AlternC/src/diagnostic.php

313 lines
12 KiB
PHP

#!/usr/bin/php -q
<?php
/*
$Id: diagnostic.php 2014/05/19 alban Exp $
----------------------------------------------------------------------
AlternC - Web Hosting System
Copyright (C) 2002 by the AlternC Development Team.
http://alternc.org/
----------------------------------------------------------------------
Based on:
Valentin Lacambre's web hosting softwares: http://altern.org/
----------------------------------------------------------------------
LICENSE
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License (GPL)
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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.
To read the license please visit http://www.gnu.org/copyleft/gpl.html
----------------------------------------------------------------------
Original Author of file: alban
Purpose of file: Provide a diagnostic of the server state
----------------------------------------------------------------------
*/
/*
Handles diagnostics of an alternc server.
Notes
The diagnostic files are located by default in /var/lib/alternc/diagnostics
*/
//include "Console.php";
function __autoload($class_name)
{
// Contains (Namespace) => directory
static $srcPathList = array();
static $init;
// Attempts to set include path and directories once
if( is_null( $init )){
// Sets init flag
$init = true;
// Sets a contextual directory
$srcPathList["standard"] = __DIR__."/../lib";
// Updates include_path according to this list
$includePathList = explode(PATH_SEPARATOR, get_include_path());
foreach($srcPathList as $path){
if ( !in_array($path, $includePathList)){
$includePathList[] = $path;
}
}
// Reverses the path for search efficiency
$finalIncludePathList = array_reverse($includePathList);
// Sets the updated include_path
set_include_path(implode(PATH_SEPARATOR, $finalIncludePathList));
}
// Accepts old Foo_Bar namespacing
if(preg_match("/_/", $class_name)){
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
// Accepts 5.3 Foo\Bar PSR-0 namespacing
} else if(preg_match("/\\/", $class_name)){
$file_name = str_replace('\\', DIRECTORY_SEPARATOR, ltrim($class_name,'\\')) . '.php';
// Accepts non namespaced classes
} else {
$file_name = $class_name . '.php';
}
// Attempts to find file in namespace
foreach($srcPathList as $namespace => $path ){
$file_path = $path.DIRECTORY_SEPARATOR.$file_name;
if(is_file($file_path) && is_readable($file_path)){
require $file_path;
return true;
}
}
// Failed to find file
return false;
}
// ==================================================================
// ==================================================================
// Console parser configuration
// ==================================================================
// ==================================================================
$consoleParser = new Alternc_Diagnostic_Console(array(
'description' => "Handles diagnostics of an alternc server.",
'version' => '0.0.1',
));
$createCommmand = $consoleParser->addCommand('create', array('multiple'=>true,"alias"=>"c","description" => "Creates a new diagnostic"));
$createCommmand->addOption('services', array(
'short_name' => '-s',
'long_name' => '--services',
'action' => 'StoreString',
'default' => 'apache2,dns,email,system,mailman,mysql,panel,ftp',
'description' => 'Sets the services to use for diagnostics separated by comma
ex: -d apache2,dns,email',
'help_name' => 'services'
));
$createCommmand->addOption('format', array(
'short_name' => '-f',
'long_name' => '--format',
'action' => 'StoreString',
'default' => 'json',
'description' => 'Sets the format of the diagnostic file : json (default)',
'help_name' => 'format'
));
$indexCommmand = $consoleParser->addCommand('index', array('multiple'=>false,"alias"=>"i","description" => "Shows all available diagnostics"));
$compareCommmand = $consoleParser->addCommand('compare', array('multiple'=>false,"alias"=>"x","description" => "Removes one or more diagnotics"));
$compareCommmand = $consoleParser->addCommand('show', array('multiple'=>false,"alias"=>"s","description" => "Prints a diagnotic content"));
$deleteCommmand = $consoleParser->addCommand('delete', array('multiple'=>false,"alias"=>"d","description" => "Deletes diagnostic files"));
$directoryInstance = new Alternc_Diagnostic_Directory("/tmp/diagnostic");
$diagnosticManager = new Alternc_Diagnostic_Manager( array(
"directoryInstance" => $directoryInstance,
"formatInstance" => new Alternc_Diagnostic_Format_Json($directoryInstance)
));
//require_once("/usr/share/alternc/panel/class/config_nochk.php");
require_once("../bureau/class/config_nochk.php");
try {
$result = $consoleParser->parse();
if ($result->command_name){
$command_name = $result->command_name;
$command = $result->command;
}else{
throw new \Exception("Command missing, use -h to learn about available commands.");
}
if( !method_exists($diagnosticManager, $command_name)){
throw new \Exception("Invalid command : $command");
}
$diagnosticManager->$command_name($command);
} catch (\Exception $exc) {
$consoleParser->displayError($exc->getMessage());
}
/*
// Put this var to 1 if you want to enable debug prints
$admin->stop_if_jobs_locked();
$LOCK_FIL E= '/var/run/alternc/do_actions_cron.lock';
$SCRIP T= '/usr/bin/php do_actions.php';
$MY_PI D= getmypid();
$FIXPER M= '/usr/lib/alternc/fixperms.sh';
// Check if script isn't already running
if (file_exists($LOCK_FILE) !== false){
d("Lock file already exists. ");
// Check if file is in process list
$PI D= file_get_contents($LOCK_FILE);
d("My PID is $MY_PID, PID in the lock file is $PID");
if ($PID == exec("pidof $SCRIPT | tr ' ' '\n' | grep -v $MY_PID")){
// Previous cron is not finished yet, just exit
d("Previous cron is already running, we just exit and let it finish :-)");
exit(0);
}else{
// Previous cron failed!
$error_raise .= "Lock file already exists. No process with PID $PID found! Previous cron failed...\n";
d("Removing lock file and trying to process the failed action...");
// Delete the lock and continue to the next action
unlink($LOCK_FILE);
// Lock with the current script's PID
if (file_put_contents($LOCK_FILE,$MY_PID) === false){
$error_raise .= "Cannot open/write $LOCK_FILE\n";
mail_it();
exit(1);
}
// Get the action(s) that was processing when previous script failed
// (Normally, there will be at most 1 job pending... but who know?)
while($cc=$action->get_job()){
$ c= $cc[0];
$param s= unserialize($c["parameters"]);
// We can resume these types of action, so we reset the job to process it later
d("Previous job was the n°".$c["id"]." : '".$c["type"]."'");
if($c["type"] == "CREATE_FILE" && is_dir(dirname($params["file"])) || $c["type"] == "CREATE_DIR" || $c["type"] == "DELETE" || $c["type"] == "FIXDIR" || $c["type"] == "FIXFILE"){
d("Reset of the job! So it will be resumed...");
$action->reset_job($c["id"]);
}else{
// We can't resume the others types, notify the fail and finish this action
$error_raise .= "Can't resume the job n°".$c["id"]." action '".$c["type"]."', finishing it with a fail status.\n";
if(!$action->finish($c["id"],"Fail: Previous script crashed while processing this action, cannot resume it.")){
$error_raise .= "Cannot finish the action! Error while inserting the error value in the DB for action n°".$c["id"]." : action '".$c["type"]."'\n";
break; // Else we go into an infinite loop... AAAAHHHHHH
}
}
}
}
}else{
// Lock with the current script's PID
if (file_put_contents($LOCK_FILE,$MY_PID) === false){
$error_raise .= "Cannot open/write $LOCK_FILE\n";
mail_it();
exit(1);
}
}
//We get the next action to do
while ($rr=$action->get_action()){
$ r= $rr[0];
$retur n= "OK";
// Do we have to do this action with a specific user?
if($r["user"] != "root")
$S U= "su ".$r["user"]." 2>&1 ;";
else
$S U= "";
unset($output);
// We lock the action
d("-----------\nBeginning action n°".$r["id"]);
$action->begin($r["id"]);
// We process it
$param s= @unserialize($r["parameters"]);
// We exec with the specified user
d("Executing action '".$r["type"]."' with user '".$r["user"]."'");
switch ($r["type"]){
case "FIX_USER" :
// Create the directory and make parent directories as needed
@exec("$FIXPERM -u ".$params["uid"]." 2>&1", $trash, $code);
break;
case "CREATE_FILE" :
if(!file_exists($params["file"]))
@exec("$SU touch ".$params["file"]." 2>&1 ; echo '".$params["content"]."' > '".$params["file"]."' 2>&1", $output);
else
$outpu t= array("Fail: file already exists");
break;
case "CREATE_DIR" :
// Create the directory and make parent directories as needed
@exec("$SU mkdir -p ".$params["dir"]." 2>&1",$output);
break;
case "DELETE" :
// Delete file/directory and its contents recursively
@exec("$SU rm -rf ".$params["dir"]." 2>&1", $output);
break;
case "MOVE" :
// If destination dir does not exists, create it
if(!is_dir($params["dst"]))
@exec("$SU mkdir -p ".$params["dst"]." 2>&1",$output);
if(!isset($output[0]))
@exec("$SU mv -f ".$params["src"]." ".$params["dst"]." 2>&1", $output);
break;
case "FIXDIR" :
@exec("$FIXPERM -d ".$params["dir"]." 2>&1", $trash, $code);
if($code!=0)
$output[0]="Fixperms.sh failed, returned error code : $code";
break;
case "FIXFILE" :
@exec("$FIXPERM -f ".$params["file"]." 2>&1", $trash, $code);
if($code!=0)
$output[0]="Fixperms.sh failed, returned error code : $code";
break;
default :
$outpu t= array("Fail: Sorry dude, i do not know this type of action");
break;
}
// Get the error (if exists).
if(isset($output[0])){
$retur n= $output[0];
$error_raise .= "Action n°".$r["id"]." '".$r["type"]."' failed! With user: ".$r["user"]."\nHere is the complete output:\n".print_r($output);
}
// We finished the action, notify the DB.
d("Finishing... return value is : $return\n");
if(!$action->finish($r["id"],addslashes($return))){
$error_raise .= "Cannot finish the action! Error while inserting the error value in the DB for action n°".$c["id"]." : action '".$c["type"]."'\nReturn value: ".addslashes($return)."\n";
break; // Else we go into an infinite loop... AAAAHHHHHH
}
}
// If something have failed, notify it to the admin
if($error_raise !== '')
mail_it();
// Unlock the script
unlink($LOCK_FILE);
// Exit this script
exit(0);
?>
*/