added multica agent hosts

ansible/roles/multica_agent_host/tasks/config.yml

@@ -0,0 +1,56 @@
+---
+# The CLI owns its config file format, so the role drives `multica config set`
+# rather than templating config.json. Each key is read back first, so a
+# converged host reports zero changes.
+
+- name: Config | Build the desired configuration
+  ansible.builtin.set_fact:
+    _multica_desired_config: >-
+      {{ {
+           'server_url': multica_server_url,
+           'app_url': multica_app_url,
+           'workspaces_root': multica_workspaces_root,
+           'device_name': multica_device_name,
+           'runtime_name': multica_runtime_name,
+           'max_concurrent_tasks': multica_max_concurrent_tasks,
+           'poll_interval': multica_poll_interval,
+           'heartbeat_interval': multica_heartbeat_interval,
+           'agent_timeout': multica_agent_timeout,
+           'disable_auto_update': ('true' if multica_disable_auto_update | bool else 'false'),
+         } | dict2items
+           | rejectattr('value', 'equalto', '')
+           | list | items2dict }}
+
+- name: Config | Read the current configuration
+  ansible.builtin.command:
+    argv: "{{ _multica_cmd + ['config', 'show'] }}"
+  become: true
+  become_user: "{{ multica_user }}"
+  environment: "{{ _multica_user_env }}"
+  register: _multica_config_show
+  changed_when: false
+  check_mode: false
+
+# `config show` prints "key:<spaces>value", with "(not set)" for unset keys.
+- name: Config | Parse it
+  ansible.builtin.set_fact:
+    _multica_current_config: >-
+      {{ dict(
+           _multica_config_show.stdout_lines
+           | select('match', '^[a-z_]+:')
+           | map('regex_replace', '^([a-z_]+):\s*(.*?)\s*$', '\1|\2')
+           | map('split', '|')
+         ) }}
+
+- name: Config | Apply the keys that differ
+  ansible.builtin.command:
+    argv: "{{ _multica_cmd + ['config', 'set', item.key, item.value] }}"
+  become: true
+  become_user: "{{ multica_user }}"
+  environment: "{{ _multica_user_env }}"
+  loop: "{{ _multica_desired_config | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}={{ item.value }}"
+  when: (_multica_current_config[item.key] | default('(not set)')) != item.value
+  changed_when: true
+  notify: restart multica daemon