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Perform periodic database repairs

This commit is contained in:
Bob Mottram 2014-10-02 23:13:13 +01:00
parent 7df4833c9d
commit 1a5ab4f94d
1 changed files with 60 additions and 0 deletions
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60
install-freedombone.sh
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@ -3263,6 +3263,60 @@ function backup_databases_script_header {
fi
}
function repair_databases_script {
if grep -Fxq "repair_databases_script" $COMPLETION_FILE; then
return
fi
echo '#!/bin/bash' > /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo 'DATABASE=$1' >> /usr/bin/repairdatabase
echo "EMAIL=$MY_USERNAME@$DOMAIN_NAME" >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo "MYSQL_ROOT_PASSWORD='$MARIADB_PASSWORD'" >> /usr/bin/repairdatabase
echo 'TEMPFILE=/root/repairdatabase_$DATABASE' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo 'umask 0077' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo '# check the database' >> /usr/bin/repairdatabase
echo 'mysqlcheck -c -u root --password=$MYSQL_ROOT_PASSWORD $DATABASE > $TEMPFILE' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo '# Attempt to repair the database if it contains errors' >> /usr/bin/repairdatabase
echo 'if grep -q "Error" "$TEMPFILE"; then' >> /usr/bin/repairdatabase
echo ' mysqlcheck -u root --password=$MYSQL_ROOT_PASSWORD --auto-repair $DATABASE' >> /usr/bin/repairdatabase
echo 'else' >> /usr/bin/repairdatabase
echo ' # No errors were found, so exit' >> /usr/bin/repairdatabase
echo ' rm -f $TEMPFILE' >> /usr/bin/repairdatabase
echo ' exit 0' >> /usr/bin/repairdatabase
echo 'fi' >> /usr/bin/repairdatabase
echo 'rm -f $TEMPFILE' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo '# Check the database again' >> /usr/bin/repairdatabase
echo 'mysqlcheck -c -u root --password=$MYSQL_ROOT_PASSWORD $DATABASE > $TEMPFILE' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo '# If it still contains errors then restore from backup' >> /usr/bin/repairdatabase
echo 'if grep -q "Error" "$TEMPFILE"; then' >> /usr/bin/repairdatabase
echo ' mysql -u root --password=$MYSQL_ROOT_PASSWORD $DATABASE -o < /var/backups/${DATABASE}_daily.sql' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo ' # Send a warning email' >> /usr/bin/repairdatabase
echo ' echo "$DATABASE database corruption could not be repaired. Restored from backup." | mail -s "Freedombone database maintenance" $EMAIL' >> /usr/bin/repairdatabase
echo ' rm -f $TEMPFILE' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo ' exit 1' >> /usr/bin/repairdatabase
echo 'fi' >> /usr/bin/repairdatabase
echo 'rm -f $TEMPFILE' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo 'exit 0' >> /usr/bin/repairdatabase
chmod 600 /usr/bin/repairdatabase
chmod +x /usr/bin/repairdatabase
echo '#!/bin/bash' > /etc/cron.hourly/repair
echo '' >> /etc/cron.hourly/repair
chmod 600 /etc/cron.hourly/repair
chmod +x /etc/cron.hourly/repair
echo 'repair_databases_script' >> $COMPLETION_FILE
}
function install_gnu_social {
if grep -Fxq "install_gnu_social" $COMPLETION_FILE; then
return
@ -3276,6 +3330,7 @@ function install_gnu_social {
install_mariadb
get_mariadb_password
repair_databases_script
apt-get -y --force-yes install php-gettext php5-curl php5-gd php5-mysql git
@ -3488,6 +3543,8 @@ quit" > $INSTALL_DIR/batch.sql
echo ' cp -f /var/backups/gnusocial_weekly.sql /var/backups/gnusocial_monthly.sql' >> /etc/cron.monthly/backupdatabasesmonthly
echo 'fi' >> /etc/cron.monthly/backupdatabasesmonthly
echo '/usr/bin/repairdatabase gnusocial' >> /etc/cron.hourly/repair
nginx_ensite $MICROBLOG_DOMAIN_NAME
service php5-fpm restart
service nginx restart
@ -3552,6 +3609,7 @@ function install_redmatrix {
install_mariadb
get_mariadb_password
repair_databases_script
apt-get -y --force-yes install php5-common php5-cli php5-curl php5-gd php5-mysql php5-mcrypt git git
@ -3767,6 +3825,8 @@ quit" > $INSTALL_DIR/batch.sql
echo ' cp -f /var/backups/redmatrix_weekly.sql /var/backups/redmatrix_monthly.sql' >> /etc/cron.monthly/backupdatabasesmonthly
echo 'fi' >> /etc/cron.monthly/backupdatabasesmonthly
echo '/usr/bin/repairdatabase redmatrix' >> /etc/cron.hourly/repair
nginx_ensite $REDMATRIX_DOMAIN_NAME
service php5-fpm restart
service nginx restart