From 657ee84e39ca2d1207986b493c7a310032214a2a Mon Sep 17 00:00:00 2001
From: Pascal Vizeli <pvizeli@syshack.ch>
Date: Sat, 28 Mar 2020 16:10:22 +0100
Subject: [PATCH 1/3] Bump version to 213

---
 supervisor/const.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/supervisor/const.py b/supervisor/const.py
index 9746c4470..6c701dc57 100644
--- a/supervisor/const.py
+++ b/supervisor/const.py
@@ -3,7 +3,7 @@ from enum import Enum
 from ipaddress import ip_network
 from pathlib import Path
 
-SUPERVISOR_VERSION = "212"
+SUPERVISOR_VERSION = "213"
 
 
 URL_HASSIO_ADDONS = "https://github.com/home-assistant/hassio-addons"

From 7b2377291f1027d5e739affbe5e896e3bfe303af Mon Sep 17 00:00:00 2001
From: Pascal Vizeli <pvizeli@syshack.ch>
Date: Sat, 28 Mar 2020 17:05:42 +0100
Subject: [PATCH 2/3] Fix error handling on tasks (#1608)

---
 supervisor/tasks.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/supervisor/tasks.py b/supervisor/tasks.py
index a24f9b3f5..4aa569e40 100644
--- a/supervisor/tasks.py
+++ b/supervisor/tasks.py
@@ -3,7 +3,7 @@ import asyncio
 import logging
 
 from .coresys import CoreSysAttributes
-from .exceptions import HomeAssistantError, CoreDNSError
+from .exceptions import AudioError, CliError, CoreDNSError, HomeAssistantError
 
 _LOGGER: logging.Logger = logging.getLogger(__name__)
 
@@ -258,7 +258,7 @@ class Tasks(CoreSysAttributes):
 
         try:
             await self.sys_audio.start()
-        except CoreDNSError:
+        except AudioError:
             _LOGGER.error("Watchdog PulseAudio reanimation fails!")
 
     async def _watchdog_cli_docker(self):
@@ -270,5 +270,5 @@ class Tasks(CoreSysAttributes):
 
         try:
             await self.sys_cli.start()
-        except CoreDNSError:
+        except CliError:
             _LOGGER.error("Watchdog cli reanimation fails!")

From 58155c35f9581e95ea34e96992cbc6e9ec39b642 Mon Sep 17 00:00:00 2001
From: Pascal Vizeli <pvizeli@syshack.ch>
Date: Sun, 29 Mar 2020 13:45:46 +0200
Subject: [PATCH 3/3] Supervisor use own dns layer (#1610)

* Supervisor use own dns layer

* Add logs
---
 supervisor/data/resolv.tmpl |  5 +++++
 supervisor/dns.py           | 27 ++++++++++++++++++++++++++-
 2 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 supervisor/data/resolv.tmpl

diff --git a/supervisor/data/resolv.tmpl b/supervisor/data/resolv.tmpl
new file mode 100644
index 000000000..945db1bc9
--- /dev/null
+++ b/supervisor/data/resolv.tmpl
@@ -0,0 +1,5 @@
+search local.hass.io
+{% for server in servers %}
+nameserver {{ server }}
+{% endfor %}
+options ndots:0
diff --git a/supervisor/dns.py b/supervisor/dns.py
index e25c35cc8..f81ee3ceb 100644
--- a/supervisor/dns.py
+++ b/supervisor/dns.py
@@ -22,7 +22,8 @@ from .validate import dns_url, SCHEMA_DNS_CONFIG
 _LOGGER: logging.Logger = logging.getLogger(__name__)
 
 COREDNS_TMPL: Path = Path(__file__).parents[0].joinpath("data/coredns.tmpl")
-RESOLV_CONF: Path = Path("/etc/resolv.conf")
+RESOLV_TMPL: Path = Path(__file__).parents[0].joinpath("data/resolv.tmpl")
+HOST_RESOLV: Path = Path("/etc/resolv.conf")
 
 
 @attr.s
@@ -43,6 +44,7 @@ class CoreDNS(JsonConfig, CoreSysAttributes):
         self.instance: DockerDNS = DockerDNS(coresys)
         self.forwarder: DNSForward = DNSForward()
         self.coredns_template: Optional[jinja2.Template] = None
+        self.resolv_template: Optional[jinja2.Template] = None
 
         self._hosts: List[HostEntry] = []
         self._loop: bool = False
@@ -123,6 +125,10 @@ class CoreDNS(JsonConfig, CoreSysAttributes):
             self.coredns_template = jinja2.Template(COREDNS_TMPL.read_text())
         except OSError as err:
             _LOGGER.error("Can't read coredns.tmpl: %s", err)
+        try:
+            self.resolv_template = jinja2.Template(RESOLV_TMPL.read_text())
+        except OSError as err:
+            _LOGGER.error("Can't read coredns.tmpl: %s", err)
 
         # Run CoreDNS
         with suppress(CoreDNSError):
@@ -131,6 +137,9 @@ class CoreDNS(JsonConfig, CoreSysAttributes):
             else:
                 await self.start()
 
+        # Update supervisor
+        self._write_resolv(HOST_RESOLV)
+
     async def unload(self) -> None:
         """Unload DNS forwarder."""
         await self.forwarder.stop()
@@ -375,3 +384,19 @@ class CoreDNS(JsonConfig, CoreSysAttributes):
             await self.instance.install(self.version)
         except DockerAPIError:
             _LOGGER.error("Repairing of CoreDNS fails")
+
+    def _write_resolv(self, resolv_conf: Path) -> None:
+        """Update/Write resolv.conf file."""
+        nameservers = [f"{self.sys_docker.network.dns!s}", "127.0.0.11"]
+
+        # Read resolv config
+        data = self.resolv_template.render(servers=nameservers)
+
+        # Write config back to resolv
+        try:
+            resolv_conf.write_text(data)
+        except OSError as err:
+            _LOGGER.warning("Can't write/update %s: %s", resolv_conf, err)
+            return
+
+        _LOGGER.info("Updated %s", resolv_conf)