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Repair database is a separate command

This commit is contained in:
Bob Mottram 2015-12-11 15:06:52 +00:00
parent bafed779e3
commit abdc9b593f
3 changed files with 91 additions and 50 deletions
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man/freedombone-repair-database.1.gz Normal file
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src/freedombone
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@ -5569,61 +5569,18 @@ function backup_databases_script_header {
} }
function repair_databases_script { function repair_databases_script {
if [ -f /etc/cron.hourly/repair ]; then
sed -i "s|/usr/bin/repairdatabase|${PROJECT_NAME}-repair-database}|g" /etc/cron.hourly/repair
fi
if grep -Fxq "repair_databases_script" $COMPLETION_FILE; then if grep -Fxq "repair_databases_script" $COMPLETION_FILE; then
return return
fi fi
if [ ! -f $DATABASE_PASSWORD_FILE ]; then if [ ! -f $DATABASE_PASSWORD_FILE ]; then
return return
fi fi
echo '#!/bin/bash' > /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo 'DATABASE=$1' >> /usr/bin/repairdatabase
echo "EMAIL=$MY_EMAIL_ADDRESS" >> /usr/bin/repairdatabase
echo "BACKUP_TYPE='daily'" >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo 'if [ $2 ]; then' >> /usr/bin/repairdatabase
echo ' BACKUP_TYPE=$2' >> /usr/bin/repairdatabase
echo 'fi' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo -n 'MYSQL_ROOT_PASSWORD=$(cat ' >> /usr/bin/repairdatabase
echo "$DATABASE_PASSWORD_FILE)" >> /usr/bin/repairdatabase
echo 'TEMPFILE=/root/repairdatabase_$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}_${BACKUP_TYPE}.sql' >> /usr/bin/repairdatabase
echo '' >> /usr/bin/repairdatabase
echo ' # Send a warning email' >> /usr/bin/repairdatabase
echo ' echo "$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 '#!/bin/bash' > /etc/cron.hourly/repair
echo '' >> /etc/cron.hourly/repair echo '' >> /etc/cron.hourly/repair
chmod 600 /etc/cron.hourly/repair chmod 600 /etc/cron.hourly/repair
@ -7516,7 +7473,7 @@ quit" > $INSTALL_DIR/batch.sql
echo ' cp -f /var/backups/gnusocial_weekly.sql /var/backups/gnusocial_monthly.sql' >> /etc/cron.monthly/backupdatabasesmonthly echo ' cp -f /var/backups/gnusocial_weekly.sql /var/backups/gnusocial_monthly.sql' >> /etc/cron.monthly/backupdatabasesmonthly
echo 'fi' >> /etc/cron.monthly/backupdatabasesmonthly echo 'fi' >> /etc/cron.monthly/backupdatabasesmonthly
echo '/usr/bin/repairdatabase gnusocial' >> /etc/cron.hourly/repair echo "${PROJECT_NAME}-repair-database gnusocial" >> /etc/cron.hourly/repair
nginx_ensite $MICROBLOG_DOMAIN_NAME nginx_ensite $MICROBLOG_DOMAIN_NAME
service php5-fpm restart service php5-fpm restart
@ -7838,7 +7795,7 @@ quit" > $INSTALL_DIR/batch.sql
echo ' cp -f /var/backups/hubzilla_weekly.sql /var/backups/hubzilla_monthly.sql' >> /etc/cron.monthly/backupdatabasesmonthly echo ' cp -f /var/backups/hubzilla_weekly.sql /var/backups/hubzilla_monthly.sql' >> /etc/cron.monthly/backupdatabasesmonthly
echo 'fi' >> /etc/cron.monthly/backupdatabasesmonthly echo 'fi' >> /etc/cron.monthly/backupdatabasesmonthly
echo '/usr/bin/repairdatabase hubzilla' >> /etc/cron.hourly/repair echo "${PROJECT_NAME}-repair-database hubzilla" >> /etc/cron.hourly/repair
chown -R www-data:www-data /var/www/$HUBZILLA_DOMAIN_NAME/htdocs chown -R www-data:www-data /var/www/$HUBZILLA_DOMAIN_NAME/htdocs

84
src/freedombone-repair-database Executable file
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@ -0,0 +1,84 @@
#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Checks and repairs a given database
# License
# =======
#
# Copyright (C) 2015 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
PROJECT_NAME='freedombone'
COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
CONFIG_FILE=$HOME/${PROJECT_NAME}.cfg
export TEXTDOMAIN=${PROJECT_NAME}-repair-databases
export TEXTDOMAINDIR="/usr/share/locale"
# The database to be repaired
DATABASE=$1
ADMIN_USERNAME=$(cat $COMPLETION_FILE | grep "Admin user" | -nawk -F ':' '{print $2}')
ADMIN_EMAIL_ADDRESS=${ADMIN_USERNAME}@${HOSTNAME}
# Frequency - daily/weekly
BACKUP_TYPE='daily'
MYSQL_ROOT_PASSWORD=$(cat /root/dbpass)
TEMPFILE=/root/repairdatabase_$DATABASE
umask 0077
if [ $2 ]; then
BACKUP_TYPE=$2
fi
# check the database
mysqlcheck -c -u root --password="$MYSQL_ROOT_PASSWORD" $DATABASE > $TEMPFILE
# Attempt to repair the database if it contains errors
if grep -q "Error" "$TEMPFILE"; then
mysqlcheck -u root --password="$MYSQL_ROOT_PASSWORD" --auto-repair $DATABASE
else
# No errors were found, so exit
rm -f $TEMPFILE
exit 0
fi
rm -f $TEMPFILE
# Check the database again
mysqlcheck -c -u root --password="$MYSQL_ROOT_PASSWORD" $DATABASE > $TEMPFILE
# If it still contains errors then restore from backup
if grep -q "Error" "$TEMPFILE"; then
mysql -u root --password="$MYSQL_ROOT_PASSWORD" $DATABASE -o < /var/backups/${DATABASE}_${BACKUP_TYPE}.sql
# Send a warning email
echo $"$DATABASE database corruption could not be repaired. Restored from backup." | mail -s $"${PROJECT_NAME} database maintenance" $ADMIN_EMAIL_ADDRESS
rm -f $TEMPFILE
exit 1
fi
rm -f $TEMPFILE
exit 0