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Improve the Friendica backup script to handle database errors

This commit is contained in:
Bob Mottram 2014-08-02 09:51:34 +01:00
parent e6325d597b
commit b1bf0b8a7e
1 changed files with 39 additions and 5 deletions
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44
beaglebone.txt
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@ -4226,31 +4226,65 @@ Make sure that the database gets backed up. By using cron if anything goes wron
editor /etc/cron.daily/backup editor /etc/cron.daily/backup
#+END_SRC #+END_SRC
Enter the following Enter the following, replacing /myusername@mydomainname.com/ with your email address.
#+BEGIN_SRC: bash #+BEGIN_SRC: bash
#!/bin/sh #!/bin/sh
# stop the web server to avoid any changes to the databases during backup EMAIL=myusername@mydomainname.com
service apache2 stop
MYSQL_PASSWORD=<mysql root password> MYSQL_PASSWORD=<mysql root password>
umask 0077 umask 0077
# stop the web server to avoid any changes to the databases during backup
service apache2 stop
# Save to a temporary file first so that it can be checked for non-zero size
TEMPFILE=/tmp/friendicared.sql
# Backup the database # Backup the database
mysqldump --password=$MYSQL_PASSWORD friendica > /var/backups/friendica_daily.sql mysqldump --password=$MYSQL_PASSWORD friendica > $TEMPFILE
FILESIZE=$(stat -c%s $TEMPFILE)
if [ "$FILESIZE" -eq "0" ]; then
# restart the web server
service apache2 start
# Send a warning email
echo "Unable to create a backup of the Friendica database" | mail -s "Friendica backup" $EMAIL
exit 1
fi
chmod 600 $TEMPFILE
mv $TEMPFILE /var/backups/friendica_daily.sql
# Make the backup readable only by root # Make the backup readable only by root
chmod 600 /var/backups/friendica_daily.sql chmod 600 /var/backups/friendica_daily.sql
# Backup the database # Backup the database
#mysqldump --password=$MYSQL_PASSWORD redmatrix > /var/backups/redmatrix_daily.sql #mysqldump --password=$MYSQL_PASSWORD redmatrix > $TEMPFILE
FILESIZE=$(stat -c%s $TEMPFILE)
if [ "$FILESIZE" -eq "0" ]; then
# restart the web server
service apache2 start
# Send a warning email
echo "Unable to create a backup of the Red Matrix database" | mail -s "Red Matrix backup" $EMAIL
exit 2
fi
chmod 600 $TEMPFILE
mv $TEMPFILE /var/backups/redmatrix_daily.sql
# Make the backup readable only by root # Make the backup readable only by root
#chmod 600 /var/backups/redmatrix_daily.sql #chmod 600 /var/backups/redmatrix_daily.sql
# restart the web server # restart the web server
service apache2 start service apache2 start
exit 0
#+END_SRC #+END_SRC
Save and exit. Save and exit.