Add mosquitto role and add playbook to deploy MQTT broker on automation.z9

inventories/thinkcccentre/host_vars/automation.yml

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+mosquitto__mosquitto_conf_content: "{{ lookup('ansible.builtin.file', 'configs/automation/mosquitto/mosquitto.conf') }}"
+mosquitto__configs:
+  - name: winkekatz
+    content: "{{ lookup('ansible.builtin.file', 'configs/automation/mosquitto/winkekatz.conf') }}"

playbooks/deploy_automation.yml

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+---
+- name: Deploy mosquitto MQTT broker on automation.z9
+  become: true
+  hosts: automation
+  roles:
+    - mosquitto

playbooks/files/configs/automation/mosquitto/mosquitto.conf

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+# Place your local configuration in /etc/mosquitto/conf.d/
+#
+# A full description of the configuration file is at
+# /usr/share/doc/mosquitto/examples/mosquitto.conf.example
+
+per_listener_settings false
+listener 1883 
+allow_anonymous true
+pid_file /run/mosquitto/mosquitto.pid
+
+persistence true
+persistence_location /var/lib/mosquitto/
+
+log_dest file /var/log/mosquitto/mosquitto.log
+
+include_dir /etc/mosquitto/conf.d

playbooks/files/configs/automation/mosquitto/winkekatz.conf

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+connection winkekatz
+address mqtt.winkekatze24.de
+topic winkekatze/# both 
+bridge_protocol_version mqttv311
+
+topic "" in 2 devices/katz9/eyecolor/eyecolor/set jimmykater/eye/set
+topic "" in 2 devices/katz9/command/wink/set winkekatze/allcats
+topic "" out 2 devices/katz9/command/status katz9/status
+topic "" out 2 devices/katz9/$online katz9/connected
+topic "" in 2 devices/katz9/command/wink/set katz9/command

playbooks/roles/mosquitto/handlers/main.yml

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+---
+- name: Restart mosquitto
+  ansible.builtin.systemd:
+    service: mosquitto.service
+    state: restarted

playbooks/roles/mosquitto/meta/argument_specs.yml

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+---
+argument_specs:
+  main:
+    options:
+      mosquitto__mosquitto_conf_content:
+        description: The content of the main mosquitto configuration file.
+        type: str
+        required: true
+      mosquitto__configs:
+        description: A list of additional mosquitto configurations.
+        type: list
+        elements: dict
+        required: false
+        options:
+          name:
+            description: >-
+              The name of the configuration file, where the configuration should
+              be deployed to. The file will be placed under `/etc/mosquitto/conf.d` and
+              `.conf` will be appended to the given name. So in the end the path
+              will be like this: `/etc/mosquitto/conf.d/\{\ name \}\}.conf`.
+            type: str
+            required: true
+          content:
+            description: The content of the configuration.
+            type: str
+            required: true

playbooks/roles/mosquitto/meta/main.yml

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+---
+dependencies:
+  - role: distribution_check
+    vars:
+      distribution_check__supported_distributions:
+        - name: Debian
+          versions:
+            - "11"

playbooks/roles/mosquitto/tasks/main.yml

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+---
+- name: Ensure mosquitto is installed
+  ansible.builtin.apt:
+    name: mosquitto
+- name: Ensure main configuraton file is deployed
+  ansible.builtin.copy:
+    content: "{{ mosquitto__mosquitto_conf_content }}"
+    dest: /etc/mosquitto/mosquitto.conf
+    mode: 0644
+    owner: root
+    group: root
+  notify: Restart mosquitto
+- name: Ensure all additional configuraton files are deployed
+  ansible.builtin.copy:
+    content: "{{ item.content }}"
+    dest: /etc/mosquitto/conf.d/{{ item.name }}.conf
+    mode: 0644
+    owner: root
+    group: root
+  loop: "{{ mosquitto__configs }}"
+  notify: Restart mosquitto
+- name: Ensure mosquitto service is enabled and started
+  ansible.builtin.systemd:
+    service: mosquitto.service
+    enabled: true
+    state: started