fix23

tms-mysql.install

@@ -87,8 +87,6 @@ post_remove() {
     echo "Reloading systemd daemon..."
     systemctl daemon-reload
 
-    # 如果是完全卸载 (即 $1 为 0)，则清理用户、组和数据目录
-    if [ "${remove_type}" -eq 0 ]; then
     echo "Performing full uninstallation cleanup..."
 
     rm -rf /usr/local/mysql-5.6.47-linux-glibc2.12-x86_64
@@ -114,7 +112,54 @@ post_remove() {
     echo "Removing PATH configuration script '/etc/profile.d/mysql.sh'..."
     rm -f /etc/profile.d/mysql.sh
     echo "Full uninstallation cleanup complete."
-    else # remove_type is 1 (upgrade)
-        echo "MySQL package upgraded. Data directory and user/group are retained."
-    fi
+
+}
+
+
+
+pre_upgrade() {
+    echo "Stopping MySQL service before removal..."
+    systemctl stop "${mysql_service}"
+
+    # 警告用户数据目录将被删除
+    echo "WARNING: This will remove the MySQL data directory '${mysql_data_dir}' and all its data."
+    echo "Removing MySQL data directory '${mysql_data_dir}'..."
+    rm -rf "${mysql_data_dir}"
+
+    echo "Remove the MySQL data directory complete."
+}
+
+
+post_upgrade() {
+
+    # 创建数据目录并设置权限
+    if [ ! -d "${mysql_data_dir}" ]; then
+        echo "Creating MySQL data directory '${mysql_data_dir}'..."
+        mkdir -p "${mysql_data_dir}"
+        chown "${mysql_user}":"${mysql_group}" "${mysql_data_dir}"
+        chmod 0750 "${mysql_data_dir}"
+    fi
+
+    local timeout=60 # 等待 MySQL 启动的超时时间
+
+    echo "Setting ownership for MySQL data directory '${mysql_data_dir}' to ${mysql_user}:${mysql_group}..."
+    chown -R "${mysql_user}":"${mysql_group}" "${mysql_data_dir}"
+
+    echo "Starting MySQL service..."
+    systemctl start "${mysql_service}"
+
+    echo "Waiting for MySQL server to start (up to ${timeout} seconds)..."
+    for i in $(seq 1 "${timeout}"); do
+        "${mysql_install_dir}/bin/mysqladmin" ping -h 127.0.0.1 -P 3306 &>/dev/null && break
+        sleep 1
+    done
+
+    if ! "${mysql_install_dir}/bin/mysqladmin" ping -h 127.0.0.1 -P 3306 &>/dev/null; then
+        echo "Warning: MySQL server did not start in time. Please check system logs for '${mysql_service}'." >&2
+        # 不再强制退出，因为数据库已预初始化，服务启动失败可能是其他配置问题
+    else
+        echo "MySQL server is running."
+    fi
+
+    echo "SmartTMS MySQL installation/upgrade complete."
 }