fix: migration script fails upon more than 1 file (#19)

Author: davidcheung

templates/.circleci/config.yml

@@ -254,7 +254,7 @@ jobs:
             SQL_DIR="${PWD}/database/migration"
             pushd kubernetes/migration
             kubectl -n $NAMESPACE delete configmap $MIGRATION_NAME || echo "no migration configmap existing for deletion" 
-            if [ -f ${SQL_DIR}/*.sql ] ; then
+            if [ `ls ${SQL_DIR}/*.sql 2>/dev/null | wc -l` -gt 0 ] ; then
                 kubectl -n $NAMESPACE create configmap      $MIGRATION_NAME --from-file ${SQL_DIR}/*.sql
             else
                 kubectl -n $NAMESPACE create configmap      $MIGRATION_NAME

templates/.github/actions/db-migration/action.yml

@@ -20,7 +20,7 @@ runs:
       kubectl -n $NAMESPACE delete configmap $MIGRATION_NAME || echo "no migration configmap existing for deletion"
       kubectl -n $NAMESPACE delete job $MIGRATION_NAME || echo "no migration job existing for deletion"
 
-      if [ -f ${SQL_DIR}/*.sql ] ; then
+      if [ `ls ${SQL_DIR}/*.sql 2>/dev/null | wc -l` -gt 0 ] ; then
         pushd kubernetes/migration
         kubectl -n $NAMESPACE delete configmap $MIGRATION_NAME || echo "no migration configmap existing for deletion"
         kubectl -n $NAMESPACE create configmap $MIGRATION_NAME --from-file ${SQL_DIR}/*.sql