#cloud-config
users:
  - name: core
    sudo: ALL=(ALL) NOPASSWD:ALL
    shell: /bin/bash
    groups: users
    lock_passwd: false
    ssh_authorized_keys:
      - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDAcKzAecDf0R0mrLhO2eswdq6YRpLUFN4JNonl71Dud
  - name: user2
    sudo: ALL=(ALL) NOPASSWD:ALL
    shell: /bin/bash
    groups: users
    plain_text_passwd: test
    lock_passwd: false  
ssh_pwauth: true
chpasswd: { expire: false }