Update log rotation size dynamically of 10% tmpfs

files/usr/sbin/ns-log-size

@@ -22,11 +22,14 @@ get_log_rotation_size() {
 
 set_log_rotation_size() {
  local new_size=$1
+ #The value 9223372036854775807 bytes is the maximum value that can be set (8589.93 GB)
+
+ # Check if the new size is a positive integer
  if [[ ! $new_size =~ ^[0-9]+$ ]]; then
  echo "Error: Size must be a positive integer."
  exit 1
  fi
- 
+
  # Check if the new size is less than the minimum required size
  if (( new_size < MIN_SIZE )); then
  echo "Error: The input size is too low. The minimum value is $MIN_SIZE."

packages/ns-storage/files/30_ns-storage

@@ -2,9 +2,6 @@
 
 [ "$(uci -q get rsyslog.ns_memory)" == "selector" ] && exit 0
 
-echo '# Rotate in-memory log if size is bigger than 50MB' >> /etc/rsyslog.conf
-echo '$outchannel log_rotation,/var/log/messages, 52428800, /usr/sbin/rotate-messages' >> /etc/rsyslog.conf
-
 uci -q import rsyslog << EOI
 config syslog 'syslog'
  option tcp_input_port '514'
@@ -21,3 +18,21 @@ config selector ns_memory
 EOI
 
 crontab -l | grep -q '/usr/sbin/logrotate /etc/logrotate.conf' || echo '5 1 * * * /usr/sbin/logrotate /etc/logrotate.conf' >> /etc/crontabs/root
+
+# Default log_size in case of error
+log_size=52428800
+
+# Try to extract tmpfs size, fall back to default log_size if an error occurs
+tmpfs_size=$(df -k /tmp | awk 'NR==2 {print $2}')
+if [ -z "$tmpfs_size" ] || ! echo "$tmpfs_size" | grep -qE '^[0-9]+$'; then
+ echo "Error: Could not retrieve tmpfs size, defaulting log_size to 52428800" >&2
+else
+ # Calculate 10% of tmpfs size in bytes
+ ten_percent_bytes=$(( tmpfs_size * 1024 / 10 ))
+
+ # Use default log_size if the calculated value is less than 52428800
+ if [ "$ten_percent_bytes" -gt "$log_size" ]; then
+ log_size=$ten_percent_bytes
+ fi
+fi
+echo '$outchannel log_rotation,/var/log/messages, '$log_size', /usr/sbin/rotate-messages' >> /etc/rsyslog.conf