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|
# File 'manifests/server/tls.pp', line 2
class k8s::server::tls (
K8s::Ensure $ensure = 'present',
Boolean $generate_ca = $k8s::server::generate_ca,
Boolean $manage_certs = $k8s::server::manage_certs,
K8s::TLS_altnames $api_addn_names = [],
String[1] $cluster_domain = $k8s::cluster_domain,
Stdlib::IP::Address::Nosubnet $api_service_address = $k8s::api_service_address,
Stdlib::Unixpath $cert_path = $k8s::server::cert_path,
Integer[512] $key_bits = 2048,
Integer[1] $valid_days = 10000,
Stdlib::Unixpath $ca_key = $k8s::server::ca_key,
Stdlib::Unixpath $ca_cert = $k8s::server::ca_cert,
Stdlib::Unixpath $aggregator_ca_key = $k8s::server::aggregator_ca_key,
Stdlib::Unixpath $aggregator_ca_cert = $k8s::server::aggregator_ca_cert,
) {
if $manage_certs or $ensure == 'absent' {
if !defined(File[$cert_path]) {
file { $cert_path:
ensure => stdlib::ensure($ensure, 'directory'),
owner => $k8s::user,
group => $k8s::group,
}
}
if $ensure == 'present' {
ensure_packages(['openssl'])
# Additional non-CA certs that should also only be generated on one node
if $generate_ca {
Package <| title == 'openssl' |>
-> exec { 'K8s create service account private key':
path => $facts['path'],
command => "openssl genrsa -out '${cert_path}/service-account.key' ${key_bits}; echo > '${cert_path}/service-account.pub'",
unless => "openssl pkey -in '${cert_path}/service-account.key' -text | grep '${key_bits} bit'",
before => [
File["${cert_path}/service-account.key"],
Exec['K8s get service account public key'],
],
}
}
Package <| title == 'openssl' |>
-> exec { 'K8s get service account public key':
path => $facts['path'],
command => "openssl pkey -pubout -in '${cert_path}/service-account.key' -out '${cert_path}/service-account.pub'",
unless => "openssl pkey -pubin -in '${cert_path}/service-account.pub' -noout",
before => File["${cert_path}/service-account.pub"],
}
}
# Generate K8s CA
k8s::server::tls::ca {
default:
ensure => $ensure,
owner => $k8s::user,
group => $k8s::group,
key_bits => $key_bits,
valid_days => $valid_days,
generate => $generate_ca;
'kube-ca':
key => $ca_key,
cert => $ca_cert;
'aggregator-ca':
subject => '/CN=front-proxy',
key => $aggregator_ca_key,
cert => $aggregator_ca_cert;
}
k8s::server::tls::cert {
default:
ensure => $ensure,
cert_path => $cert_path,
ca_key => $ca_key,
ca_cert => $ca_cert,
owner => $k8s::user,
group => $k8s::group;
'kube-apiserver':
extended_key_usage => ['serverAuth'],
# prevent undef value if ipv6 is turned off
addn_names => delete_undef_values(
(
[
'kubernetes',
'kubernetes.default',
'kubernetes.default.svc',
"kubernetes.default.svc.${cluster_domain}",
'kubernetes.service.discover',
'localhost',
fact('networking.hostname'),
fact('networking.fqdn'),
$api_service_address,
'127.0.0.1',
'::1',
fact('networking.ip'),
fact('networking.ip6'),
] + $api_addn_names
).unique()
),
distinguished_name => {
commonName => 'kube-apiserver',
};
'front-proxy-client':
ca_key => $aggregator_ca_key,
ca_cert => $aggregator_ca_cert,
distinguished_name => {
commonName => 'front-proxy-client',
};
'apiserver-kubelet-client':
distinguished_name => {
commonName => 'apiserver-kubelet-client',
organizationName => 'system:masters',
};
'kube-controller-manager':
distinguished_name => {
commonName => 'system:kube-controller-manager',
};
'kube-scheduler':
distinguished_name => {
commonName => 'system:kube-scheduler',
};
'kube-proxy':
distinguished_name => {
commonName => 'system:kube-proxy',
};
'node':
extended_key_usage => ['serverAuth', 'clientAuth'],
# prevent undef value if ipv6 is turned off
addn_names => delete_undef_values(
[
fact('networking.fqdn'),
fact('networking.ip'),
fact('networking.ip6'),
]
),
distinguished_name => {
organizationName => 'system:nodes',
commonName => "system:node:${fact('networking.fqdn')}",
};
'admin':
distinguished_name => {
organizationName => 'system:masters',
commonName => 'kube-admin',
};
}
file {
default:
ensure => $ensure,
owner => $k8s::user,
group => $k8s::group;
"${cert_path}/etcd-ca.pem":
source => 'file:///var/lib/etcd/certs/client-ca.pem';
"${cert_path}/etcd.pem":
source => 'file:///var/lib/etcd/certs/etcd-client.pem';
"${cert_path}/etcd.key":
mode => '0640',
source => 'file:///var/lib/etcd/certs/etcd-client.key';
}
# Require either generation or user-provided etcd secrets before creating k8s copies
K8s::Server::Tls::Ca <| title == 'etcd-client-ca' |> -> File["${cert_path}/etcd-ca.pem"]
K8s::Server::Tls::Cert <| title == 'etcd-client' |> -> File["${cert_path}/etcd.pem"]
K8s::Server::Tls::Cert <| title == 'etcd-client' |> -> File["${cert_path}/etcd.key"]
File <| title == '/var/lib/etc/certs/client-ca.pem' |> -> File["${cert_path}/etcd-ca.pem"]
File <| title == '/var/lib/etc/certs/etcd-client.pem' |> -> File["${cert_path}/etcd.pem"]
File <| title == '/var/lib/etc/certs/etcd-client.key' |> -> File["${cert_path}/etcd.key"]
if $generate_ca and !defined(File["${cert_path}/service-account.key"]) {
file { "${cert_path}/service-account.key":
ensure => $ensure,
owner => $k8s::user,
group => $k8s::group,
replace => false,
mode => '0600',
}
}
if !defined(File["${cert_path}/service-account.pub"]) {
file { "${cert_path}/service-account.pub":
ensure => $ensure,
owner => $k8s::user,
group => $k8s::group,
replace => false,
mode => '0640',
}
}
}
}
|