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Don't update /etc/hosts if the hostname is not changed

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Signed-off-by: saksarav <sakthivadivu.saravanaraj@nokia.com>
This commit is contained in:
saksarav 2024-03-12 10:10:31 -04:00
parent 14f3f091d3
commit 12b5d67986
2 changed files with 7 additions and 2 deletions
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1
files/build_templates/per_namespace/swss.service.j2
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@ -11,7 +11,6 @@ Requires=opennsl-modules.service
{% endif %} {% endif %}
Requires=updategraph.service Requires=updategraph.service
After=updategraph.service After=updategraph.service
After=hostname-config.service
BindsTo=sonic.target BindsTo=sonic.target
After=sonic.target After=sonic.target
Before=ntp-config.service Before=ntp-config.service

8
files/image_config/hostname/hostname-config.sh
View File

@ -11,10 +11,16 @@ fi
echo $HOSTNAME > /etc/hostname echo $HOSTNAME > /etc/hostname
hostname -F /etc/hostname hostname -F /etc/hostname
#Don't update the /etc/hosts if hostname is not changed
#This is to prevent intermittent redis_chassis.server reachability issue
if [ $CURRENT_HOSTNAME == $HOSTNAME ] ; then
exit 0
fi
# Remove the old hostname entry from hosts file. # Remove the old hostname entry from hosts file.
# But, 'localhost' entry is used by multiple applications. Don't remove it altogether. # But, 'localhost' entry is used by multiple applications. Don't remove it altogether.
# Edit contents of /etc/hosts and put in /etc/hosts.new # Edit contents of /etc/hosts and put in /etc/hosts.new
if [ $CURRENT_HOSTNAME != "localhost" ] || [ $CURRENT_HOSTNAME == $HOSTNAME ] ; then if [ $CURRENT_HOSTNAME != "localhost" ] ; then
sed "/\s$CURRENT_HOSTNAME$/d" /etc/hosts > /etc/hosts.new sed "/\s$CURRENT_HOSTNAME$/d" /etc/hosts > /etc/hosts.new
else else
cp -f /etc/hosts /etc/hosts.new cp -f /etc/hosts /etc/hosts.new