- name: 'Install Xen related packages'
  apt:
    pkg: '{{ item }}'
    install_recommends: 'no'
    state: 'installed'
    update_cache: 'yes'
  with_items:
    - 'xen-linux-system-amd64'
    - 'bridge-utils'
    - 'debootstrap'
  when: with_xen

- name: 'Add GRUB options for Xen'
  lineinfile:
    dest: '/etc/default/grub'
    regexp: '^GRUB_CMDLINE_XEN_DEFAULT='
    insertafter: '^GRUB_CMDLINE_LINUX='
    line: 'GRUB_CMDLINE_XEN_DEFAULT="dom0_mem={{ xendom0_mem  }}M,max:{{ xendom0_mem }}M"'
  when: with_xen

- name: 'Set Xen hypervisor to boot first'
  command: 'dpkg-divert --divert /etc/grub.d/09_linux_xen --rename /etc/grub.d/20_linux_xen creates=/etc/grub.d/09_linux_xen'
  notify:
    - 'Update GRUB'
  when: with_xen

- name: Configure Xend (memory)
  lineinfile: dest=/etc/xen/xend-config.sxp regexp="^#?\(dom0-min-mem" line="(dom0-min-mem {{ xendom0_mem }})"
  when: with_xen

- name: Configure Xend (disable auto-ballooning)
  lineinfile: dest=/etc/xen/xend-config.sxp regexp="^#?\(enable-dom0-ballooning" line="(enable-dom0-ballooning no)"
  when: with_xen

- name: Configure Xendomains init script (disable restore)
  lineinfile: dest=/etc/default/xendomains regexp="^#?XENDOMAINS_RESTORE=" line="XENDOMAINS_RESTORE=false"
  when: with_xen

- name: Configure Xendomains init script (disable save)
  lineinfile: dest=/etc/default/xendomains regexp="^#?XENDOMAINS_SAVE=" line="XENDOMAINS_SAVE="
  when: with_xen