[rsyslog]Setting log file size to 16Mb

files/build_templates/sonic_debian_extension.j2

@@ -377,6 +377,10 @@ echo "system-health.service" | sudo tee -a $GENERATED_SERVICE_FILE
 
 # Copy logrotate.d configuration files
 sudo cp -f $IMAGE_CONFIGS/logrotate/logrotate.d/* $FILESYSTEM_ROOT/etc/logrotate.d/
+sudo cp $IMAGE_CONFIGS/logrotate/rsyslog.j2 $FILESYSTEM_ROOT_USR_SHARE_SONIC_TEMPLATES/
+sudo cp $IMAGE_CONFIGS/logrotate/logrotate-config.service $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
+sudo cp $IMAGE_CONFIGS/logrotate/logrotate-config.sh $FILESYSTEM_ROOT/usr/bin/
+echo "logrotate-config.service" | sudo tee -a $GENERATED_SERVICE_FILE
 
 # Copy systemd-journald configuration files
 sudo cp -f $IMAGE_CONFIGS/systemd/journald.conf $FILESYSTEM_ROOT/etc/systemd/

files/image_config/logrotate/logrotate-config.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Update logrotate configuration
+Requires=updategraph.service
+After=updategraph.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/logrotate-config.sh
+
+[Install]
+WantedBy=multi-user.target
+

files/image_config/logrotate/logrotate-config.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+sonic-cfggen -d -t  /usr/share/sonic/templates/rsyslog.j2 -a "{\"var_log_kb\":$(df -k /var/log | sed -n 2p | awk '{ print $2 }') }" > /etc/logrotate.d/rsyslog
+

files/image_config/logrotate/logrotate.d/rsyslog → files/image_config/logrotate/rsyslog.j2

@@ -35,7 +35,11 @@
 /var/log/swss/swss*.rec
 /var/log/swss/responsepublisher.rec
 {
+{% if var_log_kb <= 204800 %}
     size 1M
+{% else %}
+    size 16M
+{% endif %}
     rotate 5000
     missingok
     notifempty
@@ -53,7 +57,7 @@
         # should be disabled, just in case they get created and rotated
         RESERVED_SPACE_KB=4096
 
-        VAR_LOG_SIZE_KB=$(df -k /var/log | sed -n 2p | awk '{ print $2 }')
+        VARL_LOG_SIZE_KB={{var_log_kb}}
 
         # Limit usable space to 90% of the partition minus the reserved space for other logs
         USABLE_SPACE_KB=$(( (VAR_LOG_SIZE_KB * 90 / 100) - RESERVED_SPACE_KB))