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https://github.com/Cacti/cacti.git
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203 lines
8.0 KiB
PHP
203 lines
8.0 KiB
PHP
#!/usr/bin/php -q
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<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2016 The Cacti Group |
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| This program is free software; you can redistribute it and/or |
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| modify it under the terms of the GNU General Public License |
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| as published by the Free Software Foundation; either version 2 |
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| of the License, or (at your option) any later version. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDTool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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| This code is designed, written, and maintained by the Cacti Group. See |
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| about.php and/or the AUTHORS file for specific developer information. |
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+-------------------------------------------------------------------------+
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| http://www.cacti.net/ |
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+-------------------------------------------------------------------------+
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*/
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/* tick use required as of PHP 4.3.0 to accomodate signal handling */
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declare(ticks = 1);
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/* we are not talking to the browser */
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$no_http_headers = true;
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/* display_help - generic help screen for utilities
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@returns - null */
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function display_help () {
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$version = db_fetch_cell('SELECT cacti FROM version');
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print 'Data Sources Statistics Poller, Version ' . $version . ', ' . COPYRIGHT_YEARS . "\n\n";
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print "usage: poller_dsstats.php [-f | --force] [-d | --debug] [-h | -H | --help] [-v | -V | --version]\n\n";
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print "-f | --force - Force the execution of a update process\n";
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print "-d | --debug - Display verbose output during execution\n";
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print "-v -V --version - Display this help message\n";
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print "-h -H --help - display this help message\n";
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}
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/* sig_handler - provides a generic means to catch exceptions to the Cacti log.
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@arg $signo - (int) the signal that was thrown by the interface.
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@returns - null */
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function sig_handler($signo) {
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switch ($signo) {
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case SIGTERM:
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case SIGINT:
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cacti_log('WARNING: DSStats Poller terminated by user', FALSE, 'dsstats');
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/* tell the main poller that we are done */
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db_execute("REPLACE INTO settings (name, value) VALUES ('dsstats_poller_status', 'terminated - end time:" . date('Y-m-d G:i:s') ."')");
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exit;
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break;
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default:
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/* ignore all other signals */
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}
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}
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/* do NOT run this script through a web browser */
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if (!isset($_SERVER['argv'][0]) || isset($_SERVER['REQUEST_METHOD']) || isset($_SERVER['REMOTE_ADDR'])) {
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die('<br><strong>This script is only meant to run at the command line.</strong>');
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}
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/* include important functions */
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include_once('./include/global.php');
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include_once($config['base_path'] . '/lib/poller.php');
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include_once($config['base_path'] . '/lib/rrd.php');
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include_once($config['base_path'] . '/lib/dsstats.php');
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/* process calling arguments */
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$parms = $_SERVER['argv'];
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array_shift($parms);
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$debug = FALSE;
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$forcerun = FALSE;
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$forcerun_maint = FALSE;
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foreach($parms as $parameter) {
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@list($arg, $value) = @explode('=', $parameter);
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switch ($arg) {
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case '-d':
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case '--debug':
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$debug = TRUE;
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break;
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case '-f':
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case '--force':
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$forcerun = TRUE;
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break;
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case '-v':
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case '--version':
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case '-V':
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case '--help':
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case '-h':
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case '-H':
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display_help();
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exit;
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default:
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print 'ERROR: Invalid Parameter ' . $parameter . "\n\n";
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display_help();
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exit;
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}
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}
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/* install signal handlers for UNIX only */
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if (function_exists('pcntl_signal')) {
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pcntl_signal(SIGTERM, 'sig_handler');
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pcntl_signal(SIGINT, 'sig_handler');
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}
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/* take time and log performance data */
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$start = microtime(true);
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/* let's give this script lot of time to run for ever */
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ini_set('max_execution_time', '0');
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dsstats_memory_limit();
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/* send a gentle message to the log and stdout */
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dsstats_debug('Polling Starting');
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/* only run if enabled, or forced */
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if ((read_config_option('dsstats_enable') == 'on') || $forcerun) {
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/* read some important settings relative to timing from the database */
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$major_time = date('H:i:s', strtotime(read_config_option('dsstats_major_update_time')));
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$daily_interval = read_config_option('dsstats_daily_interval');
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$hourly_window = date('Y-m-d H:i:s', time() - (read_config_option('dsstats_hourly_duration') * 60));
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/* check to see when the daily averages were updated last */
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$last_run_daily = read_config_option('dsstats_last_daily_run_time');
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$last_run_major = read_config_option('dsstats_last_major_run_time');
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/* remove old records from the cache first */
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if (db_fetch_cell("SELECT count(*) FROM data_source_stats_hourly_cache WHERE time < '$hourly_window'")) {
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db_execute("DELETE FROM data_source_stats_hourly_cache WHERE time < '$hourly_window'");
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}
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/* store the current averages into the hourly table */
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db_execute("INSERT INTO data_source_stats_hourly
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(local_data_id, rrd_name, average, peak)
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(SELECT local_data_id, rrd_name, AVG(`value`), MAX(`value`)
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FROM (SELECT local_data_id, rrd_name, `value` FROM data_source_stats_hourly_cache WHERE `value` IS NOT NULL) AS sally
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GROUP BY local_data_id, rrd_name)
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ON DUPLICATE KEY UPDATE average=VALUES(average), peak=VALUES(peak)");
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log_dsstats_statistics('HOURLY');
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/* see if boost is active or not */
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$boost_active = (db_fetch_cell("SELECT value FROM settings WHERE name='boost_rrd_update_enable'") == 'on');
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/* next let's see if it's time to update the daily interval */
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$current_time = time();
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if ($boost_active) {
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/* boost will spawn the collector */
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} else {
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if ($daily_interval == 'boost' || $boost_active) {
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cacti_log("WARNING: Daily update interval set to 'boost' and Boost Plugin Not Enabled, reseting to default of 1 hour", false, 'DSSTATS');
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db_execute("REPLACE INTO settings (name, value) VALUES('dsstats_daily_interval', '60')");
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$daily_interval = 60;
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}
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/* determine if it's time to determine hourly averages */
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if ($last_run_daily == '') {
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/* since the poller has never run before, let's fake it out */
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db_execute("REPLACE INTO settings (name, value) VALUES ('dsstats_last_daily_run_time', '" . date('Y-m-d G:i:s', $current_time) . "')");
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}
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/* if it's time to update daily statistics, do so now */
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if ((($last_run_daily != '') && ((strtotime($last_run_daily) + ($daily_interval * 60)) < $current_time)) || ($forcerun)) {
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/* run the daily stats */
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dsstats_get_and_store_ds_avgpeak_values('daily');
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log_dsstats_statistics('DAILY');
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db_execute("REPLACE INTO settings (name, value) VALUES ('dsstats_last_daily_run_time', '" . date('Y-m-d G:i:s', $current_time) . "')");
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}
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}
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/* lastly, let's see if it's time to run the major stats */
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if ($last_run_major == '') {
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/* since the poller has never run before, let's fake it out */
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db_execute("REPLACE INTO settings (name, value) VALUES ('dsstats_last_major_run_time', '" . date('Y-m-d G:i:s', $current_time) . "')");
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} else {
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$last_major_day = date('Y-m-d', strtotime($last_run_major));
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$next_major_day = strtotime($last_major_day . ' ' . $major_time) + 86400;
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}
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/* if its time to run major statistics, do so now */
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if ((($last_run_major != '') && ($next_major_day < $current_time)) || ($forcerun)) {
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/* run the major stats, log first to keep other processes from running */
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db_execute("REPLACE INTO settings (name, value) VALUES ('dsstats_last_major_run_time', '" . date('Y-m-d G:i:s', $current_time) . "')");
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dsstats_get_and_store_ds_avgpeak_values('weekly');
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dsstats_get_and_store_ds_avgpeak_values('monthly');
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dsstats_get_and_store_ds_avgpeak_values('yearly');
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log_dsstats_statistics('MAJOR');
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}
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}
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dsstats_debug('Polling Ending');
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