includes_services.inc.php function check_service

<?php
//    TEST SCRIPT much better fix
//    $command = '/usr/lib/nagios/plugins/check_mysql -u user -p password ' ;


    // This array is used to test for valid UOM's to be used for graphing.
    // Valid values from: https://nagios-plugins.org/doc/guidelines.html#AEN200
    // Note: This array must be decend from 2 char to 1 char so that the search works correctly.
    $valid_uom = array ('us', 'ms', 'KB', 'MB', 'GB', 'TB', 'c', 's', '%', 'B');

    // Make our command safe.
//    $command = escapeshellcmd($command);

    // Run the command and return its response.
//    exec($command, $response_array, $status);

    // exec returns an array, lets implode it back to a string.
//    $response_string = implode("\n", $response_array);

$response_string = 'Uptime: 4510  Threads: 5  Questions: 5056  Slow queries: 0  Opens: 102  Flush tables: 1  Open tables: 165  Queries per second avg: 1.121|Connections01234567=0;;; Connections0123456789=1;;; Connections0123456789=2;;; Connections0123456789=3;;; Connections0123456789=4;;; Open_files=60;;; Open_tables=165;;; Qcache_free_memory=16482416;;; Qcache_hits=2600c;;; Qcache_inserts=615c;;; Qcache_lowmem_prunes=0c;;; Qcache_not_cached=201c;;; Qcache_queries_in_cache=155;;; Queries=5056c;;; Questions=5056c;;; Table_locks_waited=0c;;; Threads_connected=5;;; Threads_running=1;;; Uptime=4510c;;;';
    // Split out the response and the performance data.
    list($response, $perf) = explode("|", $response_string);

    // Split each performance metric
    $perf_arr = explode(' ', $perf);

    // Create an array for our metrics.
    $metrics = array();

echo("\n\$perf_arr\n");
print_r($perf_arr);

    // Loop through the perf string extracting our metric data
    foreach ($perf_arr as $string) {
        // Separate the DS and value: DS=value
        list ($ds,$values) = explode('=', trim($string));

        // Keep the first value, discard the others.
        list($value,,,) = explode(';', trim($values));
        $value = trim($value);

        // Set an empty uom
        $uom = '';

        // is the UOM valid - https://nagios-plugins.org/doc/guidelines.html#AEN200
        foreach ($valid_uom as $v) {
            if ((strlen($value)-strlen($v)) === strpos($value, $v)) {
                // Yes, store and strip it off the value
                $uom = $v;
                $value = substr($value, 0, -strlen($v));
                break;
            }
        }

        if ($ds != "") {
            // Normalize ds for rrd : ds-name must be 1 to 19 characters long in the characters [a-zA-Z0-9_]
            // http://oss.oetiker.ch/rrdtool/doc/rrdcreate.en.html
            $normalized_ds = preg_replace('/[^a-zA-Z0-9_]/', '', $ds);
            // if ds_name is longer than 19 characters, only use the first 19
            if (strlen($normalized_ds) > 19) {
                $normalized_ds = substr($normalized_ds, 0, 19);
                echo($ds . " exceeded 19 characters, renaming to " . $normalized_ds . "\n");
            }
            if ($ds != $normalized_ds) {
                // ds has changed. check if normalized_ds is already in the array
                if (isset($metrics[$normalized_ds])) {
                    echo($normalized_ds . " collides with an existing index\n");
                    $perf_unique = 0;
                    // Try to generate a unique name
                    for ($i = 0; $i<10; $i++) {
                        $tmp_ds_name = substr($normalized_ds, 0, 18) . $i;
                        if (!isset($metrics[$tmp_ds_name])) {
                            echo($normalized_ds . " collides with an existing index\n");
                            $normalized_ds = $tmp_ds_name;
                            $perf_unique = 1;
                            break 1;
                        }
                    }
                    if ($perf_unique == 0) {
                        // Try harder to generate a unique name
                        for ($i = 0; $i<10; $i++) {
                            for ($j = 0; $j<10; $j++) {
                                $tmp_ds_name = substr($normalized_ds, 0, 17) . $j . $i;
                                if (!isset($perf[$tmp_ds_name])) {
                                    $normalized_ds = $tmp_ds_name;
                                    $perf_unique = 1;
                                    break 2;
                                }
                            }
                        }
                    }
                    if ($perf_unique == 0) {
                        echo("could not generate a unique ds-name for " . $ds . "\n");
                    }
                }
                $ds = $normalized_ds ;
            }


            // We have a DS. Add an entry to the array.
            echo("Perf Data - DS: ".$ds.", Value: ".$value.", UOM: ".$uom."\n");
            $metrics[$ds] = array ('value'=>$value, 'uom'=>$uom);
        } else {
            // No DS. Don't add an entry to the array.
            echo("Perf Data - None.\n");
        }
    }

echo("\$metrics\n");
print_r($metrics);

    return array ($status, $response, $metrics);

?>