From 74784a28d74d703c9783c9ca5aa0772c7e3d10c9 Mon Sep 17 00:00:00 2001
From: nostoromo root <root@nostromo.fudo.org>
Date: Wed, 18 Nov 2020 10:48:40 -0800
Subject: [PATCH] switch to minimal hostname

---
 static/backplane-dns-client/dns-client.rb | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/static/backplane-dns-client/dns-client.rb b/static/backplane-dns-client/dns-client.rb
index d2fca16..0688cdf 100644
--- a/static/backplane-dns-client/dns-client.rb
+++ b/static/backplane-dns-client/dns-client.rb
@@ -224,8 +224,12 @@ def host_sshfp
   keys.compact
 end
 
+def hostname
+  Socket.gethostname.split(".").first
+end
+
 client = XMPPClient::new(options[:domain],
-                         Socket::gethostname,
+                         hostname,
                          options[:server],
                          password)
 
@@ -243,7 +247,7 @@ begin
   if options[:ipv4]
     ipv4 = addrs.find { |ip| ip.ipv4? }
     if ipv4
-      puts "#{options[:server]}: #{Socket::gethostname}.#{options[:domain]} IN A => #{ipv4.to_s}"
+      puts "#{options[:server]}: #{hostname}.#{options[:domain]} IN A => #{ipv4.to_s}"
       if client.send_ip(ipv4)
         puts "OK"
       else
@@ -258,7 +262,7 @@ begin
   if options[:ipv6]
     ipv6 = addrs.find { |ip| ip.ipv6? }
     if ipv6
-      puts "#{options[:server]}: #{Socket::gethostname}.#{options[:domain]} IN AAAA => #{ipv6.to_s}"
+      puts "#{options[:server]}: #{hostname}.#{options[:domain]} IN AAAA => #{ipv6.to_s}"
       if client.send_ip(ipv6)
         puts "OK"
       else
@@ -273,7 +277,7 @@ begin
   if options[:sshfp]
     fps = host_sshfp
     if not fps.empty?
-      puts "#{options[:server]}: #{Socket::gethostname}.#{options[:domain]} IN SSHFP => #{fps}"
+      puts "#{options[:server]}: #{hostname}.#{options[:domain]} IN SSHFP => #{fps}"
       if client.send_sshfp(fps)
         puts "OK"
       else