<?php
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/*
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Copyright (c) 2011-2012, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class openvz_plugin {
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var $plugin_name = 'openvz_plugin';
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var $class_name = 'openvz_plugin';
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//* This function is called during ispconfig installation to determine
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// if a symlink shall be created for this plugin.
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function onInstall() {
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global $conf;
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//* this is only true on openvz host servers, not in openvz guests
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if(@file_exists('/proc/vz/version')) {
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return true;
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} else {
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return false;
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}
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}
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/*
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This function is called when the plugin is loaded
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*/
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function onLoad() {
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global $app;
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/*
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Register for the events
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*/
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//* Virtual machine
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$app->plugins->registerEvent('openvz_vm_insert', $this->plugin_name, 'vm_insert');
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$app->plugins->registerEvent('openvz_vm_update', $this->plugin_name, 'vm_update');
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$app->plugins->registerEvent('openvz_vm_delete', $this->plugin_name, 'vm_delete');
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//* Register for actions
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$app->plugins->registerAction('openvz_start_vm', $this->plugin_name, 'actions');
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$app->plugins->registerAction('openvz_stop_vm', $this->plugin_name, 'actions');
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$app->plugins->registerAction('openvz_restart_vm', $this->plugin_name, 'actions');
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$app->plugins->registerAction('openvz_create_ostpl', $this->plugin_name, 'actions');
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}
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function vm_insert($event_name, $data) {
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global $app, $conf;
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$veid = intval($data['new']['veid']);
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if($veid == 0) {
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$app->log("VEID = 0, we stop here.", LOGLEVEL_WARN);
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return;
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}
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$tmp = $app->db->queryOneRecord("SELECT template_file FROM openvz_ostemplate WHERE ostemplate_id = ".$data['new']['ostemplate_id']);
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$ostemplate = escapeshellcmd($tmp['template_file']);
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unset($tmp);
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//* Create the virtual machine
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exec("vzctl create $veid --ostemplate $ostemplate");
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$app->log("Create OpenVZ VM: vzctl create $veid --ostemplate $ostemplate", LOGLEVEL_DEBUG);
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//* Write the configuration of the VM
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file_put_contents('/etc/vz/conf/'.$veid.'.conf', $data['new']['config']);
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//* Start the VM
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if($data['new']['active'] == 'y') {
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exec("vzctl start $veid");
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$app->log("Starting OpenVZ VM: vzctl start $veid", LOGLEVEL_DEBUG);
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}
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//* Set the root password in the virtual machine
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exec("vzctl set $veid --userpasswd root:".escapeshellcmd($data['new']['vm_password']));
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}
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function vm_update($event_name, $data) {
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global $app, $conf;
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$veid = intval($data['new']['veid']);
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if($veid == 0) {
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$app->log("VEID = 0, we stop here.", LOGLEVEL_WARN);
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return;
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}
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//* Write the configuration of the VM
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file_put_contents('/etc/vz/conf/'.$veid.'.conf', $data['new']['config']);
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$app->log("Writing new configuration for $veid", LOGLEVEL_DEBUG);
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//* Apply config changes to the VM
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if($data['new']['active'] == 'y' && $data['old']['active'] == 'y') {
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exec("vzctl restart $veid");
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$app->log("Restarting OpenVZ VM: vzctl restart $veid", LOGLEVEL_DEBUG);
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} elseif ($data['new']['active'] == 'y' && $data['old']['active'] == 'n') {
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exec("vzctl start $veid");
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$app->log("Starting OpenVZ VM: vzctl start $veid", LOGLEVEL_DEBUG);
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} elseif ($data['new']['active'] == 'n' && $data['old']['active'] == 'y') {
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exec("vzctl stop $veid");
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$app->log("Stopping OpenVZ VM: vzctl stop $veid", LOGLEVEL_DEBUG);
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}
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//* Set the root password in the virtual machine
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if($data['new']['vm_password'] != $data['old']['vm_password']) {
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exec("vzctl set $veid --userpasswd root:".escapeshellcmd($data['new']['vm_password']));
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}
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}
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function vm_delete($event_name, $data) {
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global $app, $conf;
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$veid = intval($data['old']['veid']);
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if($veid == 0) {
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$app->log("VEID = 0, we stop here.", LOGLEVEL_WARN);
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return;
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}
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exec("vzctl stop $veid");
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exec("vzctl destroy $veid");
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$app->log("Destroying OpenVZ VM: vzctl destroy $veid", LOGLEVEL_DEBUG);
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}
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function actions($action_name, $data) {
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global $app, $conf;
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if ($action_name == 'openvz_start_vm') {
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$veid = intval($data);
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if($veid > 0) {
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exec("vzctl start $veid");
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$app->log("Start VM: vzctl start $veid", LOGLEVEL_DEBUG);
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}
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return 'ok';
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}
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if ($action_name == 'openvz_stop_vm') {
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$veid = intval($data);
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if($veid > 0) {
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exec("vzctl stop $veid");
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$app->log("Stop VM: vzctl stop $veid", LOGLEVEL_DEBUG);
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}
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return 'ok';
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}
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if ($action_name == 'openvz_restart_vm') {
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$veid = intval($data);
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if($veid > 0) {
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exec("vzctl restart $veid");
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$app->log("Restart VM: vzctl restart $veid", LOGLEVEL_DEBUG);
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}
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return 'ok';
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}
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if ($action_name == 'openvz_create_ostpl') {
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$parts = explode(':', $data);
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$veid = intval($parts[0]);
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$template_cache_dir = '/vz/template/cache/';
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$template_name = escapeshellcmd($parts[1]);
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if($veid > 0 && $template_name != '' && is_dir($template_cache_dir)) {
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$command = "vzdump --suspend --compress --stdexcludes --dumpdir $template_cache_dir $veid";
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exec($command);
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exec("mv ".$template_cache_dir."vzdump-openvz-".$veid."*.tgz ".$template_cache_dir.$template_name.".tar.gz");
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exec("rm -f ".$template_cache_dir."vzdump-openvz-".$veid."*.log");
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}
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$app->log("Created OpenVZ OStemplate $template_name from VM $veid", LOGLEVEL_DEBUG);
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return 'ok';
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}
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}
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} // end class
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?>
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