basic-compute-install.yml

- hosts: elcapitan_compute
  order: sorted
  strategy: free
  tasks:
  - name: ensure a list of packages are not installed
    yum:
      name: "{{ packages }}"
      state: absent
    vars:
      packages:
      - yelp
      - yelp-libs
      - yelp-xls
  - name: ensure epel is installed
    yum:
      state: latest
      name: 'epel-release'
  - name: ensure all packages are up-to-date
    yum:
      state: latest
      name: '*'
  - name: ensure necessary software are installed
    yum:
      name: ipmitool,nfs-utils,dnf,rsync
      state: latest
  - name: ensure convenient software are installed
    yum:
      name: htop,wget,tree,dnf
      state: latest
  - name: Ensure fstab can mount coraid, and is mounted
    mount:
        path: /home
        state: unmounted
  - name: Ensure fstab can mount coraid, and is mounted
    mount:
        path: /home
        src: 192.168.0.70:/mnt/md0
        fstype: nfs
        opts: defaults,rw,noatime
        state: mounted
        boot: yes
  - name: Ennsure rpms build dir exists for later copy
    file:
        state: directory
        path: /root/rpmbuild/RPMS
        owner: root
        group: root
  - name: copy slurm install rpms
    synchronize:
      src: /root/rpmbuild/RPMS
      dest: /root/rpmbuild/RPMS
  - name: copy slurm install srpms
    synchronize:
      src: /root/rpmbuild/SRPMS
      dest: /root/rpmbuild/SRPMS
  - name: Check if slurm.rpm is installed
    command: rpm -q slurm 
    failed_when: no
    ignore_errors: True
    register: slurm_check
  - name: Install slurm RPM if slurm is not installed
    command: yum install /root/rpmbuild/RPMS/RPMS/x86_64/slurm-slurmd-19.05.2-1.el7.x86_64.rpm /root/rpmbuild/RPMS/RPMS/x86_64/slurm-19.05.2-1.el7.x86_64.rpm -y
    when: slurm_check.rc == 1
  - name: setup slurmd
    yum:
      state: present
      name: munge, slurm-slurmd
  - name: copy munge key for compute nodes to recognize the head node controller and vice versa
    synchronize:
      src: /etc/munge/munge.key
      dest: /etc/munge/munge.key
  - name: Add a line to a file if the file does not exist, without passing regexp
    lineinfile:
      path: /etc/hosts
      line: 192.168.0.237 elcapitan3a
      state: present
  - name: Create the slurm conf directory
    file:
      path: /etc/slurm
      owner: root
      group: root
      mode: '666'
      state: directory