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  • 006-(成功环境记录)基于Centos7系统部署cobbler批量安装系统

    1.1 cobbler简介

      Cobbler是一个Linux服务器安装的服务,可以通过网络启动(PXE)的方式来快速安装、重装物理服务器和虚拟机,同时还可以管理DHCP,DNS等。

      Cobbler可以使用命令行方式管理,也提供了基于Web的界面管理工具(cobbler-web),还提供了API接口,可以方便二次开发使用。

      Cobbler是较早前的kickstart的升级版,优点是比较容易配置,还自带web界面比较易于管理。

      Cobbler内置了一个轻量级配置管理系统,但它也支持和其它配置管理系统集成,如Puppet,暂时不支持SaltStack。

      Cobbler官网http://cobbler.github.io

      在使用cobbler之前需要了解kickstart的使用: http://www.cnblogs.com/clsn/p/7833333.html

    1.1.1 cobbler集成的服务

        PXE服务支持

        DHCP服务管理

        DNS服务管理(可选bind,dnsmasq)

        电源管理

        Kickstart服务支持

        YUM仓库管理

        TFTP(PXE启动时需要)

        Apache(提供kickstart的安装源,并提供定制化的kickstart配置)

    注意:

      • 虚拟机网卡采用NAT模式,不要使用桥接模式,因为稍后我们会搭建DHCP服务器,在同一局域网多个DHCP服务会有冲突。
      • VMware的NAT模式的dhcp服务也关闭,避免干扰。 

    1.2 安装cobbler

    1.2.1 环境说明

    [root@Cobbler ~]# cat /etc/redhat-release
    CentOS Linux release 7.4.1708 (Core)
    
    [root@Cobbler ~]# uname -r
    3.10.0-693.el7.x86_64
    
    [root@Cobbler ~]# getenforce
    Disabled
    
    [root@Cobbler ~]# systemctl status firewalld.service
    ● firewalld.service - firewalld - dynamic firewall daemon
       Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
       Active: inactive (dead)
         Docs: man:firewalld(1)
    
    [root@Cobbler ~]# hostname -I
    192.168.1.230

    阿里云yum源说明:

    curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
    curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo

    1.2.2 使用yum安装cobbler

    yum -y install cobbler cobbler-web dhcp tftp-server pykickstart httpd


    cobbler:核心程序不用多解释

    dhcp:负责分配客户端IP,因为客户端没有IP,所以需要dhcp服务

    tftp(Trivial File Transfer Protocol,简单文件传输协议):是TCP/IP协议族中的一个用来在客户机与服务器之间进行简单文件传输的协议,提供不复杂、开销不大的文件传输服务。端口号为69。

    xinetd:xinetd已经取代了inetd,并且提供了访问控制、加强的日志和资源管理功能,已经成了Red Hat 7 和 Mandrake 7.2的Internet标准超级守护进程

    syslinux:syslinux是一个功能强大的引导加载程序,而且兼容各种介质。它的目的是简化首次安装Linux的时间,并建立修护或其它特殊用途的启动盘。它提供pxelinux这个文件,pxelinux.0引导文件引导vmlinux和initrd两个启动文件

    httpd:可以使别的主机可以从服务端获取镜像包

    1. [root@linux-node1 ~]# rpm -ql cobbler # 查看安装的文件,下面列出部分。
    2. /etc/cobbler # 配置文件目录
    3. /etc/cobbler/settings # cobbler主配置文件,这个文件是YAML格式,Cobbler是python写的程序。
    4. /etc/cobbler/dhcp.template # DHCP服务的配置模板
    5. /etc/cobbler/tftpd.template # tftp服务的配置模板
    6. /etc/cobbler/rsync.template # rsync服务的配置模板
    7. /etc/cobbler/iso # iso模板配置文件目录
    8. /etc/cobbler/pxe # pxe模板文件目录
    9. /etc/cobbler/power # 电源的配置文件目录
    10. /etc/cobbler/users.conf # Web服务授权配置文件
    11. /etc/cobbler/users.digest # 用于web访问的用户名密码配置文件
    12. /etc/cobbler/dnsmasq.template # DNS服务的配置模板
    13. /etc/cobbler/modules.conf # Cobbler模块配置文件
    14. /var/lib/cobbler # Cobbler数据目录
    15. /var/lib/cobbler/config # 配置文件
    16. /var/lib/cobbler/kickstarts # 默认存放kickstart文件
    17. /var/lib/cobbler/loaders # 存放的各种引导程序
    18. /var/www/cobbler # 系统安装镜像目录
    19. /var/www/cobbler/ks_mirror # 导入的系统镜像列表
    20. /var/www/cobbler/images # 导入的系统镜像启动文件
    21. /var/www/cobbler/repo_mirror # yum源存储目录
    22. /var/log/cobbler # 日志目录
    23. /var/log/cobbler/install.log # 客户端系统安装日志
    24. /var/log/cobbler/cobbler.log # cobbler日志

       说明:cobbler是依赖与epel源下载

    1.2.3 cobbler语法检查前先启动http与cobbler

    systemctl start httpd.service
    systemctl start cobblerd.service
    cobbler check # 检查Cobbler的配置

    1.2.4 进行语法检查

    [root@Cobbler ~]# cobbler check
    The following are potential configuration items that you may want to fix:
    
    1 : The 'server' field in /etc/cobbler/settings must be set to something other than localhost, or kickstarting features will not work.  This should be a resolvable hostname or IP for the boot server as reachable by all machines that will use it.
    
    2 : For PXE to be functional, the 'next_server' field in /etc/cobbler/settings must be set to something other than 127.0.0.1, and should match the IP of the boot server on the PXE network.
    
    3 : change 'disable' to 'no' in /etc/xinetd.d/tftp
    
    4 : Some network boot-loaders are missing from /var/lib/cobbler/loaders, you may run 'cobbler get-loaders' to download them, or, if you only want to handle x86/x86_64 netbooting, you may ensure that you have installed a *recent* version of the syslinux package installed and can ignore this message entirely.  Files in this directory, should you want to support all architectures, should include pxelinux.0, menu.c32, elilo.efi, and yaboot. The 'cobbler get-loaders' command is the easiest way to resolve these requirements.
    
    5 : enable and start rsyncd.service with systemctl
    
    6 : debmirror package is not installed, it will be required to manage debian deployments and repositories
    
    7 : The default password used by the sample templates for newly installed machines (default_password_crypted in /etc/cobbler/settings) is still set to 'cobbler' and should be changed, try: "openssl passwd -1 -salt 'random-phrase-here' 'your-password-here'" to generate new one
    
    8 : fencing tools were not found, and are required to use the (optional) power management features. install cman or fence-agents to use them
    
    Restart cobblerd and then run 'cobbler sync' to apply changes.

    1.2.5 解决当中的报错

    命令集

    sed -i 's/server: 127.0.0.1/server: 192.168.1.230/' /etc/cobbler/settings
    sed -i 's/next_server: 127.0.0.1/next_server: 192.168.1.230/' /etc/cobbler/settings
    sed -i 's/manage_dhcp: 0/manage_dhcp: 1/' /etc/cobbler/settings
    sed -i 's/pxe_just_once: 0/pxe_just_once: 1/' /etc/cobbler/settings
    sed -ri "/default_password_crypted/s#(.*: ).*#1"`openssl passwd -1 -salt 'xue' '123456'`"#" /etc/cobbler/settings
    sed -i 's#yes#no#' /etc/xinetd.d/tftp
    
    systemctl start rsyncd
    systemctl enable rsyncd
    systemctl enable tftp.socket
    systemctl start tftp.socket
    systemctl restart cobblerd.service

    .3 配置DHCP
    # 修改cobbler的dhcp模版,不要直接修改dhcp本身的配置文件,因为cobbler会覆盖。
    [root@linux-node1 ~]# vim /etc/cobbler/dhcp.template
    # 仅列出修改过的字段
    ……
    subnet 192.168.1.0 netmask 255.255.255.0 {
    option routers 192.168.1.1;
    option domain-name-servers 192.168.1.1;
    option subnet-mask 255.255.255.0;
    range dynamic-bootp 192.168.1.240 192.168.1.245;
    ……

    cobbler sync  #同步最新cobbler配置,它会根据配置自动修改dhcp等服务。

    # 再看一下dhcp的配置文件。
    [root@linux-node1 ~]# less /etc/dhcp/dhcpd.conf
    # ******************************************************************
    # Cobbler managed dhcpd.conf file
    # generated from cobbler dhcp.conf template (Thu Dec 3 12:48:23 2015)
    # Do NOT make changes to /etc/dhcpd.conf. Instead, make your changes
    # in /etc/cobbler/dhcp.template, as /etc/dhcpd.conf will be
    # overwritten.
    # ******************************************************************
    ddns-update-style interim;

    4下载包所需的软件包

    [root@Cobbler ~]# cobbler get-loaders
    [root@Cobbler ~]# ls  /var/lib/cobbler/loaders
    COPYING.elilo     elilo-ia64.efi   menu.c32    yaboot
    COPYING.syslinux  grub-x86_64.efi  pxelinux.0
    COPYING.yaboot    grub-x86.efi     README

    5启动rsync服务

    [root@Cobbler ~]# systemctl start rsyncd.service
    [root@Cobbler ~]# systemctl enable rsyncd.service

    6 debian相关无需修改

    7、修改安装完成后的root密码,设置新装系统的默认root密码123456。下面的命令来源于提示6。random-phrase-here为干扰码,可以自行设定设置新装系统的默认root密码123456。下面的命令来源于提示6。random-phrase-here为干扰码,可以自行设定

    openssl passwd -1 -salt 'random-phrase-here' 'your-password-here'
    random-phrase-here  随机字符串
    your-password-here 密码

    示例

    [root@Cobbler ~]# openssl passwd -1 -salt 'xue' '123456'
    $1$CLSN$LpJk4x1cplibx3q/O4O/K/

    管理dhcp,用Cobbler管理DHCP

    sed -i 's/manage_dhcp: 0/manage_dhcp: 1/' /etc/cobbler/settings

    防止重装,防止循环装系统,适用于服务器第一启动项是PXE启动。

    sed -i 's/pxe_just_once: 0/pxe_just_once: 1/' /etc/cobbler/settings

    修改dhcp模板

    sed -i.ori 's#192.168.1#172.16.1#g;22d;23d' /etc/cobbler/dhcp.template

    cobbler组配置文件位置

    /etc/cobbler/settings

    注意:修改完成之后要使用cobbler sync 进行同步,否则不生效。

    1.2.6 修改之后

    再次检查语法:

    [root@Cobbler ~]# cobbler check
    The following are potential configuration items that you may want to fix:
    
    1 : debmirror package is not installed, it will be required to manage debian deployments and repositories
    2 : fencing tools were not found, and are required to use the (optional) power management features. install cman or fence-agents to use them
    
    Restart cobblerd and then run 'cobbler sync' to apply changes.

    重启所有服务

    systemctl restart httpd.service
    systemctl restart cobblerd.service
    systemctl restart dhcpd.service
    systemctl restart rsyncd.service
    systemctl restart tftp.socket

    3. Cobbler的命令行管理

    3.1 查看命令帮助

    1. [root@linux-node1 ~]# cobbler
    2. usage
    3. =====
    4. cobbler <distro|profile|system|repo|image|mgmtclass|package|file> ...
    5. [add|edit|copy|getks*|list|remove|rename|report] [options|--help]
    6. cobbler <aclsetup|buildiso|import|list|replicate|report|reposync|sync|validateks|version|signature|get-loaders|hardlink> [options|--help]
    7. [root@linux-node1 ~]# cobbler import --help # 导入镜像
    8. Usage: cobbler [options]
    9. Options:
    10. -h, --help show this help message and exit
    11. --arch=ARCH OS architecture being imported
    12. --breed=BREED the breed being imported
    13. --os-version=OS_VERSION
    14. the version being imported
    15. --path=PATH local path or rsync location
    16. --name=NAME name, ex 'RHEL-5'
    17. --available-as=AVAILABLE_AS
    18. tree is here, don't mirror
    19. --kickstart=KICKSTART_FILE
    20. assign this kickstart file
    21. --rsync-flags=RSYNC_FLAGS
    22. pass additional flags to rsync
    23. cobbler check 核对当前设置是否有问题
    24. cobbler list 列出所有的cobbler元素
    25. cobbler report 列出元素的详细信息
    26. cobbler sync 同步配置到数据目录,更改配置最好都要执行下
    27. cobbler reposync 同步yum仓库
    28. cobbler distro 查看导入的发行版系统信息
    29. cobbler system 查看添加的系统信息
    30. cobbler profile 查看配置信息

    cobbler_web安装后无法访问,提示500

     

    经查看日志

    [root@localhost /]# rpm -qa | grep "python2-django"
    python2-django-1.11.13-4.el7.noarch
    Django 的版本问题
    TEMPLATE_CONTEXT_PROCESSORS was deprecated in Django 1.8 and removed in Django 1.10. It's not possible to import it anymore.
    
    解决方法
    1、rpm -e --nodeps python2-django
    2、yum install python2-pip
    3、pip install --upgrade pip
    4、pip install Django==1.8.17

    3.2 导入镜像

    1. [root@linux-node1 ~]# mount /dev/cdrom /mnt/ # 挂载CentOS7的系统镜像。
    2. # 导入系统镜像
    3. [root@linux-node1 ~]# cobbler import --path=/mnt/ --name=CentOS-7.1-x86_64 --arch=x86_64
    4. # --path 镜像路径
    5. # --name 为安装源定义一个名字
    6. # --arch 指定安装源是32位、64位、ia64, 目前支持的选项有: x86│x86_64│ia64
    7. # 安装源的唯一标示就是根据name参数来定义,本例导入成功后,安装源的唯一标示就是:CentOS-7.1-x86_64,如果重复,系统会提示导入失败。
    8. [root@linux-node1 ~]# cobbler distro list # 查看镜像列表
    9. CentOS-7.1-x86_64
    10. # 镜像存放目录,cobbler会将镜像中的所有安装文件拷贝到本地一份,放在/var/www/cobbler/ks_mirror下的CentOS-7.1-x86_64目录下。因此/var/www/cobbler目录必须具有足够容纳安装文件的空间。
    11. [root@linux-node1 ~]# cd /var/www/cobbler/ks_mirror/
    12. [root@linux-node1 ks_mirror]# ls
    13. CentOS-7.1-x86_64 config
    14. [root@linux-node1 ks_mirror]# ls CentOS-7.1-x86_64/
    15. CentOS_BuildTag GPL LiveOS RPM-GPG-KEY-CentOS-7
    16. EFI images Packages RPM-GPG-KEY-CentOS-Testing-7
    17. EULA isolinux repodata TRANS.TBL

    3.3 指定ks.cfg文件及调整内核参数

    1. # Cobbler的ks.cfg文件存放位置
    2. [root@linux-node1 ks_mirror]# cd /var/lib/cobbler/kickstarts/
    3. [root@linux-node1 kickstarts]# ls # 自带很多
    4. default.ks install_profiles sample_autoyast.xml sample_esxi4.ks sample_old.seed
    5. esxi4-ks.cfg legacy.ks sample_end.ks(默认使用的ks文件) sample_esxi5.ks sample.seed
    6. esxi5-ks.cfg pxerescue.ks sample_esx4.ks sample.ks
    7. [root@linux-node1 kickstarts]# rz # 上传准备好的ks文件
    8. rz waiting to receive.
    9. Starting zmodem transfer. Press Ctrl+C to cancel.
    10. Transferring Cobbler-CentOS-7.1-x86_64.cfg...
    11. 100% 1 KB 1 KB/sec 00:00:01 0 Errors
    12. [root@linux-node1 kickstarts]# mv Cobbler-CentOS-7.1-x86_64.cfg CentOS-7.1-x86_64.cfg
    13. # 在第一次导入系统镜像后,Cobbler会给镜像指定一个默认的kickstart自动安装文件在/var/lib/cobbler/kickstarts下的sample_end.ks。
    14. [root@linux-node1 ~]# cobbler list
    15. distros:
    16. CentOS-7.1-x86_64
    17. profiles:
    18. CentOS-7.1-x86_64
    19. systems:
    20. repos:
    21. images:
    22. mgmtclasses:
    23. packages:
    24. files:
    25. # 查看安装镜像文件信息
    26. [root@linux-node1 ~]# cobbler distro report --name=CentOS-7.1-x86_64
    27. Name : CentOS-7.1-x86_64
    28. Architecture : x86_64
    29. TFTP Boot Files : {}
    30. Breed : redhat
    31. Comment :
    32. Fetchable Files : {}
    33. Initrd : /var/www/cobbler/ks_mirror/CentOS-7.1-x86_64/images/pxeboot/initrd.img
    34. Kernel : /var/www/cobbler/ks_mirror/CentOS-7.1-x86_64/images/pxeboot/vmlinuz
    35. Kernel Options : {}
    36. Kernel Options (Post Install) : {}
    37. Kickstart Metadata : {'tree': 'http://@@http_server@@/cblr/links/CentOS-7.1-x86_64'}
    38. Management Classes : []
    39. OS Version : rhel7
    40. Owners : ['admin']
    41. Red Hat Management Key : <<inherit>>
    42. Red Hat Management Server : <<inherit>>
    43. Template Files : {}
    44. # 查看所有的profile设置
    45. [root@linux-node1 ~]# cobbler profile report
    46. # 查看指定的profile设置
    47. [root@linux-node1 ~]# cobbler profile report --name=CentOS-7.1-x86_64
    48. Name : CentOS-7.1-x86_64
    49. TFTP Boot Files : {}
    50. Comment :
    51. DHCP Tag : default
    52. Distribution : CentOS-7.1-x86_64
    53. Enable gPXE? : 0
    54. Enable PXE Menu? : 1
    55. Fetchable Files : {}
    56. Kernel Options : {}
    57. Kernel Options (Post Install) : {}
    58. Kickstart : /var/lib/cobbler/kickstarts/sample_end.ks -->默认ks文件
    59. Kickstart Metadata : {}
    60. Management Classes : []
    61. Management Parameters : <<inherit>>
    62. Name Servers : []
    63. Name Servers Search Path : []
    64. Owners : ['admin']
    65. Parent Profile :
    66. Internal proxy :
    67. Red Hat Management Key : <<inherit>>
    68. Red Hat Management Server : <<inherit>>
    69. Repos : []
    70. Server Override : <<inherit>>
    71. Template Files : {}
    72. Virt Auto Boot : 1
    73. Virt Bridge : xenbr0
    74. Virt CPUs : 1
    75. Virt Disk Driver Type : raw
    76. Virt File Size(GB) : 5
    77. Virt Path :
    78. Virt RAM (MB) : 512
    79. Virt Type : kvm
    80. # 编辑profile,修改关联的ks文件
    81. [root@linux-node1 ~]# cobbler profile edit --name=CentOS-7.1-x86_64 --kickstart=/var/lib/cobbler/kickstarts/CentOS-7.1-x86_64.cfg
    82. # 修改安装系统的内核参数,在CentOS7系统有一个地方变了,就是网卡名变成eno16777736这种形式,但是为了运维标准化,我们需要将它变成我们常用的eth0,因此使用下面的参数。但要注意是CentOS7才需要下面的步骤,CentOS6不需要。
    83. [root@linux-node1 ~]# cobbler profile edit --name=CentOS-7.1-x86_64 --kopts='net.ifnames=0 biosdevname=0'
    84. [root@linux-node1 ~]# cobbler profile report CentOS-7.1-x86_64
    85. Name : CentOS-7.1-x86_64
    86. TFTP Boot Files : {}
    87. Comment :
    88. DHCP Tag : default
    89. Distribution : CentOS-7.1-x86_64
    90. Enable gPXE? : 0
    91. Enable PXE Menu? : 1
    92. Fetchable Files : {}
    93. Kernel Options : {'biosdevname': '0', 'net.ifnames': '0'}
    94. Kernel Options (Post Install) : {}
    95. Kickstart : /var/lib/cobbler/kickstarts/CentOS-7.1-x86_64.cfg
    96. Kickstart Metadata : {}
    97. Management Classes : []
    98. Management Parameters : <<inherit>>
    99. Name Servers : []
    100. Name Servers Search Path : []
    101. Owners : ['admin']
    102. Parent Profile :
    103. Internal proxy :
    104. Red Hat Management Key : <<inherit>>
    105. Red Hat Management Server : <<inherit>>
    106. Repos : []
    107. Server Override : <<inherit>>
    108. Template Files : {}
    109. Virt Auto Boot : 1
    110. Virt Bridge : xenbr0
    111. Virt CPUs : 1
    112. Virt Disk Driver Type : raw
    113. Virt File Size(GB) : 5
    114. Virt Path :
    115. Virt RAM (MB) : 512
    116. Virt Type : kvm
    117. # 每次修改完都要同步一次
    118. [root@linux-node1 ~]# cobbler sync

    3.4 安装系统

    可以很愉快的告诉你到这里就可以安装系统了!

    新建一台虚拟机,不解释,开机就可以看到下面的图片了!

    ** 有没有发现不美观的地方?**

    网址不是我的!改!

    1. #修改Cobbler提示
    2. [root@linux-node1 ~]# vim /etc/cobbler/pxe/pxedefault.template
    3. MENU TITLE Cobbler | http://www.zyops.com
    4. [root@linux-node1 ~]# cobbler sync # 修改配置都要同步

    OK,现在好看多了。选择第二项就可以继续装机了。你可以让系统飞着,然后接着看下文!! 

    4. ks.cfg文件简析

    文件大部分参数含义见kickstart文章,此处只讲一些不同的地方。同时可以参考模板文件。

    1. [root@linux-node1 kickstarts]# cat CentOS-7.1-x86_64.cfg
    2. # Cobbler for Kickstart Configurator for CentOS 7.1 by yao zhang
    3. install
    4. url --url=$tree # 这些$开头的变量都是调用配置文件里的值。
    5. text
    6. lang en_US.UTF-8
    7. keyboard us
    8. zerombr
    9. bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet"
    10. # Network information
    11. $SNIPPET('network_config')
    12. timezone --utc Asia/Shanghai
    13. authconfig --enableshadow --passalgo=sha512
    14. rootpw --iscrypted $default_password_crypted
    15. clearpart --all --initlabel
    16. part /boot --fstype xfs --size 1024 # CentOS7系统磁盘默认格式xfs
    17. part swap --size 1024
    18. part / --fstype xfs --size 1 --grow
    19. firstboot --disable
    20. selinux --disabled
    21. firewall --disabled
    22. logging --level=info
    23. reboot
    24. %pre
    25. $SNIPPET('log_ks_pre')
    26. $SNIPPET('kickstart_start')
    27. $SNIPPET('pre_install_network_config')
    28. # Enable installation monitoring
    29. $SNIPPET('pre_anamon')
    30. %end
    31. %packages
    32. @base
    33. @compat-libraries
    34. @debugging
    35. @development
    36. tree
    37. nmap
    38. sysstat
    39. lrzsz
    40. dos2unix
    41. telnet
    42. iptraf
    43. ncurses-devel
    44. openssl-devel
    45. zlib-devel
    46. OpenIPMI-tools
    47. screen
    48. %end
    49. %post
    50. systemctl disable postfix.service
    51. %end

    5. 定制化安装

    可能从学习kickstart开始就有人想怎样能够指定某台服务器使用指定ks文件,kickstart实现这功能可能比较复杂,但是Cobbler就很简单了。

    区分一台服务器的最简单的方法就是物理MAC地址。

    物理服务器的MAC地址在服务器上的标签上写了。

    虚拟机的MAC查看

    1. cobbler system add --name=oldboy --mac=00:0C:29:7F:2F:A1 --profile=CentOS-7.1-x86_64 --ip-address=10.0.0.111 --subnet=255.255.255.0 --gateway=10.0.0.2 --interface=eth0 --static=1 --hostname=oldboy.example.com --name-servers="114.114.114.114 8.8.8.8"
    2. # --name 自定义,但不能重复
    3. # 查看定义的列表
    4. [root@linux-node1 ~]# cobbler system list
    5. oldboy
    6. [root@linux-node1 ~]# cobbler sync

    再次开机安装就不再询问选择了,直接安装。

    6. Cobbler的Web管理界面的安装与配置

    已经安装cobbler-web软件。

    访问网址:http://10.0.0.7/cobbler_webhttps://10.0.0.7/cobbler_web

    默认用户名:cobbler 
    默认密码 :cobbler

    到此cobbler就安装完成,下面进行web界面的操作。

    1.3 cobbler的web及界面操作

    浏览器访问https://10.0.0.202/cobbler_web

       注意CentOS7中cobbler只支持https访问。

       账号密码默认均为cobbler

     

    1.3.1 操作说明--导入镜像

    1)在虚拟机上添加上镜像

     

    2)挂载上镜像

    [root@Cobbler ~]# mount /dev/cdrom  /mnt/
    mount: /dev/sr0 is write-protected, mounting read-only
    
    [root@Cobbler ~]# df -h |grep mnt
    /dev/sr0        4.3G  4.3G     0 100% /mnt

       3)进行导入镜像

       选择Import DVD  输入Prefix(文件前缀),Arch(版本),Breed(品牌),Path(要从什么地方导入)

       在导入镜像的时候要注意路径,防止循环导入。

       信息配置好后,点击run,即可进行导入。

     

    导入过程使用rsync进行导入,三个进程消失表示导入完毕

    [root@Cobbler mnt]# ps -ef |grep rsync
    root   12026      1  0 19:04 ?   00:00:00 /usr/bin/rsync --daemon --no-detach
    root  13554  11778 12 19:51 ?    00:00:06 rsync -a /mnt/ /var/www/cobbler/ks_mirror/CentOS7.4-x86_64 --progress
    root   13555  13554  0 19:51 ?     00:00:00 rsync -a /mnt/ /var/www/cobbler/ks_mirror/CentOS7.4-x86_64 --progress
    root   13556  13555 33 19:51 ?        00:00:17 rsync -a /mnt/ /var/www/cobbler/ks_mirror/CentOS7.4-x86_64 --progress
    root   13590  10759  0 19:52 pts/1    00:00:00 grep --color=auto rsync

    查看日志可以发现右running进程

          日志位于 Events

     

    导入完成后生成的文件夹

    [root@Cobbler ks_mirror]# pwd
    /var/www/cobbler/ks_mirror
    
    [root@Cobbler ks_mirror]# ls
    CentOS7.4-x86_64  config

    1.3.2 创建一台空白虚拟机,进行测试网路安装

    注意:虚拟机的内存不能小于2G,网卡的配置要保证网络互通

    启动虚拟机

       启动虚拟机即可发现会有cobbler的选择界面

    选择CentOS7.4即可进行安装,安装过程与光盘安装一致,这里就不在复述。

    1.4 定制化安装操作系统

    1.4.1 添加内核参数

    1)查看导入的镜像,点击edit

     

    2)在内核参数中添加net.ifnames=0 biosdevname=0

       能够让显示的网卡变为eth0 ,而不是CentOS7中的ens33

       修改完成后点击保存

    1.4.2 查看镜像属性

     

    1.4.3 编写ks文件

    1)创建新的ks文件

     

    2)添加ks文件,并配置文件名

          创建完成后点击Save进行保存

    CentOS7  ks配置文件参考

     
     1 # Cobbler for Kickstart Configurator for CentOS 7 by clsn
     2 install
     3 url --url=$tree
     4 text
     5 lang en_US.UTF-8
     6 keyboard us
     7 zerombr
     8 bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet"
     9 #Network information
    10 $SNIPPET('network_config')
    11 #network --bootproto=dhcp --device=eth0 --onboot=yes --noipv6 --hostname=CentOS7
    12 timezone --utc Asia/Shanghai
    13 authconfig --enableshadow --passalgo=sha512
    14 rootpw  --iscrypted $default_password_crypted
    15 clearpart --all --initlabel
    16 part /boot --fstype xfs --size 1024
    17 part swap --size 1024
    18 part / --fstype xfs --size 1 --grow
    19 firstboot --disable
    20 selinux --disabled
    21 firewall --disabled
    22 logging --level=info
    23 reboot
    24 
    25 %pre
    26 $SNIPPET('log_ks_pre')
    27 $SNIPPET('kickstart_start')
    28 $SNIPPET('pre_install_network_config')
    29 # Enable installation monitoring
    30 $SNIPPET('pre_anamon')
    31 %end
    32 
    33 %packages
    34 @^minimal
    35 @compat-libraries
    36 @core
    37 @debugging
    38 @development
    39 bash-completion
    40 chrony
    41 dos2unix
    42 kexec-tools
    43 lrzsz
    44 nmap
    45 sysstat
    46 telnet
    47 tree
    48 vim
    49 wget
    50 %end
    51 
    52 %post
    53 systemctl disable postfix.service
    54 %end


    1.4.4 自定义安装系统

    1)选择systems 创建一个新的系统

    2)定义系统信息

    3)配置全局网络信息

          主机名、网关、DNS

    4)配置网卡信息,eth0,eth1

       需要注意,选择static静态,

     

       以上的所有配置完成后,点击Save进行保存

    附录:

       VMware workstation中查看虚拟机mac地址的方法。在虚拟机设置中。

     

     cobbler web 界面说明

    1.5 安装虚拟机

    1.5.1 开启虚拟机

    如果之前的设置就显示安装进度

     

    1.5.2 安装完成进行检查

    1.6 cobbler使用常见错误

    1.6.1 cobbler check报错

    [root@Cobbler ~]# cobbler sync
    Traceback (most recent call last):
      File "/usr/bin/cobbler", line 36, in <module>
        sys.exit(app.main())
      File "/usr/lib/python2.7/site-packages/cobbler/cli.py", line 662, in main
        rc = cli.run(sys.argv)
      File "/usr/lib/python2.7/site-packages/cobbler/cli.py", line 269, in run
        self.token         = self.remote.login("", self.shared_secret)
      File "/usr/lib64/python2.7/xmlrpclib.py", line 1233, in __call__
        return self.__send(self.__name, args)
      File "/usr/lib64/python2.7/xmlrpclib.py", line 1587, in __request
        verbose=self.__verbose
      File "/usr/lib64/python2.7/xmlrpclib.py", line 1273, in request
        return self.single_request(host, handler, request_body, verbose)
      File "/usr/lib64/python2.7/xmlrpclib.py", line 1306, in single_request
        return self.parse_response(response)
      File "/usr/lib64/python2.7/xmlrpclib.py", line 1482, in parse_response
        return u.close()
      File "/usr/lib64/python2.7/xmlrpclib.py", line 794, in close
        raise Fault(**self._stack[0])
    xmlrpclib.Fault: <Fault 1: "<class 'cobbler.cexceptions.CX'>:'login failed'">

    解决办法

    systemctl restart httpd.service
    systemctl restart cobblerd.service
    cobbler check

    1.6.2 No space left on device

     

       出现这个错误的原因是虚拟机的内存不足2G,

       将内存调为2G即可(这个错误只会出现在CentOS7.3之上)

    1.7 附录cobbler_CentOS6.x_ks配置文件

    # Cobbler for Kickstart Configurator for CentOS 6  by clsn
    install
    url --url=$tree
    text
    lang en_US.UTF-8
    keyboard us
    zerombr
    bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet"
    $SNIPPET('network_config')
    timezone --utc Asia/Shanghai
    authconfig --enableshadow --passalgo=sha512
    rootpw  --iscrypted $default_password_crypted
    clearpart --all --initlabel
    part /boot --fstype=ext4 --asprimary --size=200
    part swap --size=1024
    part / --fstype=ext4 --grow --asprimary --size=200
    firstboot --disable
    selinux --disabled
    firewall --disabled
    logging --level=info
    reboot
    
    %pre
    $SNIPPET('log_ks_pre')
    $SNIPPET('kickstart_start')
    $SNIPPET('pre_install_network_config')
    # Enable installation monitoring
    $SNIPPET('pre_anamon')
    %end
    
    %packages
    @base
    @compat-libraries
    @debugging
    @development
    tree
    nmap
    sysstat
    lrzsz
    dos2unix
    telnet
    %end
    
    %post --nochroot
    $SNIPPET('log_ks_post_nochroot')
    %end
    
    %post
    $SNIPPET('log_ks_post')
    # Start yum configuration
    $yum_config_stanza
    # End yum configuration
    $SNIPPET('post_install_kernel_options')
    $SNIPPET('post_install_network_config')
    $SNIPPET('func_register_if_enabled')
    $SNIPPET('download_config_files')
    $SNIPPET('koan_environment')
    $SNIPPET('redhat_register')
    $SNIPPET('cobbler_register')
    # Enable post-install boot notification
    $SNIPPET('post_anamon')
    # Start final steps
    $SNIPPET('kickstart_done')
    # End final steps
    %end

    1.8 参考文档

      http://blog.oldboyedu.com/autoinstall-cobbler/

      http://www.zyops.com/autoinstall-cobbler

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  • 原文地址:https://www.cnblogs.com/xuefy/p/11276470.html
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