mirror of
https://github.com/opinkerfi/nagios-plugins.git
synced 2024-12-22 09:03:54 +01:00
91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
#!/usr/bin/python
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# Copyright 2013, Tomas Edwardsson
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#
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# This script 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 script 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 <http://www.gnu.org/licenses/>.
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from pynag.Plugins import PluginHelper, critical, warning, ok
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import requests
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import time
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import signal
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class TimeoutException(Exception):
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pass
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def signal_alarm(signo, frame):
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raise TimeoutException()
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def main():
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plugin = PluginHelper()
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plugin.parser.add_option('-u', help="http uris", dest="uri", action="append")
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plugin.parse_arguments()
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if not plugin.options.uri:
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plugin.parser.error("-u (uri) argument is required")
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start_time = time.time()
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# Assign timeout handler
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signal.signal(signal.SIGALRM, signal_alarm)
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success = 0
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failed = 0
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for uri in plugin.options.uri:
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if not uri: continue
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webstate, status = check_website(uri)
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if webstate:
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success += 1
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plugin.add_long_output("%s fetched in %s seconds" % (uri, status))
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plugin.add_metric(uri, status, uom="s")
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else:
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failed += 1
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plugin.add_long_output("%s failed, %s" % (uri, status))
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plugin.add_summary("Checked %i uris, %i failed" % ((failed + success), failed))
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plugin.status(ok)
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plugin.add_metric("failed", failed)
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plugin.add_metric("failed_percentage", (100 * failed / float(failed + success)), uom="%")
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plugin.add_metric("runtime", time.time() - start_time, uom="s")
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plugin.check_all_metrics()
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plugin.exit()
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def check_website(uri, timeout=10):
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"""Tries fetching the uri specified
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returns (False, "Invalid status code <status_code>") on any failure and status code other than 2XX
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returns (None, "Timeout in %f seconds") on timeout
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returns (True, time (float)) it took to fetch the website on success"""
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start_time = time.time()
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signal.alarm(timeout)
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try:
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req = requests.get(uri)
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if str(req.status_code)[0] != "2":
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return False, "Invalid HTTP status: " + str(req.status_code)
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except TimeoutException:
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return None, "Timeout in %.2f seconds" % (time.time() - start_time)
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except Exception, e:
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return False, "Error encountered: " + e.message
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signal.alarm(0)
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return True, "%.2f" % (time.time() - start_time)
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if __name__ == "__main__":
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main()
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