murmur: multiline welcome text and channels' config as a variable

defaults/main.yml

@@ -98,6 +98,48 @@ murmur_client_certificate_required: no
 murmur_send_server_version: yes
 murmur_ice_warn_unknown_properties: yes
 murmur_ice_message_size_max: 65536
+murmur_channels:
+  - name: Root
+    description: Root channel. No entry.
+    groups:
+      admin:
+        inherit: true
+        inheritable: true
+    permissions:
+      - group: all
+        deny:
+          - Enter
+        recursive: false
+        enabled: true
+      - group: all
+        allow:
+          - RegisterSelf
+          - MakeTempChannel
+      - group: admin
+        allow:
+          - MuteDeafen
+          - Move
+          - Kick
+          - Ban
+          - Register
+  - name: Welcome
+    parent: Root
+    description: Welcome channel
+    position: 0
+    isdefault: true
+  - name: Silent
+    parent: Root
+    description: Silent channel
+    position: 1
+    permissions:
+      - group: all
+        deny:
+          - Speak
+          - MakeTempChannel
+        enabled: true
+      - group: admin
+        allow:
+          - MakeTempChannel
 
 umurmur_enabled: no
 umurmur_domain: "{{ mumble_domain }}"
@@ -105,29 +147,29 @@ umurmur_max_bandwidth: 48000
 umurmur_max_users: 100
 umurmur_server_password: ""
 umurmur_channels:
-- name: Root
-  description: Root channel. No entry.
-  noenter: yes
-- name: Welcome
-  parent: Root
-  description: Welcome channel
-  position: 0
-- name: Silent
-  parent: Root
-  description: Silent channel
-  silent: yes
-  position: 1
+  - name: Root
+    description: Root channel. No entry.
+    noenter: yes
+  - name: Welcome
+    parent: Root
+    description: Welcome channel
+    position: 0
+  - name: Silent
+    parent: Root
+    description: Silent channel
+    silent: yes
+    position: 1
 umurmur_default_channel: Welcome
 umurmur_welcome_text: "Welcome on the {{ inventory_hostname }} Mumble server!"
 umurmur_channel_links:
-- source: "{{ umurmur_default_channel }}"
-  destinations: >-
-    {{ umurmur_channels
-      | selectattr('parent', 'defined')
-      | selectattr('parent', '==', umurmur_default_channel)
-      | map(attribute='name')
-      | list
-    }}
+  - source: "{{ umurmur_default_channel }}"
+    destinations: >-
+      {{ umurmur_channels
+        | selectattr('parent', 'defined')
+        | selectattr('parent', '==', umurmur_default_channel)
+        | map(attribute='name')
+        | list
+      }}
 umurmur_ssl_group: "{{ acme_ssl_group }}"
 umurmur_certificate: "{{ acme_certs_dir }}/{{ umurmur_domain }}.d/{{ acme_enabled | ternary('fullchain', 'cert') }}.pem"
 umurmur_private_key: "{{ acme_keys_dir }}/{{ umurmur_domain }}.key"