树莓派Ubuntu Server Cloud-init 初始化

前提条件：镜像烧录到硬盘中

网络配置(network-config)

version: 2
ethernets:
  eth0:
    dhcp4: true
    optional: true

wifis:
  wlan0:
    dhcp4: true
    optional: true
    access-points:
      "你的wifi名称":
        password: "你的wifi密码"

其他配置(user-data)

#cloud-config

# 修改登录用户密码
chpasswd:
  expire: false
  list:
    - ubuntu:123456

# ssh密码登录配置
ssh_pwauth: true

# 配置ntp服务器
ntp:
  enable: true
  servers:
    - ntp2.aliyun.com

# 配置时区
timezone: Asia/Shanghai

# 配置apt的sources.list
apt:
  preserve_sources_list: false
  sources_list: |
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE main restricted
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE-updates main restricted
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE universe
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE-updates universe
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE multiverse
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE-updates multiverse
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE-backports main restricted universe multiverse
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE-security main restricted
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE-security universe
    deb https://mirrors.aliyun.com/ubuntu-ports $RELEASE-security multiverse

# 更新系统
package_update: true
package_upgrade: true

# 写文件
write_files:
  # 配置 swappiness
  - owner: root:root
    content: vm.swappiness=60
    path: /etc/sysctl.d/10-swappiness.conf
    permissions: '0644'

# 配置交换文件: 2Gib
swap:
    filename: /swap.img
    size: 2147483648
    maxsize: 2147483648

不知道如何在user-data中配置swap交换分区，知道的请留言给我，谢谢！！！