fix the problem of unbound variable in backup script (#608)

pingcap · Jun 30, 2019 · 25040b5 · 25040b5
1 parent b6da072
commit 25040b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/charts/tidb-backup/templates/scripts/_start_backup.sh.tpl b/charts/tidb-backup/templates/scripts/_start_backup.sh.tpl
@@ -28,7 +28,7 @@ fi
   --password=${TIDB_PASSWORD} \
   --long-query-guard=3600 \
   --tidb-force-priority=LOW_PRIORITY \
-  {{ .Values.backupOptions }} ${snapshot_args}
+  {{ .Values.backupOptions }} ${snapshot_args:-}
 
 echo "Reset TiKV GC life time to ${gc_life_time}"
 /usr/bin/mysql -h${host} -P4000 -u${TIDB_USER} -p${TIDB_PASSWORD} -Nse "update mysql.tidb set variable_value='${gc_life_time}' where variable_name='tikv_gc_life_time';"