From f760997de3433c0b2884a3e14b7f3d34730b5064 Mon Sep 17 00:00:00 2001
From: Nicolas MASSE <nicolas.masse@itix.fr>
Date: Wed, 17 Mar 2021 10:28:05 +0100
Subject: [PATCH] fix a 5s timeout on DNS

---
 network.tf             | 2 +-
 templates/network.xslt | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/network.tf b/network.tf
index 1458feb..82b7900 100644
--- a/network.tf
+++ b/network.tf
@@ -31,6 +31,6 @@ resource "libvirt_network" "ocp_net" {
   }
 
   xml {
-    xslt = templatefile("${path.module}/templates/network.xslt", { alias = "apps.${local.network_domain}", ip = cidrhost(var.network_ip_range, 4) })
+    xslt = templatefile("${path.module}/templates/network.xslt", { alias = "apps.${local.network_domain}", ip = cidrhost(var.network_ip_range, 4), network_domain = local.network_domain })
   }
 }
diff --git a/templates/network.xslt b/templates/network.xslt
index 3ae90ba..dd6ad5a 100644
--- a/templates/network.xslt
+++ b/templates/network.xslt
@@ -17,7 +17,13 @@
       <xsl:copy-of select="@*"/>
       <xsl:copy-of select="node()"/>
         <dnsmasq:options>
-            <dnsmasq:option value="address=/${alias}/${ip}"/>
+          <!-- fix for the 5s timeout on DNS -->
+          <!-- see https://www.math.tamu.edu/~comech/tools/linux-slow-dns-lookup/ -->
+          <dnsmasq:option value="auth-server=${network_domain},"/>
+          <dnsmasq:option value="auth-zone=${network_domain}"/>
+
+          <!-- Wildcard route -->
+          <dnsmasq:option value="address=/${alias}/${ip}"/>
         </dnsmasq:options>
     </xsl:copy>
   </xsl:template>