Merge pull request #83 from kovtalex/master

adding ssl support

Author: fradelg

README.md

@@ -22,6 +22,7 @@ docker container run -d \
 - `MYSQL_PASS_FILE`: The file in container where to find the password of your mysql database (cf. docker secrets). You should use either MYSQL_PASS_FILE or MYSQL_PASS (see examples below).
 - `MYSQL_DATABASE`: The database name to dump. Default: `--all-databases`.
 - `MYSQLDUMP_OPTS`: Command line arguments to pass to mysqldump (see [mysqldump documentation](https://dev.mysql.com/doc/refman/8.0/en/mysqldump.html)).
+- `MYSQL_SSL_OPTS`: Command line arguments to use [SSL](https://dev.mysql.com/doc/refman/5.6/en/using-encrypted-connections.html).
 - `CRON_TIME`: The interval of cron job to run mysqldump. `0 3 * * sun` by default, which is every Sunday at 03:00. It uses UTC timezone.
 - `MAX_BACKUPS`: The number of backups to keep. When reaching the limit, the old backup will be discarded. No limit by default.
 - `INIT_BACKUP`: If set, create a backup when the container starts.

backup.sh

@@ -9,7 +9,7 @@
 
 DATE=$(date +%Y%m%d%H%M)
 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" $MYSQL_SSL_OPTS -e "SHOW DATABASES;" | tr -d "| " | grep -v Database)}}
 for db in ${DATABASES}
 do
   if  [[ "$db" != "information_schema" ]] \
@@ -21,7 +21,7 @@ do
     echo "==> Dumping database: $db"
     FILENAME=/backup/$DATE.$db.sql
     LATEST=/backup/latest.$db.sql
-    if mysqldump --single-transaction $MYSQLDUMP_OPTS -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" "$db" > "$FILENAME"
+    if mysqldump --single-transaction $MYSQLDUMP_OPTS -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" $MYSQL_SSL_OPTS "$db" > "$FILENAME"
     then
       EXT=
       if [ -z "${USE_PLAIN_SQL}" ]

restore.sh

@@ -30,7 +30,7 @@ fi
 
 echo "=> Restore database $DB_NAME from $1"
 
-if echo "$SQL" | mysql -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" "$DB_NAME"
+if echo "$SQL" | mysql -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" $MYSQL_SSL_OPTS "$DB_NAME"
 then
     echo "=> Restore succeeded"
 else