postboot.yml

- name: Setup /srv as a raid device on NVME disks
  shell: |
    if [ `grep -c md0 /proc/mdstat` -gt 0 ]
    then
      echo "Already setup"
      exit 0
    fi

    available_nvme=""
    for nvme in /dev/nvme[0-9]
    do
      if [ `ls ${nvme}n1p[0-9] | wc -l` -eq 0 ]
      then
        echo "$nvme is free"
        available_nvme="$nvme,$available_nvme"
      fi
    done
    echo "Available NVME devices: $available_nvme"

    mdadm --create /dev/md0 --level=0 --raid-devices=2 `echo $available_nvme | cut -f 1 -d ","`n1 `echo $available_nvme | cut -f 2 -d ","`n1
    mkfs.ext4 /dev/md0
    mount /dev/md0 /srv

- name: Setup /etc/hosts
  copy:
    content: |
      127.0.0.1 localhost

      # The following lines are desirable for IPv6 capable hosts
      ::1 ip6-localhost ip6-loopback
      fe00::0 ip6-localnet
      ff00::0 ip6-mcastprefix
      ff02::1 ip6-allnodes
      ff02::2 ip6-allrouters
      ff02::3 ip6-allhosts

      {% for svr in groups.allsf %}
      {{hostvars[svr]['node_ip']}}  {{svr}}
      {% endfor %}
    dest: /etc/hosts
    owner: root
    group: root
    mode: u=r,g=r,o=r

- name: Determine network node
  set_fact:
    network_node_ip: "{{hostvars['sf-1']['node_ip']}}"
  delegate_to: localhost
  delegate_facts: true

- name: Determine primary node
  set_fact:
    primary_node_ip: "{{hostvars['sf-1']['node_ip']}}"
  delegate_to: localhost
  delegate_facts: true