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Merge pull request #18 from mmartinortiz/fix-symlink

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Fix symlink && increased verbosity
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Fco. Javier Delgado del Hoyo 2018-11-13 21:55:44 +01:00 committed by GitHub
commit 6fdc59d957
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1 changed files with 8 additions and 6 deletions
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14
backup.sh
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@ -3,20 +3,21 @@
[ -z "${MYSQL_PASS:=$MYSQL_PASSWORD}" ] && { echo "=> MYSQL_PASS cannot be empty" && exit 1; } [ -z "${MYSQL_PASS:=$MYSQL_PASSWORD}" ] && { echo "=> MYSQL_PASS cannot be empty" && exit 1; }
DATE=$(date +%Y%m%d%H%M) DATE=$(date +%Y%m%d%H%M)
echo "=> Backup started at $DATE" echo "=> Backup started at $(date "+%Y-%m-%d %H:%M:%S")"
databases=${MYSQL_DATABASE:-${MYSQL_DB:-$(mysql -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" -e "SHOW DATABASES;" | tr -d "| " | grep -v Database)}} databases=${MYSQL_DATABASE:-${MYSQL_DB:-$(mysql -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" -e "SHOW DATABASES;" | tr -d "| " | grep -v Database)}}
for db in $databases for db in $databases
do do
if [[ "$db" != "information_schema" ]] && [[ "$db" != "performance_schema" ]] && [[ "$db" != "mysql" ]] && [[ "$db" != _* ]] if [[ "$db" != "information_schema" ]] && [[ "$db" != "performance_schema" ]] && [[ "$db" != "mysql" ]] && [[ "$db" != _* ]]
then then
echo "Dumping database: $db" echo "==> Dumping database: $db"
FILENAME=/backup/$DATE.$db.sql FILENAME=/backup/$DATE.$db.sql
LATEST=/backup/latest.$db.sql.gz LATEST=/backup/latest.$db.sql.gz
if mysqldump -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" --databases "$db" "$MYSQLDUMP_OPTS" > "$FILENAME" if mysqldump -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" --databases "$db" $MYSQLDUMP_OPTS > "$FILENAME"
then then
gzip -f "$FILENAME" gzip -f "$FILENAME"
echo "==> Creating symlink to latest backup: $(basename "$FILENAME".gz)"
rm "$LATEST" 2> /dev/null rm "$LATEST" 2> /dev/null
ln -s "$FILENAME" "$LATEST" cd backup && ln -s $(basename "$FILENAME".gz) $(basename "$LATEST") && cd ..
else else
rm -rf "$FILENAME" rm -rf "$FILENAME"
fi fi
@ -25,12 +26,13 @@ done
if [ -n "$MAX_BACKUPS" ] if [ -n "$MAX_BACKUPS" ]
then then
echo "=> Max number of backups ("$MAX_BACKUPS") reached. Deleting oldest backups"
while [ "$(find /backup -maxdepth 1 -name "*.sql.gz" -type f | wc -l)" -gt "$MAX_BACKUPS" ] while [ "$(find /backup -maxdepth 1 -name "*.sql.gz" -type f | wc -l)" -gt "$MAX_BACKUPS" ]
do do
TARGET=$(find /backup -maxdepth 1 -name "*.sql.gz" -type f | sort | head -n 1) TARGET=$(find /backup -maxdepth 1 -name "*.sql.gz" -type f | sort | head -n 1)
echo "Backup $TARGET is deleted"
rm -rf "$TARGET" rm -rf "$TARGET"
echo "==> Backup $TARGET has been deleted"
done done
fi fi
echo "=> Backup done" echo "=> Backup process finished at echo $(date "+%Y-%m-%d %H:%M:%S")"