fixes #12962 - Add Xenserver to list of supported OS families.

Templates are included in community-templates repo.

app/helpers/operatingsystems_helper.rb

@@ -36,6 +36,8 @@ def icon(record, opts = {})
      "CoreOS"
    when /NXOS/i
      "NXOS"
    when /XenServer/i
      "XenServer"
    else
      return "" if record.family.blank?
      record.family

app/models/concerns/orchestration/tftp.rb

@@ -39,6 +39,12 @@ def generate_pxe_template
    # therefore some workaround is required to "render" the template.
    @kernel = host.operatingsystem.kernel(host.arch)
    @initrd = host.operatingsystem.initrd(host.arch)

    # Xen requires additional boot files.
    if host.operatingsystem.respond_to?(:xen)
      @xen = host.operatingsystem.xen(host.arch)
    end

    # work around for ensuring that people can use @host as well, as tftp templates were usually confusing.
    @host = self.host
    if build?

app/models/operatingsystem.rb

@@ -76,7 +76,8 @@ class Operatingsystem < ActiveRecord::Base
               'Freebsd'   => %r{FreeBSD}i,
               'AIX'       => %r{AIX}i,
               'Junos'     => %r{Junos}i,
               'NXOS'      => %r{NX-OS}i }
               'NXOS'      => %r{NX-OS}i,
               'Xenserver' => %r{XenServer}i }

  class Jail < Safemode::Jail
    allow :name, :media_url, :major, :minor, :family, :to_s, :repos, :==, :release_name, :kernel, :initrd, :pxe_type, :medium_uri, :boot_files_uri

app/models/operatingsystems/xenserver.rb

@@ -0,0 +1,44 @@
class Xenserver < Operatingsystem
  PXEFILES = {:kernel => "boot/vmlinuz", :initrd => "install.img", :xen => "boot/xen.gz"}
  MBOOT = "boot/pxelinux/mboot.c32"

  def mediumpath(host)
    medium_uri(host).to_s
  end

  def pxe_type
    "xenserver"
  end

  def pxedir
    ""
  end

  def xen(arch)
    bootfile(arch,:xen)
  end

  def url_for_boot(file)
    pxedir + "/" + PXEFILES[file]
  end

  def display_family
    "XenServer"
  end

  def self.model_name
    superclass.model_name
  end

  def bootfile(arch, type)
    pxe_prefix(arch) + "-" + eval("#{self.family}::PXEFILES[:#{type}]").split("/")[-1]
  end

  def boot_files_uri(medium, architecture, host = nil)
    raise ::Foreman::Exception.new(N_("Invalid medium for %s"), self) unless media.include?(medium)
    raise ::Foreman::Exception.new(N_("Invalid architecture for %s"), self) unless architectures.include?(architecture)
    eval("#{self.family}::PXEFILES").values.push(MBOOT).collect do |img|
      medium_vars_to_uri("#{medium.path}/#{img}", architecture.name, self)
    end
  end
end

lib/foreman/renderer.rb

@@ -10,7 +10,7 @@ module Renderer
    ALLOWED_HELPERS ||= ALLOWED_GENERIC_HELPERS + ALLOWED_HOST_HELPERS

    ALLOWED_VARIABLES ||= [ :arch, :host, :osver, :mediapath, :mediaserver, :static,
                            :repos, :dynamic, :kernel, :initrd,
                            :repos, :dynamic, :kernel, :initrd, :xen,
                            :preseed_server, :preseed_path, :provisioning_type ]

    def render_safe(template, allowed_methods = [], allowed_vars = {})
@@ -210,6 +210,11 @@ def ZTP_attributes
    def waik_attributes
    end

    def xenserver_attributes
      @mediapath = @host.operatingsystem.mediumpath @host
      @xen = @host.operatingsystem.xen @host.arch
    end

    def pxe_config
      @kernel = @host.operatingsystem.kernel @host.arch
      @initrd = @host.operatingsystem.initrd @host.arch

test/unit/operatingsystem_test.rb

@@ -172,8 +172,8 @@ class OperatingsystemTest < ActiveSupport::TestCase

    test "families_as_collection contains correct names and values" do
      families = Operatingsystem.families_as_collection
      assert_equal ["AIX", "Altlinux", "Arch Linux", "CoreOS", "Debian", "FreeBSD", "Gentoo", "Junos", "NX-OS", "Red Hat", "SUSE", "Solaris", "Windows"], families.map(&:name).sort
      assert_equal ["AIX", "Altlinux", "Archlinux", "Coreos", "Debian", "Freebsd", "Gentoo", "Junos", "NXOS", "Redhat", "Solaris", "Suse", "Windows"], families.map(&:value).sort
      assert_equal ["AIX", "Altlinux", "Arch Linux", "CoreOS", "Debian", "FreeBSD", "Gentoo", "Junos", "NX-OS", "Red Hat", "SUSE", "Solaris", "Windows", "XenServer"], families.map(&:name).sort
      assert_equal ["AIX", "Altlinux", "Archlinux", "Coreos", "Debian", "Freebsd", "Gentoo", "Junos", "NXOS", "Redhat", "Solaris", "Suse", "Windows", "Xenserver"], families.map(&:value).sort
    end
  end