Create deleting_old_logs.sh

Shell_Scripts/Log_Management/deleting_old_logs.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# Directories containing the logs
+LOG_DIRS="/opt/alert" # Modify as needed
+# Get current time in seconds since epoch
+CURRENT_TIME=$(date +%s)
+
+# Function to convert log filename to seconds since epoch
+log_filename_to_epoch() {
+    local filename=$1
+    local datetime_part=$(echo "$filename" | grep -oP '\d{2}\.\d{2}\.\d{2}_\d{2}\.\d{2}\.\d{2}')
+    if [[ -n $datetime_part ]]; then
+        local log_time=$(date -d "${datetime_part:0:2}-${datetime_part:3:2}-${datetime_part:6:2} ${datetime_part:9:2}:${datetime_part:12:2}:${datetime_part:15:2}" +%s 2>/dev/null)
+        echo $log_time
+    else
+        echo "0"
+    fi
+}
+
+# Function to delete logs older than 7 days
+delete_old_logs() {
+    local log_dir=$1
+    local errors=""
+    local deleted_logs=""
+    local logs_deleted=false
+
+    while IFS= read -r -d '' LOG_FILE; do
+        LOG_FILENAME=$(basename "$LOG_FILE")
+        LOG_FILE_EPOCH=$(log_filename_to_epoch "$LOG_FILENAME")
+        if [ "$LOG_FILE_EPOCH" -ne "0" ]; then
+            TIME_DIFF=$((CURRENT_TIME - LOG_FILE_EPOCH))
+            if [ $TIME_DIFF -gt 604800 ]; then # 604800 seconds in 7 days
+                if rm "$LOG_FILE"; then
+                    deleted_logs+="$LOG_FILENAME\n"
+                    logs_deleted=true
+                else
+                    errors+="Failed to delete $LOG_FILE. Ensure you have the correct permissions. "
+                fi
+            fi
+        else
+            errors+="Failed to parse date from $LOG_FILENAME. "
+        fi
+    done < <(find "$log_dir" -type f \( -name "SystemOut_*.log" -o -name "SystemErr_*.log" \) -print0)
+
+    if [ "$logs_deleted" = true ]; then
+        echo -e "Deleted logs:\n$deleted_logs"
+    else
+        echo "No logs were deleted."
+    fi
+
+    if [ -n "$errors" ]; then
+        echo "Log deletion process completed with errors: $errors"
+    fi
+}
+
+# Main loop to delete old logs
+for LOG_DIR in $LOG_DIRS; do
+    delete_old_logs "$LOG_DIR"
+done
+
+# Final message
+echo "Log deletion process completed."