diff --git a/hassio_api/README.md b/hassio_api/README.md
index 1983176b1..057a76ec1 100644
--- a/hassio_api/README.md
+++ b/hassio_api/README.md
@@ -23,15 +23,20 @@ Communicate over unix socket with a host daemon.
 
 - Answer
 ```
-[{}]
-OK|ERROR
+{}|OK|ERROR
 ```
 
 ## HassIO REST API
 
 Interface for HomeAssistant to controll things from supervisor.
 
-### host
+### HassIO
+
+- `/host/update`
+Payload: {'version': '0.XX'}
+If version is None it read last version from server.
+
+### Host
 - `/host/network`
 Payload: {'hostname': '', 'mode': 'dhcp|fixed', 'ssid': '', 'ip': '', 'netmask': '', 'gateway': ''}
 
@@ -41,30 +46,33 @@ Payload: {'hostname': '', 'mode': 'dhcp|fixed', 'ssid': '', 'ip': '', 'netmask':
 
 - `/host/info`
 
+- `/host/update`
+On some device we support host upates. Like ResinOS.
 
-### /homeassistant/info
+### HomeAssistant
 
-### /homeassistant/update
-- Payload: {'version': '0.XX.Y'}
+- `/homeassistant/info`
+
+- `/homeassistant/update`
+Payload: {'version': '0.XX.Y'}
 If version is None it read last version from server.
 
-## REST API addons
+### REST API addons
 
-### /addons/info
+- `/addons/info`
 
-### /addons/reload
+- `/addons/reload`
 
-### /addons/{addon}/start
-- Payload: {'options': {}}
+- `/addons/{addon}/start`
+Payload: {'options': {}}
 
-### /addons/{addon}/stop
+- `/addons/{addon}/stop`
 
-### /addons/{addon}/install
-- Payload: {'version': 'x.x'}
+- `/addons/{addon}/install`
+Payload: {'version': 'x.x'}
 
-### /addons/{addon}/uninstall
-
-### /addons/{addon}/update
-- Payload: {'version': 'x.x'}
+- `/addons/{addon}/uninstall`
 
+- `/addons/{addon}/update`
+Payload: {'version': 'x.x'}
 If version is None it read last version from server.
diff --git a/hassio_api/hassio/bootstrap.py b/hassio_api/hassio/bootstrap.py
index 6cb5ed47f..1583ee214 100644
--- a/hassio_api/hassio/bootstrap.py
+++ b/hassio_api/hassio/bootstrap.py
@@ -5,7 +5,7 @@ import os
 
 from colorlog import ColoredFormatter
 
-from .const import FILE_HASSIO_ADDONS
+from .const import FILE_HASSIO_ADDONS, SOCKET_DOCKER
 from .config import CoreConfig
 
 _LOGGER = logging.getLogger(__name__)
@@ -61,7 +61,7 @@ def initialize_logging():
 
 def check_environment():
     """Check if all environment are exists."""
-    for key in ('SUPERVISOR_SHARE', 'SUPERVISOR_NAME', 'DOCKER_SOCKET',
+    for key in ('SUPERVISOR_SHARE', 'SUPERVISOR_NAME',
                 'HOMEASSISTANT_REPOSITORY'):
         try:
             os.environ[key]
@@ -69,7 +69,7 @@ def check_environment():
             _LOGGER.fatal("Can't find %s in env!", key)
             return False
 
-    if not os.path.isfile(os.environ['DOCKER_SOCKET']):
+    if not os.path.isfile(SOCKET_DOCKER):
         _LOGGER.fatal("Can't find docker socket!")
         return False
 
diff --git a/hassio_api/hassio/config.py b/hassio_api/hassio/config.py
index fbc4ae14d..cd42d5b4e 100644
--- a/hassio_api/hassio/config.py
+++ b/hassio_api/hassio/config.py
@@ -4,9 +4,9 @@ import logging
 import os
 
 from .const import (
-    FILE_HASSIO_CONFIG, CONF_SUPERVISOR_TAG, CONF_SUPERVISOR_IMAGE,
-    CONF_HOMEASSISTANT_TAG, CONF_HOMEASSISTANT_IMAGE, HOMEASSISTANT_SSL,
-    HOMEASSISTANT_CONFIG, HASSIO_SHARE_EXT, HASSIO_SHARE_INT)
+    FILE_HASSIO_CONFIG, HOMEASSISTANT_TAG, HOMEASSISTANT_IMAGE,
+    HOMEASSISTANT_SSL, HOMEASSISTANT_CONFIG, HASSIO_SHARE_EXT,
+    HASSIO_SHARE_INT)
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -29,9 +29,8 @@ class CoreConfig(object):
 
         if not self._data:
             self._data.update({
-                CONF_HOMEASSISTANT_IMAGE:
-                    os.environ['HOMEASSISTANT_REPOSITORY'],
-                CONF_HOMEASSISTANT_TAG: '',
+                HOMEASSISTANT_IMAGE: os.environ['HOMEASSISTANT_REPOSITORY'],
+                HOMEASSISTANT_TAG: '',
             })
 
     def save(self):
@@ -45,17 +44,17 @@ class CoreConfig(object):
     @property
     def homeassistant_image(self):
         """Return docker homeassistant repository."""
-        return self._data.get(CONF_HOMEASSISTANT_IMAGE)
+        return self._data.get(HOMEASSISTANT_IMAGE)
 
     @property
     def homeassistant_tag(self):
         """Return docker homeassistant tag."""
-        return self._data.get(CONF_HOMEASSISTANT_TAG)
+        return self._data.get(HOMEASSISTANT_TAG)
 
     @homeassistant_tag.setter
     def homeassistant_tag(self, value):
         """Set docker homeassistant tag."""
-        self._data[CONF_HOMEASSISTANT_TAG] = value
+        self._data[HOMEASSISTANT_TAG] = value
         self.save()
 
     @property
diff --git a/hassio_api/hassio/const.py b/hassio_api/hassio/const.py
index 898679263..97239ae84 100644
--- a/hassio_api/hassio/const.py
+++ b/hassio_api/hassio/const.py
@@ -1,7 +1,7 @@
 """Const file for HassIO."""
 import os
 
-URL_SUPERVISOR_VERSION = \
+URL_HASSIO_VERSION = \
     'https://raw.githubusercontent.com/pvizeli/hassio/master/version.json'
 
 URL_ADDONS_REPO = 'https://github.com/pvizeli/hassio-addons'
@@ -15,12 +15,13 @@ HASSIO_SHARE_EXT = os.environ['SUPERVISOR_SHARE']
 HASSIO_SHARE_INT = '/data'
 HASSIO_DOCKER = os.environ['SUPERVISOR_NAME']
 
+SOCKET_DOCKER = "/var/run/docker.sock"
+SOCKET_HC = "/var/run/hassio-hc.sock"
+
 HOMEASSISTANT_CONFIG = "{}/homeassistant_config"
 HOMEASSISTANT_SSL = "{}/homeassistant_ssl"
 
 HTTP_PORT = 9123
 
-CONF_SUPERVISOR_IMAGE = 'supervisor_image'
-CONF_SUPERVISOR_TAG = 'supervisor_tag'
-CONF_HOMEASSISTANT_IMAGE = 'homeassistant_image'
-CONF_HOMEASSISTANT_TAG = 'homeassistant_tag'
+HOMEASSISTANT_IMAGE = 'homeassistant_image'
+HOMEASSISTANT_TAG = 'homeassistant_tag'
diff --git a/hassio_api/hassio/core.py b/hassio_api/hassio/core.py
index 5f695aeaf..c81a6370a 100644
--- a/hassio_api/hassio/core.py
+++ b/hassio_api/hassio/core.py
@@ -5,9 +5,8 @@ import logging
 import aiohttp
 import docker
 
-import hassio.bootstrap as bootstrap
-import hassio.tools as tools
-from .const import CONF_HOMEASSISTANT_TAG
+from . import bootstrap, tools
+from .const import HOMEASSISTANT_TAG, SOCKET_DOCKER
 from .docker.homeassistant import DockerHomeAssistant
 from .docker.supervisor import DockerSupervisor
 
@@ -18,7 +17,7 @@ async def run_hassio(loop):
     """Start HassIO."""
     websession = aiohttp.ClientSession(loop=loop)
     dock = docker.DockerClient(
-        base_url='unix://var/run/docker.sock', version='auto')
+        base_url="unix:/{}".format(SOCKET_DOCKER), version='auto')
 
     # init system
     config = bootstrap.initialize_system_data()
@@ -42,12 +41,12 @@ async def run_hassio(loop):
         while True:
             current = await tools.fetch_current_versions(websession)
             if current and CONF_HOMEASSISTANT_TAG in current:
-                if await docker_hass.install(current[CONF_HOMEASSISTANT_TAG]):
+                if await docker_hass.install(current[HOMEASSISTANT_TAG]):
                     break
             _LOGGER.warning("Can't fetch info from github. Retry in 60.")
             await asyncio.sleep(60, loop=loop)
 
-        config.homeassistant_tag = current[CONF_HOMEASSISTANT_TAG]
+        config.homeassistant_tag = current[HOMEASSISTANT_TAG]
     else:
         _LOGGER.info("HomeAssistant docker is exists.")
 
diff --git a/hassio_api/hassio/host_controll.py b/hassio_api/hassio/host_controll.py
new file mode 100644
index 000000000..a5edcbf63
--- /dev/null
+++ b/hassio_api/hassio/host_controll.py
@@ -0,0 +1,13 @@
+"""Host controll for HassIO."""
+import asyncio
+import logging
+
+from .const import SOCKET_HC
+
+_LOGGER = logging.getLogger(__name__)
+
+class HostControll(object):
+    """Manage host function."""
+
+    def __init__(self, loop):
+        """Initialize host controll."""
diff --git a/hassio_api/hassio/tools.py b/hassio_api/hassio/tools.py
index ff314d70f..b44ffaf59 100644
--- a/hassio_api/hassio/tools.py
+++ b/hassio_api/hassio/tools.py
@@ -4,7 +4,7 @@ import re
 
 import async_timeout
 
-from .const import URL_SUPERVISOR_VERSION
+from .const import URL_HASSIO_VERSION
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -16,7 +16,7 @@ async def fetch_current_versions(websession):
     """Fetch current versions from github."""
     try:
         with async_timeout.timeout(10, loop=websession.loop):
-            async with websession.get(URL_SUPERVISOR_VERSION) as request:
+            async with websession.get(URL_HASSIO_VERSION) as request:
                 return await request.json()
 
     except Exception as err:  # pylint: disable=broad-except
diff --git a/meta-hassio/recipes-containers/docker-disk/docker-resin-supervisor-disk/start-resin-supervisor b/meta-hassio/recipes-containers/docker-disk/docker-resin-supervisor-disk/start-resin-supervisor
index ea3b35c16..151bd7334 100644
--- a/meta-hassio/recipes-containers/docker-disk/docker-resin-supervisor-disk/start-resin-supervisor
+++ b/meta-hassio/recipes-containers/docker-disk/docker-resin-supervisor-disk/start-resin-supervisor
@@ -13,8 +13,6 @@ runSupervisor() {
         -v /var/run/hassio-hc.sock:/var/run/hassio-hc.sock \
         -v /resin-data:/data \
         -v /var/log/supervisor-log:/var/log \
-        -e DOCKER_SOCKET=/var/run/docker.sock \
-        -e HASSIO_HC_SOCKET=/var/run/hassio-hc.sock \
         -e SUPERVISOR_SHARE=/resin-data \
         -e SUPERVISOR_NAME=resin_supervisor \
         -e HOMEASSISTANT_REPOSITORY=${HOMEASSISTANT_REPOSITORY} \
diff --git a/supervisor/README.md b/supervisor/README.md
index 2660d799d..6fbc08148 100644
--- a/supervisor/README.md
+++ b/supervisor/README.md
@@ -13,8 +13,6 @@ docker run --privileged --name resin_supervisor \
     -v /var/run/hassio-hc.sock:/var/run/hassio-hc.sock \
     -v /resin-data:/data \
     -v /var/log/supervisor-log:/var/log \
-    -e DOCKER_SOCKET=/var/run/docker.sock \
-    -e HASSIO_HC_SOCKET=/var/run/hassio-hc.sock \
     -e SUPERVISOR_SHARE=/resin-data \
     -e SUPERVISOR_NAME=resin_supervisor \
     -e HOMEASSISTANT_REPOSITORY=${HOMEASSISTANT_REPOSITORY} \