collect-nprocstat.procfs.sh

#!/bin/sh

# Copyright 2015-2020 Rivoreo

# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:

# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
# FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

if [ -z "${PROGRAM_DIR+set}" ]; then
	echo "You should not run this script directly" 1>&2
	exit 255
fi

[ -n "$LINPROCFS" ] && [ -f "$LINPROCFS/$$/status" ] && proc_path="$LINPROCFS" || proc_path=/proc
while true; do
	count=0
	for f in "$proc_path"/*; do
		[ -h "$f" ] && continue
		[ -d "$f" ] || continue
		[ -f "$f/status" ] || continue
		count=$((count+1))
	done
	#echo $count
	if [ -n "$INFLUXDB_BASE_URL" ]; then
		http_post "${INFLUXDB_BASE_URL}write?db=$INFLUXDB_DB_NAME" \
			"procstat,host=$HOSTNAME nproc=$count" 1>&2
	fi
	if [ -n "$CARBON_SERVER" ]; then
		printf %s\\n "procstat.$HOSTNAME_FOR_CARBON.nproc $count -1"
	fi
	sleep "$INTERVAL"
done | send_carbon_lines