First commit

4 files changed, 114 insertions, 0 deletions

diff --git a/defaults/main.yml b/defaults/main.yml
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index 0000000..fa38906
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,2 @@
+---
+avahi_service_groups: {}
diff --git a/handlers/main.yml b/handlers/main.yml
new file mode 100644
index 0000000..f8a986b
--- /dev/null
+++ b/handlers/main.yml
@@ -0,0 +1,5 @@
+---
+- name: restart avahi
+  systemd:
+    name: avahi-daemon
+    state: restarted
diff --git a/tasks/main.yml b/tasks/main.yml
new file mode 100644
index 0000000..6c08fb3
--- /dev/null
+++ b/tasks/main.yml
@@ -0,0 +1,15 @@
+---
+- name: Install daemon
+  apt:
+    name: avahi-daemon
+
+- name: Enable and start avahi-daemon
+  systemd:
+    name: avahi-daemon
+    state: started
+    enabled: true
+
+- include_tasks: service-group.yml
+  loop: "{{ avahi_service_groups }}"
+  loop_control:
+    loop_var: avahi_service_group
diff --git a/tasks/service-group.yml b/tasks/service-group.yml
new file mode 100644
index 0000000..dd661b0
--- /dev/null
+++ b/tasks/service-group.yml
@@ -0,0 +1,92 @@
+---
+- name: Create base config
+  copy:
+    dest: /tmp/{{ avahi_service_group.filename }}.service-tmp
+    content: |
+      <?xml version="1.0" standalone='no'?>
+      <!DOCTYPE service-group SYSTEM "avahi-service.dtd">
+      <service-group>
+      </service-group>
+  changed_when: false
+
+- name: Create service definition
+  file:
+    path: /etc/avahi/services/{{ avahi_service_group.filename }}.service
+    state: touch
+    modification_time: preserve
+    owner: root
+    group: root
+    mode: u=rw,g=r,o=r
+  changed_when: false
+
+- name: Create base config
+  copy:
+    dest: /tmp/{{ avahi_service_group.filename }}.service-tmp
+    content: |
+      <?xml version="1.0" standalone='no'?>
+      <!DOCTYPE service-group SYSTEM "avahi-service.dtd">
+      <service-group>
+      </service-group>
+  changed_when: false
+
+- name: Set service name
+  community.general.xml:
+    path: /tmp/{{ avahi_service_group.filename }}.service-tmp
+    xpath: /service-group/name
+    value: "{{ avahi_service_group.name }}"
+  changed_when: false
+
+- name: Set service attributes
+  community.general.xml:
+    path: /tmp/{{ avahi_service_group.filename }}.service-tmp
+    xpath: "/service-group/name"
+    value: "{{ item.value }}"
+    attribute: "{{ item.key }}"
+  loop: "{{ avahi_service_group.attributes | dict2items }}"
+  changed_when: false
+
+- name: Add services
+  community.general.xml:
+    path: /tmp/{{ avahi_service_group.filename }}.service-tmp
+    xpath: "/service-group"
+    add_children:
+      - service:
+          protocol: "{{ item.protocol | default('any') }}"
+          _:
+            - type: "{{ item.type }}"
+            - port: "{{ item.port | default(0) }}"
+  loop: "{{ avahi_service_group.services }}"
+  changed_when: false
+
+- name: Add service txt-records
+  community.general.xml:
+    path: /tmp/{{ avahi_service_group.filename }}.service-tmp
+    xpath: "/service-group/service[./type='{{ item.0.type }}']"
+    add_children:
+      - txt-record: "{{ item.1.value }}"
+  loop: "{{ avahi_service_group.services | subelements('txt-records', 'skip_missing=True') }}"
+  changed_when: false
+
+- name: Add value format to txt-records
+  community.general.xml:
+    path: /tmp/{{ avahi_service_group.filename }}.service-tmp
+    xpath: "/service-group/service[./type='{{ item.0.type }}']/txt-record[text()='{{ item.1.value }}']"
+    attribute: value-format
+    value: "{{ item.1['value-format'] | default('text') }}"
+  loop: "{{ avahi_service_group.services | subelements('txt-records', 'skip_missing=True') }}"
+  changed_when: false
+
+- stat:
+    path: "{{ item }}"
+  loop:
+    - "/tmp/{{ avahi_service_group.filename }}.service-tmp"
+    - "/etc/avahi/services/{{ avahi_service_group.filename }}.service"
+  register: avahi_service_group_stat
+
+- ansible.builtin.copy:
+    src: "/tmp/{{ avahi_service_group.filename }}.service-tmp"
+    dest: "/etc/avahi/services/{{ avahi_service_group.filename }}.service"
+    mode: preserve
+    remote_src: true
+  when: avahi_service_group_stat.results[0].stat.checksum != avahi_service_group_stat.results[0].stat.checksum
+  notify: ["restart avahi"]