mirror of
https://github.com/librenms/librenms.git
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119 lines
3.6 KiB
PHP
Executable File
119 lines
3.6 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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/**
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* rrdstep.php
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*
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* LibreNMS Script to convert rrd files from default 300 step to user defined
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* @link https://www.librenms.org
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*
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* @copyright 2017 Neil Lathwood
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* @author Neil Lathwood <neil@lathwood.co.uk>
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*/
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use LibreNMS\Config;
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$init_modules = [];
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require realpath(__DIR__ . '/..') . '/includes/init.php';
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$options = getopt('h:');
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$hostname = $options['h'] ?: '';
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if (empty($hostname)) {
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echo "*********************************************************************\n";
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echo "We highly suggest that you back up your rrd files before running this\n";
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echo "*********************************************************************\n";
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echo "-h <hostname or device id or all> Device to process the rrd file for\n";
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echo "\n";
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exit;
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}
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if ($hostname !== 'all') {
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$hostname = ! ctype_digit($hostname) ? $hostname : gethostbyid($hostname);
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}
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if (empty($hostname)) {
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echo "Invalid hostname or device id specified\n";
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exit;
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}
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$system_step = Config::get('rrd.step', 300);
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$icmp_step = Config::get('ping_rrd_step', $system_step);
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$system_heartbeat = Config::get('rrd.heartbeat', $system_step * 2);
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$rrdtool = Config::get('rrdtool', 'rrdtool');
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$tmp_path = Config::get('temp_dir', '/tmp');
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if ($hostname === 'all') {
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$hostname = '*';
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}
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$files = glob(Rrd::dirFromHost($hostname) . '/*.rrd');
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$converted = 0;
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$skipped = 0;
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$failed = 0;
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foreach ($files as $file) {
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$random = $tmp_path . '/' . mt_rand() . '.xml';
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$rrd_file = basename($file, '.rrd');
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if ($rrd_file == 'ping-perf') {
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$step = $icmp_step;
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$heartbeat = $icmp_step * 2;
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} else {
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$step = $system_step;
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$heartbeat = $system_heartbeat;
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}
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$rrd_info = shell_exec("$rrdtool info $file");
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preg_match('/step = (\d+)/', $rrd_info, $step_matches);
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if ($step_matches[1] == $step) {
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preg_match_all('/minimal_heartbeat = (\d+)/', $rrd_info, $heartbeat_matches);
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try {
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foreach ($heartbeat_matches[1] as $ds_heartbeat) {
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if ($ds_heartbeat != $heartbeat) {
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throw new Exception("Mismatched heartbeat. {$ds_heartbeat} != $heartbeat");
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}
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}
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// all heartbeats ok
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d_echo("Skipping $file, step is already $step.\n");
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$skipped++;
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continue;
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} catch (Exception $e) {
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echo $e->getMessage() . PHP_EOL;
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}
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}
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echo "Converting $file: ";
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$command = "$rrdtool dump $file > $random &&
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sed -i 's/<step>\([0-9]*\)/<step>$step/' $random &&
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sed -i 's/<minimal_heartbeat>\([0-9]*\)/<minimal_heartbeat>$heartbeat/' $random &&
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$rrdtool restore -f $random $file &&
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rm -f $random";
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exec($command, $output, $code);
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if ($code === 0) {
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echo "[OK]\n";
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$converted++;
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} else {
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echo "\033[FAIL]\n";
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$failed++;
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}
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}
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echo "Converted: $converted Failed: $failed Skipped: $skipped\n";
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