---
- name: "*** Install the Integ ganeti repo ***"
  yum: name={{ integ_ganeti_repo_url }} state=present
  when: ganeti_use_drbd
  tags:
    - ganeti
    - kvm
  
- name: "*** Enable Integ ganeti repo ***"
  ini_file: dest={{ integ_ganeti_repo_file }} section={{ item.1.name }} option=enabled value={{ item.1.value }}
  with_nested:
    - integ_ganeti_centos_version
    - integ_ganeti_repo
  tags:
    - ganeti
    - kvm

- name: Install the ganeti packages
  yum: name={{ item }} state={{ ganeti_pkg_state }}
  with_items: integ_ganeti_packages
  tags:
    - ganeti
    - kvm

- name: Install drbd
  yum: name={{ item }} state={{ ganeti_pkg_state }}
  with_items: integ_ganeti_drbd_packages
  when: ganeti_use_drbd
  tags:
    - ganeti
    - drbd

- name: Tell the system that we want the drbd module loaded
  copy: content="drbd\n" dest=/etc/modules-load.d/drbd.conf
  when: ganeti_use_drbd
  tags:
    - ganeti
    - drbd

- name: Tell modprobe that the drbd kernel module needs some parameters
  copy: content="options drbd {{ ganeti_drbd_conf }}\n" dest=/etc/modprobe.d/drbd.conf
  when: ganeti_use_drbd
  tags:
    - ganeti
    - drbd

- name: Tell modprobe that the drbd kernel module needs some parameters on centos < 6
  copy: content='ADD_MOD_PARAM="{{ ganeti_drbd_conf }}\n"' dest=/etc/default/drbd
  when:
    - integ_ganeti_centos_version < '7'
    - ganeti_use_drbd
  tags:
    - ganeti
    - drbd

- name: Tell lvm to ignore the drbd devices
  lineinfile: name=/etc/lvm/lvm.conf regexp="^\ \ \ \ filter\ =.*$" line="    filter = [ \"r|/dev/cdrom|\", \"r|/dev/drbd[0-9]+|\" ]"
  when: ganeti_use_drbd
  tags:
    - ganeti
    - drbd

- name: Ensure that systemd loads the drbd module
  service: name=systemd-modules-load state=started
  when:
    - integ_ganeti_centos_version == '7'
    - ganeti_use_drbd
  tags:
    - ganeti
    - drbd

- name: Load the drbd module on CentOS < 7
  command: modprobe drbd
  when:
    - integ_ganeti_centos_version < '7'
    - ganeti_use_drbd
  tags:
    - ganeti
    - drbd

- name: Change some kernel parameters to optimize the drbd performances
  sysctl: name={{ item.name }} state={{ item.state }} value={{ item.value }} sysctl_file=/etc/sysctl.d/60-drbd-tuning.conf reload=yes sysctl_set=yes
  with_items: ganeti_drbd_sysctl_tuning
  when: ganeti_use_drbd
  tags:
    - ganeti

# Important: we need a way to get the ssh keys and store them without a manual intervention.
- name: Create a ssh key for root on the ganeti first node
  user: name=root generate_ssh_key=yes ssh_key_bits=2048 ssh_key_comment="ganeti {{ ganeti_cluster_name }}"
  when: ganeti_first_node
  tags:
    - ganeti

- name: Copy the ssh private key on the first node
  copy: content="{{ id_rsa }}" dest=/root/.ssh/id_rsa mode=0600
  when: ganeti_first_node
  tags:
    - ganeti
    - ssh_priv

- name: Ensure the first node public key is distributed on all the other ganeti nodes
  authorized_key: user=root key="{{ ganeti_cluster_key }}" state=present
  tags:
    - ganeti

- name: Install a script that initializes the ganeti cluster on the first node
  template: src={{ item }}.sh.j2 dest=/usr/local/sbin/{{ item }} owner=root mode=0550
  with_items:
    - ganeti_cluster_init
  when: ganeti_first_node
  tags:
    - ganeti
    - gnt_init