運維自動化之系統安裝-應答文件製作並結合ftp和http完成半自動安裝

應答文件的製作方式:

        cat /root/anaconda-ks.cfg   參考模板進行製作
        yum install system-config-kickstart     使用圖形工具進行製作
        system-config-kickstart     啓動工具進行設置
        centos6:將應答文件放到共享網絡訪問中以便進行系統的安裝
        依靠光盤和應答文件的半自動化安裝:
    (1)搭建存放應答文件的共享服務    在額外機器上
                yum install vsftpd
                systemctl start vsftpd
                cp ks.cfg /var/ftp/pub/ks6-mini.cfg
                vim /var/ftp/pub/ks6-mini.cfg   應答文件模板

                    #platform=x86, AMD64, or Intel EM64T
                    #version=DEVEL
                    #Firewall configuration
                            firewall --disabled
                    #Install OS instead of upgrade
                            install
                    #Use network installation
                            url --url="http://mirrors.aliyun.com/centos/6/os/x86_64/"
                    #Root password
                            rootpw --iscrypted $1$pJZ2W0AP$nFQbRMMdRE1/YO4ddglBi0
                    #System authorization information
                            auth  --useshadow  --passalgo=sha512
                    #Use text mode install
                            text
                            firstboot --disable
                    #System keyboard
                            keyboard us
                    #System language
                            lang en_US
                    #SELinux configuration
                            selinux --disabled
                    #Installation logging level
                            logging --level=info
                    #Reboot after installation
                            reboot
                    #System timezone
                            timezone  Asia/Shanghai
                    #Network information
                            network  --bootproto=dhcp --device=eth0 --onboot=on 
                    #System bootloader configuration
                            bootloader --location=mbr
                    #Clear the Master Boot Record
                            zerombr
                    #Partition clearing information
                            clearpart --all --initlabel 
                    #Disk partitioning information
                            part / --fstype="ext4" --size=10240
                            part /boot --fstype="ext4" --size=500
                            part swap --fstype="swap" --size=1024
                    %post
                                mkdir /root/.ssh/
                                cat > /root/.ssh/authorized_keys <<EOF
                                ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAruUSGJQ6UYn45lD0TRifnqYzy5izR6Eskjk0DV25Eplc7TDHqKH/98WatoN3l0zyM+v9IWxlg2HCaLdm0dreRVu7YP6q0NO9yyu+dgsasTVNdrNJi5B3qRhpLvboSbltVqdC9eT7txmCp7ZMcUH1YqcPSRnf/DulaeIJYmtivHG68X0WGPgTPcGSZ1ujXs6Ho/v8i+3bPnZ+w+KMMI9ajCCzoG9mV7+zshAQ6hdlMaKbosabYcDXCZJ4Q5EUtpjap0nK6nKsVi6TPU+o7GlD1UJF4qUXNGmcP79erp+TxCVEujgA3JP0TdgYXVu4fDw8rppNfxVejd+Kt00yxlMZEw== [email protected]
                                EOF
                                chmod 600 /root/.ssh/authorized_keys
                                cat > /etc/yum.repos.d/base.repo <<EOF
                                [hello]
                                name=base_centos6
                                baseurl=https://mirrors.aliyun.com/centos/6/os/x86_64/
                                gpgcheck=0
                                EOF
                                useradd wang
                                echo 123789|passwd --stdin wang &> /dev/null
                                %end
                                %packages
                                @core
                                @server-policy
                                @workstation-policy
                                vim-enhanced
                                lrzsz
                                %end
    (2)應答文件見linux資料的pxe資料中
    (3)創建虛擬機,設置網絡模式
    (4)按ESC,進入光盤啓動界面
    (5)按TAB鍵,進入選項設置界面
    (6)添加選項
            ks=ftp://192.168.43.60/pub/ks6-mini.cfg  ip=192.168.43.52  netmask=255.255.255.0
            centos7:將ks文件和iso鏡像倉庫共享到同一個httpd服務目錄下以安裝系統
            使用system-config-kickstart工具進行應答文件的製作時會找不到待選擇安裝的包的信息:
            此時需要將base倉庫名改成development,然後重啓system-config-kickstart程序即可
            yum install httpd
            systemctl start httpd
            cd /var/www/html/
            mkdir ks
            mkdir centos/7 -pv
            vim ks/ks7-desktop.cfg  編輯應答文件
                #version=DEVEL
                # System authorization information
                    auth --enableshadow --passalgo=sha512
                # Use CDROM installation media
                    url --url=http://192.168.43.60/centos/7/
                #cdrom
                # Use graphical install
                    text
                #graphical
                # Run the Setup Agent on first boot
                    firstboot --disable
                    ignoredisk --only-use=sda
                # Keyboard layouts
                    keyboard --vckeymap=us --xlayouts='us'
                # System language
                    lang en_US.UTF-8
                    selinux --disabled
                    firewall --disabled
                # Network information
                    network  --bootproto=dhcp --device=ens33 --onboot=on --ipv6=auto --activate
                    network  --hostname=centos7.yongstar.tech
                # Root password
                    rootpw --iscrypted $6$UrJjRqHwvRhBAASK$Z/4YajRVYaXxtxgp2Q7c0IU0wYN6Wgo8ImM8KH6KGVKkPdXkXt8NoLW.igTbEO/npImGvC0H/p3lB0gCxcOQP/
                #System services
                    services --disabled="chronyd"
                #System timezone
                    timezone Asia/Shanghai --isUtc --nontp
                    user --name=wang --password=$6$lLulhDZMW4jlO7GX$8LZgrCv.0f8AiqkIUf.TCfQtcUFd4iG5smtp6nNQicseSBB88VIcLK1TOl.BU7PJ4vRKTnVSZKqlO3hH6tgOu/ --iscrypted --gecos="wang"
              #X Window System configuration information
                    xconfig  --startxonboot
             #System bootloader configuration
                    bootloader --append=" crashkernel=auto" --location=mbr --boot-drive=sda
                    part swap --fstype="swap" --ondisk=sda --size=2048
                    part /boot --fstype="xfs" --ondisk=sda --size=1024
                    part / --fstype="xfs" --ondisk=sda --size=51200
                    part /app --fstype="xfs" --ondisk=sda --size=20480
            #autopart --type=lvm
            #Partition clearing information
                  zerombr
                  clearpart --all --initlabel
            %packages
                @^gnome-desktop-environment
                @base
                @core
                @desktop-debugging
                @directory-client
                @fonts
                @gnome-apps
                @gnome-desktop
                @guest-agents
                @guest-desktop-agents
                @input-methods
                @internet-browser
                @network-file-system-client
                @networkmanager-submodules
                @x11
            %end
            %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
            %post
                mkdir /root/.ssh/
                cat > /root/.ssh/authorized_keys <<EOF
                ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAruUSGJQ6UYn45lD0TRifnqYzy5izR6Eskjk0DV25Eplc7TDHqKH/98WatoN3l0zyM+v9IWxlg2HCaLdm0dreRVu7YP6q0NO9yyu+dgsasTVNdrNJi5B3qRhpLvboSbltVqdC9eT7txmCp7ZMcUH1YqcPSRnf/DulaeIJYmtivHG68X0WGPgTPcGSZ1ujXs6Ho/v8i+3bPnZ+w+KMMI9ajCCzoG9mV7+zshAQ6hdlMaKbosabYcDXCZJ4Q5EUtpjap0nK6nKsVi6TPU+o7GlD1UJF4qUXNGmcP79erp+TxCVEujgA3JP0TdgYXVu4fDw8rppNfxVejd+Kt00yxlMZEw== [email protected]
                EOF
                chmod 600 /root/.ssh/authorized_keys
                cat > /etc/yum.repos.d/base.repo <<EOF
                [hello]
                name=base_centos7
              baseurl=https://mirrors.aliyun.com/centos/7/os/x86_64/
                gpgcheck=0
                EOF
                useradd wang
                echo 123789|passwd --stdin wang &> /dev/null
      %end
                chmod 644  ks/ks7-desktop.cfg   設置可讀權限
                yum install pykickstart 安裝能檢測應答文件語法的包
                ksvalidator ks/ks7-desktop.cfg  檢測應答文件的語法
                mount /dev/sr0 centos/7/        掛載iso文件到目錄下以共享
                如果沒有光盤設備:
                        cp /dev/sr0 centos7.iso 製作iso鏡像文件
                        mount centos7.iso centos/7/ 掛載iso文件到目錄下
                        目前此實驗還需掛載光盤引導安裝系統
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