mirror of
https://github.com/munin-monitoring/contrib.git
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54 lines
1.4 KiB
Plaintext
54 lines
1.4 KiB
Plaintext
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#!/bin/bash
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# -*- sh -*-
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: << =cut
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=head1 NAME
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ssl_ - Plugin to monitor certificate expiration
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=head1 CONFIGURATION
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This plugin does not normally require configuration.
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To set warning and critical levels do like this:
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[ssl_*]
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env.warning 30:
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=head1 AUTHOR
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Pactrick Domack
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Copyright (C) 2013 Patrick Domack <patrickdk@patrickdk.com>
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=head1 LICENSE
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=cut
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. $MUNIN_LIBDIR/plugins/plugin.sh
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SITE=${0##*ssl_}
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case $1 in
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config)
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echo "graph_title $SITE SSL Certificate Expire"
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echo 'graph_args --base 1000'
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echo 'graph_vlabel days left'
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echo 'graph_category ssl'
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echo "graph_info This graph shows the days left for the certificate being served by $SITE"
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echo 'expire.label days'
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print_warning expire
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print_critical expire
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exit 0
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;;
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esac
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cert=$(echo "" | openssl s_client -CApath /etc/ssl/certs -connect "${SITE}:443" 2>/dev/null);
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if [[ "${cert}" = *"-----BEGIN CERTIFICATE-----"* ]]; then
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echo "${cert}" | openssl x509 -noout -enddate | awk -F= 'BEGIN { split("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec", month, " "); for (i=1; i<=12; i++) mdigit[month[i]] = i; } /notAfter/ { split($0,a,"="); split(a[2],b," "); split(b[3],time,":"); datetime=b[4] " " mdigit[b[1]] " " b[2] " " time[1] " " time[2] " " time[3]; days=(mktime(datetime)-systime())/86400; print "expire.value " days; }'
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fi
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