slurm-cluster-03-configure-nfs.yml

---

- name: Configure NFS
  hosts:
    - nfs_server
    - nfs_clients
  gather_facts: true
  become: true
  remote_user: "{{ local_ssh_remote_user }}"

  tasks:

    - name: Configure the NFS server
      block:

        - name: Format and mount the NFS data disk
          ansible.builtin.import_role:
            name: aeriscloud.disk
          vars:
            disk_additional_disks:
              - disk: /dev/vdb
                fstype: xfs
                mount_options: defaults
                mount: "{{ local_shared_folder }}"
                user: root
                group: root
            disk_discover_aws_nvme_ebs: False

        - name: Create folders "home" and "data" and "scratch" inside the NFS volume
          ansible.builtin.file:
            path: "{{ local_shared_folder }}/{{ item }}"
            state: directory
            mode: 0755
            owner: root
            group: root
          loop:
            - "home"
            - "data"
            - "scratch"

        - name: Configure NFS exports
          ansible.builtin.import_role:
            name: geerlingguy.nfs
          vars:
            nfs_exports:
              - "{{ local_shared_folder }}    *(rw,async,no_root_squash)"

      when: "'nfs_server' in group_names"
      tags: nfs_server

    - name: Add the nfs server to /etc/hosts
      ansible.builtin.blockinfile:
        dest: /etc/hosts
        marker_begin: "BEGIN nfs-server host"
        marker_end: "END nfs-server host"
        block: |
          {{ hostvars[groups['nfs_server'][0]]['ansible_host'] }} {{ groups['nfs_server'][0] }}
      tags: nfs_clients

    - name: Configure NFS clients
      ansible.builtin.import_role:
        name: ome.nfs_mount
      vars:
        nfs_share_mounts:
          - path: "{{ local_shared_folder }}"
            location: "{{ local_nfs_server }}:{{ local_shared_folder }}"
        nfs_version: 3
        nfs_mount_opts: rsize=8192,wsize=8192,timeo=14,intr
      when: "'nfs_clients' in group_names"
      tags: nfs_clients