plugins/admin/fai/class_faiPartitionTable.inc

   1 <?php
   2
   3 class faiPartitionTable extends plugin
   4 {
   5   /* CLI vars */
   6   var $cli_summary= "Manage server basic objects";
   7   var $cli_description= "Some longer text\nfor help";
   8   var $cli_parameters= array("eins" => "Eins ist toll", "zwei" => "Zwei ist noch besser");
   9
  10   /* attribute list for save action */
  11   var $ignore_account   = TRUE;
  12   var $attributes       = array("cn","description");
  13   var $objectclasses    = array("top","FAIclass","FAIpartitionTable");
  14
  15   /* Specific attributes */
  16   var $cn               = "";       // The class name for this object
  17   var $description      = "";       // The description for this set of partitions
  18   var $disks            = array();  // All defined Disks
  19   var $is_dialog        = false;    // specifies which buttons will be shown to save or abort
  20   var $dialog           = NULL;     // a dialog, e.g. new disk dialog
  21
  22   function faiPartitionTable ($config, $dn= NULL)
  23   {
  24     /* Load Attributes */
  25     plugin::plugin ($config, $dn);
  26
  27     /* If "dn==new" we try to create a new entry
  28      * Else we must read all objects from ldap which belong to this entry.
  29      * First read disks from ldap ... and then the partition definitions for the disks.
  30      */
  31     if($dn != "new"){
  32       $this->dn =$dn;
  33
  34       /* Read all disks from ldap taht are defined fot this partition table
  35        */
  36       $ldap = $this->config->get_ldap_link();
  37       $ldap->cd ($this->dn);
  38       $ldap->search("(&(objectClass=FAIclass)(objectClass=FAIpartitionDisk))",array("*"));
  39       while($object = $ldap->fetch()){
  40         $this->disks[$object['cn'][0]]['status']      = "edited";
  41         $this->disks[$object['cn'][0]]['dn']          = $object['dn'];
  42         $this->disks[$object['cn'][0]]['cn']          = $object['cn'][0];
  43         if(isset($object['description'][0])){
  44           $this->disks[$object['cn'][0]]['description'] = $object['description'][0];
  45         }else{
  46           $this->disks[$object['cn'][0]]['description'] = "";
  47         }
  48         $this->disks[$object['cn'][0]]['partitions']   = array();
  49       }
  50
  51       /* read all partitions for each disk
  52        */
  53       foreach($this->disks as $name => $disk){
  54         $ldap->cd ($disk['dn']);
  55         $ldap->search("(&(objectClass=FAIclass)(objectClass=FAIpartitionEntry))",array("*"));
  56         while($partition = $ldap->fetch()){
  57
  58           /* remove count ... from ldap result
  59            */
  60           foreach($partition as $key=>$val){
  61             if((is_numeric($key))||($key=="count")||($key=="dn")){
  62               unset($partition[$key]);
  63             }else{
  64               $partition[$key] = $val[0];
  65             }
  66           }
  67
  68           /* Append fetched partitions
  69            */
  70           $partition['status']="edited";
  71           $this->disks[$name]['partitions'][$partition['FAIpartitionNr']] = $partition;
  72         }
  73       }
  74     }
  75   }
  76
  77   function execute()
  78   {
  79     /* Fill templating stuff */
  80     $smarty= get_smarty();
  81     $display= "";
  82
  83     /* Add Disk to this Partitionset
  84      * This code adds a new HDD to the disks
  85      * A new Dialog will be opened
  86      */
  87     if(isset($_POST['AddDisk'])){
  88       $usedDiskNames =array();
  89       foreach($this->disks as $key=>$disk){
  90         $usedDiskNames[]= $key;
  91       }
  92       $this->dialog = new faiPartitionTableEntry($this->config,$this->dn,$usedDiskNames);
  93       $this->is_dialog = true;
  94     }
  95
  96     /* Edit disk.
  97      * Open dialog which allows us to edit the selected entry
  98      */
  99     if((isset($_POST['EditDisk']))&&(isset($_POST['disks']))){
 100       $usedDiskNames =array();
 101       foreach($this->disks  as $key=>$disk){
 102         if($key != $_POST['disks']){
 103           $usedDiskNames[]= $key;
 104         }
 105       }
 106       $this->dialog = new faiPartitionTableEntry($this->config,$this->dn,$usedDiskNames,$this->disks[$_POST['disks']]);
 107       $this->is_dialog = true;
 108     }
 109
 110     /* Edit aborted, close dialog, without saving anything
 111      */
 112     if(isset($_POST['CancelDisk'])){
 113       unset($this->dialog);
 114       $this->dialog = NULL;
 115       $this->is_dialog=false;
 116     }
 117
 118     /* Dialog saved
 119      * Save given data from Dialog, if no error is occured
 120      */
 121     if(isset($_POST['SaveDisk'])){
 122       $this->dialog->save_object();
 123       if(count($this->dialog->check())){
 124         foreach($this->dialog->check() as $msg){
 125           print_red($msg);
 126         }
 127       }else{
 128         $disk = $this->dialog->save();
 129         if(isset($disk['rename'])){
 130           if($this->disks[$disk['rename']['from']]['status']=="edited"){
 131             $this->disks[$disk['rename']['from']]['status']="delete";
 132           }else{
 133             unset($this->disks[$disk['rename']['from']]);
 134           }
 135
 136           foreach($disk['partitions'] as $key => $val){
 137             if($disk['partitions'][$key]['status']!="delete"){
 138               $disk['partitions'][$key]['status']= "new";
 139             }
 140           }
 141
 142           $disk['status']="new";
 143           $disk['cn']= $disk['rename']['to'];
 144         }
 145
 146         $this->disks[$disk['cn']]=$disk;
 147         unset($this->dialog);
 148         $this->dialog = NULL;
 149         $this->is_dialog=false;
 150       }
 151     }
 152
 153     /* Delete selected disk drive from list
 154      * Assign delete status for all its partitions
 155      */
 156     if((isset($_POST['DelDisk']))&&(!empty($_POST['disks']))){
 157       $disk = $_POST['disks'];
 158       if($this->disks[$disk]['status']=="edited"){
 159         $this->disks[$disk."-delete"]=$this->disks[$disk];
 160         unset($this->disks[$disk]);
 161         $disk = $disk."-delete";
 162         $this->disks[$disk]['status']="delete";
 163         foreach($this->disks[$disk]['partitions'] as $name => $value ){
 164           if($value['status']=="edited"){
 165             $this->disks[$disk]['partitions'][$name]['status']="delete";
 166           }else{
 167             unset($this->disks[$disk]['partitions'][$name]);
 168           }
 169         }
 170       }else{
 171         unset($this->disks[$disk]);
 172       }
 173     }
 174
 175     /* Display dialog if one is defined
 176      */
 177     if(isset($this->dialog)){
 178       $this->dialog->save_object();
 179       return($this->dialog->execute());
 180     }
 181
 182     /* Assign all attributes to smarty engine
 183      */
 184     foreach($this->attributes as $attrs){
 185       $smarty->assign($attrs,$this->$attrs);
 186       if($this->$attrs){
 187         $smarty->assign($attrs."CHK"," ");
 188       }else{
 189         $smarty->assign($attrs."CHK"," disabled ");
 190       }
 191     }
 192
 193     $disks = $this->getDisks();
 194     $smarty->assign("disks"   ,$disks);
 195     $smarty->assign("diskKeys",array_flip($disks));
 196     $display.= $smarty->fetch(get_template_path('faiPartitionTable.tpl', TRUE));
 197     return($display);
 198   }
 199
 200   function getDisks(){
 201     /* Return all available disks for this partition table
 202      * Return in listBox friendly array
 203      */
 204     $a_return = array();
 205     foreach($this->disks as $key => $disk){
 206       if($disk['status'] != "delete"){
 207         $cnt=0;
 208         foreach($disk['partitions'] as $val){
 209           if($val['status']!="delete"){
 210             $cnt ++;
 211           }
 212         }
 213         if(!empty($disk['description'])){
 214           $a_return[$key]=  $disk['cn']." [".$disk['description']."], ".sprintf(_("%s partition(s)"), $cnt);
 215         }else{
 216           $a_return[$key]=  $disk['cn'].", ".sprintf(_("%s partition(s)"), $cnt);
 217         }
 218       }
 219     }
 220     return($a_return);
 221   }
 222
 223
 224   /* Delete me, and all my subtrees
 225    */
 226   function remove_from_parent()
 227   {
 228     $ldap = $this->config->get_ldap_link();
 229     $ldap->cd ($this->dn);
 230     $ldap->rmdir_recursive($this->dn);
 231     $this->handle_post_events("remove");
 232
 233     /* This cannot be removed... */
 234   }
 235
 236
 237   /* Save data to object
 238    */
 239   function save_object()
 240   {
 241     plugin::save_object();
 242     foreach($this->attributes as $attrs){
 243       if(isset($_POST[$attrs])){
 244         $this->$attrs = $_POST[$attrs];
 245       }
 246     }
 247   }
 248
 249
 250   /* Check supplied data */
 251   function check()
 252   {
 253
 254     $message= array();
 255
 256     if((empty($this->cn))||(preg_match("/[^a-z0-9]/i",$this->cn))){
 257       $message[]=_("Please enter a valid name.");
 258     }
 259
 260     return ($message);
 261   }
 262
 263
 264   /* Save to LDAP */
 265   function save()
 266   {
 267
 268     plugin::save();
 269     /* Save current settings.
 270      * 1 : We must save the partition table, with its description and cn
 271      * 2 : Append Disk with cn and  description.
 272      * 3 : Save partitions for each disk
 273      */
 274
 275     $ldap = $this->config->get_ldap_link();
 276
 277     if($this->new){
 278       $ldap->cd($this->config->current['BASE']);
 279       $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
 280       $ldap->cd($this->dn);
 281       $ldap->add($this->attrs);
 282       show_ldap_error($ldap->get_error());
 283     }else{
 284       /* Add partition table to ldap
 285        */
 286       $ldap->cd($this->dn);
 287       $ldap->modify($this->attrs);
 288       show_ldap_error($ldap->get_error());
 289     }
 290
 291
 292     /* Sort entries, because we must delete entries with status="delete" first */
 293     $order = array();
 294     foreach($this->disks as $key => $disk){
 295       if($disk['status'] == "delete"){
 296         $order[$key] = $disk;
 297       }
 298     }
 299     foreach($this->disks as $key => $disk){
 300       if($disk['status'] != "delete"){
 301         $order[$key] = $disk;
 302       }
 303     }
 304
 305     /* Append all disks to ldap */
 306     foreach($order as $cn=>$disk){
 307       $disk_dn                    = "cn=".$disk['cn'].",".$this->dn;
 308       $disk_attrs['cn']           =  $disk['cn'];
 309       $disk_attrs['description']  =  $disk['description'];
 310       $disk_attrs['objectClass']  =  array("top","FAIclass","FAIpartitionDisk");
 311
 312       if($disk['status']=="new"){
 313         $ldap->cat($disk_dn);
 314         if($ldap->count()){
 315           $disk['status']="edited";
 316         }
 317       }
 318
 319       if($disk['status'] == "delete"){
 320         $ldap->cd($disk_dn);
 321         $ldap->rmdir_recursive($disk_dn);
 322       }elseif($disk['status']== "edited"){
 323         if(empty($disk_attrs['description'])){
 324           $disk_attrs['description']=array();
 325         }
 326         $ldap->cd($disk_dn);
 327         $ldap->modify($disk_attrs);
 328       }elseif($disk['status']== "new"){
 329         if(empty($disk_attrs['description'])){
 330           unset($disk_attrs['description']);
 331         }
 332         $ldap->cd($this->config->current['BASE']);
 333         $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $disk_dn));
 334         $ldap->cd($disk_dn);
 335         $ldap->add($disk_attrs);
 336       }else{
 337         print_red("unknown status while saving disks");
 338       }
 339
 340       show_ldap_error($ldap->get_error());
 341       if($disk['status']!="delete")
 342       /* Add all partitions */
 343       foreach($disk['partitions'] as $key => $partition){
 344         $partition_attrs = array();
 345
 346         foreach($partition as $key => $value){
 347           if(!empty($value)){
 348             $partition_attrs[$key]=$value;
 349           }else{
 350             unset($partition_attrs[$key]);
 351           }
 352         }
 353
 354         $partition_dn= "FAIpartitionNr=".$partition_attrs['FAIpartitionNr'].",".$disk_dn;
 355         $partition_attrs['objectClass']= array("top","FAIclass","FAIpartitionEntry");
 356         $partition_attrs['cn']= $partition_attrs['FAIpartitionNr'];
 357
 358         unset($partition_attrs['status']);
 359         unset($partition_attrs['old_cn']);
 360
 361         if($partition['status']=="new"){
 362           $ldap->cat($partition_dn);
 363           if($ldap->count()){
 364             $partition['status']="edited";
 365           }
 366         }
 367
 368         if((!isset($partition['FAImountPoint']))||(empty($partition['FAImountPoint']))){
 369           $partition_attrs['FAImountPoint']="swap";
 370         }
 371
 372         if(($partition['status'] == "delete")&&($disk['status']!="new")){
 373           $ldap->cd($partition_dn);
 374           $ldap->rmdir_recursive($partition_dn);
 375         }elseif($partition['status'] == "new"){
 376           if(empty($partition_attrs['description'])){
 377             unset($partition_attrs['description']);
 378           }
 379           $ldap->cd($this->config->current['BASE']);
 380           $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $partition_dn));
 381           $ldap->cd($partition_dn);
 382           $ldap->add($partition_attrs);
 383         }elseif($partition['status'] == "edited"){
 384           if(empty($partition_attrs['description'])){
 385             $partition_attrs['description']=array();
 386           }
 387           $ldap->cd($partition_dn);
 388           $ldap->modify($partition_attrs);
 389         }
 390       show_ldap_error($ldap->get_error());
 391       }
 392     }
 393     $this->handle_post_events("add");
 394   }
 395 }
 396
 397 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 398 ?>