From: hickert Date: Tue, 13 Jun 2006 06:54:32 +0000 (+0000) Subject: Added snapshot methods X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=fccd259045f26205a37a4cd9c0522a0eccbf4be5;p=gosa.git Added snapshot methods git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@3787 594d385d-05f5-0310-b6e9-bd551577e9d8 --- diff --git a/include/class_plugin.inc b/include/class_plugin.inc index d240213dc..3fca2b055 100644 --- a/include/class_plugin.inc +++ b/include/class_plugin.inc @@ -985,21 +985,221 @@ class plugin /* Create a snapshot of the current object */ - function create_snapshot($type= "snapshot", $description= "") + function create_snapshot($type= "snapshot", $description= array()) { + /* Create 2 ldap connections + one connection points to the snapshot server and + one to our basic ldap server */ $ldap= $this->config->get_ldap_link(); + $ldap->cd($this->config->current['BASE']); + $tmp = $this->config->data['MAIN']; + + /* check if there are special server configurations for snapshots */ + if(isset($tmp['SNAPSHOT_SERVER'])){ + $server = $tmp['SNAPSHOT_SERVER']; + $user = $tmp['SNAPSHOT_USER']; + $password = $tmp['SNAPSHOT_PASSWORD']; + $snapldapbase = $tmp['SNAPSHOT_LDAP_BASE']; + $ldap_to = new LDAP($user,$password, $server); + $ldap_to -> cd($snapldapbase); + show_ldap_error($ldap_to->get_error(), _("Snapshot failed.")); + }else{ + $ldap_to = $ldap; + } + + /* check if the dn exists */ + if ($ldap->dn_exists($this->dn)){ - if ($ldap->dn_exists($this->$dn)){ - $data= preg_replace('/^dn:.*\n/', '', $ldap->gen_ldif($this->dn)); - $target= array(); - $target['objectClass']= array("top", "gosaObjectSnapshot"); - $target['gosaSnapshotData']= gzcompress($data, 6); - $target['gosaSnapshotType']= $type; + /* Extract seconds & mysecs, they are used as entry index */ list($usec, $sec)= explode(" ", microtime()); - $target['gosaShapshotTimestamp']= preg_replace("/\./", "", $sec.$usec); - $target['gosaShapshotDN']= $this->dn; - print_a($target); + + /* Collect some infos */ + $base = $this->config->current['BASE']; + $snap_base = $tmp['SNAPSHOT_BASE']; + $base_of_object = dn2base($this->dn); + $new_base = preg_replace("/".normalizePreg($base)."$/","",$base_of_object).$snap_base; + + /* Create object */ + $data = preg_replace('/^dn:.*\n/', '', $ldap->gen_one_entry($this->dn)); + $newName = preg_replace("/\./", "", $sec."-".$usec); + $target= array(); + $target['objectClass'] = array("top", "gosaSnapshotObject"); + $target['gosaSnapshotData'] = gzcompress($data, 6); + $target['gosaSnapshotType'] = $type; + $target['gosaSnapshotDN'] = $this->dn; + $target['description'] = $description; + $target['gosaSnapshotTimestamp'] = $newName; + + /* Insert the new snapshot + But we have to check first, if the given gosaSnapshotTimestamp + is already used, in this case we should increment this value till there is + an unused value. */ + $new_dn = "gosaSnapshotTimestamp=".$newName.",".$new_base; + $ldap_to->cat($new_dn); + while($ldap->count()){ + $ldap_to->cat($new_dn); + $newName = preg_replace("/\./", "", $sec."-".($usec++)); + $new_dn = "gosaSnapshotTimestamp=".$newName.",".$new_base; + $target['gosaSnapshotTimestamp'] = $newName; + } + + /* Inset this new snapshot */ + $ldap_to->create_missing_trees($new_base); + $ldap_to->cd($new_dn); + $ldap_to->add($target); + show_ldap_error($ldap_to->get_error(), _("Create snapshot failed.")); + show_ldap_error($ldap->get_error(), _("Create snapshot failed.")); + } + } + + + /* Return available snapshots for the given base + */ + function Available_SnapsShots($dn,$raw = false) + { + /* Create an additional ldap object which + points to our ldap snapshot server */ + $ldap= $this->config->get_ldap_link(); + $ldap->cd($this->config->current['BASE']); + $tmp = $this->config->data['MAIN']; + + /* check if there are special server configurations for snapshots */ + if(isset($tmp['SNAPSHOT_SERVER'])){ + $server = $tmp['SNAPSHOT_SERVER']; + $user = $tmp['SNAPSHOT_USER']; + $password = $tmp['SNAPSHOT_PASSWORD']; + $snapldapbase = $tmp['SNAPSHOT_LDAP_BASE']; + $ldap_to = new LDAP($user,$password, $server); + $ldap_to -> cd ($snapldapbase); + show_ldap_error($ldap_to->get_error(), _("Snapshot failed.")); + }else{ + $ldap_to = $ldap; + } + + /* Prepare bases and some other infos */ + $base = $this->config->current['BASE']; + $snap_base = $tmp['SNAPSHOT_BASE']; + $base_of_object = dn2base($dn); + $new_base = preg_replace("/".normalizePreg($base)."$/","",$base_of_object).$snap_base; + $tmp = array(); + + /* Fetch all objects with gosaSnapshotDN=$dn */ + $ldap_to->cd($new_base); + $ldap_to->ls("(&(objectClass=gosaSnapshotObject)(gosaSnapshotDN=".$dn."))",$new_base, + array("gosaSnapshotType","gosaSnapshotTimestamp","gosaSnapshotDN","description")); + + /* Put results into a list and add description if missing */ + while($entry = $ldap->fetch()){ + if(!isset($entry['description'][0])){ + $entry['description'][0] = ""; + } + $tmp[] = $entry; } + + /* Return the raw array, or format the result */ + if($raw){ + return($tmp); + }else{ + $tmp2 = array(); + foreach($tmp as $entry){ + $tmp2[base64_encode($entry['dn'])] = $entry['description'][0]; + } + } + return($tmp2); + } + + + function getAllDeletedSnapshots($base_of_object,$raw = false) + { + + /* Create an additional ldap object which + points to our ldap snapshot server */ + $ldap= $this->config->get_ldap_link(); + $ldap->cd($this->config->current['BASE']); + $tmp = $this->config->data['MAIN']; + + /* check if there are special server configurations for snapshots */ + if(isset($tmp['SNAPSHOT_SERVER'])){ + $server = $tmp['SNAPSHOT_SERVER']; + $user = $tmp['SNAPSHOT_USER']; + $password = $tmp['SNAPSHOT_PASSWORD']; + $snapldapbase = $tmp['SNAPSHOT_LDAP_BASE']; + $ldap_to = new LDAP($user,$password, $server); + $ldap_to->cd ($snapldapbase); + show_ldap_error($ldap_to->get_error(), _("Snapshot failed.")); + }else{ + $ldap_to = $ldap; + } + + /* Prepare bases */ + $base = $this->config->current['BASE']; + $snap_base = $tmp['SNAPSHOT_BASE']; + $new_base = preg_replace("/".normalizePreg($base)."$/","",$base_of_object).$snap_base; + + /* Fetch all objects and check if they do not exist anymore */ + $ui = get_userinfo(); + $tmp = array(); + $ldap_to->cd($new_base); + $ldap_to->search("(&(objectClass=gosaSnapshotObject))",array("gosaSnapshotType","gosaSnapshotTimestamp","gosaSnapshotDN","description")); + while($entry = $ldap_to->fetch()){ + if(!isset($entry['description'][0])){ + $entry['description'][0] = ""; + } + $tmp[] = $entry; + } + + /* Check if entry still exists */ + foreach($tmp as $key => $entry){ + $ldap->cat($entry['gosaSnapshotDN'][0]); + if($ldap->count()){ + unset($tmp[$key]); + } + } + + /* Format result as requested */ + if($raw) { + return($tmp); + }else{ + $tmp2 = array(); + foreach($tmp as $key => $entry){ + $tmp2[base64_encode($entry['dn'])] = $entry['description'][0]; + } + } + return($tmp2); + } + + + /* Restore selected snapshot */ + function restore_snapshot($dn) + { + $ldap= $this->config->get_ldap_link(); + $ldap->cd($this->config->current['BASE']); + $tmp = $this->config->data['MAIN']; + + /* check if there are special server configurations for snapshots */ + if(isset($tmp['SNAPSHOT_SERVER'])){ + $server = $tmp['SNAPSHOT_SERVER']; + $user = $tmp['SNAPSHOT_USER']; + $password = $tmp['SNAPSHOT_PASSWORD']; + $snapldapbase = $tmp['SNAPSHOT_LDAP_BASE']; + $ldap_to = new LDAP($user,$password, $server); + $ldap_to->cd ($snapldapbase); + show_ldap_error($ldap_to->get_error(), _("Snapshot failed.")); + }else{ + $ldap_to = $ldap; + } + + /* Get the snapshot */ + $ldap_to->cat($dn); + $restoreObject = $ldap_to->fetch(); + + /* Prepare import string */ + $data = gzuncompress($ldap_to->get_attribute($dn,'gosaSnapshotData')); + $data = "dn: ".$restoreObject['gosaSnapshotDN'][0]."\n".$data; + + /* Import the given data */ + $ldap->import_complete_ldif($data,$err,true,true); + show_ldap_error($ldap_to->get_error().$err, _("Restore snapshot failed.")); } }