*
* OpenMediaVault is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenMediaVault. If not, see <http://www.gnu.org/licenses/>.
*/
try {
require_once "openmediavault/autoloader.inc";
require_once "openmediavault/globals.inc";
require_once "openmediavault/env.inc";
require_once "openmediavault/functions.inc";
// Initialize the configuration engine.
$db =& \OMV\Config\Database::getInstance();
$xmlConfig = $db->getBackend();
// Load and initialize the RPC services that are not handled by the
// engine daemon.
$directory = build_path(DIRECTORY_SEPARATOR, $GLOBALS['OMV_DOCUMENTROOT_DIR'], "rpc");
foreach (listdir($directory, "inc") as $path) {
require_once $path;
}
$rpcServiceMngr =& \OMV\Rpc\ServiceManager::getInstance();
$rpcServiceMngr->initializeServices();
// Initialize the data models.
$modelMngr = \OMV\DataModel\Manager::getInstance();
$modelMngr->load($GLOBALS['OMV_DATAMODELS_DIR']);
$session =& \OMV\Session::getInstance();
$session->start();
$server = new OMV\Rpc\Proxy\Json();
/**
* Change the Docker daemon settings
*
* @param string $apiPort The new API port to use
* @param string $absPath Absolute path where Docker files should be moved
*
* @return void
*
*/
public static function changeDockerSettings($context, $apiPort, $absPath)
{
self::$database = Database::getInstance();
OMVModuleDockerUtil::stopDockerService();
//Do some sanity checks before making changes to running config.
//First check that there is no manual base path relocation in the file
// /etc/default/docker
$fileName = "/etc/default/docker";
$data = file_get_contents($fileName);
$lines = explode("\n", $data);
foreach ($lines as $line) {
if (strcmp($line, "### Do not change these lines. They are added and updated by the OMV Docker GUI plugin.") === 0) {
break;
} elseif (preg_match('/^[^\\#]+.*\\-g[\\s]?([^\\"]+)[\\s]?.*/', $line, $matches) && strcmp($absPath, "") !== 0) {
OMVModuleDockerUtil::startDockerService();
throw new OMVModuleDockerException("Docker " . "base path relocation detected in " . "configuration file\n" . "Please remove it manually " . "({$matches['1']})\n");
}
}
// Next get the old settings object
$oldSettings = self::$database->getAssoc(self::$dataModelPath);
// Next umount old bind mount
if (!(strcmp($oldSettings['dockermntent'], "") === 0)) {
$oldMntent = Rpc::call("FsTab", "get", ["uuid" => $oldSettings['dockermntent']], $context);
$me = new MountPoint($oldMntent['fsname'], $oldMntent['dir']);
$cmd = "mount | grep /var/lib/docker/openmediavault | wc -l";
unset($out);
$process = new Process($cmd);
$out = $process->execute();
while ($out > 0) {
$me->umount();
$cmd = "mount | grep /var/lib/docker/openmediavault | wc -l";
unset($out);
$process = new Process($cmd);
$out = $process->execute();
}
}
//First update /etc/default/docker with user provided data
$fileName = "/etc/default/docker";
$data = file_get_contents($fileName);
$lines = explode("\n", $data);
$result = "";
foreach ($lines as $line) {
if (strcmp($line, "### Do not change these lines. They are added and updated by the OMV Docker GUI plugin.") === 0) {
break;
} elseif (preg_match('/^[^\\#]+.*\\-g[\\s]?([^\\"]+)[\\s]?.*/', $line, $matches) && strcmp($absPath, "") !== 0) {
OMVModuleDockerUtil::startDockerService();
throw new OMVModuleDockerException("Docker " . "base path relocation detected in " . "configuration file\n" . "Please remove it manually " . "({$matches['1']})\n");
}
$result .= $line . "\n";
}
$result = rtrim($result);
$result .= "\n\n" . '### Do not change these lines. They are added ' . 'and updated by the OMV Docker GUI plugin.' . "\n";
$result .= 'OMVDOCKER_API="-H tcp://127.0.0.1:' . $apiPort . '"' . "\n";
if (strcmp($absPath, "") !== 0) {
$result .= 'OMVDOCKER_IMAGE_PATH="-g /var/lib/docker/openmediavault"' . "\n";
} else {
$result .= 'OMVDOCKER_IMAGE_PATH=""' . "\n";
}
$result .= '### Do not add any configuration below this line. It will be ' . 'removed when the plugin is removed';
file_put_contents("{$fileName}", $result);
//Next fix OMV config backend if the base path should be relocated
//Start by removing any old mntent entries
$mnt = Rpc::call("FsTab", "getByDir", ["dir" => '/var/lib/docker/openmediavault'], $context);
if ($mnt) {
Rpc::call("FsTab", "delete", ["uuid" => $mnt['uuid']], $context);
}
//Next generate a new mntent entry if a shared folder is specified
if (!(strcmp($absPath, "") === 0)) {
$newMntent = ["uuid" => \OMV\Environment::get("OMV_CONFIGOBJECT_NEW_UUID"), "fsname" => $absPath, "dir" => "/var/lib/docker/openmediavault", "type" => "none", "opts" => "bind,defaults", "freq" => 0, "passno" => 0];
$newMntent = Rpc::call("FsTab", "set", $newMntent, $context);
}
//Update settings object
if (strcmp($absPath, "") === 0) {
$tmpMntent = "";
} else {
$tmpMntent = $newMntent['uuid'];
}
$object = array("dockermntent" => $tmpMntent, "enabled" => $oldSettings['enabled'], "apiPort" => $oldSettings['apiPort'], "sharedfolderref" => $oldSettings['sharedfolderref']);
$config = new ConfigObject(self::$dataModelPath);
$config->setAssoc($object);
self::$database->set($config);
//Re-generate fstab entries
$cmd = "export LANG=C; omv-mkconf fstab 2>&1";
$process = new Process($cmd);
$out = $process->execute();
// Finally mount the new bind-mount entry
if (!(strcmp($absPath, "") === 0)) {
$me = new MountPoint($newMntent['fsname'], $newMntent['dir']);
$me->mount();
//Remount the bind-mount with defaults options
$cmd = "export LANG=C; mount -o remount,bind,defaults " . $newMntent['fsname'] . " " . $newMntent['dir'] . " 2>&1";
$process = new Process($cmd);
$out = $process->execute();
}
OMVModuleDockerUtil::startDockerService();
}
