starlingx/integ
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Merge "Debian: use DHCPv6 FQDN hostname field to set hostname"

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Zuul 2022-09-07 17:14:08 +00:00 committed by Gerrit Code Review
commit 2c71642e6e
2 changed files with 75 additions and 1 deletions
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73
base/dhcp/debian/deb_patches/0004-use-DHCPv6-FQDN-hostname-field-to-set-hostname.patch Normal file
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@ -0,0 +1,73 @@
From 66726d7b42e2b36cb9707cf47a92616eaf4b454d Mon Sep 17 00:00:00 2001
From: Andre Fernando Zanella Kantek
<AndreFernandoZanella.Kantek@windriver.com>
Date: Tue, 6 Sep 2022 12:27:10 -0300
Subject: [PATCH] use DHCPv6 FQDN hostname field to set hostname
It was detected on StarlingX the lack of correct hostname after
address atribution by the server. This change makes the script read
the field fqdn_hostname to set the name.
Also added the field to the dhclient debug script
Signed-off-by: Andre Fernando Zanella Kantek <AndreFernandoZanella.Kantek@windriver.com>
---
debian/debug | 3 ++-
debian/dhclient-script.linux | 20 +++++++++++++++++++-
2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/debian/debug b/debian/debug
index 593e7df..a2d8cf2 100644
--- a/debian/debug
+++ b/debian/debug
@@ -23,7 +23,8 @@ if [ "$RUN" = "yes" ]; then
netbios_name_servers netbios_scope \
ntp_servers \
ip6_address ip6_prefix ip6_prefixlen \
- dhcp6_domain_search dhcp6_name_servers ; do
+ dhcp6_domain_search dhcp6_name_servers \
+ fqdn_hostname ; do
var="${prefix}${basevar}"
eval "content=\$$var"
diff --git a/debian/dhclient-script.linux b/debian/dhclient-script.linux
index 915cc13..68a7252 100644
--- a/debian/dhclient-script.linux
+++ b/debian/dhclient-script.linux
@@ -142,6 +142,23 @@ set_hostname() {
fi
}
+# set host name using DHCPv6 FQDN hostname field
+set_hostname_v6() {
+ if [ -n "$new_fqdn_hostname" ]; then
+ local current_hostname=$(hostname)
+
+ # current host name is empty, '(none)' or 'localhost' or differs from new one from DHCP
+ if [ -z "$current_hostname" ] ||
+ [ "$current_hostname" = '(none)' ] ||
+ [ "$current_hostname" = 'localhost' ] ||
+ [ "$current_hostname" = "$old_fqdn_hostname" ]; then
+ if [ "$old_fqdn_hostname" != "$current_hostname" ]; then
+ hostname "$new_fqdn_hostname"
+ fi
+ fi
+ fi
+}
+
# run given script
run_hook() {
local script="$1"
@@ -399,7 +416,8 @@ case "$reason" in
;;
BOUND6|RENEW6|REBIND6)
- set_hostname
+ set_hostname # use if host_name is provided
+ set_hostname_v6 # use if fqdn_hostname is provided
if [ "${new_ip6_address}" ]; then
# set leased IP
--
2.17.1

3
base/dhcp/debian/deb_patches/series
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@ -1,3 +1,4 @@
0001-dhclient-dhcp6-set-hostname.patch
0002-Update-dn-and-dns-only-with-diff-upon-RENEW.patch
0003-Use-prefixlen-for-IPv6-address-operations.patch
0003-Use-prefixlen-for-IPv6-address-operations.patch
0004-use-DHCPv6-FQDN-hostname-field-to-set-hostname.patch