Feature/jeffery-johnson

backup.sh

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+#!/bin/bash
+
+# nfiguration
+BACKUP_DIR="backups"
+LOG_FILE="logs/backup.log"
+SOURCE_DIR=$1
+
+# 1. Validation: Check if a directory was provided and if it exists
+if [ -z "$SOURCE_DIR" ]; then
+	echo "Usage: $0 <directory_to_backup>"
+	exit 1
+fi
+
+if [ ! -d "$SOURCE_DIR" ]; then
+	echo "Error: Directory '$SOURCE_DIR' does not exist." | tee -a "$LOG_FILE"
+	exit 1
+fi
+# Create backup directory if it's missing 
+mkdir -p "$BACKUP_DIR"
+
+# 2. Create the compressed backup
+TIMESTAMP=$(date +%Y%m%d_%H%M%S)
+BACKUP_NAME="backup_${TIMESTAMP}.tar.gz"
+
+echo "Creating backup of $SOURCE_DIR..."
+tar -czf "${BACKUP_DIR}/${BACKUP_NAME}" "$SOURCE_DIR"
+
+if [ $? -eq 0 ]; then
+	echo "$(date): Success - Backed up $SOURCE_DIR to $BACKUP_NAME" >> "$LOG_FILE"
+	echo "Backup saved: ${BACKUP_DIR}/${BACKUP_NAME}"
+else
+	echo "$(date): Failure - Backup of $SOURCE_DIR failed" >> "$LOG_FILE"
+	exit 1
+fi
+
+# 3. Retention: Keep only the last 5 backups
+# ls -t sorts by time (newest first): tail -n +6 selects everything after the 5th file
+ls -t "$BACKUP_DIR"/backup_*.tar.gz | tail -n +6 | xargs -r rm
+
+echo "Cleanup complete. Keeping only the 5 most recent backups."
+
+

file_manager.sh

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+#!/bin/bash
+
+# Correctly define the log file path
+LOG="logs/system_report_$(date +%Y%m%d_%H%M).log"
+mkdir -p logs
+
+# Assign argument to readable variables 
+action=$1
+file1=$2
+file2=$3
+
+# Stops the scripts if the filename ($file1)is missing
+if [ -z "$file1" ] && [ "$action" != "list" ]; then
+	echo "Error: Missing filename: ./file_manager.sh create [filename]"
+	exit 1
+fi
+
+case $action in
+	"create")
+		# check if file already exists to prevent overwriting 
+		if [ -f "$file1" ]; then
+			echo "Error: $file1 already exist." | tee -a "$LOG"
+			else 
+				touch "$file1"
+				echo "$(date): Created $file1" >> "$LOG"
+				echo "File '$file' created."
+		fi
+		;;
+
+	"delete")
+		if [ -f "$file1" ]; then 
+			rm "$file1"
+			echo "$(date): Deleted $file1" >> "$LOG"
+			echo " File '$file1' deleted."
+		else
+			echo "Error: '$file1' does not exist." | tee -a "$LOG"
+		fi
+		;;
+
+	"list")
+		echo "$(date): Listed directory contents" >> "$LOG"
+		ls -lh
+		;;
+
+	"rename")
+		if [ -f "$file1" ]; then
+			mv "$file1" "$file2"
+			echo "$(date): Renamed $file1 to $file2" >> "$LOG"
+			 echo "Renamed $file1 to $file2."
+		 else 
+			 echo "Error: Source file '$file1' not found." | tee -a "$LOG"
+		fi
+		;;
+
+	*)
+		echo "Usage: $0 {create|delete|list|rename} [filename] [new_filename]"
+		;;
+esac
+
+

process_monitor.sh

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+#!/bin/bash
+
+# Define the list of services to check
+# Make sure to use the space between the names, not commas!
+services=("nginx" "ssh" "docker")
+
+echo "--- Starting Process Monitor ---"
+
+# Loop through each service in the array
+for services in "${services[@]}"; do
+	# pgrep looks for the process ID (PID)
+	if pgrep "$service" > /dev/null; then
+		echo "[RUNNING] $service is active."
+	else
+		echo "[STOPPED] $service is down! Attempting restart..."
+		# In a real environment, you'd use 'sudo systemtl restart $service'
+		# For the assignment, we simulate the restart 
+		echo "[RESTARTED] $service has been brought back online."
+	fi
+done
+
+

run_all.sh

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+#!/bin/bash
+
+# Interactive Menu for Bash Assignment
+
+while true; do
+	echo "================================"
+	echo "     DEVOPS AUTOMATION MENU     "
+	echo "================================"
+	echo "1. Run System Check (Section B)"
+	echo "2. Run File Manger (Section C)"
+	echo "3. Run Directory Backup (Section D)"
+	echo "4. Run Monitor Services (Section E)"
+	echo "5. Exit"
+	echo "================================"
+	read -p "Enter your choice [1-5]: " choice
+
+	case $choice in
+		1)
+			./system_check.sh
+			;;
+		2)
+			read -p "Enter action(create/delete/list): " act
+			read -p "Enter filename: " fname
+			./file_manager.sh "$act" "$fname"
+			;;
+		3)
+			read -p "Enter directory to backup: " dir
+			./backup.sh "$dir"
+			;;
+		4)
+			./process_monitor.sh
+			;;
+		5)
+			echo "Exiting. Goodbye!"
+			break
+			;;
+		*)
+			echo "Invalid option. Please try again."
+			;;
+	esac 
+	echo -e "\nPress Enter to return to menu..."
+	read 
+        done
+

system_check.sh

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+#!/bin/bash
+
+# Define the log file with a time stamp
+LOG_FILE="system_report_$(date +%Y%m%d_%H%M).log"
+echo "--- Generating system report---" | tee -a $LOG_FILE
+
+# 1: Disk usauge (df -h)
+echo -e "\nDisk Space Usage:" >> "$LOG_FILE"
+df -h | grep '^/dev/'  >> "$LOG_FILE"
+
+# Alert for disk usage
+usage=$(df / | grep / | awk '{ print $5 }' | sed 's/%//g')
+if [ "$usage" -gt 80 ]; then
+	               echo " WARNING: Disk usage is at ${usage}%!" >> "$LOG_FILE"
+fi
+
+# 2: Memory usage (free -m)
+echo -e "\nMMemory Usage:" >> "$LOG_FILE"
+free -h >> "$LOG_FILE"
+
+# 3: CPU load (uptime)
+echo "CPU Uptime:" >> "$LOG_FILE"
+uptime >> "$LOG_FILE"
+
+# 4: Count total running processes
+echo -e "\nTotal Running Processes:" >> "$LOG_FILE"
+ps aux | wc -l >> "$LOG_FILE"
+
+# 5: Display top 5 memory consuming processe
+echo -e "\nTop 5 Memory-Consuming Processes:" >> "$LOG_FILE"
+# ps aux : list proceses, --sort=-%mem: highest memory firt, head -n 6: top 5 + header
+ps aux --sort=-%mem | head -n 6 >> "$LOG_FILE"
+
+echo " Report saved to $LOG_FILE"
+

user_info.sh

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+#!/bin/bash
+
+# Task 1: Collecting dats
+read -p "Emter your full name" name
+read -p "Enter your age" age 
+read -p "Enter your country" coumtry
+
+# Task 2: Validation and classification of age 
+if [[ ! "$age" =~ [0-9]+$ ]]; then
+	echo "Error: Age must be a number"
+	exit 1
+fi
+
+if [[ "$age" -lt 18 ]]; then
+	category="Minor"
+elif [[ "$age" -le 65 ]]; then
+	category="Adult"
+else category="Senior"
+
+fi
+
+# Task 4: Output
+echo "Hello $name from $country. you are classified as: $category."
+
+# Task 5:
+# save this to a log file automatically
+echo "($date): $name ($category) from $country" >> logs/user_info.log"