Removed centos-example
deleted: docs/builders/iso/Commented-Example.md deleted: examples/centos/centos8-example.pkr.hcl deleted: examples/http/centos8/ks-centos8-example.cfg
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---
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layout: "docs"
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page_title: "XenServer-iso Commented Example"
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description: |-
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This is a Commented example for how to use the xenserver-iso Packer Builder.
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This Example is written in hcl
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---
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# What's this
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This Example builds a vanilla Centos 8 Template. No Provisioning or Post-Processing will be done.
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If you want to run this example, you have to replace the following variables with your own values.
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```hcl
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remote_host = "xenserver.example.org"
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remote_username = "root"
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remote_password = "very-secret-password"
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sr_iso_name = "Local-ISO"
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sr_name = "Local-SR"
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tools_iso_name = "guest-tools.iso"
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```
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After changing those, run
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`packer init examples/http/centos/centos8-example.pkr.hcl` to download the xenserver plugin
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and
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`packer build examples/http/centos/centos8-example.pkr.hcl` to create the vm
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## Parts of this example
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This examples composes the following files from the examples folder
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* [centos8-example.pkr.hcl](../../examples/http/centos/centos8-example.pkr.hcl)
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* [ks-centos8-example.cfg](../../examples/http/centos/ks-centos8-example.cfg)
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Both file contain comments explaining what they do
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#this tells packer that it needs the `xenserver` plugin to run this script.
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packer {
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required_plugins {
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xenserver= {
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# specifically a version higher than 0.3.2
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version = ">= v0.3.2"
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# which can be found on github
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source = "github.com/ddelnano/xenserver"
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}
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}
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}
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# packer configures an Artifact named "example" using the "xenserver-iso" builder
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source "xenserver-iso" "example" {
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#
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# Where to get the iso
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#
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iso_url = "http://mirrors.ocf.berkeley.edu/centos/8.3.2011/isos/x86_64/CentOS-8.3.2011-x86_64-dvd1.iso"
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iso_checksum_type = "sha1"
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iso_checksum = "aaf9d4b3071c16dbbda01dfe06085e5d0fdac76df323e3bbe87cce4318052247"
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#
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# Where to store the ISO, vm-disk and where to find the xentools iso
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#
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sr_iso_name = "Local-ISO" # store the iso used during install on the ISO-SR named `Local-ISO`
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sr_name = "Local-SR" # store the vmdisk used during install on the SR named `Local-SR`
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tools_iso_name = "guest-tools.iso" # mount the guest-tools iso with the name `guest-tools.iso`
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#
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# How to communicate with the xenserver
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#
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remote_host = "xenserver.example.org" # the ipadress or fqdn of the xenserver. This should be the pool primary
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remote_username = "root" # the user with which to connect.
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remote_password = "very-secret-password" # the password for the user.
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#
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# Basic info for the vm
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#
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vm_name = "packer-centos8-example" # how packer will name the vm.
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vm_description = "This is an example." # the description field of the vm
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vm_memory = 4096 # the Amount of RAM, in MB
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disk_size = 4096 # the Amount of RAM, in MB
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#
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# For the installation
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#
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http_directory = "examples/http/centos8" # Packer will spin up a http-server for serving files to the installing vm. the kickstart file `ks-centos8-examples.cfg` is in this directory
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boot_wait = "10s" # Wait for 10s after starting the VM before typeing the `boot_command`
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boot_command = ["<tab> text ks=http://{{ .HTTPIP }}:{{ .HTTPPort }}/ks-centos8-examples.cfg<enter><wait>"]
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# The command to type into the installing vm.
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# `<tab>` a tab Character `\t`
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# `text ks=http://` character literals
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# `{{ .HTTPIP }}` will be replaced by the local ip-address.
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# `:` character literal
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# `{{ .HTTPPort }}` will be replaced by the local port. Will be randomly selectet between 8000 and 9000
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# `/ks-centos8-examples.cfg` character literals
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# `<enter>` an enter character
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# `<wait>` wait for 1s
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#
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# how packer contacts the vm
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#
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ssh_username = "root" # The ssh user packer uses to connect to the VM
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ssh_password = "centos" # The ssh password packer uses to connect to the VM
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ssh_wait_timeout = "10m" # consider install failed if unable to connect via ssh 10m into the build
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#
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# What to do with the resulting VM
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#
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output_directory = "packer-centos8-local" # Store the resulting xva file in this directory
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keep_vm = "on_success" # Create a template with the vm after a successfull build
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composes
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}
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#
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# Operations to do while building.
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# Any provisioning would be done here
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#
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build {
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sources = ["xenserver-iso.example"]
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}
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@ -1,52 +0,0 @@
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eula --agreed
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# agree to the eula of centos
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lang en-US.UTF-8
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# set the system-locale to en-US.UTF-8
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timezone Europe/Berlin
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# set the timezone to Europe/Berlin
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url --url="http://mirror.centos.org/centos/8.3.2011/BaseOS/x86_64/os/"
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# Primary installation mirror
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text
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skipx
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# Install in textmode, do not configure X11
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firstboot --disable
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# Dont do any configuration on first boot
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rootpw --plaintext centos
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# set the reboot to "centos"
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firewall --enabled --ssh
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# enable the firewall, allow ssh
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selinux --enforcing
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# ensure selinux is in enforcing mode
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logging --level=info
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# Installation logging level
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network --bootproto=dhcp --device=eth0 --onboot=on
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# configure the network with dhcp on install
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clearpart --all
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zerombr
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bootloader --location=mbr
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# Clear all partitioning on all disk
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# Zero the MBR section
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# Install the bootloader into the MBR
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part / --asprimary --fstype="ext4" --size=1024 --grow
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# / shall the a primary partition with ext4
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# with a mimimul size of 1024 MB, but growing to the actual size of the disk
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%packages
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@base
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%end
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# install all packages of the core group
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reboot --eject
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# After finishing eject all CD-Disk and reboot
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