#!/usr/bin/php
<?php

// CONFIG
$found = FALSE;
foreach ( array('/var/lib/sdfrance', '/home/sdfrance/www', '/var/www') as $basepath ) // add your path to the list if it's not standard
{
  if ( file_exists($basepath . '/testsdf_config.php') ) { require_once($basepath . '/testsdf_config.php'); $found = TRUE; break; }
}
if ( ! $found ) { die('could not find config !'); }



// TESTS
cron_glsa($test_glsa, $test_glsa_file);
cron_raid($test_raid, $test_raid_args);
cron_smart($test_smart, $test_smart_args, $test_smart_file);
cron_supervise($test_supervise, $test_supervise_args, $test_supervise_file);
exit(0);



// GLSA
function cron_glsa($active, $file)
{
  if ( ! $active ) { return; }

  exec('glsa-check -t all 2>&1', $output);
  if ( preg_match('/any/', implode($output)) ) { file_put_contents_verbose($file, 'GLSASDFOK'); } else { file_put_contents_verbose($file, implode($output)); }
  exec('chmod 755 ' . $file);
}


// RAID
function cron_raid($active, $test_raid_args)
{
  global $basepath;

  if ( ! $active ) { return; }

  foreach ( $test_raid_args as $raid )
  {
    if ( ! is_array($raid) ) { echo 'Error in $test_raid_args, a member is not an array' . "\n"; return; }
    exec($basepath . '/sdf-raid-' . $raid[0] . '.pl ' . $raid[1], $output);
    file_put_contents_verbose('/var/run/sdf-raid-' . $raid[0], implode($output));
  }
}


// SMART
function cron_smart($active, $smartchk, $file)
{
  if ( ! $active ) { return; }
  if ( ! is_array($smartchk) ) { file_put_contents_verbose($file, 'smartchk not array'); return; }

  foreach ($smartchk AS $smartdisk)
  {
    $success = TRUE;

    $r = exec('/usr/sbin/smartctl -A ' . $smartdisk, $output, $ret);
    if ( $ret != 0 ) { file_put_contents_verbose($file, 'smartctl failed for ' . $smartdisk); return; }

        foreach($output AS $line)
        {
            if ( preg_match('/^\s*(\d+)\s+.+\s+(\d+)\s*$/', $line, $matches) )
            {
              // was not zero on 3 different disks, so unreliable
              // if ( $matches[1] == 1 && $matches[2] != 0 )   { file_put_contents_verbose($file, 'smartctl (' . $smartdisk . ') Raw_Read_Error_Rate is not zero (' . $matches[2] . ')'); return; }
              // idem
              // if ( $matches[1] == 7 && $matches[2] != 0 )   { file_put_contents_verbose($file, 'smartctl (' . $smartdisk . ') Seek_Error_Rate is not zero (' . $matches[2] . ')'); return; }
                if ( $matches[1] == 196 && $matches[2] != 0 ) { file_put_contents_verbose($file, 'smartctl (' . $smartdisk . ') Reallocated_Event_Count is not zero (' . $matches[2] . ')'); return; }
            }
        }
    }

    file_put_contents_verbose($file, 'OK');
}


function cron_supervise($active, $test_supervise_args, $test_supervise_file)
{
  if ( ! $active ) { return; }

  // create command by concatenating all the directories
  $cmd = 'svstat';
  foreach ($test_supervise_args as $directory)
  {
    // if not directory, try prepending /services
    if ( (substr($directory,0,1)!='/') && is_dir('/service/' . $directory) ) { $directory = '/service/' . $directory; }
    // directory must exist
    if ( ! is_dir($directory) ) { file_put_contents_verbose($test_supervise_file, 'supervise failed for ' . $directory . ': not a valid directory' . "\n"); return; }
    
    $cmd .= ' \'' . $directory . '\'';
  }

  // exec command and parse results
  exec($cmd, $output);
  foreach ($test_supervise_args as $directory)
  {
    if ( (substr($directory,0,1)!='/') && is_dir('/service/' . $directory) ) { $directory = '/service/' . $directory; }

    $status = FALSE;
    foreach($output as $line)
    {
      if ( preg_match("|^$directory: up|", $line) ) { $status = TRUE; }
    }
    if ( ! $status ) { file_put_contents_verbose($test_supervise_file, 'supervise failed for ' . $directory . ': service is not up'); return; }
  }

  file_put_contents_verbose($test_supervise_file, 'OK');
}


// verbose function
function file_put_contents_verbose($file, $content)
{
  file_put_contents($file, $content);
  echo $file . ': ' . $content . "\n";
}

// fake function for legacy
function checkmounts() {}