WordPress Auto Backup Script

wp-backup.sh

# /bin/bash
BKNAME=
DIR=
DBHOST=
DBNAME=
DBUSER=
DBPASS=

# Backup Varibles
BKDIR=

# Restore Variables
RSDIR=
RSARDIR=
RSUSER=
RSGROUP=

OFFSITE=

# Offsite Rsync
RSYNCHOST=
RSYNCUSERNAME=
RSYNCPASSWORD=

# Offiste SCP
SCPUSER=
SCPHOST=
SCPDIR=

if [ `date +%e` =  1 ]; then
 DAY=`date +%b`
 DATE=$DAY.`date +%Y-%m-%d`
else
 DAY=`date +%w`
 DATE=$DAY.`date +%Y-%m-%d`
fi

if [ -e $1 ]; then
 source $1
 CONFIGSTATUS="Using config file found at $1"
else
 echo "No Config file found"
 exit
fi

if [ ! -e $DB_HOST ]; then
  DBHOST=`grep "DB_HOST" $DIR/wp-config.php |sed "s/define('DB_HOST', '//" |sed "s/');//"`
  DBNAME=`grep "DB_NAME" $DIR/wp-config.php |sed "s/define('DB_NAME', '//" |sed "s/');//"`
  DBUSER=`grep "DB_USER" $DIR/wp-config.php |sed "s/define('DB_USER', '//" |sed "s/');//"`
  DBPASS=`grep "DB_PASS" $DIR/wp-config.php |sed "s/define('DB_PASSWORD', '//" |sed "s/');//"`
fi
BKDIRNAME=$BKNAME

if [ `date +%e` = 1 ]; then
 ARCHIVE=1
else
 if [ `date +%w` = 0 ]; then
  ARCHIVE=1
 else
  ARCHIVE=0
 fi
fi

if [ ! -e $BKDIR ];then
 mkdir -p $BKDIR
fi

chown -R root:root $DIR/
chown -R apache:apache $DIR/wp-content $DIR/wp-admin/update.php
chown apache:apache $DIR

if [ -e $DIR/sitemap.xml ]; then
  chown apache:apache $DIR/sitemap.xml
fi

if [ -e $DIR/sitemap.xml.gz ]; then
  chown apache:apache $DIR/sitemap.xml.gz
fi
case "$2" in
restore)
  rm -rf $RSARDIR/$BKNAME.$DAY.*
  rm -rf $RSDIR/$BKNAME
  rm -rf $DIR/$BKNAME.$DAY.*
  rm -rf $DIR/$DBNAME.*
  if [ ! -e $RSARDIR ]; then
   mkdir -p $RSARDIR
  fi
  export RSYNC_PASSWORD=$RSYNCPASSWORD
  rsync -rvzht --delete --stats $RSYNCUSERNAME@$RSYNCHOST::ibackup/odin/$BKNAME/$BKNAME.$DAY.* $RSARDIR/ --port=45873 >> $DIR/$BACKUPNAME.log 2>&1
  cd $RSARDIR
  md5sum -c $BKNAME.$DATE.tgz.md5 > /dev/null 2>&1
  RESTOREMD5=`echo $(($?))`
  if [ $RESTOREMD5 = 0 ]; then
   cd $RSDIR/
   cp $RSARDIR/$BKNAME.$DATE.tgz $RSDIR/$BKNAME.$DATE.tgz
   tar -xzf $RSDIR/$BKNAME.$DATE.tgz
   mv $RSDIR$DIR $RSDIR
   cd $RSDIR/$BKNAME
   md5sum -c $DBNAME.$DATE.sql.md5 > /dev/null 2>&1
   RESTORESQLMD5=`echo $(($?))`
   if [ $RESTORESQLMD5 = 0 ]; then
    cd $RSDIR
    mysql -u $DBUSER -p$DBPASS $DBNAME < $RSDIR/$BKNAME/$DBNAME.$DATE.sql
    chown -R $RSUSER:$RSGROUP $RSDIR/$BKNAME
    rm -rf $RSDIR/var
    rm -rf $RSDIR/$BKNAME.$DATE.tgz
    rm -rf $RSDIR/$BKNAME/$DBNAME.$DATE.sql
    rm -rf $RSDIR/$BKNAME/$DBNAME.$DATE.log
   else
    echo "MD5 Check of the $BKNAME.$DATE.tgz SQL file failed"
    echo "Exiting $BKNAME with error code 1"
    rm -rf $RSDIR/$BKNAME.$DATE.tgz
    exit 1
   fi
  else
   echo "MD5 Check of the $BKNAME.$DATE.tgz file failed"
   echo "Exiting $BKNAME with error code 1"
   rm -rf $RSDIR/$BKNAME.$DATE.tgz
   exit 1
  fi
;;

backup)
  rm -rf $BKDIR/$BKNAME.$DAY.*
  rm -rf $DIR/$DBNAME.*

  for a in `echo "show tables;" |mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -N`
  do
   echo "OPTIMIZE TABLE $a;" |mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -N >> $DIR/$BKNAME.$DATE.log 2>&1
  done
  mysqldump -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME > $DIR/$DBNAME.$DATE.sql 2> $DIR/$BKNAME.$DATE.log
  a=$?
  mysqldump -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME --xml > $DIR/$DBNAME.$DATE.xml 2> $DIR/$BKNAME.$DATE.log
  a2=$?
  cd $DIR/
  md5sum $DBNAME.$DATE.sql $DBNAME.$DATE.xml > $DBNAME.$DATE.sql.md5 2>> $DIR/$BKNAME.$DATE.log
  b=$?
  SQLERROR=`echo $(($a+$a2+$b))`
  if [ $SQLERROR != 0 ]; then
   BKNAME=$BKNAME-NOSQL
   echo "Exiting on SQL error"
   echo "DBHOST $DBHOST"
   echo "DBNAME $DBNAME"
   echo "DBUSER $DBUSER"
   echo "DBPASS $DBPASS"
   exit 1
  fi
  tar -czf $BKDIR/$BKNAME.$DATE.tgz --totals $DIR >> $DIR/$BKNAME.$DATE.log 2>&1
  c=$?
  cd $BKDIR/
  md5sum $BKNAME.$DATE.tgz > $BKNAME.$DATE.tgz.md5 2>> $DIR/$BKNAME.$DATE.log
  d=$?
  TOTAL=`ls -lh $BKDIR/$BKNAME.$DATE.tgz |awk '{ print $5 }'`
  ERROR=`echo $(($a+$a2+$b+$c+$d))`
  if [ $ERROR = 0 ]; then
   STATUS=Good
  else
   STATUS=Failed
  fi

  echo "" >> $DIR/$BKNAME.$DATE.log
  echo "Starting GPG encryption" >> $DIR/$BKNAME.$DATE.log
  for a in $GPGKEY
  do
   GPGKEYD="$GPGKEYD -r $a"
  done
  #gpg -e -r $GPGKEY $BKDIR/$BKNAME.$DATE.tgz
  echo "" >> $DIR/$BKNAME.$DATE.log
  if [ $ARCHIVE = '0' ]; then
   case "$OFFSITE" in
    rsync|RSYNC)
      export RSYNC_PASSWORD=$RSYNCPASSWORD
      rsync -rvzht --delete --stats $BKDIR/ $RSYNCUSERNAME@$RSYNCHOST::ibackup/odin/$BKDIRNAME --port=45873 --exclude=Archive/ >> $DIR/$BACKUPNAME.log 2>&1
    ;;

    scp|SCP)
      echo "" >> $DIR/$BKNAME.$DATE.log
      echo "Starting SCP Transmition" >> $DIR/$BKNAME.$DATE.log
      ssh $SCPUSER@$SCPHOST "mkdir -p $SCPDIR"
      ssh $SCPUSER@$SCPHOST "rm -f $SCPDIR/$BKNAME.$DAY.*"
      scp -q $BKDIR/$BKNAME.$DATE.tgz $SCPUSER@$SCPHOST:$SCPDIR/ 2>> $DIR/$BKNAME.$DATE.log
      scp -q $BKDIR/$BKNAME.$DATE.tgz.md5 $SCPUSER@$SCPHOST:$SCPDIR/ 2>> $DIR/$BKNAME.$DATE.log
      #ssh $SCPUSER@$SCPHOST "chmod 666 $SCPDIR/$BKNAME.$DAY.*"
      echo "" >> $DIR/$BKNAME.$DATE.log
    ;;
   esac
  fi

  echo "final error status is: $ERROR" >> $DIR/$BKNAME.$DATE.log
  sed '/tar: Removing leading */d' $DIR/$BKNAME.$DATE.log > $BKDIR/backuptmp.log
  #echo "INSERT INTO Backup_Log ( System, Backup_Job, Label, Output, Bytes, Status, Log ) VALUES ('`hostname -s`', 'Wiki', '$DIR', '$BKNAME.$DATE', '$TOTAL', '$STATUS', '`cat $BKDIR/backuptmp.log`');" |mysql -t -h localhost -u backup Status
  rm -rf $BKDIR/backuptmp.log
  rm -rf $DIR/$DBNAME.$DAY.*
  rm -rf $DIR/$BKNAME.$DAY.*
  ;;
*)
  echo "The valid commands are backup & restore"
  exit 1
  ;;
esac