mirror-env/libvirt/main.yml

---
- name: setup mirror vm
  hosts: 127.0.0.1
  gather_facts: false
  tasks:
    - name: mirbr0 network exists
      command: "virsh net-dumpxml mirbr0"
      changed_when: false
      ignore_errors: true
      register: net_exists

    - name: storage pool exists
      command: "virsh pool-dumpxml mirror"
      changed_when: false
      ignore_errors: true
      register: pool_exists

    - name: mirror vm exists
      command: "virsh dumpxml mirror"
      changed_when: false
      ignore_errors: true
      register: vm_exists

    - name: create directory for vm
      file:
        path: "{{ playbook_dir }}/vm/disks"
        state: directory
        recurse: yes
      
    - 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"

    # Installing VMs from Ready Images
    # https://www.x386.xyz/index.php/2021/01/06/kvm-on-ubuntu-server-1/ 
    - name: create ubuntu iso seed
      command:
        cmd: >
          cloud-localds 
          --network-config {{ playbook_dir }}/templates/network
          {{ playbook_dir }}/vm/seed.qcow2
          {{ playbook_dir }}/templates/user-data 
        creates: "{{ playbook_dir }}/vm/seed.qcow2"

    - name: create mirbr0 bridge network
      command: "virsh {{ item }}"
      loop: 
        - net-define {{ playbook_dir }}/templates/network.xml
        - net-autostart mirbr0
        - net-start mirbr0
      when: net_exists.rc != 0

    - name: create storage pool
      command: "virsh {{ item }}"
      loop:
        - pool-define-as mirror dir --target="{{ playbook_dir }}/vm/disks"
        - pool-build mirror
        - pool-autostart mirror
        - pool-start mirror
      when: pool_exists.rc != 0

    # hardcoded to 10G since modification would require change to user-data
    - name: create virtual disks
      command: 
        cmd: "virsh vol-create-as mirror {{ item.name }} {{ item.size }}"
        creates: "{{ playbook_dir }}/vm/disks/{{ item.name }}"
      loop:
        - { name: mirror_root1.qcow2, size: 10G }
        - { name: mirror_root2.qcow2, size: 10G }
        - { name: mirror_disk1.qcow2, size: 10G }
        - { name: mirror_disk2.qcow2, size: 10G }
        - { name: mirror_disk3.qcow2, size: 10G }
        - { name: mirror_disk4.qcow2, size: 10G }

    # does not exist yet
    # --os-variant ubuntu20.04
    - name: create vm
      command: >
        virt-install
        --name=mirror
        --memory=2048
        --vcpus=1
        --boot uefi
        --os-type linux
        --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: vm_exists.rc != 0
      # get user to set net.ipv4.ip_forward = 1 ?

      # 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

      # modprobe kvm_intel
      
      # depending on where you are installing may need to edit
      # /etc/libvirt/qemu.conf
      # user = "root"
      # group = "root"

      # then service libvirtd restart

      # adduser <youruser> libvirt
      # adduser -aG <youruser> libvirt

# this should execute in order right?
- name: setup mirror vm
  hosts: 192.168.123.2
# - modify ssh config to allow root login
# - copy over ssh public keys (if provided)
  roles:
    - "../roles/system"
    - "../roles/mirror"
    # - "../roles/ftp"
    # - "../roles/nginx"
    # - "../roles/rsync"
  # tasks:
    # allow root login from here
    # become: root

    # loop does not work...
    # - name: setup system
    #   import_role:
    #     name: "../roles/system"
    # - name: setup mirror
    #   import_role:
    #     name: "../roles/mirror"
    # - name: setup ftp
    #   import_role:
    #     name: "../roles/ftp"
    # - name: setup nginx
    #   import_role:
    #     name: "../roles/nginx"
    # - name: setup rsync
    #   import_role:
    #     name: "../roles/rsync"
    # - name: setup rsync
    #   import_role: "../roles/mirrormanager"