Allow map special device to homeassistant docker (#75)

* Allow map special device to homeassistant docker

* fix lint

* fix '/dev/'

API.md

@@ -203,7 +203,8 @@ Optional:
 ```json
 {
     "version": "INSTALL_VERSION",
-    "last_version": "LAST_VERSION"
+    "last_version": "LAST_VERSION",
+    "devices": []
 }
 ```
 
@@ -221,6 +222,13 @@ Output the raw docker log
 
 - POST `/homeassistant/restart`
 
+- POST `/homeassistant/options`
+```json
+{
+    "devices": [],
+}
+```
+
 ### REST API addons
 
 - GET `/addons/{addon}/info`

hassio/api/__init__.py

@@ -65,6 +65,7 @@ class RestAPI(object):
         api_hass = APIHomeAssistant(self.config, self.loop, dock_homeassistant)
 
         self.webapp.router.add_get('/homeassistant/info', api_hass.info)
+        self.webapp.router.add_post('/homeassistant/options', api_hass.options)
         self.webapp.router.add_post('/homeassistant/update', api_hass.update)
         self.webapp.router.add_post('/homeassistant/restart', api_hass.restart)
         self.webapp.router.add_get('/homeassistant/logs', api_hass.logs)

hassio/api/homeassistant.py

@@ -5,10 +5,15 @@ import logging
 import voluptuous as vol
 
 from .util import api_process, api_process_raw, api_validate
-from ..const import ATTR_VERSION, ATTR_LAST_VERSION
+from ..const import ATTR_VERSION, ATTR_LAST_VERSION, ATTR_DEVICES
 
 _LOGGER = logging.getLogger(__name__)
 
+
+SCHEMA_OPTIONS = vol.Schema({
+    vol.Optional(ATTR_DEVICES): [vol.Coerce(str)],
+})
+
 SCHEMA_VERSION = vol.Schema({
     vol.Optional(ATTR_VERSION): vol.Coerce(str),
 })
@@ -29,8 +34,19 @@ class APIHomeAssistant(object):
         return {
             ATTR_VERSION: self.homeassistant.version,
             ATTR_LAST_VERSION: self.config.last_homeassistant,
+            ATTR_DEVICES: self.config.homeassistant_devices,
         }
 
+    @api_process
+    async def options(self, request):
+        """Set homeassistant options."""
+        body = await api_validate(SCHEMA_OPTIONS, request)
+
+        if ATTR_DEVICES in body:
+            self.config.homeassistant_devices = body[ATTR_DEVICES]
+
+        return True
+
     @api_process
     async def update(self, request):
         """Update homeassistant."""

hassio/config.py

@@ -18,6 +18,7 @@ DATETIME_FORMAT = "%Y%m%d %H:%M:%S"
 
 HOMEASSISTANT_CONFIG = PurePath("homeassistant")
 HOMEASSISTANT_LAST = 'homeassistant_last'
+HOMEASSISTANT_DEVICES = 'homeassistant_devices'
 
 HASSIO_SSL = PurePath("ssl")
 HASSIO_LAST = 'hassio_last'
@@ -49,6 +50,7 @@ SCHEMA_CONFIG = vol.Schema({
     vol.Optional(API_ENDPOINT): vol.Coerce(str),
     vol.Optional(TIMEZONE, default='UTC'): validate_timezone,
     vol.Optional(HOMEASSISTANT_LAST): vol.Coerce(str),
+    vol.Optional(HOMEASSISTANT_DEVICES, default=[]): [vol.Coerce(str)],
     vol.Optional(HASSIO_LAST): vol.Coerce(str),
     vol.Optional(ADDONS_CUSTOM_LIST, default=[]): [vol.Url()],
     vol.Optional(SECURITY_INITIALIZE, default=False): vol.Boolean(),
@@ -134,6 +136,7 @@ class CoreConfig(Config):
     def upstream_beta(self, value):
         """Set beta upstream mode."""
         self._data[UPSTREAM_BETA] = bool(value)
+        self.save()
 
     @property
     def timezone(self):
@@ -146,6 +149,17 @@ class CoreConfig(Config):
         self._data[TIMEZONE] = value
         self.save()
 
+    @property
+    def homeassistant_devices(self):
+        """Return list of special device to map into homeassistant."""
+        return self._data[HOMEASSISTANT_DEVICES]
+
+    @homeassistant_devices.setter
+    def homeassistant_devices(self, value):
+        """Set list of special device."""
+        self._data[HOMEASSISTANT_DEVICES] = value
+        self.save()
+
     @property
     def homeassistant_image(self):
         """Return docker homeassistant repository."""

hassio/dock/homeassistant.py

@@ -22,6 +22,18 @@ class DockerHomeAssistant(DockerBase):
         """Return name of docker container."""
         return HASS_DOCKER_NAME
 
+    @property
+    def devices(self):
+        """Create list of special device to map into docker."""
+        if not self.config.homeassistant_devices:
+            return
+
+        devices = []
+        for device in self.config.homeassistant_devices:
+            devices.append("/dev/{0}:/dev/{0}:rwm".format(device))
+
+        return devices
+
     def _run(self):
         """Run docker image.
 
@@ -39,6 +51,7 @@ class DockerHomeAssistant(DockerBase):
                 name=self.name,
                 detach=True,
                 privileged=True,
+                devices=self.devices,
                 network_mode='host',
                 environment={
                     'HASSIO': self.config.api_endpoint,