92 lines
2.3 KiB
Bash
Executable File
92 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# -*- sh -*-
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: << =cut
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=head1 NAME
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procbyuser - Plugin to monitor the amount of processes owned by a user
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=head1 INSTALLATION
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Place in /etc/munin/plugins/ (or link it there using ln -s)
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=head1 CONFIGURATION
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Add this to your /etc/munin/plugin-conf.d/munin-node:
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[procbyuser]
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user root # required if /proc can't be read from by any user!
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env.USERS root yann # defaults to ALL, i.e. display all users. 'root' is counted as one of the 'others'
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env.OTHER_FIELD others # enable 'others'-list, set the label/field name
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=head1 AUTHORS
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Copyright (C) 2019 pcy <pcy@ulyssis.org>
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Based on the plugin "cpubyuser".
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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=cut
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. "$MUNIN_LIBDIR/plugins/plugin.sh"
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[ -z "$USERS" ] && USERS=ALL
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if [ "$USERS" = "ALL" ]; then
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USERS="$(ps ax --format uname | tail +2 | sort -u | grep -v -e '^root$')"
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fi
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if [ "$1" = "autoconf" ]; then
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echo "yes"
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fi
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if [ "$1" = "config" ]; then
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echo "graph_args -r --lower-limit 0"
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echo "graph_title Processes per user"
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echo "graph_category processes"
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echo "graph_info This graph shows the amount of processes owned by a user."
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echo "graph_vlabel processes"
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echo "graph_scale no"
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echo "graph_period second"
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user_fields="$(for user in $USERS; do clean_fieldname "$user" | tr '\n' ' '; done)"
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echo "graph_order $user_fields $(clean_fieldname "$OTHER_FIELD")"
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for user in $USERS "$OTHER_FIELD"; do
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if [ -n "$user" ]; then
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user_field="$(clean_fieldname "$user")"
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echo "${user_field}.label $user"
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echo "${user_field}.info processes of user $user"
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echo "${user_field}.type GAUGE"
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echo "${user_field}.draw AREASTACK"
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fi
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done
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exit
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fi
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OTHER_PRINT=""
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[ -z "$OTHER_FIELD" ] || OTHER_PRINT="print \"$(clean_fieldname "$OTHER_FIELD")\", others_sum;"
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ps ax -o user:42= -o cmd= | \
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awk -v USERS="$USERS" '
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!($2 ~ /^\[/) { NUSER[$1]=NUSER[$1]+1 } # filter away kernel threads
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END {
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others_sum = 0
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split(USERS, user_array)
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for (user in NUSER) {
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m = match(USERS,user)
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if (m != 0) {
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_user=user
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gsub(/[-.]/,"_",_user);
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print _user, (NUSER[user])
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} else
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others_sum += NUSER[user]
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}
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'"$OTHER_PRINT"'
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}' | while read -r user count; do
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# apply fieldname cleanup
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echo "$(clean_fieldname "$user").value $count"
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done
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