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# File 'manifests/server/etcd.pp', line 21
class k8s::server::etcd (
K8s::Ensure $ensure = 'present',
String[1] $version = pick($k8s::etcd_version, '3.5.1'),
Boolean $manage_setup = true,
Boolean $manage_firewall = false,
Boolean $manage_members = false,
String[1] $cluster_name = pick($k8s::server::etcd_cluster_name, 'default'),
String[1] $puppetdb_discovery_tag = pick($k8s::server::puppetdb_discovery_tag, $cluster_name),
Boolean $self_signed_tls = false,
Boolean $manage_certs = true,
Boolean $generate_ca = false,
K8s::TLS_altnames $addn_names = [],
Stdlib::Unixpath $cert_path = '/var/lib/etcd/certs',
Stdlib::Unixpath $peer_ca_key = "${cert_path}/peer-ca.key",
Stdlib::Unixpath $peer_ca_cert = "${cert_path}/peer-ca.pem",
Stdlib::Unixpath $client_ca_key = "${cert_path}/client-ca.key",
Stdlib::Unixpath $client_ca_cert = "${cert_path}/client-ca.pem",
Optional[K8s::Firewall] $firewall_type = $k8s::server::firewall_type,
String[1] $user = 'etcd',
String[1] $group = 'etcd',
) {
if (!$self_signed_tls and $manage_certs) or $ensure == 'absent' {
if !defined(File[$cert_path]) {
file { $cert_path:
ensure => stdlib::ensure($ensure, 'directory'),
owner => $user,
group => $group,
}
}
$_addn_names = delete_undef_values( # prevent undef value if ipv6 is turned off
[
fact('networking.hostname'),
fact('networking.fqdn'),
fact('networking.ip'),
fact('networking.ip6'),
'localhost',
'127.0.0.1',
'::1',
] + $addn_names
).unique
k8s::server::tls::ca {
default:
ensure => $ensure,
owner => $user,
group => $group,
generate => $generate_ca;
'etcd-peer-ca':
key => $peer_ca_key,
cert => $peer_ca_cert;
'etcd-client-ca':
key => $client_ca_key,
cert => $client_ca_cert;
}
k8s::server::tls::cert {
default:
ensure => $ensure,
owner => $user,
group => $group,
cert_path => $cert_path;
'etcd-server':
ca_key => $client_ca_key,
ca_cert => $client_ca_cert,
addn_names => $_addn_names,
distinguished_name => {
commonName => fact('networking.fqdn'),
},
extended_key_usage => ['serverAuth'];
'etcd-peer':
ca_key => $peer_ca_key,
ca_cert => $peer_ca_cert,
addn_names => $_addn_names,
distinguished_name => {
commonName => fact('networking.fqdn'),
},
extended_key_usage => ['serverAuth', 'clientAuth'];
'etcd-client':
ca_key => $client_ca_key,
ca_cert => $client_ca_cert,
distinguished_name => {
commonName => 'etcd client',
};
}
}
if $manage_setup and !$manage_members {
include k8s::server::etcd::setup
}
if $ensure == 'present' and $manage_members {
# Needs the PuppetDB terminus installed
$pql_query = [
'resources[certname,parameters] {',
' type = \'Class\' and',
' title = \'K8s::Server::Etcd::Setup\' and',
' nodes {',
' resources {',
' type = \'Class\' and',
' title = \'K8s::Server::Etcd\' and',
" parameters.cluster_name = '${cluster_name}' and",
" parameters.puppetdb_discovery_tag = '${puppetdb_discovery_tag}' and",
" certname != '${trusted[certname]}'",
' }',
' }',
' order by certname }',
].join(' ')
$cluster_nodes = puppetdb_query($pql_query)
if $manage_setup {
class { 'k8s::server::etcd::setup':
initial_cluster => $cluster_nodes.map |$node| {
"${node['parameters']['etcd_name']}=${node['parameters']['initial_advertise_peer_urls'][0]}"
},
initial_cluster_state => ($cluster_nodes.size() ? {
0 => 'new',
default => 'existing',
}),
}
}
$cluster_nodes.each |$node| {
k8s::server::etcd::member { $node['parameters']['etcd_name']:
peer_urls => $node['parameters']['initial_advertise_peer_urls'],
cluster_urls => ['https://localhost:2379'],
cluster_ca => $client_ca_cert,
cluster_cert => "${cert_path}/etcd-client.pem",
cluster_key => "${cert_path}/etcd-client.key",
}
}
}
if $manage_firewall {
if $facts['firewalld_version'] {
$_firewall_type = pick($firewall_type, 'firewalld')
} else {
$_firewall_type = pick($firewall_type, 'iptables')
}
case $_firewall_type {
'firewalld' : {
firewalld_service {
default:
ensure => $ensure,
zone => 'public';
'Allow etcd server access':
service => 'etcd-server';
'Allow etcd client access':
service => 'etcd-client';
}
}
'iptables': {
include firewall
firewall { '100 allow etcd server access':
dport => 2379,
proto => 'tcp',
action => 'accept',
}
firewall { '100 allow etcd client access':
dport => 2380,
proto => 'tcp',
action => 'accept',
}
}
default: {}
}
}
}
|