get_linux_ssh_host_fingerprint.yml

---
- name: Get the SSH Host Fingerprint of a Linux VM
  hosts: localhost
  vars_prompt:
    - name: group_name
      prompt: The resource group for the VM
      private: false
    - name: vm_name
      prompt: The name of the VM
      private: false
  vars:
    remote_cmd: ssh-keygen -lf /etc/ssh/ssh_host_ecdsa_key.pub
    az_cli_cmd: "az vm run-command invoke -g {{ group_name }} -o json -n {{ vm_name }} --command-id RunShellScript --scripts '{{ remote_cmd }}'"
  tasks:
    - name: Query {{ vm_name }} for SSH host fingerprint
      delegate_to: localhost
      ansible.builtin.command:
        cmd: "{{ az_cli_cmd }}"
      register: cmd_output
    - name: Show SSH host fingerprint for {{ vm_name }} in {{ group_name }}
      ansible.builtin.debug:
        msg: "{{ cmd_output.stdout }}"