Add template mode to tripleo-ssh-known-hosts

Adds the ability to generate the ssh known hosts configuration using a
jinja2 template. The previous behavior is maintained before
tripleo-heat-templates is migrated over to use the new template mode.
Once tripleo-heat-templates is migrated, the old mode that relied on the
tripleo_ssh_known_hosts variable can be removed.

Change-Id: Ie6546c74b452be322e7a4d046d2d58b42c6ccee8
changes/60/669960/9
James Slagle 3 years ago
parent 1255faa87d
commit cb7ab955c0
  1. 3
      tripleo_ansible/roles/tripleo-ssh-known-hosts/defaults/main.yml
  2. 28
      tripleo_ansible/roles/tripleo-ssh-known-hosts/tasks/main.yml

@ -31,4 +31,7 @@
# overcloud-novacompute-1: '[172.17.25.248]*,[overcloud-novacompute-1.localdomain]*,[overcloud-novacompute-1]*,...'
# overcloud-novacompute-2: '[172.17.25.249]*,[overcloud-novacompute-2.localdomain]*,[overcloud-novacompute-2]*,...'
#
# tripleo_ssh_known_hosts_use_template: false
tripleo_ssh_known_hosts: "{{ ssh_known_hosts | default({}) }}"
tripleo_ssh_known_hosts_use_template: false

@ -43,12 +43,40 @@
when:
- _ssh_known_hosts.stat.exists | bool
- name: Set ssh_known_hosts fact
run_once: true
set_fact:
ssh_known_hosts_lines: |-
{%- for host in groups['overcloud'] | intersect(play_hosts) %}
[{{ ctlplane_ip }}]*,[{{ host }}.{{ cloud_domain }}]*,[{{ host }}]*{%- if enabled_networks | length > 0 %},{% endif %}
{%- for network in enabled_networks %}
{%- if network in role_networks %}
[{{ hostvars[host][networks[network]['name'] ~ '_ip'] }}]*,[{{ host }}.{{ networks[network]['name'] }}]*,{% if 1 %}{% endif %}
[{{ host }}.{{ networks[network]['name'] }}.{{ cloud_domain }}]*{% if not loop.last %},{% endif %}
{%- endif -%}
{%- endfor -%}
{{ ' ssh-rsa ' ~ hostvars[host]['ansible_ssh_host_key_rsa_public'] }}
{% endfor %}
when:
- tripleo_ssh_known_hosts_use_template | bool
- name: Add host keys to temporary ssh_known_hosts from rendered template
lineinfile:
path: "{{ ssh_known_hosts_tmp.path }}"
line: "{{ item }}"
create: true
with_items: "{{ ssh_known_hosts_lines.splitlines() }}"
when:
- tripleo_ssh_known_hosts_use_template | bool
- name: Add host keys to temporary ssh_known_hosts
lineinfile:
path: "{{ ssh_known_hosts_tmp.path }}"
line: "{{ tripleo_ssh_known_hosts[(hostvars[item]['ansible_hostname'] | lower)] ~ ' ssh-rsa ' ~ hostvars[item]['ansible_ssh_host_key_rsa_public'] }}"
create: true
with_items: "{{ groups['overcloud'] | intersect(play_hosts) }}"
when:
- not (tripleo_ssh_known_hosts_use_template | bool)
# Workaround https://bugs.launchpad.net/tripleo/+bug/1810932
# Ansible modules perform a replace instead of in-place modification.

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