Add default asound for pulse (#1538)

* Add default asound for pulse

* fix lint

* fix config

supervisor/audio.py

@@ -4,6 +4,7 @@ from contextlib import suppress
 import logging
 from pathlib import Path
 from typing import Awaitable, Optional
+import shutil
 
 import jinja2
 
@@ -18,6 +19,7 @@ from .validate import SCHEMA_AUDIO_CONFIG
 _LOGGER: logging.Logger = logging.getLogger(__name__)
 
 PULSE_CLIENT_TMPL: Path = Path(__file__).parents[0].joinpath("data/pulse-client.tmpl")
+ASOUND_TMPL: Path = Path(__file__).parents[0].joinpath("data/asound.tmpl")
 
 
 class Audio(JsonConfig, CoreSysAttributes):
@@ -31,9 +33,14 @@ class Audio(JsonConfig, CoreSysAttributes):
         self.client_template: Optional[jinja2.Template] = None
 
     @property
-    def path_extern_data(self) -> Path:
-        """Return path of pulse cookie file."""
-        return self.sys_config.path_extern_audio.joinpath("external")
+    def path_extern_pulse(self) -> Path:
+        """Return path of pulse socket file."""
+        return self.sys_config.path_extern_audio.joinpath("external/pulse.sock")
+
+    @property
+    def path_extern_asound(self) -> Path:
+        """Return path of default asound config file."""
+        return self.sys_config.path_extern_audio.joinpath("asound")
 
     @property
     def version(self) -> Optional[str]:
@@ -90,6 +97,14 @@ class Audio(JsonConfig, CoreSysAttributes):
         except OSError as err:
             _LOGGER.error("Can't read pulse-client.tmpl: %s", err)
 
+        # Setup default asound config
+        asound = self.sys_config.path_audio.joinpath("asound")
+        if not asound.exists():
+            try:
+                shutil.copy(ASOUND_TMPL, asound)
+            except OSError as err:
+                _LOGGER.error("Can't create default asound: %s", err)
+
     async def install(self) -> None:
         """Install Audio."""
         _LOGGER.info("Setup Audio plugin")

supervisor/data/asound.tmpl

@@ -0,0 +1,13 @@
+# Default to PulseAudio
+
+pcm.!default {
+    type pulse
+    hint {
+        show on
+        description "Default ALSA Output (Home Assistant PulseAudio Sound Server)"
+    }
+}
+
+ctl.!default {
+    type pulse
+}

supervisor/docker/addon.py

@@ -308,10 +308,14 @@ class DockerAddon(DockerInterface):
                         "bind": "/etc/pulse/client.conf",
                         "mode": "ro",
                     },
-                    str(self.sys_audio.path_extern_data.joinpath("pulse.sock")): {
+                    str(self.sys_audio.path_extern_pulse): {
                         "bind": "/run/pulse.sock",
                         "mode": "rw",
                     },
+                    str(self.sys_audio.path_extern_asound): {
+                        "bind": "/etc/asound.conf",
+                        "mode": "ro",
+                    },
                 }
             )