jeans/operating-system
jeans/operating-system
1
0
Fork 0
mirror of https://github.com/home-assistant/operating-system.git synced 2025-07-15 17:16:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Reenable systemd-resolved stub resolver

Browse Source 
Enable the systemd-resolved stub resolver and make it available on the
hassio host network interface (172.30.32.1). This allows to use
systemd-resolved directly from all containers.

Note that this makes /etc/resolv.conf point to the stub resolver running
at 127.0.0.53 by default. This stub resolver isn't reachable from within
containers. However, Docker does regnize this situation [1] and falls back
to the alternate path at /run/systemd/resolve/resolv.conf, which is what
/etc/resolv.conf is today. So this should not affect the initial
/etc/resolv.conf in containers in practise.

This will however bind to port 53 and affect add-on potentially attempt
to use that port. Add-ons should not bind to 127.0.0.53 or the hassio
host network (172.30.32.1).

[1] https://github.com/moby/moby/blob/v28.0.4/libnetwork/internal/resolvconf/resolvconf_path.go#L51C32-L51C45
This commit is contained in:
Stefan Agner 2025-05-27 12:29:39 +02:00
parent 5a000cbba3
commit 562471166e
No known key found for this signature in database
GPG Key ID: AE01353D1E44747D
2 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
buildroot-external/rootfs-overlay/etc/systemd/resolved.conf
View File

@ -20,6 +20,6 @@ DNSOverTLS=no
#MulticastDNS=yes
#LLMNR=yes
#Cache=yes
DNSStubListener=no
#DNSStubListener=yes
#ReadEtcHosts=yes
#ResolveUnicastSingleLabel=no

2
buildroot-external/rootfs-overlay/etc/systemd/resolved.conf.d/hassio.conf Normal file
View File

@ -0,0 +1,2 @@
[Resolve]
DNSStubListenerExtra=172.30.32.1