使用Packer为KVM QEMU自动化构建CentOS 8 虚拟机映像

野性酷女 2023-10-01 10:50 124阅读 0赞

由于CentOS 8上没有找到/usr/bin/qemu-system-x86\_64

可以使用Debian 11或OpenSUSE 15.3

如下是使用Debian 11上运行qemu

{
        "variables":
        {
          "cpu": "2",
          "ram": "2048",
          "name": "centos",
          "disk_size": "40000",
          "version": "8-stream",
          "iso_checksum_type": "sha256",
          "iso_checksum": "5d61940668bc5e40d1c974e42d39f048",
          "iso_url": "/root/CentOS-Stream-8-x86_64-20211206-dvd1.iso",
          "headless": "false",
          "config_file": "ks.cfg",
          "ssh_username": "packer",
          "ssh_password": "packer",
          "destination_server": "download.goffinet.org"
        },
      "builders": [
        {  
          "name": "{
       {user `name`}}{
       {user `version`}}",
          "type": "qemu",
          "format": "qcow2",
          "accelerator": "kvm",
          "qemu_binary": "/usr/bin/qemu-system-x86_64",
          "net_device": "virtio-net",
          "disk_interface": "virtio",
          "disk_cache": "none",
          "qemuargs": [[ "-m", "{
       {user `ram`}}M" ],[ "-smp", "{
       {user `cpu`}}" ]],
          "ssh_wait_timeout": "3000h",
          "http_directory": "http",
          "ssh_username": "{
       {user `ssh_username`}}",
          "ssh_password": "{
       {user `ssh_password`}}",
          "iso_url": "{
       {user `iso_url`}}",
          "iso_checksum": "{
       {user `iso_checksum`}}",
          "boot_wait": "40s",
          "boot_command": [
            "<up><wait><tab><wait> net.ifnames=0 biosdevname=0 text ks=http://{
       { .HTTPIP }}:{
       { .HTTPPort }}/{
       {user `config_file`}}<enter><wait>"
          ],
          "disk_size": "{
       {user `disk_size`}}",
          "disk_discard": "unmap",
          "disk_compression": true,
          "headless": "{
       {user `headless`}}",
          "shutdown_command": "shutdown -h now",
          "output_directory": "artifacts/qemu/{
       {user `name`}}{
       {user `version`}}"
        }
      ],
      "provisioners": [
        {
          "type": "shell",
          "execute_command": "echo 'packer'|{
       {.Vars}} sudo -S -E bash '{
       {.Path}}'",
          "inline": [
            "dnf -y update"
          ]
        }
      ]
    }

ks.cfg

#version=RHEL8
    # Use graphical install
    graphical
    
    repo --name="AppStream" --baseurl=file:///run/install/sources/mount-0000-cdrom/AppStream
    
    %packages
    @^minimal-environment
    kexec-tools
    
    %end
    
    # Keyboard layouts
    keyboard --xlayouts='cn'
    # System language
    lang zh_CN.UTF-8
    
    # Network information
    network  --hostname=localhost.localdomain
    
    # Use CDROM installation media
    cdrom
    
    # Run the Setup Agent on first boot
    firstboot --enable
    
    # System bootloader configuration
    bootloader --location=mbr --append="crashkernel=no"
    # Clear the Master Boot Record
    zerombr
    # Remove partitions
    clearpart --all --initlabel
    # Automatically create partitions using LVM
    autopart --type=lvm
    
    
    reboot --eject
    
    # System timezone
    timezone Asia/Shanghai --isUtc
    
    network --device ens160 --onboot yes --bootproto dhcp --activate --noipv6 --hostname=CentOS8Packer
    
    # Root password
    rootpw --iscrypted $6$qC9lB22EyX3vb0wO$z/XXG4NZvVMz1wEFNfwYig9t0sYhzFMIfXkNfNAoBqxjfCY1USH2POrBnowaIC5w5QG0oYFnW3Ml6Ker/718y1
    user --groups=wheel --name=packer --password=$6$AFD79/F4mP11CTLX$YgD6rTSaDj/kI0OIe22JhrlhYkBxMuut3phOGjQVx6IAtYrwGiVMAkEIY7HNWIiwi3r1JxZRlYJZ8vqJUtkZN0 --iscrypted --gecos="packer"
    
    %addon com_redhat_kdump --enable --reserve-mb='auto'
    
    %end
    
    %anaconda
    pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty
    pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok
    pwpolicy luks --minlen=6 --minquality=1 --notstrict --nochanges --notempty
    %end

输出：

![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16][]

![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 1][]

![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 2][]

![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 3][]

![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 4][]

[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/b6da465c79744e03a0d46138367f8a56.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAYWxsd2F5Mg==,size_20,color_FFFFFF,t_70,g_se,x_16
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 1]: https://img-blog.csdnimg.cn/bc4514fcbeab4b25b4a1cb7c7bf28548.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAYWxsd2F5Mg==,size_20,color_FFFFFF,t_70,g_se,x_16
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 2]: https://img-blog.csdnimg.cn/768d2b5f45e2472bbc4908d41f1d8b0d.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAYWxsd2F5Mg==,size_20,color_FFFFFF,t_70,g_se,x_16
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 3]: https://img-blog.csdnimg.cn/2113f775a7bf4096a5746536f542449f.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAYWxsd2F5Mg==,size_20,color_FFFFFF,t_70,g_se,x_16
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBAYWxsd2F5Mg_size_20_color_FFFFFF_t_70_g_se_x_16 4]: https://img-blog.csdnimg.cn/4c9a5587126a4d859ddd3d3ad97fadc6.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBAYWxsd2F5Mg==,size_20,color_FFFFFF,t_70,g_se,x_16