entrypoint

entrypoint.sh

@@ -26,13 +26,18 @@ backup () {
     test -z "${MYSQL_PASS}" || ( echo "Setting [MYSQL_PASS] environment variable is insecure, use passwordfile [/password] instead"; PASS="${MYSQL_PASS}" ) 
     test -f /password && PASS="$(cat /password)"
 
-    unset MYSQL_HOST MYSQL_PORT MYSQL_USER MYSQL_PASS
+    test -n "${MYSQL_FILE}" && BACKUP_PREFIX="${MYSQL_FILE}" || BACKUP_PREFIX="${HOST}_${PORT}"
+
+    unset MYSQL_HOST MYSQL_PORT MYSQL_USER MYSQL_PASS MYSQL_FILE
 
     # Create final Backup Directory
-    mkdir -p "${BACKUPDIR}"
+    test -d "${BACKUPDIR}" || ( echo "There might be an error: no final backup dir. Will create one..."; mkdir -p "${BACKUPDIR}" )
+    test -w "${BACKUPDIR}" || ( echo "There might be an error: no write access to final backup dir. Will change rights..."; chmod -Rc u+w "${BACKUPDIR}" )
 
     # Create temp Backup Directory
     TEMPDIR="${BACKUPDIR}/.${NOW}"
+    test -d "${TEMPDIR}" || mkdir -p "${TEMPDIR}"
+    test -w "${TEMPDIR}" || ( echo "There might be an error: no write access to temp backup dir. Will change rights..."; chmod -Rc u+w "${TEMPDIR}" )
 
     # Create temp Backup Config
     CONFIG="$(mktemp)"
@@ -61,11 +66,13 @@ backup () {
 
     # ZIP BACKUP #
     cd $TEMPDIR
-    tar -zcvf ${HOST}_${PORT}-${NOW}.tar.gz *.sql
+    tar -zcvf ${BACKUP_PREFIX}-${NOW}.tar.gz *.sql
+    echo "---"
+    du -h ${BACKUP_PREFIX}-${NOW}.tar.gz
     cd - > /dev/null
 
     # MOVE BACKUP TO BACKUP DIR #
-    mv -f ${TEMPDIR}/${HOST}_${PORT}-${NOW}.tar.gz "${BACKUPDIR}"
+    mv -f ${TEMPDIR}/${BACKUP_PREFIX}-${NOW}.tar.gz "${BACKUPDIR}"
 
     # CLEANUP #
     rm -rf ${TEMPDIR}