From e17e04fa1e050a67f0a27ba6ac0c0df8d3d9ef44 Mon Sep 17 00:00:00 2001
From: Lars Beckers <lars.beckers@rwth-aachen.de>
Date: Wed, 31 Aug 2022 00:31:29 +0200
Subject: [PATCH] basic-system: add options for resolv.conf
---
basic-system/defaults/main.yml | 11 +++++++++++
basic-system/templates/resolv.conf.j2 | 12 +++++++++---
2 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/basic-system/defaults/main.yml b/basic-system/defaults/main.yml
index f706b44..c1e84c0 100644
--- a/basic-system/defaults/main.yml
+++ b/basic-system/defaults/main.yml
@@ -16,3 +16,14 @@ tmp_mount_options:
- nodev
- noexec
fstrim: false
+resolv_search:
+ - "{{ domain }}"
+resolv_nameservers: "{{ nameservers }}"
+resolv_options: []
+# - "timeout:5" # default, capped to 30, per resolver
+# - "attempts:2" # default, capped to 5
+# - "ndots:1" # default, capped to 15, #dots indicating absolute name
+# - "rotate" # try listed nameservers in round-robin instead of static order
+# - "edns0" # enable extensions from RFC 2671
+# - "no-tld-query" # disable resolving unqualified names as TLDs
+# - "trust-ad" # trust DNSSEC-validation of your resolver
diff --git a/basic-system/templates/resolv.conf.j2 b/basic-system/templates/resolv.conf.j2
index 414dbbb..6ec1539 100644
--- a/basic-system/templates/resolv.conf.j2
+++ b/basic-system/templates/resolv.conf.j2
@@ -1,6 +1,12 @@
-domain {{ domain }}
-search {{ domain }}
+{% if resolv_search|length > 0 %}
+domain {{ resolv_search|first }}
+search {{ resolv_search|join(' ') }}
+{% endif %}
-{% for server in nameservers %}
+{% for server in resolv_nameservers %}
nameserver {{ server }}
{% endfor %}
+
+{% for option in resolv_options %}
+options {{ option }}
+{% endfor %}
\ No newline at end of file
--
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