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@kevashcraft kevashcraft/backup
Created Mar 16, 2016

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Kevin's Bash Backup Program
#!/bin/bash
# Kevin's BASH Backup Program
# - runs every $interval
# - at midnight moves most recent to daily folder
# - on first day of the week moves most recent to weekly folder
# - on first day of the month moves most recent to monthly folder
# - deletes oldest interval backups after $keepinterval
# - deletes oldest weekly backups after $keepweekly
# - deletes oldest daily backups after $keepdaily
# CONFIG VARS
interval=15
keepinterval=96
keepdaily=31
keepweekly=52
busource=/testsource
budest=/testbackups
# SETUP
# make backup directories
if [ ! -d $budest ]; then
mkdir $budest
fi
if [ ! -d $budest/interval ]; then
mkdir $budest/interval
fi
if [ ! -d $budest/daily ]; then
mkdir $budest/daily
fi
if [ ! -d $budest/weekly ]; then
mkdir $budest/weekly
fi
if [ ! -d $budest/monthly ]; then
mkdir $budest/monthly
fi
# GET DATE INFO
# set argument as date, used for testing
if [ ! -z "$1" ]; then
givendate="-d $1"
fi
datetime=`date +%Y-%m-%d-%H-%M $givendate`
hourminute=`date +%H-%M $givendate`
dayofmonth=`date +%d $givendate`
dayofweek=`date +%w $givendate`
lastdate=`ls -l $budest/interval/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | tail -n 1`
# BACKUP COMMANDS
rsync -avh --link-dest=$budest/interval/$lastdate $busource/ $budest/interval/$datetime/ > /dev/null
# MOVE/DELETE FOLDERS
# if it's a new day...
if [ "$hourminute" = "00-00" ]; then
# MOVING...
# move the most recent interval to daily
if [ -d $budest/interval/$lastdate ]; then
mv $budest/interval/$lastdate $budest/daily/
fi
# on the first day of the week, move the most recent daily to weekly
if [ "$dayofweek" = "0" ]; then
lastdaily=`ls -l $budest/daily/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | tail -n 1`
if [ -d $budest/daily/$lastdaily ]; then
mv $budest/daily/$lastdaily $budest/weekly/
fi
fi
# on the first day of the month, move the most recent weekly to monthly
if [ "$dayofmonth" = "01" ]; then
lastweekly=`ls -l $budest/weekly/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | tail -n 1`
if [ -d $budest/weekly/$lastweekly ]; then
mv $budest/weekly/$lastweekly $budest/monthly/
fi
fi
# DELETING...
# remove oldest daily (if more than $keepdaily)
dailycount=`ls -l $budest/daily/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | wc -l`
if [ "$dailycount" -gt "$keepdaily" ]; then
oldestdaily=`ls -l $budest/daily/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | head -n 1`
rm -rf /$budest/daily/$oldestdaily
fi
# remove oldest weekly (if more than $keepweekly)
weeklycount=`ls -l $budest/weekly/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | wc -l`
if [ "$weeklycount" -gt "$keepweekly" ]; then
oldestweekly=`ls -l $budest/daily/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | head -n 1`
rm -rf /$budest/weekly/$oldestweekly
fi
fi
intervalcount=`ls -l $budest/interval/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | wc -l`
# remove oldest interval (if more than $keepinterval)
if [ "$intervalcount" -gt "$keepinterval" ]; then
oldestinterval=`ls -l $budest/interval/ | grep -o '[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{2\}$' | head -n 1`
rm -rf /$budest/interval/$oldestinterval
fi
#!/bin/bash
rm -rf /testbackups/*
rm -rf /testsource/*
for month in `seq 1 3`; do
dim=`date -d "2006/$month/1 + 1 month - 1 day" +%d`
echo "DIM: $dim"
for day in `seq 1 $dim`; do
touch /testsource/$day.test
for hour in `seq 0 23`; do
for minute in `seq 0 59`; do
if [ `expr $minute % 15` = "0" ]; then
echo "testing day-hour-minute: $day-$hour-$minute"
/BPConnect/bin/bpcbackup "2006-$month-${day}T$hour:$minute:00-0600"
fi
done
done
done
done
echo "RESULTS"
echo "Interval: Count ($(ls -l /testbackups/interval | wc -l))"
ls /testbackups/interval
echo "Daily: Count ($(ls -l /testbackups/daily | wc -l))"
ls /testbackups/daily/
echo "Weekly: Count ($(ls -l /testbackups/weekly | wc -l))"
ls /testbackups/weekly
echo "Monthly: Count ($(ls -l /testbackups/monthly | wc -l))"
ls /testbackups/monthly
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