94 lines
3.2 KiB
PHP
94 lines
3.2 KiB
PHP
#!/usr/bin/env php
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<?php
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/*
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Copyright (C) 2017 Jack-Benny Persson <jack-benny@cyberinfo.se>
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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 2 of the License, or
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(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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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This is a small Nagios plugin to warn for severe weather. It gets the data
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from meteoalarm.eu. The script takes the full URL of the region your are
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interested in. For example:
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./check_meteo.php www.meteoalarm.eu/en_UK/0/0/SE002-Sk%E5ne.html
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*/
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// Sanity check & help text
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if ($argc != 2)
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{
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printf("Please provide a full URL for your region\n");
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printf("Usage:\n");
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printf("$argv[0] [URL]\n\n");
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printf("Please note that you must use the english version of the site/URL\n\n");
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printf("Example:\n");
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printf("$argv[0] http://www.meteoalarm.eu/en_UK/0/0/SE038-Halland.html\n");
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exit(3);
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}
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// Get HTML-file from Meteoalarm
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$url = $argv[1];
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$ch = curl_init($url);
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curl_setopt($ch, CURLOPT_HEADER, 0);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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$data = curl_exec($ch);
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curl_close($ch);
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// Get all the warnings for the selected region
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preg_match_all('/<div class="info"><b>(.*) <\/b><span style="position\:absolute\; right\:0px\;"> Awareness Level: <b>(.*) /i', $data, $warnMatches);
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// If no warnings were found, check for the text "No special awarenes required"
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// to make sure we're actually scanning a Meteoalarm page. If we're not, print
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// an error message about it and exit with code 3 (UNKNOWN).
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if (empty($warnMatches[2]))
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{
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if(preg_match("/No special awareness required/", $data))
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{
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printf("OK - No warnings for the region\n");
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exit(0); // Code 0 = OK
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}
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else
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{
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printf("UNKNOWN - That doesn't look like a Meteolarm page, please check the URL.\n");
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printf("Make sure you are using the english version of the site.\n");
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exit(3); // Code 3 = Unknown
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}
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}
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// There is a warning of some kind...
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else
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{
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// Get the severity of the warning (orange & red = high danger,
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// yellow = low danger)
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if (preg_match("/Orange/", $data) || preg_match("/Red/", $data))
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{
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printf("CRITICAL - "); // Start the message with "CRITICAL"
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// Loop through all the warnings and print them
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foreach($warnMatches[1] as $warn)
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printf($warn . ". ");
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exit(2); // Code 2 = Critical
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}
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if (preg_match("/Yellow/", $data))
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{
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printf("WARNING - "); // Start the message with "WARNING"
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// Loop through all the warnings and print them
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foreach($warnMatches[1] as $warn)
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printf($warn . ". ");
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exit(1); // Code 1 = Warning
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}
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}
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?>
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