librenms-librenms/cleanup.php

#!/usr/bin/env php

<?php
### Clean up the database removing old IPs and links

include("includes/defaults.inc.php");
include("config.php");
include("includes/functions.php");

$query = "SELECT *,A.id as id FROM ipv4_addresses AS A, ports as I, devices as D
  WHERE A.interface_id = I.interface_id AND I.device_id = D.device_id AND D.status = '1'";

$data = mysql_query($query);

while ($row = mysql_fetch_array($data))
{
  $addr = Net_IPv4::parseAddress($row['ipv4_address']."/".$row['ipv4_prefixlen']);
  $mask = $addr->netmask;
  $response = explode(" ", snmp_get($row, "ipAdEntIfIndex.".$row['ipv4_address'], "-Osq"));
  $response = $response[1];
  $maskcheck = explode(" ", snmp_get($row, "ipAdEntNetMask.".$row['ipv4_address'], "-Osq"));
  $maskcheck = $maskcheck[1];

  if ($response != $row['ifIndex'] || $mask != $maskcheck)
  {
    mysql_query("delete from ipv4_address where id = '".$row['ipv4_address_id']."'");
    echo("Deleted ".$row['ipv4_address']." from $row[hostname]\n");
  }
}

$sql = "SELECT * FROM devices WHERE status = '1'";
$query = mysql_query($sql);

while ($device = mysql_fetch_array($query))
{
  echo($device['hostname'] . " \n\n");

  $oids = snmp_walk($device, "ipAddressIfIndex.ipv6", "-Osq");
  $oids = str_replace("ipAddressIfIndex.ipv6.", "", $oids);
  $oids = str_replace("\"", "", $oids);  $oids = trim($oids);

  unset($valid_ips);

  foreach (explode("\n", $oids) as $data)
  {
    $data = trim($data);
    list($ipv6addr,$ifIndex) = explode(" ", $data);
    $valid_ips[] = $ipv6addr;
  }

  $sql = "SELECT * FROM ip6addr AS A, ports AS I, devices as D WHERE A.interface_id = I.interface_id AND I.device_id = '".$device['device_id']."'";
  $data = mysql_query($sql);

  while ($row = mysql_fetch_array($data))
  {
    echo($row['ipv6_address'] . "\n");
    unset($valid);
    foreach ($valid_ips as $valid_ip)
    {
      echo($row['ipv6_address'] . " = $valid_ip ? \n");
    }
  }
}


$query = "SELECT * FROM ports AS I, devices as D WHERE I.device_id = D.device_id AND D.status = '1'";
$data = mysql_query($query);

while ($row = mysql_fetch_array($data))
{
  $index = $row['ifIndex'];

  $response = explode(" ", snmp_get($row, "ifIndex.$index", "-Osq"));
  $response = $response[1];

  if ($response != $index)
  {
    mysql_query("DELETE from ports where interface_id = '" . $row['interface_id'] . "'");
    mysql_query("DELETE from `adjacencies` WHERE `interface_id` = '" . $row['interface_id'] . "'");
    mysql_query("DELETE from `links` WHERE `local_interface_id` = '" . $row['interface_id'] . "'");
    mysql_query("DELETE from `links` WHERE `remote_interface_id` = '" . $row['interface_id'] . "'");
    mysql_query("DELETE from `ipaddr` WHERE `interface_id` = '" . $row['interface_id'] . "'");
    echo("Removed interface " . $row['ifDescr'] . " from " . $row['hostname'] . "<br />");
  }
}

echo(mysql_result(mysql_query("SELECT COUNT(*) FROM `ports`"), 0) . " ports at start\n");
$interface_query = mysql_query("SELECT interface_id,device_id FROM `ports`");

while ($interface = mysql_fetch_array($interface_query))
{
  $device_id = $interface['device_id'];
  $interface_id = $interface['interface_id'];
  if (mysql_result(mysql_query("SELECT COUNT(*) FROM `devices` WHERE `device_id` = '$device_id'"), 0) == '0')
  {
    mysql_query("delete from ports where `interface_id` = '$interface_id'");
    echo("Deleting if $interface_id \n");
  }
}

echo(mysql_result(mysql_query("SELECT COUNT(*) FROM `ports`"), 0) . " ports at end\n");

echo(mysql_result(mysql_query("SELECT COUNT(id) FROM `links`"), 0) . " links at start\n");
$link_query = mysql_query("SELECT id,local_interface_id,remote_interface_id FROM `links`");

while ($link = mysql_fetch_array($link_query))
{
  $id = $link['id'];
  $src = $link['local_interface_id'];
  $dst = $link['remote_interface_id'];
  if (mysql_result(mysql_query("SELECT COUNT(interface_id) FROM `ports` WHERE `interface_id` = '$src'"), 0) == '0' || mysql_result(mysql_query("SELECT COUNT(*) FROM `ports` WHERE `interface_id` = '$dst'"), 0) == '0')
  {
    mysql_query("delete from links where `id` = '$id'");
    echo("Deleting link $id \n");
  }
}
echo(mysql_result(mysql_query("SELECT COUNT(id) FROM `links`"), 0) . " links at end\n");

echo(mysql_result(mysql_query("SELECT COUNT(adj_id) FROM `adjacencies`"), 0) . " adjacencies at start\n");
$link_query = mysql_query("SELECT * FROM `adjacencies` AS A, `ports` AS I, `devices` AS D, networks AS N WHERE I.interface_id = A.interface_id AND D.device_id = I.device_id AND N.id = A.network_id");

while ($link = mysql_fetch_array($link_query))
{
  $id = $link['adj_id'];
  $netid = $link['network_id'];
  $ifid = $link['interface_id'];
  if (mysql_result(mysql_query("SELECT COUNT(*) FROM `ports` WHERE `interface_id` = '$ifid'"), 0) == '0' || mysql_result(mysql_query("SELECT COUNT(id) FROM `networks` WHERE `id` = '$netid'"), 0) == '0')
  {
    $remove = 1;
    echo("Removed Interface!\n");
  }

  list($network, $cidr) = explode("/", $link['cidr']);

  $checksql = "SELECT COUNT(*) FROM `ipaddr` WHERE `interface_id` = '" . $link['interface_id'] . "' AND `cidr` = '$cidr' AND `network` = '$network'";
  if (mysql_result(mysql_query($checksql),0) == 0) { $remove = 1; }

  #  echo($link['if'] . " (" . $link['interface_id'] . ") -> " . $link['cidr'] . " \n");

  if ($link['cidr'] == "") { $remove = 1; echo("Broken CIDR entry!"); }

    if ($remove)
    {
      mysql_query("delete from adjacencies where `adj_id` = '$id'");
      echo("Deleting link $id (".$link['cidr']." - ". $link['hostname'] ." - ". $link['ifDescr']  .")\n");
    }

    unset($remove);
}

echo(mysql_result(mysql_query("SELECT COUNT(adj_id) FROM `adjacencies`"), 0) . " adjacencies at end\n");

?>