feat: client-scripts: clients.yaml: Set up yggdrasild if needed

Set up the yggdrasild configuration file to register against the Satellite
server.

Author: pablomh

playbooks/satellite/roles/client-scripts/files/clients.yaml.j2

@@ -82,6 +82,24 @@
         TZ: UTC   # make sure returned times are in UTC
       register: reg
 
+    - name: Upload yggdrasild configuration file (if rex_mode == 'mqtt')
+      ansible.builtin.copy:
+        dest: /etc/yggdrasil/config.toml
+        content: |
+          # yggdrasil global configuration settings written by katello-pull-transport-migrate
+          broker = ["mqtts://{{ server }}:1883"]
+          cert-file = "/etc/pki/consumer/cert.pem"
+          key-file = "/etc/pki/consumer/key.pem"
+          ca-root = ["/etc/rhsm/ca/katello-server-ca.pem"]
+          log-level = "error"
+      when: "rex_mode == 'mqtt'"
+
+    - name: Restart yggdrasild service unit (if rex_mode == 'mqtt')
+      ansible.builtin.systemd:
+        name: yggdrasild
+        state: restarted
+      when: "rex_mode == 'mqtt'"
+
     - name: "Register - output"
       debug:
         msg:

playbooks/tests/registrations.yaml

@@ -72,7 +72,28 @@
           &> "{{ clients_yaml_cmd_log }}"
       register: clients_yaml_cmd
       ignore_errors: true
-      when: "method == 'clients.yaml'"
+      when:
+        - method == 'clients.yaml'
+        - hostvars[groups['satellite6']|first].rex_mode is not defined or hostvars[groups['satellite6']|first].rex_mode == 'ssh'
+
+    - name: "Run clients.yaml (log = {{ clients_yaml_cmd_log }})"
+      shell: |
+        ansible-playbook \
+          --private-key /root/id_rsa_key \
+          --forks "{{ size }}" \
+          -i clients.ini \
+          -e "server={{ groups['satellite6']|first }}" \
+          -e "activationkey='ActivationKey'" \
+          -e "organization='{{ sat_orglabel }}'" \
+          -e "config_server_server_timeout='{{ config_server_server_timeout|default('') }}'" \
+          -e "rex_mode='mqtt'" \
+          clients.yaml \
+          &> "{{ clients_yaml_cmd_log }}"
+      register: clients_yaml_cmd
+      ignore_errors: true
+      when:
+        - method == 'clients.yaml'
+        - hostvars[groups['satellite6']|first].rex_mode is defined and hostvars[groups['satellite6']|first].rex_mode == 'mqtt'
 
     - name: "Run clients-register.yaml (log = {{ clients_yaml_cmd_log }})"
       shell: |