137 lines
4.4 KiB
Bash
Executable file
137 lines
4.4 KiB
Bash
Executable file
#!/bin/bash
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delete_mysql_database() {
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echo "Deleting MySQL database \"$DB_NAME\" and user \"$DB_USER\"..."
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# Elimina la base de datos si existe
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MYSQL_PWD="$DB_ADMIN_PASS" mysql -u "$DB_ADMIN" -h "$DB_HOST" -P "$DB_PORT" -e \
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"DROP DATABASE IF EXISTS $DB_NAME;"
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[ $? -ne 0 ] && { echo "Error deleting database \"$DB_NAME\"."; return 1; }
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# Elimina el usuario si existe
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MYSQL_PWD="$DB_ADMIN_PASS" mysql -u "$DB_ADMIN" -h "$DB_HOST" -P "$DB_PORT" -e \
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"DROP USER IF EXISTS '$DB_USER'@'$DB_HOST'; FLUSH PRIVILEGES;"
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[ $? -ne 0 ] && { echo "Error deleting user \"$DB_USER\"."; return 1; }
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return 0
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}
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delete_psql_database() {
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echo "Deleting PostgreSQL database \"$DB_NAME\" and user \"$DB_USER\"..."
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# Elimina la base de datos si existe
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PGPASSWORD="$DB_ADMIN_PASS" psql -U "$DB_ADMIN" -h "$DB_HOST" -p "$DB_PORT" -c \
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"DROP DATABASE IF EXISTS $DB_NAME;"
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[ $? -ne 0 ] && { echo "Error deleting database \"$DB_NAME\"."; return 1; }
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# Elimina el usuario si existe
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PGPASSWORD="$DB_ADMIN_PASS" psql -U "$DB_ADMIN" -h "$DB_HOST" -p "$DB_PORT" -c \
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"DROP ROLE IF EXISTS $DB_USER;"
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[ $? -ne 0 ] && { echo "Error deleting user \"$DB_USER\"."; return 1; }
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return 0
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}
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delete_sqlite_database() {
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echo "Deleting SQLite database \"$DB_NAME\"..."
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if [ -f "$DB_NAME" ]; then
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rm "$DB_NAME"
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if [ $? -ne 0 ]; then
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echo "Error deleting SQLite database \"$DB_NAME\"."
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return 1
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fi
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else
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echo "SQLite database \"$DB_NAME\" does not exist."
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return 1
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fi
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return 0
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}
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setup_database_deletion() {
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case "$DB_SYSTEM" in
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mysql) delete_mysql_database ;;
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psql) delete_psql_database ;;
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sqlite) delete_sqlite_database ;;
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*) echo "Invalid system selected."; exit 1 ;;
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esac
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}
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# Configuración inicial
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read -p "Which database system are you using? (mysql/psql/sqlite): " DB_SYSTEM
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# Verifica si el sistema de base de datos está instalado
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ERROR_DB_NOT_INSTALLED="is not installed or not found in PATH. Please install it."
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if [ "$DB_SYSTEM" == "mysql" ]; then
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command -v mysql &>/dev/null || { echo "MySQL $ERROR_DB_NOT_INSTALLED"; exit 1; }
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elif [ "$DB_SYSTEM" == "psql" ]; then
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command -v psql &>/dev/null || { echo "PostgreSQL $ERROR_DB_NOT_INSTALLED"; exit 1; }
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elif [ "$DB_SYSTEM" == "sqlite" ]; then
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command -v sqlite3 &>/dev/null || { echo "SQLite $ERROR_DB_NOT_INSTALLED"; exit 1; }
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else
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echo "Invalid database system. Please choose either 'mysql', 'psql', or 'sqlite'."
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exit 1
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fi
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# Parámetros básicos
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DEFAULT_DB_NAME="drust"
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DEFAULT_DB_USER="drust"
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DEFAULT_DB_HOST="localhost"
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DEFAULT_DB_PORT=""
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DEFAULT_DB_ADMIN="root"
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echo
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echo "You will be prompted to provide details for deleting database."
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echo "Press ENTER to accept the default values."
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echo
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read -p "Enter database name to delete [$DEFAULT_DB_NAME]: " DB_NAME
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DB_NAME=${DB_NAME:-$DEFAULT_DB_NAME}
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if [[ -z "$DB_NAME" || ! "$DB_NAME" =~ ^[a-zA-Z0-9_\-]+$ ]]; then
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echo "Invalid database name. Use only alphanumeric characters, dashes, or underscores."
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exit 1
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fi
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if [ "$DB_SYSTEM" == "sqlite" ]; then
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# Verifica si el archivo tiene una extensión válida para SQLite
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[[ "$DB_NAME" != *".sqlite" && "$DB_NAME" != *".db" ]] && DB_NAME="$DB_NAME.sqlite"
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else
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read -p "Enter database user to delete [$DEFAULT_DB_USER]: " DB_USER
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DB_USER=${DB_USER:-$DEFAULT_DB_USER}
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read -p "Enter database host [$DEFAULT_DB_HOST]: " DB_HOST
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DB_HOST=${DB_HOST:-$DEFAULT_DB_HOST}
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# Puerto por defecto para MySQL
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[ "$DB_SYSTEM" == "mysql" ] && DEFAULT_DB_PORT="3306"
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# Puerto por defecto para PostgreSQL
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[ "$DB_SYSTEM" == "psql" ] && DEFAULT_DB_PORT="5432"
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read -p "Enter database port [$DEFAULT_DB_PORT]: " DB_PORT
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DB_PORT=${DB_PORT:-$DEFAULT_DB_PORT}
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read -p "Enter $DB_SYSTEM admin user [$DEFAULT_DB_ADMIN]: " DB_ADMIN
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DB_ADMIN=${DB_ADMIN:-$DEFAULT_DB_ADMIN}
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read -sp "Enter $DB_SYSTEM admin password: " DB_ADMIN_PASS
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echo
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fi
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# Confirmar antes de proceder
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echo
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echo "You are about to delete the database \"$DB_NAME\" and user \"$DB_USER\"."
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read -p "Are you sure you want to proceed? (y/N): " confirm
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if [[ ! "$confirm" =~ ^[Yy]$ ]]; then
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echo "Operation cancelled."
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exit 1
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fi
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setup_database_deletion
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if [ $? -eq 0 ]; then
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echo "Database and user deleted successfully."
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exit 0
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else
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echo "An error occurred during database deletion."
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exit 1
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fi
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