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ansible_role_sshd/tasks/keys.yml

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---
- name: Generate new ssh host key pair if necessary
become: yes
command: ssh-keygen -t ecdsa -f 'ssh_host_{{ item }}_key' -P '' -q
args:
chdir: '/etc/ssh/'
creates: 'ssh_host_{{ item }}_key.pub'
notify:
- systemctl restart ssh
with_items: "{{ sshd__key_types }}"
when:
- sshd__manage_key_types | bool
- name: Remove unwanted host keys
become: yes
file:
path: '/etc/ssh/ssh_host_{{ item }}_key'
state: absent
with_items:
- rsa
- dsa
notify:
- systemctl restart ssh
- name: make sure the correct keys are available
file:
path: '/etc/ssh/ssh_host_{{ item }}_key'
state: absent
become: yes
with_items:
- "{{ sshd__key_types_list | difference( sshd__key_types ) }}"
notify:
- systemctl restart ssh
- name: make sure the correct pubkeys are available
file:
path: '/etc/ssh/ssh_host_{{ item }}_key.pub'
state: absent
become: yes
with_items:
- "{{ sshd__key_types_list | difference( sshd__key_types ) }}"
notify:
- systemctl restart ssh