add virtuoso custom scripts

bin/migrations/virtuoso/virtuso_grant_write_permission.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# Virtuoso database connection credentials
+DB_PORT=1111
+DB_USER="dba"
+DB_PASS="dba"
+VIRTUOSO_DIR=$1
+
+if [ "$#" -ne 1 ]; then
+  VIRTUOSO_DIR="/opt/virtuoso-opensource/"
+fi
+# Connect to Virtuoso using isql and grant EXECUTE permission
+echo "-- Granting EXECUTE permission on DB.DBA.SPARQL_INSERT_DICT_CONTENT..."
+
+$VIRTUOSO_DIR/bin/isql $DB_PORT $DB_USER $DB_PASS <<EOF
+GRANT EXECUTE ON DB.DBA.SPARQL_INSERT_DICT_CONTENT TO "SPARQL";
+EOF
+
+# Check if the operation was successful
+if [ $? -eq 0 ]; then
+  echo "Permission granted successfully."
+else
+  echo "Failed to grant permission."
+  exit 1
+fi
+
+# Optionally, grant the SPARQL_UPDATE role to the user for more permissions
+echo "-- Granting SPARQL_UPDATE role to 'SPARQL'..."
+$VIRTUOSO_DIR/bin/isql $DB_PORT $DB_USER $DB_PASS <<EOF
+GRANT SPARQL_UPDATE TO "SPARQL";
+EOF
+
+if [ $? -eq 0 ]; then
+  echo "SPARQL_UPDATE role granted successfully."
+else
+  echo "Failed to grant SPARQL_UPDATE role."
+  exit 1
+fi
+
+echo "-- Granting WRITE permission on all graphs to SPARQL user..."
+
+$VIRTUOSO_DIR/bin/isql $DB_PORT $DB_USER $DB_PASS <<EOF
+DB.DBA.RDF_DEFAULT_USER_PERMS_SET ('nobody', 7);
+EOF
+
+# Check if the operation was successful
+if [ $? -eq 0 ]; then
+  echo "WRITE permission granted successfully to SPARQL on all graphs."
+else
+  echo "Failed to grant WRITE permission."
+  exit 1
+fi
+
+# Restart Virtuoso to apply changes
+echo "-- Restarting Virtuoso server to apply changes..."
+$VIRTUOSO_DIR/bin/virtuoso-t +wait
+
+echo "Permission changes applied and Virtuoso restarted."