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XenServer builder

This builder plugin extends to support building images for XenServer.

You can check out packer here.


Install Go

Follow these instructions and install golang on your system:

Install Packer

Clone the Packer repository:

git clone

Then follow the instructions to build and install a development version of Packer.

Compile the plugin

Once you have installed Packer, you must compile this plugin and install the resulting binary.

mkdir -p src/
cd src/
git clone
cd packer-builder-xenserver

If the build is successful, you should now have packer-builder-xenserver-iso and packer-builder-xenserver-xva binaries in your $GOPATH/bin directory and you are ready to get going with packer; skip to the CentOS 6.6 example below.

In order to do a cross-compile, run instead:

XC_OS="windows linux" XC_ARCH="386 amd64" ./

This builds 32 and 64 bit binaries for both Windows and Linux. Native binaries will be installed in $GOPATH/bin as above, and cross-compiled ones in the pkg/ directory.

Don't forget to also cross compile Packer, by running

XC_OS="windows linux" XC_ARCH="386 amd64" make bin

(instead of make dev) in the directory where you checked out Packer.

CentOS 6.6 Example

Once you've setup the above, you are good to go with an example.

To get you started, there is an example config file which you can use: examples/centos-6.6.json

The example is functional, once suitable remote_host, remote_username and remote_password configurations have been substituted.

A brief explanation of what the config parameters mean:

  • type - specifies the builder type. This is 'xenserver-iso', for installing a VM from scratch, or 'xenserver-xva' to import existing XVA as a starting point.
  • remote_username - the username for the XenServer host being used.
  • remote_password - the password for the XenServer host being used.
  • remote_host - the IP for the XenServer host being used.
  • vm_name - the name that should be given to the created VM.
  • vcpus_max - the maximum number of VCPUs for the VM.
  • vcpus_atstartup - the number of startup VCPUs for the VM.
  • vm_memory - the static memory configuration for the VM, in MB.
  • disk_size - the size of the disk the VM should be created with, in MB.
  • iso_name - the name of the ISO visible on a ISO SR connected to the XenServer host.
  • http_directory - the path to a local directory to serve up over http.
  • ssh_username - the username set by the installer for the instance.
  • ssh_password - the password set by the installer for the instance.
  • boot_command - a list of commands to be sent to the instance over VNC.
  • vm_other_config - a map of string to string for setting vm's other-config.
  • network_names - a list of network name for the VIFs to connect with.

Note, the http_directory parameter is only required if you want Packer to serve up files over HTTP. In this example, the templated variables {{ .HTTPIP }} and {{ .HTTPPort }} will be substituted for the local IP and the port that Packer starts its HTTP service on.

Once you've updated the config file with your own parameters, you can use packer to build this VM with the following command:

packer build centos-6.6.json


For complete documentation on configuration commands, see either the xenserver-iso docs or the xenserver-xva docs.


A builder plugin for Packer.IO to support building Citrix Hypervisor images.








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