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bdcdde06acfa7387a892babdc77a2acccc2d718e
cacti/cmd.php
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cigamit bdcdde06ac resolving bug:2719 
one issue remains, but it is related to setup.
2016-08-22 07:40:38 -05:00

754 lines
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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2016 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();
exit;
break;
default:
/* ignore all other signals */
}
}
include(dirname(__FILE__) . '/include/global.php');
include_once($config['base_path'] . '/lib/snmp.php');
include_once($config['base_path'] . '/lib/poller.php');
include_once($config['base_path'] . '/lib/rrd.php');
include_once($config['base_path'] . '/lib/ping.php');
include_once($config['library_path'] . '/variables.php');
/* let the poller server know about cmd.php being finished */
function record_cmdphp_done($pid = '') {
global $poller_id;
if ($pid == '') $pid = getmypid();
db_execute_prepared('UPDATE poller_time SET end_time=NOW() WHERE poller_id = ? AND pid = ?', array($poller_id, $pid));
}
/* let cacti processes know that a poller has started */
function record_cmdphp_started() {
global $poller_id;
db_execute_prepared("INSERT INTO poller_time
(poller_id, pid, start_time, end_time)
VALUES (?, ?, NOW(), '0000-00-00 00:00:00')", array($poller_id, getmypid()));
}
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[$host_id]) && !isset($downhosts[$host_id])) {
$sessions[$host_id] = 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[$host_id] === false) {
unset($sessions[$host_id]);
$downhosts[$host_id] = true;
}
}
}
/* display_help - displays the usage of the function */
function display_help () {
$version = db_fetch_cell('SELECT cacti FROM version');
echo "Cacti Legacy Host Data Collector, Version $version, " . COPYRIGHT_YEARS . "\n\n";
echo "usage: cmd.php [ --first=ID --last=ID ] [ --poller=ID ] [-d | --debug] [-h | --help | -v | --version]\n\n";
echo "-p | --poller - The poller to run as. Defaults to the system poller\n";
echo "-f | --first - First host id in the range to collect from\n";
echo "-l | --last - Last host id in the range to collect from\n";
echo "-m | --mibs - Refresh all system mibs from hosts supporting snmp\n";
echo "-d | --debug - Display verbose output during execution\n";
echo "-v --version - Display this help message\n";
echo "-h --help - Display this help message\n";
}
function debug($message) {
global $debug;
if ($debug) {
print("DEBUG: " . $message . "\n");
}
}
/* do NOT run this script through a web browser */
if (!isset($_SERVER['argv'][0]) || isset($_SERVER['REQUEST_METHOD']) || isset($_SERVER['REMOTE_ADDR'])) {
die('<br>This script is only meant to run at the command line.');
}
global $poller_id, $sessions, $downhosts;
$start = date('Y-m-d H:i:s'); // for runtime measurement
ini_set('max_execution_time', '0');
ini_set('memory_limit', '512M');
$no_http_headers = true;
/* process calling arguments */
$parms = $_SERVER["argv"];
array_shift($parms);
$first = NULL;
$last = NULL;
$allhost = true;
$refresh = false;
$debug = false;
$mibs = false;
$poller_id = $config['poller_id'];
if (sizeof($parms)) {
foreach($parms as $parameter) {
@list($arg, $value) = @explode('=', $parameter);
switch ($arg) {
case '--refresh':
$refresh = true;
break;
case '--version':
case '-V':
case '-H':
case '--help':
display_help();
exit(0);
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 '--debug':
case '-d':
$debug = true;
break;
default:
echo "ERROR: Invalid Argument: ($arg)\n\n";
display_help();
exit(1);
}
}
}
if ($first == NULL || $last == NULL ) {
cacti_log('FATAL: You must either a host range, or no range at all using --first=N --last=N syntax!', true, 'POLLER');
exit(-1);
}elseif (!is_numeric($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);
}else{
$exists = db_fetch_cell_prepared('SELECT COUNT(*) FROM host WHERE poller_id = ?', array($poller_id));
if (empty($exists)) {
cacti_log('FATAL: No hosts matching this poller exist on the system', true, 'POLLER');
exit(-1);
}
}
/* notify cacti processes that a poller is running */
record_cmdphp_started();
/* correct for a windows PHP bug. fixed in 5.2.0 */
if ($config['cacti_server_os'] == 'win32') {
/* check PHP versions first, we know 5.2.0 and above is fixed */
if (version_compare('5.2.0', PHP_VERSION, '>=')) {
$guess = substr(__FILE__,0,2);
if ($guess == strtoupper($guess)) {
$response = 'ERROR: The PHP Script: CMD.PHP Must be started using the full path to the file and in lower case. This is a PHP Bug!!!';
print "\n";
cacti_log($response, true, 'POLLER');
record_cmdphp_done();
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);
$host_count = sizeof($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);
$host_count = sizeof($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, $last));
}
}else{
print "ERROR: Invalid Arguments. The first argument must be less than or equal to the first.\n";
print "USAGE: CMD.PHP [[first_host] [second_host]]\n";
cacti_log('ERROR: Invalid Arguments. This rist argument must be less than or equal to the first.', false, 'POLLER');
/* record the process as having completed */
record_cmdphp_done();
exit('-1');
}
}
if ((sizeof($polling_items) > 0) && (read_config_option('poller_enabled') == 'on')) {
global $sessions, $downhosts;
$failure_type = '';
$host_down = false;
$new_host = true;
$last_host = '';
$current_host = '';
/* 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
}
$host_id = $item['host_id'];
if (($new_host) && (!empty($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'], $print_data_to_stdout);
if ($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'], $print_data_to_stdout);
}
if (!$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 ((sizeof($reindex) > 0) && (!$host_down)) {
cacti_log("Device[$host_id] RECACHE: Processing " . sizeof($reindex) . " items in the auto reindex cache for '" . $item['hostname'] . "'.", $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_DEBUG);
foreach ($reindex as $index_item) {
$assert_fail = false;
/* do the check */
switch ($index_item['action']) {
case POLLER_ACTION_SNMP: /* snmp */
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] OID: ' . $index_item['arg1'], $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_DEBUG);
open_snmp_session($host_id, $item);
if (isset($sessions[$host_id])) {
$output = cacti_snmp_session_get($sessions[$host_id], $index_item['arg1']);
}else{
$output = 'U';
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] OID: ' . $index_item['arg1'] . ', output: ' . $output, $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
break;
case POLLER_ACTION_SCRIPT: /* script (popen) */
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script: ' . $index_item['arg1'], $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_DEBUG);
$output = trim(exec_poll($index_item['arg1']));
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Warning: Result from Script not valid. Partial Result: ' . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER');
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script: ' . $index_item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
break;
case POLLER_ACTION_SCRIPT_PHP: /* script (php script server) */
if ($using_proc_function) {
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script Server: ' . $index_item['arg1'], $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_DEBUG);
$output = trim(str_replace("\n", '', exec_poll_php($index_item['arg1'], $using_proc_function, $pipes, $cactiphp)));
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] WARNING: Result from Script Server not valid. Partial Result: ' . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER');
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script Server: ' . $index_item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
}else{
cacti_log("Device[$host_id] DS[$data_source] *SKIPPING* Script Server: " . $item['arg1'] . ' (PHP < 4.3)', $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
$output = 'U';
}
break;
case POLLER_ACTION_SNMP_COUNT: /* snmp; count items */
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] OID Count: ' . $index_item['arg1'], $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_DEBUG);
open_snmp_session($host_id, $item);
if (isset($sessions[$host_id])) {
$output = cacti_snmp_session_walk($sessions[$host_id], $index_item['arg1']);
}else{
$output = 'U';
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] OID Count: ' . $index_item['arg1'] . ', output: ' . $output, $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
break;
case POLLER_ACTION_SCRIPT_COUNT: /* script (popen); count items */
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script Count: ' . $index_item['arg1'], $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_DEBUG);
/* count items found */
$script_index_array = exec_into_array($index_item['arg1']);
$output = sizeof($script_index_array);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Warning: Result from Script not valid. Partial Result: ' . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER');
}
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script Count: ' . $index_item['arg1'] . ", output: $output",$print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
break;
case POLLER_ACTION_SCRIPT_PHP_COUNT: /* script (php script server); count items */
if ($using_proc_function == true) {
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script Server Count: ' . $index_item['arg1'], $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_DEBUG);
/* fetch specified index */
$output = 'U'; # TODO compatibility until option is correctly implemented
cacti_log("Device[$host_id] DS[$data_source] *SKIPPING* Script Server Count: " . $item['arg1'] . ' (arg_num_indexes required)', $print_data_to_stdout, 'POLLER');
# TODO $output = sizeof(exec_poll_php($index_item['arg1'], $using_proc_function, $pipes, $cactiphp));
/* remove any quotes from string */
#$output = strip_quotes($output);
#if (!validate_result($output)) {
# if (strlen($output) > 20) {
# $strout = 20;
# } else {
# $strout = strlen($output);
# }
# cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] WARNING: Result from Script Server not valid. Partial Result: ' . substr($output, 0, $strout), $print_data_to_stdout);
#}
#if (read_config_option('log_verbosity') >= POLLER_VERBOSITY_MEDIUM) {
# cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] Script Server Count: ' . $index_item['arg1'] . ", output: $output", $print_data_to_stdout);
#}
}else{
cacti_log("Device[$host_id] DS[$data_source] *SKIPPING* Script Server: " . $item['arg1'] . ' (PHP < 4.3)', $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
$output = 'U';
}
break;
default: /* invalid reindex option */
cacti_log("Device[$host_id] RECACHE DQ[" . $index_item['data_query_id'] . '] 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("ASSERT: '" . $index_item['assert_value'] . '=' . trim($output) . "' failed. Recaching host '" . $item['hostname'] . "', data query #" . $index_item['data_query_id'], $print_data_to_stdout, 'POLLER');
db_execute('REPLACE INTO poller_command (poller_id, time, action, command) VALUES (0, NOW(), ' . POLLER_COMMAND_REINDEX . ", '" . $item['host_id'] . ':' . $index_item['data_query_id'] . "')");
$assert_fail = true;
}else if (($index_item['op'] == '>') && ($index_item['assert_value'] < trim($output))) {
cacti_log("ASSERT: '" . $index_item['assert_value'] . '>' . trim($output) . "' failed. Recaching host '" . $item['hostname'] . "', data query #" . $index_item['data_query_id'], $print_data_to_stdout, 'POLLER');
db_execute('REPLACE INTO poller_command (poller_id, time, action, command) VALUES (0, NOW(), ' . POLLER_COMMAND_REINDEX . ", '" . $item['host_id'] . ':' . $index_item['data_query_id'] . "')");
$assert_fail = true;
}else if (($index_item['op'] == '<') && ($index_item['assert_value'] > trim($output))) {
cacti_log("ASSERT: '" . $index_item['assert_value'] . '<' . trim($output) . "' failed. Recaching host '" . $item['hostname'] . "', data query #" . $index_item['data_query_id'], $print_data_to_stdout, 'POLLER');
db_execute('REPLACE INTO poller_command (poller_id, time, action, command) VALUES (0, NOW(), ' . POLLER_COMMAND_REINDEX . ", '" . $item['host_id'] . ':' . $index_item['data_query_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', 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])) {
$output = cacti_snmp_session_walk($sessions[$host_id], $item['arg1']);
}else{
$output = 'U';
}
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
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');
$output = 'U';
}
}
cacti_log("Device[$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', POLLER_VERBOSITY_MEDIUM);
break;
case POLLER_ACTION_SCRIPT: /* script (popen) */
$output = trim(exec_poll($item['arg1']));
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
cacti_log("Device[$host_id] DS[$data_source] WARNING: Result from CMD not valid. Partial Result: " . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER');
}
cacti_log("Device[$host_id] DS[$data_source] CMD: " . $item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
break;
case POLLER_ACTION_SCRIPT_PHP: /* script (php script server) */
if ($using_proc_function == true) {
$output = trim(str_replace("\n", '', exec_poll_php($item['arg1'], $using_proc_function, $pipes, $cactiphp)));
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
cacti_log("Device[$host_id] DS[$data_source] WARNING: Result from SERVER not valid. Partial Result: " . substr($output, 0, $strout), $print_data_to_stdout, 'POLLER');
}
cacti_log("Device[$host_id] DS[$data_source] SERVER: " . $item['arg1'] . ", output: $output", $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
}else{
cacti_log("Device[$host_id] DS[$data_source] *SKIPPING* SERVER: " . $item['arg1'] . ' (PHP < 4.3)', $print_data_to_stdout, 'POLLER', POLLER_VERBOSITY_MEDIUM);
$output = 'U';
}
break;
default: /* invalid polling option */
cacti_log("Device[$host_id] DS[$data_source] ERROR: Invalid polling option: " . $item['action'], $stdout, 'POLLER');
} /* End Switch */
if (isset($output)) {
/* insert a U in place of the actual value if the snmp agent restarts */
if (($set_spike_kill) && (!substr_count($output, ':'))) {
db_execute_prepared("INSERT INTO poller_output (local_data_id, rrd_name, time, output) VALUES (?, ?, ?,'U')", array($item['local_data_id'], $item['rrd_name'], $host_update_time));
/* otherwise, just insert the value received from the poller */
}else{
db_execute_prepared('INSERT INTO poller_output (local_data_id, rrd_name, time, output) VALUES (?, ?, ?, ?)', array($item['local_data_id'], $item['rrd_name'], $host_update_time, $output));
}
}
} /* Next Cache Item */
} /* End foreach */
if (($using_proc_function == true) && ($script_server_calls > 0)) {
// close php server process
fwrite($pipes[0], "quit\r\n");
fclose($pipes[0]);
fclose($pipes[1]);
fclose($pipes[2]);
$return_value = proc_close($cactiphp);
}
if (($print_data_to_stdout) || (read_config_option('log_verbosity') >= POLLER_VERBOSITY_MEDIUM)) {
/* 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');
}
}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();
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