gui/rpc/zfs.inc

   1 <?php
   2
   3 require_once("openmediavault/object.inc");
   4 require_once("openmediavault/config.inc");
   5 require_once("openmediavault/error.inc");
   6 require_once("openmediavault/util.inc");
   7 require_once("openmediavault/rpcservice.inc");
   8 require_once("openmediavault/notify.inc");
   9 require_once("zfs/Utils.php");
  10 require_once("zfs/Dataset.php");
  11 require_once("zfs/Snapshot.php");
  12 require_once("zfs/Zvol.php");
  13 require_once("zfs/Zpool.php");
  14 require_once("zfs/NotifyListener.php");
  15
  16 class OMVRpcServiceZFS extends OMVRpcServiceAbstract {
  17         public function getName() {
  18                 return "ZFS";  // RPC Service name. Same as in .js files
  19         }
  20
  21         /* Initialize the RPC service. Different methods of the RPC service are declared here*/
  22         public function initialize() {
  23                 $this->registerMethod("addPool");
  24                 $this->registerMethod("getObjectTree");
  25                 $this->registermethod("passParam");
  26                 $this->registermethod("addObject");
  27                 $this->registermethod("deleteObject");
  28                 $this->registermethod("getProperties");
  29                 $this->registermethod("setProperties");
  30                 $this->registermethod("inherit");
  31                 $this->registermethod("getSharedParams");
  32                 $this->registermethod("createShare");
  33         }
  34
  35         public function addPool($params, $context) {
  36                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
  37                 switch ($params['pooltype']) {
  38                 case "basic":
  39                         $pooltype = OMVModuleZFSVdevType::OMVMODULEZFSPLAIN;
  40                         break;
  41                 case "mirror":
  42                         $pooltype = OMVModuleZFSVdevType::OMVMODULEZFSMIRROR;
  43                         break;
  44                 case "raidz1":
  45                         $pooltype = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ1;
  46                         break;
  47                 case "raidz2":
  48                         $pooltype = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ2;
  49                         break;
  50                 case "raidz3":
  51                         $pooltype = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ3;
  52                         break;
  53                 default:
  54                         throw new OMVModuleZFSException("Incorrect pool type specified");
  55                         break;
  56                 }
  57                 //Check for user supplied options
  58                 $opts = "";
  59                 if ($params['force']) {
  60                         $opts .= "-f ";
  61                 }
  62                 if (strlen($params['mountpoint']) > 0) {
  63                         $opts .= "-m " . $params['mountpoint'] . " ";
  64                 }
  65
  66                 //Use /dev/disk/by-path as deafult when creating new pools as suggested in ZoL FAQ.
  67                 $disks = preg_split("/[,;]/", $params['devices']);
  68                 if (file_exists("/dev/disk/by-path/")) {
  69                         $tmp_disks = array();
  70                         foreach ($disks as $disk) {
  71                                 $tmp_disks[] = OMVModuleZFSUtil::getDiskPath($disk);
  72                         }
  73                         $disks = $tmp_disks;
  74                 }
  75
  76                 $vdev = new OMVModuleZFSVdev($params['name'], $pooltype, $disks);
  77                 $pool = new OMVModuleZFSZpool($vdev, $opts);
  78                 //Ugly fix to solve the problem of blkid not displaying info on newly created pools
  79                 $pool->export();
  80                 $pool->import($pool->getName());
  81         }
  82
  83         public function getObjectTree($params, $context) {
  84                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
  85                 $objects = OMVModuleZFSUtil::getZFSFlatArray();
  86                 $new = array();
  87                 foreach ($objects as $a){
  88                         $new[$a['parentid']][] = $a;
  89                 }
  90                 $tree = OMVModuleZFSUtil::createTree($new, $new['root']);
  91                 OMVModuleZFSUtil::addMissingOMVMntEnt(); //Adds missing ZFS filesystems to the OMV core
  92                 return $tree;
  93         }
  94
  95         public function passParam($params, $context) {
  96                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
  97                 //$msg = "Key=" . $params['key'] . ";Value=" . $params['value'] . ";";
  98                 //throw new OMVModuleZFSException($msg);
  99                 return array($params['key'] => $params['value']);
 100         }
 101
 102         public function addObject($params, $context) {
 103                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
 104                 switch ($params['type']) {
 105                 case "filesystem":
 106                         $name = $params['path'] . "/" . $params['name'];
 107                         $tmp = new OMVModuleZFSDataset($name);
 108                         break;
 109                 case "snapshot":
 110                         $name = $params['path'] . "@" . $params['name'];
 111                         $tmp = new OMVModuleZFSSnapshot($name);
 112                         break;
 113                 case "volume":
 114                         $name = $params['path'] . "/" . $params['name'];
 115                         $tmp = new OMVModuleZFSZvol($name);
 116                         $tmp->create($params['size']);
 117                         break;
 118                 default:
 119                         throw new OMVModuleZFSException("Illegal type provided: " . $params['type']);
 120                         break;
 121                 }
 122         }
 123
 124         public function deleteObject($params, $context) {
 125                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
 126                 switch ($params['type']) {
 127                 case "Filesystem":
 128                 case "Clone":
 129                         $name = $params['name'];
 130                         $tmp = new OMVModuleZFSDataset($name);
 131                         $tmp->destroy();
 132                         break;
 133                 case "Snapshot":
 134                         $name = $params['name'];
 135                         $tmp = new OMVModuleZFSSnapshot($name);
 136                         $tmp->destroy();
 137                         break;
 138                 case "Volume":
 139                         $name = $params['name'];
 140                         $tmp = new OMVModuleZFSZvol($name);
 141                         $tmp->destroy();
 142                         break;
 143                 case "Pool":
 144                         $name = $params['name'];
 145                         $tmp = new OMVModuleZFSZpool($name);
 146                         $tmp->destroy();
 147                         break;
 148                 default:
 149                         throw new OMVModuleZFSException("Illegal type provided: " . $params['type']);
 150                         break;
 151                 }
 152         }
 153
 154         public function getProperties($params, $context) {
 155                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
 156                 $objects = array();
 157                 $name = $params['name'];
 158                 switch ($params['type']) {
 159                 case "Filesystem":
 160                 case "Clone":
 161                         $tmp = new OMVModuleZFSDataset($name);
 162                         break;
 163                 case "Snapshot":
 164                         $tmp = new OMVModuleZFSSnapshot($name);
 165                         break;
 166                 case "Volume":
 167                         $tmp = new OMVModuleZFSZvol($name);
 168                         break;
 169                 case "Pool":
 170                         $tmp = new OMVModuleZFSZpool($name);
 171                         break;
 172                 default:
 173                         throw new OMVModuleZFSException("Illegal type provided: " . $params['type']);
 174                         break;
 175                 }
 176                 $properties = $tmp->getProperties();
 177                 foreach ($properties as $propertyk => $propertyv) {
 178                         if (!(strcmp($propertyv['source'], "-") == 0)) {
 179                                 $objects[] = array('property' => $propertyk,
 180                                         'value' => $propertyv['value'],
 181                                         'source' => $propertyv['source'],
 182                                         'modified' => "false");
 183                         }
 184                 }
 185                 return $objects;
 186         }
 187
 188         public function setProperties($params, $context) {
 189                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
 190                 $objects = array();
 191                 switch ($params['type']) {
 192                 case "Filesystem":
 193                 case "Clone":
 194                         $tmp = new OMVModuleZFSDataset($params['name']);
 195                         break;
 196                 case "Snapshot":
 197                         $tmp = new OMVModuleZFSSnapshot($params['name']);
 198                         break;
 199                 case "Volume":
 200                         $tmp = new OMVModuleZFSZvol($params['name']);
 201                         break;
 202                 case "Pool":
 203                         $tmp = new OMVModuleZFSZpool($params['name']);
 204                         break;
 205                 default:
 206                         throw new OMVModuleZFSException("Illegal type provided: " . $params['type']);
 207                         break;
 208                 }
 209                 foreach ($params['properties'] as $property) {
 210                         $objects[$property['property']] = $property['value'];
 211                 }
 212                 $tmp->setProperties($objects);
 213         }
 214
 215         public function inherit($params, $context) {
 216                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
 217                 // Create a background process.
 218                 $bgStatusFilename = $this->createBgProcStatus();
 219                 $pid = $this->fork();
 220                 if($pid > 0) { // Parent process.
 221                         $this->initializeBgProcStatus($bgStatusFilename, $pid);
 222                         return $bgStatusFilename;
 223                 }
 224                 // Child process.
 225                 try {
 226                         $bgOutputFilename = $this->createBgProcOutput();
 227                         $this->updateBgProcStatus($bgStatusFilename, "outputfilename", $bgOutputFilename);
 228                         switch ($params['type']) {
 229                         case "Filesystem":
 230                         case "Clone":
 231                                 $tmp = new OMVModuleZFSDataset($params['name']);
 232                                 break;
 233                         case "Snapshot":
 234                                 $tmp = new OMVModuleZFSSnapshot($params['name']);
 235                                 break;
 236                         case "Volume":
 237                                 $tmp = new OMVModuleZFSZvol($params['name']);
 238                                 break;
 239                         case "Pool":
 240                                 $tmp = new OMVModuleZFSZpool($params['name']);
 241                                 break;
 242                         default:
 243                                 throw new OMVModuleZFSException("Illegal type provided: " . $params['type']);
 244                                 break;
 245                         }
 246                         $tmp->inherit($params['property']);
 247                         $this->finalizeBgProcStatus($bgStatusFilename, $output);
 248                         exit(0);
 249                 } catch(Exception $e) {
 250                         $this->finalizeBgProcStatus($bgStatusFilename, "", $e);
 251                         exit(1);
 252                 }
 253         }
 254
 255         public function getSharedParams($params, $context) {
 256                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
 257                 $objects = array();
 258                 $ds = new OMVModuleZFSDataset($params['name']);
 259                 $mountpoint = $ds->getMountPoint();
 260                 return array(
 261                         "mountpoint" => $mountpoint,
 262                         "name" => $params['name'],
 263                         "type" => $params['type']);
 264         }
 265
 266         public function createShare($params, $context) {
 267                 global $xmlConfig;
 268                 $this->validateMethodContext($context, array("role" => OMV_ROLE_ADMINISTRATOR));
 269
 270                 //Get the UUID of the Pool
 271                 $poolname = OMVModuleZFSUtil::getPoolname($params['name']);
 272                 $pooluuid = OMVModuleZFSUtil::getUUIDbyName($poolname);
 273
 274                 //Get the mntent object and fetch it's uuid.
 275                 $xpath = "//system/fstab/mntent[fsname=" . $pooluuid . "]";
 276                 $mountpoint = $xmlConfig->get($xpath);
 277                 $mntentref = $mountpoint['uuid'];
 278
 279                 // Prepare the configuration object. Use the name of the shared
 280                 // folder as the relative directory name of the share.
 281                 switch ($params['type']) {
 282                 case "Filesystem":
 283                         $tmp = new OMVModuleZFSDataset($params['name']);
 284                         break;
 285                 case "Clone":
 286                         $tmp = new OMVModuleZFSDataset($params['name']);
 287                         break;
 288                 default:
 289                         throw new OMVModuleZFSException("Illegal type provided: " . $params['type']);
 290                         break;
 291                 }
 292
 293                 $uuid = OMVUtil::uuid();
 294                 $pathName = $tmp->getMountPoint();
 295                 $subdirs = preg_split('/\//',$pathName);
 296                 $reldirpath = "";
 297                 for ($i=2;$i<count($subdirs);$i++) {
 298                         $reldirpath .= $subdirs[$i] . "/";
 299                 }
 300                 $reldirpath = rtrim($reldirpath, "/");
 301                 $object = array(
 302                         "uuid" => $uuid,
 303                         "name" => $params['sharename'],
 304                         "comment" => $params['comment'],
 305                         "mntentref" => $mntentref,
 306                         "reldirpath" => $reldirpath
 307                 );
 308
 309                 // Set the configuration object.
 310                 $success = FALSE;
 311                 // Check uniqueness. The share name must be global unique because
 312                 // the name is also used when exporting a shared folder via NFS for
 313                 // example.
 314                 $xpath = sprintf("//system/shares/sharedfolder[name='%s']",
 315                         $params['name']);
 316                 if(TRUE === $xmlConfig->exists($xpath)) {
 317                         throw new OMVException(OMVErrorMsg::E_CONFIG_OBJECT_UNIQUENESS,
 318                                 gettext("A shared folder with the given name already exists"));
 319                 }
 320
 321                 // Add empty list of privileges per default.
 322                 $object['privileges'] = array();
 323
 324                 // Append object to configuration.
 325                 $success = $xmlConfig->set("//system/shares",
 326                         array("sharedfolder" => $object));
 327                 if(FALSE === $success) {
 328                         throw new OMVException(OMVErrorMsg::E_CONFIG_SET_OBJECT_FAILED);
 329                 }
 330
 331                 // Append the file mode field to the notification object if set.
 332                 // Defaults to 775.
 333                 $object['mode'] = "775";
 334                 if(array_key_exists("mode", $params)) {
 335                         $object['mode'] = $params['mode'];
 336                 }
 337
 338                 // Change group owner of directory to configured default group,
 339                 // e.g. 'users'.
 340                 if(FALSE === chgrp($pathName, $GLOBALS['OMV_USERMGMT_DEFAULT_GROUP'])) {
 341                         throw new OMVException(OMVErrorMsg::E_MISC_FAILURE,
 342                                 sprintf("Failed to set file group to '%s' for '%s'",
 343                                 $GLOBALS['OMV_USERMGMT_DEFAULT_GROUP'], $pathName));
 344                 }
 345
 346                 // Set the setgid bit. Setting this permission means that all files
 347                 // created in the folder will inherit the group of the folder rather
 348                 // than the primary group of the user who creates the file.
 349                 $mode = fileperms($pathName) | 02000;
 350                 if(FALSE === chmod($pathName, $mode)) {
 351                         throw new OMVException(OMVErrorMsg::E_MISC_FAILURE,
 352                                 sprintf("Failed to set file mode to '%o' for '%s'",
 353                                 $mode, $pathName));
 354                 }
 355
 356                 // Notify configuration changes.
 357                 $dispatcher = &OMVNotifyDispatcher::getInstance();
 358                 $dispatcher->notify(OMV_NOTIFY_CREATE,"org.openmediavault.system.shares.sharedfolder", $object);
 359                 // Return the configuration object.
 360                 return $object;
 361         }
 362
 363 }
 364
 365 // Register the RPC service.
 366 $rpcServiceMgr = &OMVRpcServiceMgr::getInstance(); // Get the "root" instance for the Services
 367 $rpcServiceMgr->registerService(new OMVRpcServiceZFS()); // Register a new instance of the RPC service described above
 368 ?>
 369