From 4ddc4e79d73eea56929ed522f7d7fce6285a41d4 Mon Sep 17 00:00:00 2001
From: Daniel J Walsh <dwalsh@redhat.com>
Date: Mon, 31 Jan 2022 09:58:15 -0500
Subject: Only change network fields if they were actually changed by the user

Fixes: https://github.com/containers/podman/issues/13065

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
---
 test/system/500-networking.bats | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'test/system')

diff --git a/test/system/500-networking.bats b/test/system/500-networking.bats
index 5a721c965..9f70c1c6c 100644
--- a/test/system/500-networking.bats
+++ b/test/system/500-networking.bats
@@ -589,4 +589,25 @@ load helpers
     run_podman network rm -t 0 -f $netname
 }
 
+@test "podman run CONTAINERS_CONF dns options" {
+    skip_if_remote "CONTAINERS_CONF redirect does not work on remote"
+    # Test on the CLI and via containers.conf
+    containersconf=$PODMAN_TMPDIR/containers.conf
+
+    searchIP="100.100.100.100"
+    cat >$containersconf <<EOF
+[containers]
+  dns_searches  = [ "example.com"]
+  dns_servers = [
+    "1.1.1.1",
+    "$searchIP",
+    "1.0.0.1",
+    "8.8.8.8",
+]
+EOF
+    CONTAINERS_CONF=$containersconf run_podman run --rm $IMAGE grep "example.com" /etc/resolv.conf
+    CONTAINERS_CONF=$containersconf run_podman run --rm $IMAGE grep $searchIP /etc/resolv.conf
+    is "$output" "nameserver $searchIP" "Should only be one $searchIP not multiple"
+}
+
 # vim: filetype=sh
-- 
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