Merge pull request #74032 from ckauhaus/remove-networking.hostconf

Remove networking.hostConf option

1 files changed, 46 insertions, 0 deletions

diff --git a/nixos/tests/resolv.nix b/nixos/tests/resolv.nix
new file mode 100644
index 000000000000..b506f87451ee
--- /dev/null
+++ b/nixos/tests/resolv.nix
@@ -0,0 +1,46 @@
+# Test whether DNS resolving returns multiple records and all address families.
+import ./make-test-python.nix ({ pkgs, ... } : {
+  name = "resolv";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ ckauhaus ];
+  };
+
+  nodes.resolv = { ... }: {
+    networking.extraHosts = ''
+      # IPv4 only
+      192.0.2.1 host-ipv4.example.net
+      192.0.2.2 host-ipv4.example.net
+      # IP6 only
+      2001:db8::2:1 host-ipv6.example.net
+      2001:db8::2:2 host-ipv6.example.net
+      # dual stack
+      192.0.2.1 host-dual.example.net
+      192.0.2.2 host-dual.example.net
+      2001:db8::2:1 host-dual.example.net
+      2001:db8::2:2 host-dual.example.net
+    '';
+  };
+
+  testScript = ''
+    def addrs_in(hostname, addrs):
+        res = resolv.succeed("getent ahosts {}".format(hostname))
+        for addr in addrs:
+            assert addr in res, "Expected output '{}' not found in\n{}".format(addr, res)
+
+
+    start_all()
+    resolv.wait_for_unit("nscd")
+
+    ipv4 = ["192.0.2.1", "192.0.2.2"]
+    ipv6 = ["2001:db8::2:1", "2001:db8::2:2"]
+
+    with subtest("IPv4 resolves"):
+        addrs_in("host-ipv4.example.net", ipv4)
+
+    with subtest("IPv6 resolves"):
+        addrs_in("host-ipv6.example.net", ipv6)
+
+    with subtest("Dual stack resolves"):
+        addrs_in("host-dual.example.net", ipv4 + ipv6)
+  '';
+})