[image_config] add rasdaemon.timer (sonic-net#14300)

rasdaemon is a tool to log hardware errors. It takes 100% CPU during
boot for a few seconds. It impacts fast/warm boot by delaying control
plane restoration for 5 sec on some platforms.

Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>

files/build_templates/sonic_debian_extension.j2

@@ -437,6 +437,11 @@ sudo cp $IMAGE_CONFIGS/corefile_uploader/core_uploader.py $FILESYSTEM_ROOT/usr/b
 sudo cp $IMAGE_CONFIGS/corefile_uploader/core_analyzer.rc.json $FILESYSTEM_ROOT_ETC_SONIC/
 sudo chmod og-rw $FILESYSTEM_ROOT_ETC_SONIC/core_analyzer.rc.json
 
+# Rasdaemon service configuration. Use timer to start rasdaemon with a delay for better fast/warm boot performance
+sudo cp $IMAGE_CONFIGS/rasdaemon/rasdaemon.timer $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
+sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT systemctl disable rasdaemon.service
+sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT systemctl enable rasdaemon.timer
+
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install libffi-dev libssl-dev
 
 {% if include_bootchart == 'y' %}

files/image_config/rasdaemon/rasdaemon.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Delays rasdaemon until SONiC has started
+
+[Timer]
+OnUnitActiveSec=0 sec
+OnBootSec=1min 30 sec
+Unit=rasdaemon.service
+
+[Install]
+WantedBy=multi-user.target