface_pci to mode switchdev.\"
exit 1
fi
interface_device=$(cat /sys/class/net/eth0/device/device)
if [ \"$interface_device\" == \"0x1013\" ] || [ \"$interface_device\" == \"0x1015\" ]
then
/usr/sbin/devlink dev eswitch set pci/\"$interface_pci\" inline-mode transport
fi
/usr/sbin/ethtool -K eth0 hw-tc-offload on
fi\n[ \"eth1\" == \"\$1\" ] && echo 8 > /sys/class/net/eth1/device/sriov_numvfs\n",
:group => 'root',
:mode => '0755',
:owner => 'root',
)
is_expected.to contain_file('/sbin/ifup-local').with(
:group => 'root',
:mode => '0755',
:owner => 'root',
:content => '#!/bin/bash',
:replace => false,
)
is_expected.to contain_file('/etc/udev/rules.d/70-tripleo-reset-sriov.rules').with(
:ensure => 'file',
:content => "KERNEL==\"eth0\", RUN+=\"/etc/sysconfig/allocate_vfs %k\"\nKERNEL==\"eth1\", RUN+=\"/etc/sysconfig/allocate_vfs %k\"\n",
:group => 'root',
:mode => '0755',
:owner => 'root',
:replace => true
)
is_expected.to contain_file_line('call_ifup-local').with(
:path => '/sbin/ifup-local',
:line => '/etc/sysconfig/allocate_vfs $1',
)
end
end
end

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require 'puppet'
require 'spec_helper'
require 'puppet/provider/sriov_vf_config/numvfs'
provider_class = Puppet::Type.type(:sriov_vf_config).
provider(:numvfs)
describe provider_class do
let(:test_cfg_path) { "/tmp/test-ifup-local.txt" }
let :numvfs_conf do
{
:name => 'eth0:10',
:ensure => 'present',
}
end
describe 'when setting the attributes' do
let :resource do
Puppet::Type::Sriov_vf_config.new(numvfs_conf)
end
let :provider do
provider_class.new(resource)
end
it 'should return the correct interface name' do
expect(provider.sriov_get_interface).to eql('eth0')
end
it 'should return the correct numvfs value' do
expect(provider.sriov_numvfs_value).to eql(10)
end
it 'should return path of the file to enable vfs' do
expect(provider.sriov_numvfs_path).to eql('/sys/class/net/eth0/device/sriov_numvfs')
end
it 'should return ovs mode: legacy' do
expect(provider.ovs_mode).to eql('legacy')
end
end
let :numvfs_conf_switchdev do
{
:name => 'eth1:12:switchdev',
:ensure => 'present',
}
end
describe 'when setting the attributes' do
let :resource_switchdev do
Puppet::Type::Sriov_vf_config.new(numvfs_conf_switchdev)
end
let :provider_switchdev do
provider_class.new(resource_switchdev)
end
it 'should return the correct interface name' do
expect(provider_switchdev.sriov_get_interface).to eql('eth1')
end
it 'should return the correct numvfs value' do
expect(provider_switchdev.sriov_numvfs_value).to eql(12)
end
it 'should return path of the file to enable vfs' do
expect(provider_switchdev.sriov_numvfs_path).to eql('/sys/class/net/eth1/device/sriov_numvfs')
end
it 'should return path of the vendor file' do
expect(provider_switchdev.vendor_path).to eql('/sys/class/net/eth1/device/vendor')
end
it 'should return ovs mode: switchdev' do
expect(provider_switchdev.ovs_mode).to eql('switchdev')
end
end
let :numvfs_conf_legacy do
{
:name => 'eth2:14:legacy',
:ensure => 'present',
}
end
describe 'when setting the attributes' do
let :resource_legacy do
Puppet::Type::Sriov_vf_config.new(numvfs_conf_legacy)
end
let :provider_legacy do
provider_class.new(resource_legacy)
end
it 'should return the correct interface name' do
expect(provider_legacy.sriov_get_interface).to eql('eth2')
end
it 'should return the correct numvfs value' do
expect(provider_legacy.sriov_numvfs_value).to eql(14)
end
it 'should return path of the file to enable vfs' do
expect(provider_legacy.sriov_numvfs_path).to eql('/sys/class/net/eth2/device/sriov_numvfs')
end
it 'should return path of the vendor file' do
expect(provider_legacy.vendor_path).to eql('/sys/class/net/eth2/device/vendor')
end
it 'should return ovs mode: legacy' do
expect(provider_legacy.ovs_mode).to eql('legacy')
end
end
end

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require 'puppet'
require 'puppet/type/sriov_vf_config'
describe 'Puppet::Type.type(:sriov_vf_config)' do
it 'should allow name to be passed' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth0:10',
:ensure => 'present'
)}.not_to raise_error
end
it 'should allow name to be passed' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eTH0:10',
:ensure => 'present'
)}.not_to raise_error
end
it 'should allow name to be passed with -' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth-0:10',
:ensure => 'present'
)}.not_to raise_error
end
it 'should allow name to be passed with _' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth_0:10',
:ensure => 'present'
)}.not_to raise_error
end
it 'should throw error for invalid format' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth0',
:ensure => 'present'
)}.to raise_error(Puppet::ResourceError)
end
it 'should throw error for invalid format without interface name' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => ':9',
:ensure => 'present'
)}.to raise_error(Puppet::ResourceError)
end
it 'should throw error for invalid format for numvfs' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth8:none',
:ensure => 'present'
)}.to raise_error(Puppet::ResourceError)
end
it 'should throw error for invalid format without numvfs' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth0:',
:ensure => 'present'
)}.to raise_error(Puppet::ResourceError)
end
it 'should allow name to be passed' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth0:10:legacy',
:ensure => 'present'
)}.not_to raise_error
end
it 'should allow name to be passed' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth0:10:switchdev',
:ensure => 'present'
)}.not_to raise_error
end
it 'should throw error for invalid format for ovs mode' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth0:10:None',
:ensure => 'present'
)}.to raise_error(Puppet::ResourceError)
end
it 'should throw error for invalid format without ovs mode' do
expect{Puppet::Type.type(:sriov_vf_config).new(
:name => 'eth0:10:',
:ensure => 'present'
)}.to raise_error(Puppet::ResourceError)
end
end

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<%- | String $content_string = '', String $interface = '', String $count = '' | -%>
<%=$content_string%>set -ex
set -o pipefail
if [ "<%=$interface%>" == "$1" ]
then
exec 1> >(logger -s -t $(basename $0)) 2>&1
vendor_id="$(cat /sys/class/net/<%=$interface%>/device/vendor)"
if [ "$(cat /sys/class/net/<%=$interface%>/device/sriov_numvfs)" == "0" ]
then
echo <%=$count%> > /sys/class/net/<%=$interface%>/device/sriov_numvfs
else
exit 0
fi
if [ $vendor_id == "0x15b3" ]
then
vfs_pci_list=$(grep PCI_SLOT_NAME /sys/class/net/<%=$interface%>/device/virtfn*/uevent | cut -d'=' -f2)
for pci in $vfs_pci_list
do
echo "$pci" > /sys/bus/pci/drivers/mlx5_core/unbind
done
fi
interface_pci=$(grep PCI_SLOT_NAME /sys/class/net/<%=$interface%>/device/uevent | cut -d'=' -f2)
/usr/sbin/devlink dev eswitch set pci/"$interface_pci" mode switchdev
/usr/sbin/ifup <%=$interface%>
if [[ "$(/usr/sbin/devlink dev eswitch show pci/"$interface_pci")" =~ "mode switchdev" ]]
then
echo "PCI device $interface_pci set to mode switchdev."
else
echo "Failed to set PCI device $interface_pci to mode switchdev."
exit 1
fi
interface_device=$(cat /sys/class/net/<%=$interface%>/device/device)
if [ "$interface_device" == "0x1013" ] || [ "$interface_device" == "0x1015" ]
then
/usr/sbin/devlink dev eswitch set pci/"$interface_pci" inline-mode transport
fi
/usr/sbin/ethtool -K <%=$interface%> hw-tc-offload on
fi