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#!/usr/bin/env bash
# This script assumes that the keys used by publishers
# corresponds to the UNIQUE hostname of each monitored node
# Check parameters
[ $# -ne 3 ] && { echo "Usage: $0 <key> <from> <to>"; exit 1; }
# Load parameters
key=$1
from=$2
to=$3
# Load configuration
wai=$(dirname $(readlink -f "$0")) # Current script directory
source ${wai}/config.mk
# Compute intervals
ifrom=$(echo $from $LOG_INTERVAL | awk '{print($1-($1%$2))}')
ito=$(echo $to $LOG_INTERVAL | awk '{print($1-($1%$2))}')
# Search for power measurements
nfolder=$(readlink -f ${wai}/${SUBSCRIBER_DIR}/$key/) # Node Folder
[ ! -d "$nfolder" ] && { echo "Node \"$key\" has not power measurements."; exit 2; }
cfolder=${nfolder}/$(ls $nfolder/|head -n1)/ # Client FOlder
[ ! -d "$cfolder" ] && { echo "Node \"$key\" has no client folder yet."; exit 3; }
# Set from file and to file
ffile=${cfolder}/$ifrom
tfile=${cfolder}/$ito
[ ! -f "$ffile" ] && { echo "Node power measurements starting at $2."; exit 4; }
[ ! -f "$tfile" ] && { echo "Node power measurements up to $3."; exit 5; }
# Give files to the user
missings=0
header=0
for interval in $(seq $ifrom $LOG_INTERVAL $ito)
do
file=${cfolder}/${interval}
if [ ! -f "$file" ]
then
missings=$(( missings + 1 ))
continue
fi
# Cat files
if [ $header -eq 0 ]
then
cat $file
header=1
else
tail -n +2 $file
fi
done
# Report missings
[ $missings -gt 0 ] && { echo "Some power measurements are missings ($missings intervals of ${LOG_INTERVAL}s)" >&2; exit 6; }
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