Add log_analyzer.sh Day 5

Challenges/Day_5/log_analyzer_sol.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+echo "Welcome to Log Analyzer"
+
+log_path="$1"
+
+# Function to extract errors count
+function err_count(){
+    error_count=$(grep -i  "Error\|Failed" $log_path | wc -l)
+    echo "Number of Errors in log file: $error_count"
+}
+
+# Function to print critical errors
+function critical(){
+    critical_issues=$(grep -i -n "Critical" $log_path)
+    echo "These are the Critical logs"
+    echo "$critical_issues"
+}
+
+# Function to extract top 5 common logs
+function common_logs(){
+    number_of_top_messages=5
+    most_frequent_log=$(tr -cs '[:alpha:]' '[\n*]' < ~/Desktop/logfile.log | sort | uniq -ci | sort -nr | head  -5 | awk '{ print $2 " ------ "$1}')
+
+    echo "The most common Log Messages are (showing top 5)"
+    echo "Log Message ---- Count"
+    echo "$most_frequent_log"
+}
+
+# Function to export summary to a file
+function export(){
+
+        echo "Date of Analysing logs : $(date)"
+        echo -e "\nName of log file: $log_path"
+        echo -e "\nNumber of lines processed: $(wc -l $log_path | awk '{print $1}')\n"
+        err_count;
+        echo
+        critical;
+        echo
+        common_logs
+}
+
+#Calling the functions
+err_count;critical;common_logs
+
+# Asking user to export summary
+read -p "Do you want to export the summary of log analytics to a seperate file [Y/N]: " response
+
+if [[ $response == "Y" ]] || [[ $response == "y" ]]; then
+    echo "Exporting summary of log analytics to a seperate file."
+    export > $( dirname $log_path )/log_summary.txt
+else
+    echo "Thanks for using our script"
+fi
+
+# Moving the log file to another location after analysis
+echo "Analysis complete. Moving the logfile to $HOME"
+mv $log_path ~