core: 重构，拆分方法

trans.sh

@@ -1080,16 +1080,16 @@ disable_selinux_kdump() {
     rm -rf $os_dir/etc/systemd/system/multi-user.target.wants/kdump.service
 }
 
-install_cloud_image() {
+download_qcow() {
     apk add qemu-img lsblk
 
     mkdir -p /installer
     mount /dev/disk/by-label/installer /installer
     qcow_file=/installer/cloud_image.qcow2
     download $img $qcow_file
+}
 
-    # centos/alma/rocky cloud image系统分区是8~9g xfs，而我们的目标是能在5g硬盘上运行，因此改成复制系统文件
-    if [ "$distro" = "centos" ] || [ "$distro" = "alma" ] || [ "$distro" = "rocky" ]; then
+install_qcow_el() {
     yum() {
         if [ "$releasever" = 7 ]; then
             chroot /os/ yum -y --disablerepo=* --enablerepo=base,updates "$@"
@@ -1260,9 +1260,9 @@ EOF
     swapoff -a
     umount /installer
     parted /dev/$xda -s rm 3
+}
 
-    else
-        # debian ubuntu arch opensuse gentoo
+dd_qcow() {
     if true; then
         modprobe nbd
         qemu_nbd -c /dev/nbd0 $qcow_file
@@ -1342,6 +1342,9 @@ EOF
     dd if=/first-1M of=/dev/$xda
     update_part /dev/$xda
 
+}
+
+resize_after_install_cloud_image() {
     # 提前扩容
     # 1 修复 vultr 512m debian 10/11 generic/genericcloud 首次启动 kernel panic
     # 2 修复 gentoo websync 时空间不足
@@ -1361,12 +1364,9 @@ EOF
             fi
         fi
     fi
-
-        modify_dd_os
-    fi
 }
 
-mount_part() {
+mount_part_for_install_mode() {
     # 挂载主分区
     mkdir -p /os
     mount /dev/disk/by-label/os /os
@@ -1866,21 +1866,39 @@ if [ "$distro" != "alpine" ]; then
     setup_nginx_if_enough_ram
 fi
 
-# shellcheck disable=SC2154
+# dd qemu 切换成云镜像模式，暂时没用到
+if [ "$distro" = "dd" ] && [ "$img_type" = "qemu" ]; then
+    cloud_image=1
+fi
+
 if [ "$distro" = "alpine" ]; then
     install_alpine
-elif [ "$distro" = "dd" ]; then
-    install_dd
+elif [ "$distro" = "dd" ] && [ "$img_type" != "qemu" ]; then
+    dd_gzip_xz
+    modify_os_on_disk
 elif is_use_cloud_image; then
-    if [ "$img_type" = "xz" ] || [ "$img_type" = "gzip" ]; then
-        install_cloud_image_by_dd
-    else
+    if [ "$img_type" = "qemu" ]; then
         create_part
-        install_cloud_image
+        download_qcow
+        # 这几个系统云镜像系统盘是8~9g xfs，而我们的目标是能在5g硬盘上运行，因此改成复制系统文件
+        if [ "$distro" = centos ] || [ "$distro" = alma ] || [ "$distro" = rocky ]; then
+            install_qcow_el
+        else
+            # debian ubuntu fedora opensuse arch gentoo
+            dd_qcow
+            resize_after_install_cloud_image
+            modify_os_on_disk
         fi
     else
+        # gzip xz 格式的云镜像，暂时没用到
+        dd_gzip_xz
+        resize_after_install_cloud_image
+        modify_os_on_disk
+    fi
+else
+    # 安装模式: windows windows ubuntu 红帽
     create_part
-    mount_part
+    mount_part_for_install_mode
     if [ "$distro" = "windows" ]; then
         install_windows
     else