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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2019 The Cacti Group |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| 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. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
// tick use required as of PHP 4.3.0 to accomodate signal handling
declare(ticks = 1);
function sig_handler($signo) {
switch ($signo) {
case SIGTERM:
case SIGINT:
cacti_log('WARNING: Cacti Poller process terminated by user', true, 'POLLER');
// record the process as having completed
record_cmdphp_done();
db_close();
exit;
break;
default:
// ignore all other signals
}
}
// function to assist in logging
function debug_level($host_id, $level) {
static $debug_levels = array();
if (!isset($debug_levels[$host_id])) {
if (is_device_debug_enabled($host_id)) {
$debug_levels[$host_id] = POLLER_VERBOSITY_NONE;
return POLLER_VERBOSITY_NONE;
} else {
$debug_levels[$host_id] = $level;
return $level;
}
} else {
return $debug_levels[$host_id];
}
}
require_once(__DIR__ . '/include/cli_check.php');
require_once($config['base_path'] . '/lib/snmp.php');
require_once($config['base_path'] . '/lib/poller.php');
require_once($config['base_path'] . '/lib/rrd.php');
require_once($config['base_path'] . '/lib/ping.php');
// let the poller server know about cmd.php being finished
function record_cmdphp_done($pid = '') {
global $poller_id, $poller_db_cnn_id;
if ($pid == '') $pid = getmypid();
db_execute_prepared('UPDATE poller_time
SET end_time=NOW()
WHERE poller_id = ?
AND pid = ?',
array($poller_id, $pid), true, $poller_db_cnn_id);
}
// let cacti processes know that a poller has started
function record_cmdphp_started() {
global $poller_id, $poller_db_cnn_id;
db_execute_prepared("INSERT INTO poller_time
(poller_id, pid, start_time, end_time)
VALUES (?, ?, NOW(), '0000-00-00 00:00:00')",
array($poller_id, getmypid()), true, $poller_db_cnn_id);
}
function open_snmp_session($host_id, &$item) {
global $sessions, $downhosts;
if (!isset($item['max_oids'])) {
$item['max_oids'] = read_config_option('max_get_size');
}
if (!isset($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']]) && !isset($downhosts[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']])) {
$sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']] = cacti_snmp_session($item['hostname'], $item['snmp_community'], $item['snmp_version'],
$item['snmp_username'], $item['snmp_password'], $item['snmp_auth_protocol'], $item['snmp_priv_passphrase'],
$item['snmp_priv_protocol'], $item['snmp_context'], $item['snmp_engine_id'], $item['snmp_port'],
$item['snmp_timeout'], read_config_option('snmp_retries'), $item['max_oids']);
if ($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']] === false) {
unset($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']]);
$downhosts[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']] = true;
}
}
}
function get_max_column_width() {
$pcol_data = db_fetch_row("SHOW COLUMNS FROM poller_output WHERE Field='output'");
$bcol_data = db_fetch_row("SHOW COLUMNS FROM poller_output_boost WHERE Field='output'");
if (isset($pcol_data['Type'])) {
$pcol = $pcol_data['Type'];
$data = explode('(', $pcol);
$pmax = trim($data[1], ')');
}
if (cacti_sizeof($bcol_data)) {
$bcol = $bcol_data['Type'];
$data = explode('(', $bcol);
$bmax = trim($data[1], ')');
}
return min($pmax, $bmax);
}
function display_version() {
$version = get_cacti_version();
echo "Cacti Legacy Host Data Collector, Version $version, " . COPYRIGHT_YEARS . "\n";
}
// display_help - displays the usage of the function
function display_help () {
display_version();
echo "\nusage: cmd.php --first=ID --last=ID [--poller=ID] [--mibs] [--debug]\n\n";
echo "Cacti's legacy data collector. This data collector is called by poller.php\n";
echo "every poller interval to gather information from devices. It is recommended\n";
echo "that every system deploy spine instead of cmd.php in production due to the built\n";
echo "in scalability limits of cmd.php.\n\n";
echo "Required\n";
echo " --first - First host id in the range to collect from.\n";
echo " --last - Last host id in the range to collect from.\n\n";
echo "Optional:\n";
echo " --poller - The poller to run as. Defaults to the system poller.\n";
echo " --mode - The poller mode, either online, offline, or recovery.\n";
echo " --mibs - Refresh all system mibs from hosts supporting snmp.\n";
echo " --debug - Display verbose output during execution.\n\n";
}
function debug($message) {
global $debug;
if ($debug) {
print('DEBUG: ' . $message . "\n");
}
}
global $poller_id, $sessions, $downhosts, $remote_db_cnn_id;
ini_set('max_execution_time', '0');
ini_set('memory_limit', '-1');
$no_http_headers = true;
// process calling arguments
$parms = $_SERVER['argv'];
array_shift($parms);
$first = NULL;
$last = NULL;
$allhost = true;
$debug = false;
$mibs = false;
$mode = 'online';
$poller_id = $config['poller_id'];
$maxwidth = get_max_column_width();
if (cacti_sizeof($parms)) {
foreach($parms as $parameter) {
if (strpos($parameter, '=')) {
list($arg, $value) = explode('=', $parameter);
} else {
$arg = $parameter;
$value = '';
}
switch ($arg) {
case '--version':
case '-V':
case '-v':
display_version();
exit;
case '--help':
case '-H':
case '-h':
display_help();
exit;
case '--poller':
case '-p':
$poller_id = $value;
break;
case '--first':
case '-f':
$first = $value;
$allhost = false;
break;
case '--last':
case '-l':
$last = $value;
$allhost = false;
break;
case '--mibs':
case '-m':
$mibs = true;
break;
case '--mode':
case '-N':
$mode = $value;
break;
case '--debug':
case '-d':
$debug = true;
break;
default:
echo "ERROR: Invalid Argument: ($arg)\n\n";
display_help();
exit(1);
}
}
}
global $poller_db_cnn_id, $remote_db_cnn_id;
if ($config['poller_id'] > 1 && $config['connection'] == 'online') {
$poller_db_cnn_id = $remote_db_cnn_id;
} else {
$poller_db_cnn_id = false;
}
if ($first == NULL && $last == NULL) {
// This is valid
} elseif (!is_numeric($first) || $first < 0) {
cacti_log('FATAL: The first host in the host range is invalid!', true, 'POLLER');
exit(-1);
} elseif (!is_numeric($last) || $last < 0) {
cacti_log('FATAL: The last host in the host range is invalid!', true, 'POLLER');
exit(-1);
} elseif ($last < $first) {
cacti_log('FATAL: The first host must always be less or equal to the last host!', true, 'POLLER');
exit(-1);
}
// verify the poller_id
if (!is_numeric($poller_id) || $poller_id < 1) {
cacti_log('FATAL: The poller needs to be a positive numeric value', true, 'POLLER');
exit(-1);
}
// notify cacti processes that a poller is running
record_cmdphp_started();
$exists = db_fetch_cell_prepared('SELECT COUNT(*)
FROM host
WHERE poller_id = ?',
array($poller_id));
if (empty($exists)) {
record_cmdphp_done();
db_close();
exit(-1);
}
// install signal handlers for UNIX only
if (function_exists('pcntl_signal')) {
pcntl_signal(SIGTERM, 'sig_handler');
pcntl_signal(SIGINT, 'sig_handler');
}
// record the start time
$start = microtime(true);
// initialize the polling items
$polling_items = array();
// determine how often the poller runs from settings
$polling_interval = read_config_option('poller_interval');
// check arguments
if ($allhost) {
if (isset($polling_interval)) {
$polling_items = db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . ' *
FROM poller_item
WHERE poller_id = ?
AND rrd_next_step<=0
ORDER BY host_id',
array($poller_id));
$script_server_calls = db_fetch_cell_prepared('SELECT ' . SQL_NO_CACHE . ' count(*)
FROM poller_item
WHERE poller_id = ?
AND action IN (?, ?)
AND rrd_next_step<=0',
array($poller_id, POLLER_ACTION_SCRIPT_PHP, POLLER_ACTION_SCRIPT_PHP_COUNT));
} else {
$polling_items = db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . ' *
FROM poller_item
WHERE poller_id = ?
ORDER by host_id',
array($poller_id));
$script_server_calls = db_fetch_cell_prepared('SELECT ' . SQL_NO_CACHE . ' count(*)
FROM poller_item
WHERE poller_id = ?
AND action IN (?, ?)',
array($poller_id, POLLER_ACTION_SCRIPT_PHP, POLLER_ACTION_SCRIPT_PHP_COUNT));
}
$print_data_to_stdout = true;
// get the number of polling items from the database
$hosts = db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . ' *
FROM host
WHERE poller_id = ?
AND disabled=""
ORDER BY id',
array($poller_id));
// rework the hosts array to be searchable
$hosts = array_rekey($hosts, 'id', $host_struc);
$host_count = cacti_sizeof($hosts);
// setup next polling interval
if (isset($polling_interval)) {
db_execute_prepared('UPDATE poller_item
SET rrd_next_step = rrd_next_step - ?
WHERE poller_id = ?',
array($polling_interval, $poller_id));
db_execute_prepared('UPDATE poller_item
SET rrd_next_step = rrd_step - ?
WHERE poller_id = ?
AND rrd_next_step < 0',
array($polling_interval, $poller_id));
}
} else {
$print_data_to_stdout = false;
if ($first <= $last) {
// address potential exploits
input_validate_input_number($first);
input_validate_input_number($last);
$hosts = db_fetch_assoc_prepared("SELECT " . SQL_NO_CACHE . " *
FROM host
WHERE poller_id = ?
AND disabled = ''
AND id >= ?
AND id <= ?
ORDER by id",
array($poller_id, $first, $last));
$hosts = array_rekey($hosts, 'id', $host_struc);
$host_count = cacti_sizeof($hosts);
if (isset($polling_interval)) {
$polling_items = db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . ' *
FROM poller_item
WHERE poller_id = ?
AND host_id >= ?
AND host_id <= ?
AND rrd_next_step <= 0
ORDER by host_id',
array($poller_id, $first, $last));
$script_server_calls = db_fetch_cell_prepared('SELECT ' . SQL_NO_CACHE . ' count(*)
FROM poller_item
WHERE poller_id = ?
AND action IN(?, ?)
AND host_id >= ?
AND host_id <= ?
AND rrd_next_step <= 0',
array($poller_id, POLLER_ACTION_SCRIPT_PHP, POLLER_ACTION_SCRIPT_PHP_COUNT, $first, $last));
// setup next polling interval
db_execute_prepared('UPDATE poller_item
SET rrd_next_step = rrd_next_step - ?
WHERE poller_id = ?
AND host_id >= ?
AND host_id <= ?',
array($polling_interval, $poller_id, $first, $last));
db_execute_prepared('UPDATE poller_item
SET rrd_next_step = rrd_step - ?
WHERE poller_id = ?
AND rrd_next_step < 0
AND host_id >= ?
AND host_id <= ?',
array($polling_interval, $poller_id, $first, $last));
} else {
$polling_items = db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . ' *
FROM poller_item
WHERE poller_id = ?
AND host_id >= ? and host_id <= ?
ORDER by host_id',
array($poller_id, $first, $last));
$script_server_calls = db_fetch_cell_prepared('SELECT ' . SQL_NO_CACHE . ' count(*)
FROM poller_item
WHERE poller_id = ?
AND action IN (?, ?)
AND host_id >= ?
AND host_id <= ?',
array($poller_id, POLLER_ACTION_SCRIPT_PHP, POLLER_ACTION_SCRIPT_PHP_COUNT, $first, $last));
}
} else {
print "ERROR: Invalid Arguments. The first argument must be less than or equal to the first.\n";
print "USAGE: CMD.PHP [[first_host] [second_host]]\n";
cacti_log('ERROR: Invalid Arguments. This rist argument must be less than or equal to the first.', false, 'POLLER');
// record the process as having completed
record_cmdphp_done();
db_close();
exit('-1');
}
}
if ((cacti_sizeof($polling_items) > 0) && (read_config_option('poller_enabled') == 'on')) {
$failure_type = '';
$host_down = false;
$new_host = true;
$last_host = '';
$current_host = '';
$output_array = array();
$output_count = 0;
$error_ds = array();
$width_dses = array();
// create new ping socket for host pinging
$ping = new Net_Ping;
/* startup Cacti php polling server and include the
* include file for script processing
*/
if ($script_server_calls > 0) {
$cactides = array(
0 => array('pipe', 'r'), // stdin is a pipe that the child will read from
1 => array('pipe', 'w'), // stdout is a pipe that the child will write to
2 => array('pipe', 'w') // stderr is a pipe to write to
);
$cactiphp = proc_open(read_config_option('path_php_binary') . ' -q ' . $config['base_path'] . '/script_server.php cmd', $cactides, $pipes);
$output = fgets($pipes[1], 1024);
if (substr_count($output, 'Started') != 0) {
cacti_log('PHP Script Server Started Properly', $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_HIGH);
}
$using_proc_function = true;
} else {
$using_proc_function = false;
}
foreach ($polling_items as $item) {
$data_source = $item['local_data_id'];
$current_host = $item['host_id'];
if ($current_host != $last_host) {
$new_host = true;
// assume the host is up
$host_down = false;
// assume we don't have to spike prevent
$set_spike_kill = false;
$host_update_time = date('Y-m-d H:i:s'); // for poller update time
if ($last_host != '') {
$host_end = microtime(true);
db_execute_prepared('UPDATE host
SET polling_time = ?
WHERE id = ?',
array(($host_end - $host_start), $last_host));
if (cacti_sizeof($error_ds)) {
cacti_log('WARNING: Invalid Response(s), Errors[' . cacti_sizeof($error_ds) . '] Device[' . $last_host . '] Thread[1] DS[' . implode(', ', $error_ds) . ']', false, 'POLLER');
}
$error_ds = array();
}
$host_start = microtime(true);
}
$host_id = $item['host_id'];
if ($new_host && !empty($host_id) && isset($hosts[$host_id])) {
$ping->host = $item;
$ping->port = $hosts[$host_id]['ping_port'];
// perform the appropriate ping check of the host
if ($ping->ping($hosts[$host_id]['availability_method'], $hosts[$host_id]['ping_method'],
$hosts[$host_id]['ping_timeout'], $hosts[$host_id]['ping_retries'])) {
$host_down = false;
update_host_status(HOST_UP, $host_id, $hosts, $ping, $hosts[$host_id]['availability_method'], $print_data_to_stdout);
cacti_log("Device[$host_id] STATUS: Device '" . $item['hostname'] . "' is UP.", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_DEBUG));
if ($mibs && $hosts[$host_id]['availability_method'] != 0 && $hosts[$host_id]['availability_method'] != 3) {
update_system_mibs($host_id);
}
} else {
$host_down = true;
update_host_status(HOST_DOWN, $host_id, $hosts, $ping, $hosts[$host_id]['availability_method'], $print_data_to_stdout);
cacti_log("Device[$host_id] STATUS: Device '" . $item['hostname'] . "' is Down.", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_DEBUG));
}
if (!$host_down) {
// do the reindex check for this host
$reindex = db_fetch_assoc_prepared('SELECT ' . SQL_NO_CACHE . ' pr.data_query_id, pr.action,
pr.op, pr.assert_value, pr.arg1
FROM poller_reindex AS pr
WHERE pr.host_id=?',
array($item['host_id']));
if (cacti_sizeof($reindex) && !$host_down) {
cacti_log("Device[$host_id] RECACHE: Processing " . cacti_sizeof($reindex) . " items in the auto reindex cache for '" . $item['hostname'] . "'.", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_DEBUG));
foreach ($reindex as $index_item) {
$assert_fail = false;
// do the check
switch ($index_item['action']) {
case POLLER_ACTION_SNMP: // snmp
open_snmp_session($host_id, $item);
if (isset($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']])) {
$output = cacti_snmp_session_get($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']], $index_item['arg1']);
} else {
$output = 'U';
}
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE OID: ' . $index_item['arg1'] . ', (assert:' . $index_item['assert_value'] . ' ' . $index_item['op'] . ' output:' . $output . ')', $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
case POLLER_ACTION_SCRIPT: // script (popen)
$output = trim(exec_poll($index_item['arg1']));
if (!is_numeric($output)) {
if (prepare_validate_result($output) == false) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE Warning: Result from Script not valid. Partial Result: ' . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER');
}
}
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE CMD: ' . $index_item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
case POLLER_ACTION_SCRIPT_PHP: // script (php script server)
$output = trim(str_replace("\n", '', exec_poll_php($index_item['arg1'], $using_proc_function, $pipes, $cactiphp)));
if (!is_numeric($output)) {
if (prepare_validate_result($output) == false) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE WARNING: Result from Script Server not valid. Partial Result: ' . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER');
}
}
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE SERVER: ' . $index_item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
case POLLER_ACTION_SNMP_COUNT: // snmp; count items
open_snmp_session($host_id, $item);
if (isset($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']])) {
$output = cacti_sizeof(cacti_snmp_session_walk($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']], $index_item['arg1']));
} else {
$output = 'U';
}
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE OID COUNT: ' . $index_item['arg1'] . ', output: ' . $output, $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
case POLLER_ACTION_SCRIPT_COUNT: // script (popen); count items
// count items found
$script_index_array = exec_into_array($index_item['arg1']);
$output = cacti_sizeof($script_index_array);
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE CMD COUNT: ' . $index_item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
case POLLER_ACTION_SCRIPT_PHP_COUNT: // script (php script server); count items
$output = exec_into_array($index_item['arg1']);
$output = cacti_sizeof($output);
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE SERVER COUNT: ' . $index_item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
default: // invalid reindex option
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . '] RECACHE ERROR: Invalid reindex option: ' . $index_item['action'], $print_data_to_stdout, 'POLLER');
}
/* assert the result with the expected value in the
* db; recache if the assert fails
*/
/* TODO: remove magic ":" from poller_command["command"]; this may interfere with scripts */
if (($index_item['op'] == '=') && ($index_item['assert_value'] != trim($output))) {
cacti_log("Device[$host_id] HT[1] DQ[" . $index_item['data_query_id'] . "] RECACHE ASSERT FAILED '" . $index_item['assert_value'] . '=' . trim($output), $print_data_to_stdout, 'POLLER');
db_execute_prepared('REPLACE INTO poller_command
(poller_id, time, action, command)
VALUES (?, NOW(), ?, ?)',
array($poller_id, POLLER_COMMAND_REINDEX, $item['host_id'] . ':' . $index_item['data_query_id']), true, $poller_db_cnn_id);
$assert_fail = true;
} elseif (($index_item['op'] == '>') && ($index_item['assert_value'] < trim($output))) {
cacti_log("Device[$host_id] HT[1] DQ[" . $index_item['data_query_id'] . "] RECACHE ASSERT FAILED '" . $index_item['assert_value'] . '>' . trim($output), $print_data_to_stdout, 'POLLER');
db_execute_prepared('REPLACE INTO poller_command
(poller_id, time, action, command)
VALUES (?, NOW(), ?, ?)',
array($poller_id, POLLER_COMMAND_REINDEX, $item['host_id'] . ':' . $index_item['data_query_id']), true, $poller_db_cnn_id);
$assert_fail = true;
} elseif (($index_item['op'] == '<') && ($index_item['assert_value'] > trim($output))) {
cacti_log("Device[$host_id] DQ[" . $index_item['data_query_id'] . "] RECACHE ASSERT FAILED '" . $index_item['assert_value'] . '<' . trim($output), $print_data_to_stdout, 'POLLER');
db_execute_prepared('REPLACE INTO poller_command
(poller_id, time, action, command)
VALUES (?, NOW(), ?, ?)',
array($poller_id, POLLER_COMMAND_REINDEX, $item['host_id'] . ':' . $index_item['data_query_id']), true, $poller_db_cnn_id);
$assert_fail = true;
}
/* update 'poller_reindex' with the correct information if:
* 1) the assert fails
* 2) the OP code is > or < meaning the current value could have changed without causing
* the assert to fail */
if (($assert_fail == true) || ($index_item['op'] == '>') || ($index_item['op'] == '<')) {
db_execute_prepared('UPDATE poller_reindex
SET assert_value = ?
WHERE host_id = ?
AND data_query_id = ?
AND arg1 = ?',
array($output, $host_id, $index_item['data_query_id'], $index_item['arg1']));
// spike kill logic
if (($assert_fail) &&
(($index_item['op'] == '<') || ($index_item['arg1'] == '.1.3.6.1.2.1.1.3.0'))) {
// don't spike kill unless we are certain
if (!empty($output)) {
$set_spike_kill = true;
cacti_log("Device[$host_id] NOTICE: Spike Kill in Effect for '" . $item['hostname'] . "'.", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_DEBUG));
}
}
}
}
}
}
$new_host = false;
$last_host = $current_host;
}
if (!$host_down) {
switch ($item['action']) {
case POLLER_ACTION_SNMP: // snmp
if (($item['snmp_version'] == 0) || (($item['snmp_community'] == '') && ($item['snmp_version'] != 3))) {
cacti_log("Device[$host_id] DS[$data_source] ERROR: Invalid SNMP Data Source. Please either delete it from the database, or correct it.", $print_data_to_stdout, 'POLLER');
$output = 'U';
}else {
open_snmp_session($host_id, $item);
if (isset($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']])) {
$output = cacti_snmp_session_get($sessions[$host_id . '_' . $item['snmp_version'] . '_' . $item['snmp_port']], $item['arg1'], true);
} else {
$output = 'U';
}
if (!is_numeric($output)) {
if (prepare_validate_result($output) == false) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
$error_ds[$data_source] = $data_source;
cacti_log("Device[$host_id] DS[$data_source] WARNING: Result from SNMP not valid. Partial Result: " . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
$output = 'U';
}
}
}
cacti_log("Device[$host_id] DS[$data_source] SNMP: v" . $item['snmp_version'] . ': ' . $item['hostname'] . ', dsname: ' . $item['rrd_name'] . ', oid: ' . $item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
case POLLER_ACTION_SCRIPT: // script (popen)
$output = trim(exec_poll($item['arg1']));
if (!is_numeric($output)) {
if (prepare_validate_result($output) == false) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
$error_ds[$data_source] = $data_source;
cacti_log("Device[$host_id] DS[$data_source] WARNING: Result from CMD not valid. Partial Result: " . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
}
}
cacti_log("Device[$host_id] DS[$data_source] CMD: " . $item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
case POLLER_ACTION_SCRIPT_PHP: // script (php script server)
$output = trim(str_replace("\n", '', exec_poll_php($item['arg1'], $using_proc_function, $pipes, $cactiphp)));
if (!is_numeric($output)) {
if (prepare_validate_result($output) == false) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
$error_ds[$data_source] = $data_source;
cacti_log("Device[$host_id] DS[$data_source] WARNING: Result from SERVER not valid. Partial Result: " . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
}
}
cacti_log("Device[$host_id] DS[$data_source] SERVER: " . $item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', debug_level($host_id, POLLER_VERBOSITY_MEDIUM));
break;
default: // invalid polling option
$error_ds[$data_source] = $data_source;
cacti_log("Device[$host_id] DS[$data_source] ERROR: Invalid polling option: " . $item['action'], $stdout, 'POLLER');
} // end switch
if (isset($output)) {
if (read_config_option('poller_debug') == 'on' && strlen($output) > $maxwidth) {
$width_dses[] = $data_source;
$width_errors++;
}
// insert a U in place of the actual value if the snmp agent restarts
if (($set_spike_kill) && (!substr_count($output, ':'))) {
$output_array[] = sprintf('(%d, %s, %s, "U")', $item['local_data_id'], db_qstr($item['rrd_name']), db_qstr($host_update_time));
// otherwise, just insert the value received from the poller
} else {
$output_array[] = sprintf('(%d, %s, %s, %s)', $item['local_data_id'], db_qstr($item['rrd_name']), db_qstr($host_update_time), db_qstr($output));
}
if ($output_count > 1000) {
db_execute('INSERT IGNORE INTO poller_output
(local_data_id, rrd_name, time, output)
VALUES ' . implode(', ', $output_array), true, $poller_db_cnn_id);
if (read_config_option('boost_redirect') == 'on' && read_config_option('boost_rrd_update_enable') == 'on') {
db_execute('INSERT IGNORE INTO poller_output_boost
(local_data_id, rrd_name, time, output)
VALUES ' . implode(', ', $output_array), true, $poller_db_cnn_id);
}
$output_array = array();
$output_count = 0;
} else {
$output_count++;
}
}
}
// check for an over running poller
$now = microtime(true);
if ($now - $start > $polling_interval) {
cacti_log('WARNING: cmd.php poller over ran its polling intervale and therefore ending');
break;
}
}
// Record the last hosts polling time
$host_end = microtime(true);
db_execute_prepared('UPDATE host
SET polling_time = ?
WHERE id = ?',
array(($host_end - $host_start), $last_host));
if (cacti_sizeof($error_ds)) {
cacti_log('WARNING: Invalid Response(s), Errors[' . cacti_sizeof($error_ds) . '] Device[' . $last_host . '] Thread[1] DS[' . implode(', ', $error_ds) . ']', false, 'POLLER');
}
if (cacti_sizeof($width_dses)) {
cacti_log('WARNING: Long Responses Errors[' . cacti_sizeof($width_dses) . '] DS[' . implode(', ', $width_dses) . ']', false, 'POLLER');
}
if ($output_count > 0) {
db_execute('INSERT IGNORE INTO poller_output
(local_data_id, rrd_name, time, output)
VALUES ' . implode(', ', $output_array), true, $poller_db_cnn_id);
if (read_config_option('boost_redirect') == 'on' && read_config_option('boost_rrd_update_enable') == 'on') {
db_execute('INSERT IGNORE INTO poller_output_boost
(local_data_id, rrd_name, time, output)
VALUES ' . implode(', ', $output_array), true, $poller_db_cnn_id);
}
}
if ($using_proc_function && $script_server_calls > 0) {
// close php server process
fwrite($pipes[0], "quit\r\n");
fclose($pipes[0]);
fclose($pipes[1]);
fclose($pipes[2]);
$return_value = proc_close($cactiphp);
}
// take time and log performance data
$end = microtime(true);
cacti_log(sprintf('Time: %01.4f s, ' .
'Poller: %i, ' .
'Theads: N/A, ' .
'Devices: %s',
round($end-$start,4),
$poller_id,
$host_count), $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
} else {
cacti_log('NOTE: There are no items in your poller for this polling cycle!', true, 'POLLER', POLLER_VERBOSITY_MEDIUM);
}
// record the process as having completed
record_cmdphp_done();
// close the database connection
db_close();
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