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Services: Kea DHCP [new]: Kea DHCPv4 - generate json payload from model, work in progress for https://github.com/opnsense/core/pull/7361

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This commit is contained in:
Ad Schellevis 2024-04-15 21:29:45 +02:00
parent 1afe0405bc
commit 29e87aa3e4
2 changed files with 169 additions and 0 deletions
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37
src/opnsense/mvc/app/models/OPNsense/Kea/KeaCtrlAgent.php
View File

@ -28,8 +28,45 @@
namespace OPNsense\Kea;
use OPNsense\Core\File;
use OPNsense\Base\BaseModel;
class KeaCtrlAgent extends BaseModel
{
public function generateConfig($target='/usr/local/etc/kea/kea-ctrl-agent.conf')
{
$cnf = [
'Control-agent' => [
'http-host' => (string)$this->general->http_host,
'http-port' => (int)$this->general->http_port->__toString(),
'control-sockets' => [
'dhcp4' => [
'socket-type' => 'unix',
'socket-name' => '/var/run/kea4-ctrl-socket'
],
'dhcp6' => [
'socket-type' => 'unix',
'socket-name'=> '/var/run/kea6-ctrl-socket'
],
'd2' => [
'socket-type' => 'unix',
'socket-name' => '/var/run/kea-ddns-ctrl-socket'
]
],
'loggers' => [
[
'name' => 'kea-ctrl-agent',
'output_options' => [
[
'output' => 'syslog'
]
],
'severity' => 'INFO',
'debuglevel' => 0
]
]
]
];
File::file_put_contents($target, json_encode($cnf, JSON_PRETTY_PRINT), 0600);
}
}

132
src/opnsense/mvc/app/models/OPNsense/Kea/KeaDhcpv4.php
View File

@ -32,6 +32,7 @@ use OPNsense\Base\Messages\Message;
use OPNsense\Base\BaseModel;
use OPNsense\Core\Config;
use OPNsense\Core\Backend;
use OPNsense\Core\File;
use OPNsense\Firewall\Util;
class KeaDhcpv4 extends BaseModel
@ -102,4 +103,135 @@ class KeaDhcpv4 extends BaseModel
(string)$this->general->fwrules == '1' &&
!empty((string)(string)$this->general->interfaces);
}
/**
*
*/
private function getConfigPhysicalInterfaces()
{
$result = [];
$cfg = Config::getInstance()->object();
foreach (explode(',', $this->general->interfaces) as $if) {
if (isset($cfg->interfaces->$if) && !empty($cfg->interfaces->$if->if)) {
$result[] = (string)$cfg->interfaces->$if->if;
}
}
return $result;
}
private function getConfigThisServerHostname()
{
$hostname = (string)$this->ha->this_server_name;
if (empty($hostname)) {
$hostname = (string)Config::getInstance()->object()->system->hostname;
}
return $hostname;
}
private function getConfigSubnets()
{
$result = [];
$subnet_id = 1;
foreach ($this->subnets->subnet4->iterateItems() as $subnet_uuid => $subnet) {
$record = [
'id' => $subnet_id++,
'subnet' => (string)$subnet->subnet,
'option-data' => [],
'pools' => [],
'reservations' => []
];
foreach ($subnet->option_data->iterateItems() as $key => $value) {
if (!empty((string)$value)) {
$record['option-data'][] = [
'name' => str_replace('_', '-', $key),
'data' => (string)$value
];
}
}
foreach (array_filter(explode("\n", $subnet->pools)) as $pool) {
$record['pools'][] = ['pool' => $pool];
}
foreach ($this->reservations->reservation->iterateItems() as $key => $reservation) {
if ($reservation->subnet != $subnet_uuid) {
continue;
}
$res = [];
foreach (['hw_address', 'ip_address', 'hostname'] as $key) {
if (!empty((string)$reservation->$key)) {
$res[str_replace('_', '-', $key)] = (string)$reservation->$key;
}
}
$record['reservations'][] = $res;
}
$result[] = $record;
}
return $result;
}
public function generateConfig($target='/usr/local/etc/kea/kea-dhcp4.conf')
{
$cnf = [
'Dhcp4' => [
'valid-lifetime' => (int)$this->general->valid_lifetime->__toString(),
'interfaces-config' => [
'interfaces' => $this->getConfigPhysicalInterfaces()
],
'lease-database' => [
'type' => 'memfile',
'persist' => True
],
'control-socket' => [
'socket-type' => 'unix',
'socket-name' => '/var/run/kea4-ctrl-socket'
],
'loggers' => [
[
'name' => 'kea-dhcp4',
'output_options' => [
[
'output' => 'syslog'
]
],
'severity' => 'INFO'
]
],
'subnet4' => $this->getConfigSubnets()
]
];
if (!empty((string)(new KeaCtrlAgent())->general->enabled)) {
$cnf['Dhcp4']['hooks-libraries'] = [];
$cnf['Dhcp4']['hooks-libraries'][] = [
'library' => '/usr/local/lib/kea/hooks/libdhcp_lease_cmds.so'
];
if (!empty((string)$this->ha->enabled)) {
$record = [
'library' => '/usr/local/lib/kea/hooks/libdhcp_ha.so',
'parameters' => [
'high-availability' => [
[
'this-server-name' => $this->getConfigThisServerHostname(),
'mode' => 'hot-standby',
'heartbeat-delay' => 10000,
'max-response-delay' => 60000,
'max-ack-delay' => 5000,
'max-unacked-clients' => 5,
'sync-timeout' => 60000
]
]
]
];
foreach ($this->ha_peers->peer->iterateItems() as $peer) {
if (!isset($record['parameters']['high-availability'][0]['peers'])) {
$record['parameters']['high-availability'][0]['peers'] = [];
}
$record['parameters']['high-availability'][0]['peers'][] = array_map(
fn($x) => (string)$x,
iterator_to_array($peer->iterateItems())
);
}
$cnf['Dhcp4']['hooks-libraries'][] = $record;
}
}
File::file_put_contents($target, json_encode($cnf, JSON_PRETTY_PRINT), 0600);
}
}