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Minhaj
Asked: 2011-04-23 00:27:37 +0800 CST

Sending email after successful mysqldump

  • 772

I've a script which will take backup of mysql db through mysqldump. I'd like add another option in this script to send an automatic email if the dump is successful or failure.

Here's the script:

#!/bin/sh
BACKUP=/data/backup/sql2/new_backup/daily
cd $BACKUP
mkdir `date '+%d-%m-%Y'`
NOW=$(date +"%d-%m-%Y")

MUSER="root"
MPASS="mypass"
MHOST="sql4"
MYSQL="$(which mysql)"
MYSQLDUMP="$(which mysqldump)"
GZIP="$(which gzip)"

DBS="$($MYSQL -u $MUSER -h $MHOST -p$MPASS -Bse 'show databases')"
for db in $DBS
do
 FILE=$BACKUP/$NOW/mysql-$db.$NOW-$(date +"%T").sql.gz
 $MYSQLDUMP -u $MUSER -h $MHOST -p$MPASS --lock-all-tables $db | $GZIP -9 > $FILE
done

How can I do this?

scripting shell

2 Answers

  1. Best Answer

    mysqldump will finish with exit code 0 if all went well. You can use that: 

    #!/bin/sh
BACKUP=/data/backup/sql2/new_backup/daily
cd $BACKUP
mkdir `date '+%d-%m-%Y'`
NOW=$(date +"%d-%m-%Y")

MUSER="root"
MPASS="mypass"
MHOST="sql4"
MYSQL="$(which mysql)"
MYSQLDUMP="$(which mysqldump)"
GZIP="$(which gzip)"
MAIL="[email protected]"
MAILER="$(which mail)"
STATUSFILE="/tmp/statusfile.$NOW"


echo "Backup report from $NOW" > $STATUSFILE
DBS="$($MYSQL -u $MUSER -h $MHOST -p$MPASS -Bse 'show databases')"
for db in $DBS
do
 FILE=$BACKUP/$NOW/mysql-$db.$NOW-$(date +"%T").sql.gz
 $MYSQLDUMP -u $MUSER -h $MHOST -p$MPASS --lock-all-tables $db | $GZIP -9 > $FILE
 if [ "$?" -eq "0" ] then; 
   echo "$db backup is OK" >> $STATUSFILE
  else 
   echo "##### WARNING: #####  $db backup failed" >> $STATUSFILE
  fi
done
$MAILER -s "Backup report for $NOW" -- $MAIL < $STATUSFILE
rm $STATUSFILE

    I haven't tested this, but this is the general way to do it.

    • 4 
  2. #!/bin/bash 

TO="[email protected]" 
SUBJECT="testmail"      
MSG="bla bla bla"

/usr/sbin/sendmail -t <<EOF
to:$TO
subject:$SUBJECT
$MSG
EOF

    You can also add the "from" field, if necessary.

    • 0