core: 放置 cloud-init 配置时，删除注释

cloud-init.yaml

@@ -0,0 +1,25 @@
+#cloud-config
+datasource_list: [NoCloud]
+timezone: Asia/Shanghai
+disable_root: false
+ssh_pwauth: true
+users:
+  - name: root
+    lock_passwd: false
+chpasswd:
+  expire: false
+  # 20.04 arm 需要
+  list: |
+    root:123@@@
+  users:
+    - name: root
+      password: 123@@@
+      type: text
+runcmd:
+  # arch 没有 /etc/ssh/sshd_config.d/ 文件夹
+  # opensuse tumbleweed 有 /etc/ssh/sshd_config.d/ 文件夹，但没有 /etc/ssh/sshd_config，但有/usr/etc/ssh/sshd_config
+  - grep 'Include.*/etc/ssh/sshd_config.d' /etc/sshd_config && echo "PermitRootLogin yes" >/etc/ssh/sshd_config.d/01-permitrootlogin.conf || echo "PermitRootLogin yes" >>/etc/ssh/sshd_config
+  - systemctl restart sshd
+  - touch /etc/cloud/cloud-init.disabled
+  # ubuntu 镜像运行 echo -e '\nDone' ，-e 会被显示出来
+  - printf '\n%s\n' 'done' >/dev/console