deploy-vm.yml

# ansible-playbook -i deploy-vm.yml -e vm_name=test

---
- name: Deploy VM on Libvirt
  hosts: localhost
  vars:
    qemu_connection: "qemu:///system"
    vm_domain: tatu.lab
    vm_memory: 1024
    vm_network: default
    libvirt_dir: /var/lib/libvirt/images
    staging_dir: /tmp
    image_name: "cloud-image.iso"
    image_url: "https://cloud.centos.org/centos/8/x86_64/images/CentOS-8-GenericCloud-8.4.2105-20210603.0.x86_64.qcow2"
    image_checksum: "sha256:3510fc7deb3e1939dbf3fe6f65a02ab1efcc763480bc352e4c06eca2e4f7c2a2"

  tasks:
    - name: Install deps
      become: true
      dnf:
        name:
          - virt-install
          - qemu-img
  
    - name: Download Cloud Image ISO
      get_url:
        url: "{{ image_url }}"
        dest: "{{ staging_dir }}/{{ image_name }}"
        checksum: "{{ image_checksum }}"

    - name: Render meta-data template
      template:
        src: templates/cloud-vm-meta-data.j2
        dest: "{{ staging_dir }}/{{ vm_name }}-meta-data"

    - name: Render user-data template
      template:
        src: templates/cloud-vm-user-data.j2
        dest: "{{ staging_dir }}/{{ vm_name }}-user-data"

    - name: Create {{ vm_name }} qcow2 file
      become: true
      shell:  qemu-img  create -f qcow2 -o backing_file={{ staging_dir }}/{{ image_name }} -F qcow2 {{ libvirt_dir }}/{{ vm_name }}.qcow2

    - name: Generate {{ vm_name }} boot ISO
      shell: genisoimage -o {{ staging_dir }}/{{ vm_name }}_config.iso -V cidata -r -J {{ staging_dir }}/{{ vm_name }}-user-data {{ staging_dir }}/{{ vm_name }}-meta-data

    - name: Create {{ vm_start }}
      shell: virt-install --connect {{ qemu_connection }} -n {{ vm_name }}  -r  {{ vm_memory }} -w network={{ vm_network }} --import --disk path={{ libvirt_dir }}/{{ vm_name }}.qcow2  --disk path={{ staging_dir }}/{{ vm_name }}_config.iso,device=cdrom --nographics

templates__cloud-vm-meta-data.j2

instance-id: {{ vm_name }}
hostname: {{ vm_name }}
local-hostname: {{ vm_name }}
dsmode: local

templates__cloud-vm-user-data.j2

#cloud-config

preserve_hostname: False
hostname: {{ vm_name }}
fqdn: {{vm_name}}.{{ vm_domain }}
package_upgrade: true
disable_root: false
packages:
  - vim-enhanced
  - git
  - net-tools
  - wget

# Remove cloud-init when finished with it
#runcmd:
  #- [ yum, -y, remove, cloud-init ]
  #- [userdel, centos]

# Update /etc/motd
write_files:
  - content: |
     IP address: \4
    path: /etc/issue
    append: true

# Configure where output will go
output: 
  all: ">> /var/log/cloud-init.log"

# configure interaction with ssh server
ssh_svcname: ssh
ssh_deletekeys: True
ssh_genkeytypes: ['rsa', 'ecdsa']

users:
  - default
  - name: foo
    shell: /bin/bash
    passwd: $6$l1CK47VrjvO54CvV$I2NxEC68mDzs4P5dYcsJlmCQDumWFUB/Ik4DD67rqzFBToYswmQIS2CYnDQFn.bJP7ePHGa8igEElV7QdOgU21
    sudo: ALL=(ALL) NOPASSWD:ALL
    groups: users, wheel
    ssh_authorized_keys:
      - ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAqHnJBxfuSqiRkNcmakVyjkAHZF9BgcQVePOM48vXzJzrOUqrw/aeTQnnuupc/ibo2O3T1R0Wf3KzDM+0TA2PbwGwiuqSl01vemm94wRuvlleQ7zNqkMiDdkwDKnkJiEWwMxjqsctXdtJlSlW+SivQMPuXBUBrbQgYNQXgtiNQwfOhzSX1RezKFzBd4YX98ZMxjNiyPQ6LKF8skkKy8HJ1DQiYFeV4zuvRsqIgl0MPG2dD+BlGEASFs+3YfJWb+ir1l15tuzwF2/SzzR/9vrHTmCdcWuWD3quteSOQS7HW5MwHboLKGJCcDaVfUuUxaxvpCsFdJEAvxbDQl4tRWn4Pw== mdemello@mmello.gru.redhat.com