feat: installed system uses systemd-resolved for DNS

Signed-off-by: Lars Wirzenius <liw@liw.fi>
Sponsored-by: author

1 files changed, 20 insertions, 0 deletions

diff --git a/std.yml b/std.yml
index a69b6bb..14f516c 100644
--- a/std.yml
+++ b/std.yml
@@ -176,6 +176,26 @@
         name: systemd-networkd
         enabled: yes
 
+    - name: "install resolved"
+      apt:
+        name:
+          - systemd-resolved
+
+    - name: "enable resolved"
+      systemd:
+        name: systemd-resolved
+        enabled: yes
+
+    # Allow lookup of domain-less names, when the DHCP server doesn't
+    # set a domain for the LAN. See
+    # https://wiki.archlinux.org/title/Systemd-resolved#systemd-resolved_does_not_resolve_hostnames_without_suffix
+    - name: "tweak resolved.conf for domain-less DNS lookup"
+      lineinfile:
+        path: /etc/systemd/resolved.conf
+        regexp: ResolveUnicastSingleLabel=
+        line: ResolveUnicastSingleLabel=yes
+
+
   vars:
     ansible_python_interpreter: /usr/bin/python3