okd/playbooks/adhoc/create_pv/create_pv.yaml

---
#example run: 
# ansible-playbook -e "cli_volume_size=1" \
#                  -e "cli_device_name=/dev/xvdf" \
#                  -e "cli_hosttype=master" \
#                  -e "cli_environment=ops" \
#                  create_pv.yaml
# FIXME: we need to change "environment" to "clusterid" as that's what it really is now.
#
- name: Create a volume and attach it to master
  hosts: localhost
  gather_facts: no
  vars:
    cli_volume_type: gp2
    cli_volume_iops: ''
    oo_name: "{{ groups['tag_host-type_' ~ cli_hosttype] |
                 intersect(groups['tag_environment_' ~ cli_environment]) |
                 first }}"
  pre_tasks:
  - fail:
      msg: "This playbook requires {{item}} to be set."
    when: "{{ item }} is not defined or {{ item }} == ''"
    with_items:
    - cli_volume_size
    - cli_device_name
    - cli_hosttype
    - cli_environment

  - name: set oo_name fact
    set_fact:
      oo_name: "{{ oo_name }}"


  - name: Select a single master to run this on
    add_host:
      hostname: "{{ oo_name }}"
      ansible_ssh_host: "{{ hostvars[oo_name].ec2_public_dns_name }}"
      groups: oo_master

  - name: Create a volume and attach it
    ec2_vol:
      state: present
      instance: "{{ hostvars[oo_name]['ec2_id'] }}"
      region: "{{ hostvars[oo_name]['ec2_region'] }}"
      volume_size: "{{ cli_volume_size }}"
      volume_type: "{{ cli_volume_type }}"
      device_name: "{{ cli_device_name }}"
      iops: "{{ cli_volume_iops }}"
    register: vol

  - debug: var=vol

- name: Configure the drive
  gather_facts: no
  hosts: oo_master
  user: root
  connection: ssh
  vars:
    pv_tmpdir: /tmp/persistentvolumes

  post_tasks:
  - name: Setting facts for template
    set_fact:
      pv_name: "pv-{{cli_volume_size}}-{{ hostvars[hostvars.localhost.oo_name]['ec2_tag_Name'] }}-{{hostvars.localhost.vol.volume_id }}"
      vol_az: "{{ hostvars[hostvars.localhost.oo_name]['ec2_placement'] }}"
      vol_id: "{{ hostvars.localhost.vol.volume_id }}"
      vol_size: "{{ cli_volume_size }}"
      pv_mntdir: "{{ pv_tmpdir }}/mnt-{{ 1000 | random }}"

  - set_fact:
      pv_template: "{{ pv_tmpdir }}/{{ pv_name }}.yaml"

  - name: "Mkdir {{ pv_tmpdir }}"
    file:
      state: directory
      path: "{{ pv_tmpdir }}"
      mode: '0750'

  - name: "Mkdir {{ pv_mntdir }}"
    file:
      state: directory
      path: "{{ pv_mntdir }}"
      mode: '0750'

  - name: Create pv file from template
    template:
      src: ./pv-template.j2
      dest: "{{ pv_template }}"
      owner: root
      mode: '0640'

  - name: mkfs
    filesystem:
      dev: "{{ cli_device_name }}"
      fstype: ext4
    
  - name: Mount the dev
    mount:
      name: "{{ pv_mntdir }}"
      src: "{{ cli_device_name }}"
      fstype: ext4
      state: mounted

  - name: chgrp g+rwXs
    file: 
      path: "{{ pv_mntdir }}"
      mode: 'g+rwXs'
      recurse: yes
      seuser: system_u
      serole: object_r
      setype: svirt_sandbox_file_t
      selevel: s0

  - name: umount
    mount:
      name: "{{ pv_mntdir }}"
      src: "{{ cli_device_name }}"
      state: unmounted
      fstype: ext4

  - name: detach drive
    delegate_to: localhost
    ec2_vol:
      region: "{{ hostvars[hostvars.localhost.oo_name].ec2_region }}"
      id: "{{ hostvars.localhost.vol.volume_id }}"
      instance: None

  - name: "Remove {{ pv_mntdir }}"
    file:
      state: absent
      path: "{{ pv_mntdir }}"

  # We have to use the shell module because we can't set env vars with the command module.
  - name: "Place PV into oc"
    shell: "KUBECONFIG=/etc/openshift/master/admin.kubeconfig oc create -f {{ pv_template | quote }}"
    register: oc_output

  - debug: var=oc_output

  - fail: 
      msg: "Failed to add {{ pv_template }} to master."
    when: oc_output.rc != 0