mirror of
https://github.com/munin-monitoring/contrib.git
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49 lines
1.1 KiB
Bash
Executable File
49 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Plugin to count the open connections for smtp, pop3 and imap
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#
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# Magic markers - optional - used by installation scripts and
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# munin-config:
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#
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#%# family=auto
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#%# capabilities=autoconf
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PORTS="25 smtp SMTP
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110 pop3 POP3
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143 imap IMAP
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465 ssmtp SMTP-SSL
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587 submission SMTP (submission)
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993 imaps IMAP-SSL
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995 pop3s POP3-SSL"
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if [ "$1" = "autoconf" ]; then
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ports=$(echo "$PORTS" | cut -f 1 -d " ")
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for port in $ports; do
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netstat -ln | grep -q ":$port " && echo "yes" && exit 0
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done
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# no open connections for typical mail ports found
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echo "no (no listeners for smtp/pop3/imap ports found)"
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exit 0
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fi
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if [ "$1" = "config" ]; then
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cat <<EOT
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graph_title Open mail server connections
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graph_args --base 1000 -l 0
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graph_vlabel connections per second
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graph_category Mail
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EOT
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echo "$PORTS" | while read port field label; do
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echo "${field}.label $label"
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echo "${field}.type DERIVE"
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echo "${field}.min 0"
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done
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exit 0
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fi
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echo "$PORTS" | while read port field label; do
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echo -n "${field}.value "
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netstat -n | grep ":$port " | wc -l
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done
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