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#!/bin/bash
# Setup environment for the backups website
function hydra_backup_environment_local_website {
NODE="$1"
SITE="$2"
BACKUPDIR="/var/sites/backups/site/$SITE/$NODE"
if [ -z "$SITE" ] || [ -z "$NODE" ]; then
hydra_action_usage
exit 1
fi
if [ ! -z "$DATE" ]; then
RESTOREDIR="$BACKUPDIR/$DATE"
else
RESTOREDIR="$BACKUPDIR/`date +%Y%m%d`"
fi
DB_DUMP_BASE="$RESTOREDIR"
mkdir -p $RESTOREDIR
}
# Setup environment for backup restored from localhost
function hydra_backup_environment_local {
BACKUPDIR="/var/backups/duplicity"
if [ ! -z "$DATE" ]; then
RESTOREDIR="/var/backups/restore/$DATE"
else
RESTOREDIR="/var/backups/restore/`date +%Y%m%d`"
fi
DB_DUMP_BASE="$RESTOREDIR/var/backups/mysql/sqldump/"
mkdir -p $RESTOREDIR
}
# Setup environment for backup restored from remote source
function hydra_backup_environment_remote {
NODE="$1"
METHOD="$2"
BACKUP_ROOT="/var/backups/remote"
DOMAIN="`facter domain`"
BACKUPDIR="$BACKUP_ROOT/$NODE.$DOMAIN"
if [ ! -z "$DATE" ]; then
RESTOREDIR="$BACKUPDIR/restore/$DATE"
else
RESTOREDIR="$BACKUPDIR/restore/`date +%Y%m%d`"
fi
if [ -z "$NODE" ]; then
hydra_action_usage
exit 1
fi
if [ ! -d "$BACKUPDIR" ]; then
echo "No backup found at $BACKUPDIR"
exit 1
fi
if [ -z "$METHOD" ]; then
if [ -d "$BACKUPDIR/rsync" ]; then
echo "Assuming rsync backup method"
BACKUPDIR="$BACKUPDIR/rsync/var/backups/duplicity/daily.1"
elif [ -d "$BACKUPDIR/rdiff" ]; then
echo "Assuming rdiff backup method"
BACKUPDIR="$BACKUPDIR/rdiff/var/backups/duplicity"
else
echo "Missing backup action"
exit 1
fi
else
if [ -d "$BACKUPDIR/$METHOD" ]; then
BACKUPDIR="$BACKUPDIR/$METHOD"
else
echo "Backup folder for $METHOD not found at $BACKUPDIR"
exit 1
fi
fi
if [ -d "$RESTOREDIR" ] && [ "$METHOD" != "restore" ]; then
echo "Restoration folder $RESTOREDIR already exists"
exit 1
fi
DB_DUMP_BASE="$RESTOREDIR/var/backups/mysql/sqldump/"
mkdir -p $RESTOREDIR
}
# Setup environment for the backups for a service
function hydra_backup_environment_service {
# Check restore strategy.
if [ "$HOST" == "localhost" ] || [ "$HOST" == "`facter hostname`" ]; then
hydra_backup_environment_local
else
hydra_backup_environment_remote $HOST restore
fi
# Check if folder exist on the backup.
if [ ! -d "$RESTOREDIR/$SERVICE_DIR" ]; then
echo "Service folder does not exist: $RESTOREDIR/$SERVICE_DIR"
exit 1
fi
# Set user.
if hydra_check_user $SERVICE_USER; then
SERVICE_USER="$SERVICE_USER"
else
SERVICE_USER="root"
fi
# Set group.
if hydra_check_group $SERVICE_GROUP; then
SERVICE_GROUP="$SERVICE_GROUP"
else
SERVICE_GROUP="root"
fi
# TODO: Backup it?
#hydractl backup-$SERVICE
}
# Restore a database
function hydra_backup_restore_database {
DATABASE="$1"
if [ -z "$DATABASE" ]; then
return
fi
# Check if there are database dumps
if [ -f "$DB_DUMP_BASE/$DATABASE.sql.gz" ]; then
DB_DUMP_EXT=".gz"
DB_DUMP_EXTRACT="gunzip"
elif [ -f "$DB_DUMP_BASE/$DATABASE.sql.bz2" ]; then
DB_DUMP_EXT=".bz2"
DB_DUMP_EXTRACT="bunzip2"
elif [ -f "$DB_DUMP_BASE/$DATABASE.sql" ]; then
DB_DUMP_EXT=""
DB_DUMP_EXTRACT="true"
fi
# Restore database
if [ ! -z "$DB_DUMP_EXT" ]; then
echo "Restoring database $DATABASE..."
hydra_set_tmpfile $DATABASE -d
cp $DB_DUMP_BASE/$DATABASE.sql$DB_DUMP_EXT $TMPWORK
( cd $TMPWORK && $DB_DUMP_EXTRACT $DATABASE.sql$DB_DUMP_EXT )
hydra_truncate_database $DATABASE
mysql $DATABASE < $TMPWORK/$DATABASE.sql
hydra_unset_tmpfile $TMPWORK
else
echo "Database should be manually restored"
fi
}
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