install_moosefs_hpc06_chunkserver.yml

## Warning, this could be very destructive, as it attempts to install a new filesystem MooseFS. Use only after discussion with 
## Colin and never use with HPCALL inventory
## This is a trial of using a powerful master server with /ssd and /data as a chunkserver concurrently

- hosts: MOOSEFS
  remote_user: rcug
  become: yes

  tasks:

  - name: Add downloaded moosefs repo gpg key
    apt_key:
         file: /working/rcug/slurm/moosefs/moosefs.key
         state: present

  - name: Add moosefs repo 
    apt_repository: 
         repo: deb http://ppa.moosefs.com/moosefs-3/apt/ubuntu/xenial xenial main
         state: present

  - name: Update APT cache
    apt: 
         update_cache: yes
         cache_valid_time: 3600
         allow_unauthenticated: yes


####################
#### Chunkservers
####################

  - name: Chunkservers Install moosefs-chunkservers 
    apt: pkg={{ item }} state='latest' install_recommends=no allow_unauthenticated=yes
    with_items:
      - moosefs-chunkserver
    when: ansible_hostname == "hpc06"


  - name: Chunkservers Setup data partitions
    become: yes
    ignore_errors: True
    file: path={{ item }} state=directory owner=mfs group=mfs mode=0770
    with_items:
        - /data/moosefs
        - /ssd/moosefs
    when: ansible_hostname == "hpc06"                                  


  - name: Chunkservers Copy the sample mfschunkserver file
    become: yes
    ignore_errors: True
    copy:
        src: /etc/mfs/mfschunkserver.cfg.sample  
        dest: /etc/mfs/mfschunkserver.cfg
    when: ansible_hostname == "hpc06"                                  

  - name: Chunkservers Copy the sample mfshdd file
    become: yes
    ignore_errors: True
    copy:
        src: /etc/mfs/mfshdd.cfg.sample
        dest: /etc/mfs/mfshdd.cfg       
    when: ansible_hostname == "hpc06"                                  


  - name: Change line in file to add partition /data
    become: yes
    lineinfile:
        path: /etc/mfs/mfshdd.cfg
        state: present  
        line: "/data/moosefs"
        backup: yes
    when: ansible_hostname == "hpc06"                                  

  - name: Change line in file to add partition /ssd
    become: yes
    lineinfile:
        path: /etc/mfs/mfshdd.cfg    
        state: present
        line: "/ssd/moosefs"
        backup: yes
    when: ansible_hostname == "hpc06"                                  

  - name: Start chunkservers
    shell: mfschunkserver restart
    when: ansible_hostname == "hpc06"