Skip to content

Instantly share code, notes, and snippets.

@Silvenga
Created June 11, 2015 23:10
Show Gist options
  • Save Silvenga/76dc9ee36ad476f4b37f to your computer and use it in GitHub Desktop.
Save Silvenga/76dc9ee36ad476f4b37f to your computer and use it in GitHub Desktop.
backup.sh
#!/bin/bash
export PASSPHRASE={{ grains['backup.password'] }}
export AWS_ACCESS_KEY_ID={{ grains['backup.aws_id'] }}
export AWS_SECRET_ACCESS_KEY={{ grains['backup.aws_key'] }}
FOLDER={{ grains['id'] }}
TARGET=s3+http://{{ grains['backup.aws_bucket'] }}/$FOLDER
SOURCE=/
LOGLOC=/var/log/nightly-backup
EXCLUDE=/tmp/excludeList.txt
cat > $EXCLUDE <<EOF
- /dev
- /proc
- /home/*/.cache
- /home/*/.ccache
- /lost+found
- /media
- /mnt
- /run
- /tmp
- /boot
- /selinux
- /root/.cache
- /root/.ccache
- /sys
- /var/cache
- /var/log
- /var/lock
- /var/run
- /var/tmp
EOF
function errorHandler () {
echo "Error">>$LOGLOC
errors=1
}
#######################################################################
# Start Script
#######################################################################
echo "Started At: `date`." >>$LOGLOC
echo "Starting Backup." >>$LOGLOC
echo "" >>$LOGLOC
#######################################################################
# Clean
#######################################################################
echo "Cleaning Apt-get">>$LOGLOC
apt-get clean>>$LOGLOC
[[ "$?" != "0" ]] && errorHandler
#######################################################################
# Init backup
#######################################################################
if type mysql >/dev/null 2>&1; then
echo "Dumping databases..." >>$LOGLOC
USER="root"
PASSWORD="{{ grains['mysql.password'] }}"
OUTPUTDIR="/var/db-backups"
mkdir -p $OUTPUTDIR
databases=`mysql --user=$USER --password=$PASSWORD -e "SHOW DATABASES;" | tr -d "| " | grep -v Database`
for db in $databases; do
echo "Optimizing databse $db">>$LOGLOC
mysqlcheck --optimize --user=$USER --password=$PASSWORD --databases $db > /dev/null
echo "Dumping databse $db">>$LOGLOC
mysqldump --force --opt --user=$USER --password=$PASSWORD --databases $db 1> "$OUTPUTDIR/$db.bak.sql" 2>/dev/null
done
echo "Done." >>$LOGLOC
else
echo "Skipping Database dump." >>$LOGLOC
fi
echo "" >>$LOGLOC
#######################################################################
# Backup
#######################################################################
echo "Backing up files..." >>$LOGLOC
# --allow-source-mismatch
OPTS="--exclude-filelist $EXCLUDE --s3-use-new-style"
duplicity --full-if-older-than 5D $OPTS $SOURCE $TARGET >>$LOGLOC
[[ "$?" != "0" ]] && errorHandler
echo "Done." >>$LOGLOC
echo "" >>$LOGLOC
#######################################################################
# Clean-up
#######################################################################
echo "Cleaning old backups..." >>$LOGLOC
duplicity remove-all-but-n-full 2 --force $TARGET >>$LOGLOC
[[ "$?" != "0" ]] && errorHandler
echo "Done." >>$LOGLOC
echo "" >>$LOGLOC
#######################################################################
# Finish up
#######################################################################
unset AWS_ACCESS_KEY_ID
unset AWS_SECRET_ACCESS_KEY
unset PASSPHRASE
# Email log
if [ -n "$errors" ] ; then
echo "Backup Finished, Emailing Log..." >>$LOGLOC
mail -s 'Daily Backup Report' {{ grains['backup.email'] }} <$LOGLOC
else
echo "Backup Finished, no errors, not emailing log..." >>$LOGLOC
fi
# Remove old backup log, and backup current log
rm $LOGLOC.log
mv $LOGLOC $LOGLOC.log
# Done!
exit 0
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment