---
- name: setup mirror vm
  hosts: 127.0.0.1
  tasks:
    - name: ubuntu iso exists
      stat:
        path: "{{ playbook_dir }}/vm/ubuntu20_04.iso"
      register: iso_exists
      ignore_errors: true

    - name: ubuntu iso seed exists
      stat: 
        path: "{{ playbook_dir }}/vm/seed.qcow2"
      register: seed_exists
      ignore_errors: true

    - name: mirror vm exists
      command: "virsh dumpxml mirror > /dev/null 2>&1"
      register: vm_exists
      ignore_errors: true

    - name: storage pool exists
      command: "virsh pool-dumpxml mirror > /dev/null 2>&1"
      register: pool_exists
      ignore_errors: true

    - name: mirbr0 network exists
      command: "virsh net-dumpxml mirbr0 > /dev/null 2>&1"
      register: net_exists
      ignore_errors: true

    - name: create directory for vm
      file:
        path: "{{ playbook_dir }}/vm"
        state: directory
      
    - name: fetch ubuntu iso
      get_url:
        url: https://releases.ubuntu.com/20.04.3/ubuntu-20.04.3-live-server-amd64.iso
        dest: "{{ playbook_dir }}/vm/ubuntu20_04.iso"
      when: iso_exists.stat.exists == false

# requires: cloud-localds (cloud-image-utils)

# Installing VMs from Ready Images
# https://www.x386.xyz/index.php/2021/01/06/kvm-on-ubuntu-server-1/ 

# apply network config
#    --network-config {{ playbook_dir }}/templates/network
    - name: create ubuntu iso seed
      command: >
        cloud-localds 
        {{ playbook_dir }}/vm/seed.qcow2
        {{ playbook_dir }}/templates/user-data 
      when: seed_exists.stat.exists == false

# get user to set net.ipv4.ip_forward = 1 ?
    - name: create mirbr0 bridge network
      command: "virsh {{ item }}"
      with_items: 
        - net-define {{ playbook_dir }}/templates/network.xml
        - net-autostart mirbr0
        - net-start mirbr0
      when: not net_exists.rc == 0

    - name: create storage pool
      command: "virsh {{ item }}"
      with_items:
        - pool-define-as mirror dir --target="{{ playbook_dir }}/vm/"
        - pool-build mirror
        - pool-start mirror
        - pool-autostart mirror
      when: not pool_exists.rc == 0

# any way to check skip virtual disks that are already created?
# for now just hardcoding size as 10G since will need to mod user-data to use different values
# could just check for each if they are created
    - name: create virtual disks
      command: "virsh vol-create-as mirror {{ item }}"
      with_items:
        - mirror_root1.qcow2 10G
        - mirror_root2.qcow2 10G
        - mirror_disk1.qcow2 10G
        - mirror_disk2.qcow2 10G
        - mirror_disk3.qcow2 10G
        - mirror_disk4.qcow2 10G

    - name: create vm
      command: >
        virt-install
        --name=mirror
        --memory=2048
        --vcpus=1
        --boot uefi
        --os-type linux --os-variant ubuntu20.04
        --disk path={{ playbook_dir }}/vm/seed.qcow2,device=cdrom
        --disk vol=mirror/mirror_root1.qcow2
        --disk vol=mirror/mirror_root2.qcow2
        --disk vol=mirror/mirror_disk1.qcow2
        --disk vol=mirror/mirror_disk2.qcow2
        --disk vol=mirror/mirror_disk3.qcow2
        --disk vol=mirror/mirror_disk4.qcow2
        --network bridge=mirbr0
        --graphics vnc,port=5911,listen=127.0.0.1
        --noautoconsole
      when: not vm_exists.rc == 0
      # in the vm to disable cloud-init run 
      # sudo touch /etc/cloud/cloud-init.disabled

      # wait ? seconds (hope that vm is made in foreground)
      # copy over pub key into /root/.ssh/authorized_keys
      # add line to ssh config that allows ssh as root

# roles are called relative to playbook
- name: setup mirror services
  hosts: 192.168.123.2
  include_role: "../roles/{{ item }}"
  with_items:
    - zfs
#    - index
#    - nginx
#    - rsync
#    - ftp