#!/bin/sh

#
# Copyright (c) 2001-2024 Willem Dijkstra
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
#    - Redistributions of source code must retain the above copyright
#      notice, this list of conditions and the following disclaimer.
#    - Redistributions in binary form must reproduce the above
#      copyright notice, this list of conditions and the following
#      disclaimer in the documentation and/or other materials provided
#      with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# --- user configuration starts here
INTERVAL=${INTERVAL:-5}
# default RRA setup:
# - 2   days of  5 second  samples = 34560 x 5 second samples
# - 14  days of 30 minutes samples = 672 x 360 x 5 second samples
# - 50  days of  2 hour    samples = 600 x 1440 x 5 second samples
# - 600 days of  1 day     samples = 600 x 17280 x 5 second samples
RRA_SETUP=${RRA_SETUP:-"
	    RRA:AVERAGE:0.5:1:34560
	    RRA:AVERAGE:0.5:360:672
	    RRA:AVERAGE:0.5:1440:600
	    RRA:AVERAGE:0.5:17280:600
	    RRA:MAX:0.5:1:34560
	    RRA:MAX:0.5:360:672
	    RRA:MAX:0.5:1440:600
	    RRA:MAX:0.5:17280:600
	    RRA:MIN:0.5:1:34560
	    RRA:MIN:0.5:360:672
	    RRA:MIN:0.5:1440:600
	    RRA:MIN:0.5:17280:600"}
# --- user configuration ends here
create_rrd() {
    file=$1
    shift
    $RRDTOOL create $file $RRD_ARGS $* $RRA_SETUP
    if [ "$?" = "0" -a -f $file ]; then
	echo "$file created"
    else
	echo "could not create $file"
    fi
}
find_exec() {
    alternatives=$1`echo :$PATH:$2: | sed "s@:@/$3:@g"`
    echo $alternatives  | tr ':' '\n' | (
        while read f; do
            if [ -n "$f" -a -x "$f" ]; then
                echo $f
                return
            fi
        done)
}
# find rrdtool
RRDTOOL=`find_exec "$RRDTOOL" /usr/local/bin rrdtool`
if [ ! -x "$RRDTOOL" ]; then
    echo "Cannot find rrdtool - add it to \$PATH or \$RRDTOOL"
    exit 1;
fi
# get arguments
select_interval=""
for i
do
case $i in
interval)
    select_interval="yes"
    ;;
child)
    child=1
    ;;
oneday)
    config=$i
# today only RRA setup:
# - 1   day  of  5 second  samples = 17280 x 5 second samples
    RRA_SETUP=" RRA:AVERAGE:0.5:1:17280
	    RRA:MAX:0.5:1:17280
	    RRA:MIN:0.5:1:17280"
    if [ X"$child" = "X" ]; then
	echo "RRDs will only contain a single day of data"
    fi
    ;;
*)
    if [ -n "$select_interval" ]; then
	INTERVAL=$i
	select_interval=""
    else
	args="$args $i"
    fi
    ;;
esac
done

this=$0
if [ X"$1$2$3$4$5$6$7$8$9" = "X" ]; then
    cat <<EOF
Create rrd files for symux.

Usage: `basename $0` [oneday] [interval <seconds>] [all] \\
		     <rrd files>

Where:
oneday       = modify rrds to only contain one day of information
seconds      = modify rrds for non standard monitoring interval
all          = run symux -l to determine current configured rrd
	       files
<rrd files>  = files ending in rrd that follow symux naming

If rrdtool or symux are not installed in default locations try
setting \$PATH or \$RRDTOOL, \$SYMUX.

EOF
    exit 1;
fi

RRD_ARGS="--step=$INTERVAL --start=now-10"

for i in $args
do

if [ -f $i ]; then
    echo "$i exists - ignoring"
    i="done"
fi

j=`basename $i`
case $j in

all)
    SYMUX=`find_exec "$SYMUX" /usr/libexec:/usr/local/libexec:/usr/local/bin:/usr/local/sbin symux`
    if [ ! -x "$SYMUX" ]; then
        echo "Cannot find symux - add it to \$PATH or \$SYMUX"
        exit 1;
    fi
    sh $this interval $INTERVAL child $config `$SYMUX -l`
    ;;

cpu[0-9]*.rrd)
    # Build cpu file
    create_rrd $i \
	DS:user:GAUGE:$INTERVAL:0:100 \
	DS:nice:GAUGE:$INTERVAL:0:100 \
	DS:system:GAUGE:$INTERVAL:0:100 \
	DS:interrupt:GAUGE:$INTERVAL:0:100 \
	DS:idle:GAUGE:$INTERVAL:0:100
    ;;

cpuiow[0-9]*.rrd)
    # Build cpuiow file
    create_rrd $i \
	DS:user:GAUGE:$INTERVAL:0:100 \
	DS:nice:GAUGE:$INTERVAL:0:100 \
	DS:system:GAUGE:$INTERVAL:0:100 \
	DS:interrupt:GAUGE:$INTERVAL:0:100 \
	DS:idle:GAUGE:$INTERVAL:0:100 \
	DS:iowait:GAUGE:$INTERVAL:0:100
    ;;

df_*.rrd)
    # Build df file
    create_rrd $i \
	DS:blocks:GAUGE:$INTERVAL:0:U \
	DS:bfree:GAUGE:$INTERVAL:0:U \
	DS:bavail:GAUGE:$INTERVAL:0:U \
	DS:files:GAUGE:$INTERVAL:0:U \
	DS:ffree:GAUGE:$INTERVAL:0:U \
	DS:syncwrites:COUNTER:$INTERVAL:U:U \
	DS:asyncwrites:COUNTER:$INTERVAL:U:U
    ;;

sensor_*.rrd)
    # Build sensor file
    create_rrd $i \
	DS:value:GAUGE:$INTERVAL:U:U
    ;;

mem.rrd)
    # Build memory file
    create_rrd $i \
	DS:real_active:GAUGE:$INTERVAL:0:U \
	DS:real_total:GAUGE:$INTERVAL:0:U \
	DS:free:GAUGE:$INTERVAL:0:U \
	DS:swap_used:GAUGE:$INTERVAL:0:U \
	DS:swap_total:GAUGE:$INTERVAL:0:U
    ;;

if_*.rrd)
    # Build interface files
    create_rrd $i \
	DS:ipackets:COUNTER:$INTERVAL:U:U DS:opackets:COUNTER:$INTERVAL:U:U \
	DS:ibytes:COUNTER:$INTERVAL:U:U DS:obytes:COUNTER:$INTERVAL:U:U \
	DS:imcasts:COUNTER:$INTERVAL:U:U DS:omcasts:COUNTER:$INTERVAL:U:U \
	DS:ierrors:COUNTER:$INTERVAL:U:U DS:oerrors:COUNTER:$INTERVAL:U:U \
	DS:collisions:COUNTER:$INTERVAL:U:U DS:drops:COUNTER:$INTERVAL:U:U
    ;;

debug.rrd)
    # Build debug file
    create_rrd $i \
	DS:debug0:GAUGE:$INTERVAL:U:U DS:debug1:GAUGE:$INTERVAL:U:U \
	DS:debug2:GAUGE:$INTERVAL:U:U DS:debug3:GAUGE:$INTERVAL:U:U \
	DS:debug4:GAUGE:$INTERVAL:U:U DS:debug5:GAUGE:$INTERVAL:U:U \
	DS:debug6:GAUGE:$INTERVAL:U:U DS:debug7:GAUGE:$INTERVAL:U:U \
	DS:debug8:GAUGE:$INTERVAL:U:U DS:debug9:GAUGE:$INTERVAL:U:U \
	DS:debug10:GAUGE:$INTERVAL:U:U DS:debug11:GAUGE:$INTERVAL:U:U \
	DS:debug12:GAUGE:$INTERVAL:U:U DS:debug13:GAUGE:$INTERVAL:U:U \
	DS:debug14:GAUGE:$INTERVAL:U:U DS:debug15:GAUGE:$INTERVAL:U:U \
	DS:debug16:GAUGE:$INTERVAL:U:U DS:debug17:GAUGE:$INTERVAL:U:U \
	DS:debug18:GAUGE:$INTERVAL:U:U DS:debug19:GAUGE:$INTERVAL:U:U
    ;;
proc_*.rrd)
    # Build proc file
    create_rrd $i \
	DS:number:GAUGE:$INTERVAL:0:U DS:uticks:COUNTER:$INTERVAL:0:U \
	DS:sticks:COUNTER:$INTERVAL:0:U DS:iticks:COUNTER:$INTERVAL:0:U \
	DS:cpusec:GAUGE:$INTERVAL:0:U DS:cpupct:GAUGE:$INTERVAL:0:100 \
	DS:procsz:GAUGE:$INTERVAL:0:U DS:rsssz:GAUGE:$INTERVAL:0:U
    ;;

pf.rrd)
    # Build pf file
    create_rrd $i \
	DS:bytes_v4_in:DERIVE:$INTERVAL:0:U DS:bytes_v4_out:DERIVE:$INTERVAL:0:U \
	DS:bytes_v6_in:DERIVE:$INTERVAL:0:U DS:bytes_v6_out:DERIVE:$INTERVAL:0:U \
	DS:packets_v4_in_pass:DERIVE:$INTERVAL:0:U DS:packets_v4_in_drop:DERIVE:$INTERVAL:0:U \
	DS:packets_v4_out_pass:DERIVE:$INTERVAL:0:U DS:packets_v4_out_drop:DERIVE:$INTERVAL:0:U \
	DS:packets_v6_in_pass:DERIVE:$INTERVAL:0:U DS:packets_v6_in_drop:DERIVE:$INTERVAL:0:U \
	DS:packets_v6_out_pass:DERIVE:$INTERVAL:0:U DS:packets_v6_out_drop:DERIVE:$INTERVAL:0:U \
	DS:states_entries:GAUGE:$INTERVAL:0:U \
	DS:states_searches:DERIVE:$INTERVAL:0:U \
	DS:states_inserts:DERIVE:$INTERVAL:0:U \
	DS:states_removals:DERIVE:$INTERVAL:0:U \
	DS:counters_match:DERIVE:$INTERVAL:0:U \
	DS:counters_badoffset:DERIVE:$INTERVAL:0:U \
	DS:counters_fragment:DERIVE:$INTERVAL:0:U \
	DS:counters_short:DERIVE:$INTERVAL:0:U \
	DS:counters_normalize:DERIVE:$INTERVAL:0:U \
	DS:counters_memory:DERIVE:$INTERVAL:0:U
    ;;

pfq_*.rrd)
    # Build pfq file
    create_rrd $i \
	DS:sent_bytes:COUNTER:$INTERVAL:0:U \
	DS:sent_packets:COUNTER:$INTERVAL:0:U \
	DS:drop_bytes:COUNTER:$INTERVAL:0:U \
	DS:drop_packets:COUNTER:$INTERVAL:0:U
    ;;

mbuf.rrd)
    # Build mbuf file
    create_rrd $i \
	DS:totmbufs:GAUGE:$INTERVAL:0:U DS:mt_data:GAUGE:$INTERVAL:0:U \
	DS:mt_oobdata:GAUGE:$INTERVAL:0:U DS:mt_control:GAUGE:$INTERVAL:0:U \
	DS:mt_header:GAUGE:$INTERVAL:0:U DS:mt_ftable:GAUGE:$INTERVAL:0:U \
	DS:mt_soname:GAUGE:$INTERVAL:0:U DS:mt_soopts:GAUGE:$INTERVAL:0:U \
	DS:pgused:GAUGE:$INTERVAL:0:U DS:pgtotal:GAUGE:$INTERVAL:0:U \
	DS:totmem:GAUGE:$INTERVAL:0:U DS:totpct:GAUGE:$INTERVAL:0:100 \
	DS:m_drops:COUNTER:$INTERVAL:0:U DS:m_wait:COUNTER:$INTERVAL:0:U \
	DS:m_drain:COUNTER:$INTERVAL:0:U
    ;;

io_*.rrd)
    # Build disk files
    create_rrd $i \
	DS:rxfer:COUNTER:$INTERVAL:U:U \
	DS:wxfer:COUNTER:$INTERVAL:U:U \
	DS:seeks:COUNTER:$INTERVAL:U:U \
	DS:rbytes:COUNTER:$INTERVAL:U:U \
	DS:wbytes:COUNTER:$INTERVAL:U:U
    ;;

io1_*.rrd)
    # Build disk files
    create_rrd $i \
	DS:transfers:COUNTER:$INTERVAL:U:U \
	DS:seeks:COUNTER:$INTERVAL:U:U \
	DS:bytes:COUNTER:$INTERVAL:U:U
    ;;

smart_*.rrd)
    # Build smart files
    create_rrd $i \
        DS:read_error_rate:GAUGE:$INTERVAL:U:U \
        DS:realloc_sectors:GAUGE:$INTERVAL:U:U \
        DS:spin_retries:GAUGE:$INTERVAL:U:U \
        DS:air_flow_temp:GAUGE:$INTERVAL:U:U \
        DS:temperature:GAUGE:$INTERVAL:U:U \
        DS:realloc:GAUGE:$INTERVAL:U:U \
        DS:cur_pending:GAUGE:$INTERVAL:U:U \
        DS:uncorr:GAUGE:$INTERVAL:U:U \
        DS:sread_error_rate:GAUGE:$INTERVAL:U:U \
        DS:gsense_error_rate:GAUGE:$INTERVAL:U:U \
        DS:temperature2:GAUGE:$INTERVAL:U:U \
        DS:freefall:GAUGE:$INTERVAL:U:U
    ;;

time.rrd)
    # Build symon cpu time file
    create_rrd $i \
	DS:usec:GAUGE:$INTERVAL:0:U
    ;;

load.rrd)
    # Build load file
    create_rrd $i \
	DS:load1:GAUGE:$INTERVAL:0:U \
	DS:load5:GAUGE:$INTERVAL:0:U \
	DS:load15:GAUGE:$INTERVAL:0:U
    ;;

flukso_*.rrd)
    # Build the flukso file
    create_rrd $i \
        DS:watts:GAUGE:$INTERVAL:0:U
    ;;

wg_*.rrd)
    # Build wireguard files
    create_rrd $i \
	DS:rxbytes:COUNTER:$INTERVAL:0:U \
	DS:txbytes:COUNTER:$INTERVAL:0:U \
	DS:lasthandshake:COUNTER:$INTERVAL:0:U
    ;;

"done")
    # ignore
    ;;
*)
    # Default match
    echo $i - cannot determine filetype from filename
    ;;
esac
done
