first commit

resource_monitor.sh

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+#!/bin/bash
+
+# Log file path
+LOG_FILE="/opt/phx/log/resource_monitor.log"
+
+# Thresholds
+CPU_THRESHOLD=85
+MEM_THRESHOLD=90
+DISK_THRESHOLD=90
+
+# Get the hostname
+HOSTNAME=$(hostname)
+
+# Function to log messages with timestamp
+log_info() {
+    echo "$(date '+%Y-%m-%d %H:%M:%S') [INFO] $1" | tee -a "$LOG_FILE"
+}
+
+log_warning() {
+    echo "$(date '+%Y-%m-%d %H:%M:%S') [WARNING] $1" | tee -a "$LOG_FILE"
+}
+
+log_error() {
+    echo "$(date '+%Y-%m-%d %H:%M:%S') [ERROR] $1" | tee -a "$LOG_FILE" >&2
+}
+
+# Start monitoring
+log_info "========== Resource Monitoring Started =========="
+
+# Check CPU usage (Fixed)
+CPU_USAGE=$(top -bn1 | grep "Cpu(s)" | awk '{print 100 - $8}')
+CPU_USAGE=${CPU_USAGE%.*}
+
+if (( CPU_USAGE > CPU_THRESHOLD )); then
+    log_warning "⚠️ CPU usage is high: ${CPU_USAGE}% (Threshold: ${CPU_THRESHOLD}%) on $HOSTNAME."
+else
+    log_info "✅ CPU usage is normal: ${CPU_USAGE}%."
+fi
+
+# Check Memory usage
+MEM_USAGE=$(free | awk '/Mem/ {printf "%.0f", ($3/$2)*100}')
+
+if (( MEM_USAGE > MEM_THRESHOLD )); then
+    log_warning "⚠️ Memory usage is high: ${MEM_USAGE}% (Threshold: ${MEM_THRESHOLD}%) on $HOSTNAME."
+else
+    log_info "✅ Memory usage is normal: ${MEM_USAGE}%."
+fi
+
+# Check Disk usage
+DISK_USAGE=$(df / | awk 'END {print $5}' | sed 's/%//')
+
+if (( DISK_USAGE > DISK_THRESHOLD )); then
+    log_warning "⚠️ Disk usage is high: ${DISK_USAGE}% (Threshold: ${DISK_THRESHOLD}%) on $HOSTNAME."
+else
+    log_info "✅ Disk usage is normal: ${DISK_USAGE}%."
+fi
+
+log_info "========== Resource Monitoring Completed =========="