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packages.pp
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packages.pp
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# Class kubernetes packages
class kubernetes::packages (
String $kubernetes_package_version = $kubernetes::kubernetes_package_version,
String $container_runtime = $kubernetes::container_runtime,
Boolean $manage_docker = $kubernetes::manage_docker,
Boolean $manage_etcd = $kubernetes::manage_etcd,
Optional[String] $docker_version = $kubernetes::docker_version,
Optional[String] $docker_package_name = $kubernetes::docker_package_name,
Optional[String] $docker_storage_driver = $kubernetes::docker_storage_driver,
Optional[String] $docker_cgroup_driver = $kubernetes::cgroup_driver,
Optional[Array] $docker_storage_opts = $kubernetes::docker_storage_opts,
Optional[String] $docker_extra_daemon_config = $kubernetes::docker_extra_daemon_config,
String $docker_log_max_file = $kubernetes::docker_log_max_file,
String $docker_log_max_size = $kubernetes::docker_log_max_size,
Boolean $controller = $kubernetes::controller,
Optional[String] $containerd_version = $kubernetes::containerd_version,
Enum['archive','package'] $containerd_install_method = $kubernetes::containerd_install_method,
String $containerd_package_name = $kubernetes::containerd_package_name,
Optional[String] $containerd_archive = $kubernetes::containerd_archive,
Optional[String] $containerd_archive_checksum = $kubernetes::containerd_archive_checksum,
Optional[String] $containerd_source = $kubernetes::containerd_source,
String $containerd_config_template = $kubernetes::containerd_config_template,
Optional[String] $containerd_config_source = $kubernetes::containerd_config_source,
Optional[Hash] $containerd_plugins_registry = $kubernetes::containerd_plugins_registry,
Enum['runc','nvidia']
$containerd_default_runtime_name = $kubernetes::containerd_default_runtime_name,
String $etcd_archive = $kubernetes::etcd_archive,
Optional[String] $etcd_archive_checksum = $kubernetes::etcd_archive_checksum,
String $etcd_version = $kubernetes::etcd_version,
String $etcd_source = $kubernetes::etcd_source,
String $etcd_package_name = $kubernetes::etcd_package_name,
String $etcd_install_method = $kubernetes::etcd_install_method,
Optional[String] $runc_source = $kubernetes::runc_source,
Optional[String] $runc_source_checksum = $kubernetes::runc_source_checksum,
Boolean $disable_swap = $kubernetes::disable_swap,
Boolean $manage_kernel_modules = $kubernetes::manage_kernel_modules,
Boolean $manage_sysctl_settings = $kubernetes::manage_sysctl_settings,
Boolean $create_repos = $kubernetes::repos::create_repos,
Boolean $pin_packages = $kubernetes::pin_packages,
Integer $package_pin_priority = 32767,
String $archive_checksum_type = 'sha256',
String $tmp_directory = $kubernetes::tmp_directory,
) {
# Download directory for archives
file { $tmp_directory:
ensure => 'directory',
mode => '0750',
owner => 'root',
group => 'root',
backup => false,
}
$kube_packages = ['kubelet', 'kubectl', 'kubeadm']
if $disable_swap {
exec { 'disable swap':
path => ['/usr/sbin/', '/usr/bin', '/bin', '/sbin'],
command => 'swapoff -a',
unless => "awk '{ if (NR > 1) exit 1}' /proc/swaps",
}
file_line { 'remove swap in /etc/fstab':
ensure => absent,
path => '/etc/fstab',
match => '\sswap\s',
match_for_absence => true,
multiple => true,
}
}
if $manage_kernel_modules and $manage_sysctl_settings {
kmod::load { 'overlay': }
kmod::load { 'br_netfilter':
before => Sysctl['net.bridge.bridge-nf-call-iptables'],
}
sysctl { 'net.bridge.bridge-nf-call-iptables':
ensure => present,
value => '1',
before => Sysctl['net.ipv4.ip_forward'],
}
sysctl { 'net.ipv4.ip_forward':
ensure => present,
value => '1',
}
} elsif $manage_kernel_modules {
kmod::load { 'overlay': }
kmod::load { 'br_netfilter': }
} elsif $manage_sysctl_settings {
sysctl { 'net.bridge.bridge-nf-call-iptables':
ensure => present,
value => '1',
before => Sysctl['net.ipv4.ip_forward'],
}
sysctl { 'net.ipv4.ip_forward':
ensure => present,
value => '1',
}
}
if $container_runtime == 'docker' and $manage_docker == true {
# procedure: https://kubernetes.io/docs/setup/production-environment/container-runtimes/
case $facts['os']['family'] {
'Debian': {
if $create_repos and $manage_docker {
package { $docker_package_name:
ensure => $docker_version,
require => Class['Apt::Update'],
}
if $pin_packages {
file { '/etc/apt/preferences.d/docker':
mode => '0444',
owner => 'root',
group => 'root',
content => template('kubernetes/docker_apt_package_pins.erb'),
notify => Service['docker'],
}
}else {
file { '/etc/apt/preferences.d/docker':
ensure => absent,
}
}
}else {
package { $docker_package_name:
ensure => $docker_version,
}
if $pin_packages {
fail('for safety reasons package pinning is only usable if you define the create_repos and manage_docker flags')
}
}
file { '/etc/docker':
ensure => 'directory',
mode => '0644',
owner => 'root',
group => 'root',
}
file { '/etc/docker/daemon.json':
ensure => file,
owner => 'root',
group => 'root',
mode => '0644',
content => template('kubernetes/docker/daemon_debian.json.erb'),
require => [File['/etc/docker'], Package[$docker_package_name]],
notify => Service['docker'],
}
}
'RedHat': {
package { $docker_package_name:
ensure => $docker_version,
}
file { '/etc/docker':
ensure => 'directory',
mode => '0644',
owner => 'root',
group => 'root',
}
file { '/etc/docker/daemon.json':
ensure => file,
owner => 'root',
group => 'root',
mode => '0644',
content => template('kubernetes/docker/daemon_redhat.json.erb'),
require => [File['/etc/docker'], Package[$docker_package_name]],
notify => Service['docker'],
}
}
default: { notify { "The OS family ${facts['os']['family']} is not supported by this module": } }
}
file { '/etc/systemd/system/docker.service.d':
ensure => directory,
owner => 'root',
group => 'root',
mode => '0755',
require => File['/etc/docker/daemon.json'],
notify => Exec['kubernetes-systemd-reload'],
}
}
elsif $container_runtime == 'cri_containerd' and $containerd_install_method == 'package' {
# procedure: https://kubernetes.io/docs/setup/production-environment/container-runtimes/
case $facts['os']['family'] {
'Debian': {
if $create_repos {
package { $containerd_package_name:
ensure => $containerd_version,
require => Class['Apt::Update'],
}
if $pin_packages {
file { '/etc/apt/preferences.d/containerd':
mode => '0444',
owner => 'root',
group => 'root',
content => template('kubernetes/containerd_apt_package_pins.erb'),
notify => Service['containerd'],
}
}else {
file { '/etc/apt/preferences.d/containerd':
ensure => absent,
}
}
}else {
package { $containerd_package_name:
ensure => $containerd_version,
}
if $pin_packages {
fail('for safety reasons package pinning is only usable if you define the create_repos flag')
}
}
file { '/etc/containerd':
ensure => 'directory',
mode => '0644',
owner => 'root',
group => 'root',
}
if $containerd_config_source {
$_containerd_config_content = undef
} else {
$_containerd_config_content = template($containerd_config_template)
}
# Generate using 'containerd config default'
file { '/etc/containerd/config.toml':
ensure => file,
owner => 'root',
group => 'root',
mode => '0644',
content => $_containerd_config_content,
source => $containerd_config_source,
require => [File['/etc/containerd'], Package[$containerd_package_name]],
notify => Service['containerd'],
}
}
'RedHat': {
package { $containerd_package_name:
ensure => $containerd_version,
}
file { '/etc/containerd':
ensure => 'directory',
mode => '0644',
owner => 'root',
group => 'root',
}
if $containerd_config_source {
$_containerd_config_content = undef
} else {
$_containerd_config_content = template($containerd_config_template)
}
# Generate using 'containerd config default'
file { '/etc/containerd/config.toml':
ensure => file,
owner => 'root',
group => 'root',
mode => '0644',
content => $_containerd_config_content,
source => $containerd_config_source,
require => [File['/etc/containerd'], Package[$containerd_package_name]],
notify => Service['containerd'],
}
}
default: { notify { "The OS family ${facts['os']['family']} is not supported by this module": } }
}
}
elsif $container_runtime == 'cri_containerd' and $containerd_install_method == 'archive' {
if $runc_source_checksum and $runc_source_checksum =~ /.+/ {
$runc_source_checksum_verify = true
$runc_source_creates = undef
}else {
$runc_source_checksum_verify = false
$runc_source_creates = ['/usr/bin/runc']
}
archive { '/usr/bin/runc':
source => $runc_source,
checksum_type => $archive_checksum_type,
checksum => $runc_source_checksum,
checksum_verify => $runc_source_checksum_verify,
extract => false,
cleanup => false,
creates => $runc_source_creates,
}
-> file { '/usr/bin/runc':
mode => '0700',
}
file { '/etc/containerd':
ensure => 'directory',
mode => '0644',
owner => 'root',
group => 'root',
}
# Generate using 'containerd config default'
file { '/etc/containerd/config.toml':
ensure => file,
owner => 'root',
group => 'root',
mode => '0644',
content => template('kubernetes/containerd/config.toml.erb'),
require => [File['/etc/containerd'], Archive[$containerd_archive]],
notify => Service['containerd'],
}
if $containerd_archive_checksum and $containerd_archive_checksum =~ /.+/ {
$containerd_archive_checksum_verify = true
$containerd_archive_creates = undef
}else {
$containerd_archive_checksum_verify = false
$containerd_archive_creates = ['/usr/bin/containerd']
}
archive { $containerd_archive:
path => "${tmp_directory}/${containerd_archive}",
source => $containerd_source,
checksum_type => $archive_checksum_type,
checksum => $containerd_archive_checksum,
checksum_verify => $containerd_archive_checksum_verify,
extract => true,
extract_command => 'tar xfz %s --strip-components=1 -C /usr/bin/',
extract_path => '/',
cleanup => true,
creates => $containerd_archive_creates,
notify => Service['containerd'],
require => File[$tmp_directory],
}
}
if $controller and $manage_etcd {
if $etcd_install_method == 'wget' {
if $etcd_archive_checksum and $etcd_archive_checksum =~ /.+/ {
$etcd_archive_checksum_verify = true
$etcd_archive_creates = undef
}else {
$etcd_archive_checksum_verify = false
$etcd_archive_creates = ['/usr/local/bin/etcd', '/usr/local/bin/etcdctl']
}
archive { $etcd_archive:
path => "${tmp_directory}/${etcd_archive}",
source => $etcd_source,
checksum_type => $archive_checksum_type,
checksum => $etcd_archive_checksum,
checksum_verify => $etcd_archive_checksum_verify,
extract => true,
extract_command => 'tar xfz %s --strip-components=1 -C /usr/local/bin/',
extract_path => '/usr/local/bin',
cleanup => true,
creates => $etcd_archive_creates,
notify => Service['etcd'],
require => File[$tmp_directory],
}
} else {
package { $etcd_package_name:
ensure => $etcd_version,
notify => Service['etcd'],
}
}
}
if $create_repos and $facts['os']['family'] == 'Debian' {
package { $kube_packages:
ensure => $kubernetes_package_version,
require => Class['Apt::Update'],
notify => [Exec['kubernetes-systemd-reload'], Service['kubelet']],
}
if $pin_packages {
file { '/etc/apt/preferences.d/kubernetes':
mode => '0444',
owner => 'root',
group => 'root',
content => template('kubernetes/kubernetes_apt_package_pins.erb'),
}
}else {
file { '/etc/apt/preferences.d/kubernetes':
ensure => absent,
}
}
}else {
package { $kube_packages:
ensure => $kubernetes_package_version,
notify => [Exec['kubernetes-systemd-reload'], Service['kubelet']],
}
if $pin_packages {
fail('package pinning is not implemented on this platform')
}
}
}