cloud-init.yml

#cloud-config
# See examples: https://github.com/canonical/cloud-init/tree/main/doc/examples

# Hostname is automatically replaced with virt-cloud-init.sh script upon execution
hostname: default-vm
locale: en_US.UTF-8

# disable ssh access as root.
disable_root: true

# if you want to allow SSH with password, set this to true
ssh_pwauth: false

# users[0] (the first user in users) overrides the user directive.
users:
  - name: kube
    gecos: Kubernetes Clustorious
    sudo: ALL=(ALL) NOPASSWD:ALL
    groups: users, adm
    shell: /bin/bash
    lock_passwd: false
    ## Generate with:
    # $ mkpasswd --method=SHA-512 --rounds=4096
    hashed_passwd: |
      $6$rounds=4096$pBZCcpBYJ45UWZvO$79Bi.56lBlpOv/jNcc6gEEyr1z/LtfW0SV227xWbEI2lUOLtHwPBlRv7m4K9wDq0nkMt5gBDRN92MD1JHzsaB0
    ## Or use plaintext
    # plain_text_passwd: master
    ssh_authorized_keys:
      - "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJIIE8yB7iKpQoE7nhIK2WhdC+4BnLFde9kVtiaYakie eddsa-key-20250928"
    ## Import ssh from github
    # ssh_import_id:
    #   - gh:mbrav

# IPv6 is disabled by default
network:
  version: 2
  ethernets:
    eth0:
      dhcp4: true
      dhcp6: false

# Env variables
write_files:
  - path: /etc/environment
    content: |
      MY_ENV="my value"
    append: true

# list of packages to install after the VM comes up
package_upgrade: true
package_reboot_if_required: true
package_update: true
packages:
  - qemu-guest-agent
  - htop

# run the commands after the first install, the last command is saving VM ip into /tmp/my-ip file
runcmd:
  - echo "Hello World!"


# written to /var/log/cloud-init-output.log
final_message: "The system is finally up, after $UPTIME seconds"