Add monitor

.editorconfig

@@ -5,7 +5,7 @@ charset = utf-8
 end_of_line = lf
 insert_final_newline = true
 indent_style = space
-indent_size = 4
+indent_size = 2
 trim_trailing_whitespace = true
 
 [*.{yml,yaml}]

ansible/roles/monitor/templates/crawl.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+
+LOGFILE="/var/log/system_monitor.log"
+
+DISKS_TO_MONITOR=("/dev/sda1" "/dev/nvme0n1p2")
+
+ALERT_URL="http://your-alert-url"
+
+timestamp() {
+  date +"%Y-%m-%d %H:%M:%S"
+}
+
+cpu_usage() {
+  top -bn1 | grep "Cpu(s)" | awk '{print $2 + $4}' | sed 's/%//'
+}
+
+memory_usage() {
+  free | grep Mem | awk '{print $3/$2 * 100.0}'
+}
+
+disk_usage() {
+    for disk in "${DISKS_TO_MONITOR[@]}"; do
+        usage=$(df -h | grep "^$disk" | awk '{print $5}' | sed 's/%//')
+        echo "$disk $usage"
+    done
+}
+
+request_count() {
+  ss -s | grep 'estab' | awk '{print $2}'
+}
+
+check_usage() {
+  local cpu=$(cpu_usage)
+  local ram=$(memory_usage)
+  local disk=$(disk_usage)
+  local alert_message=""
+
+#  if (( $(echo "$cpu > 80" | bc -l) )); then
+    alert_message+="WARNING: CPU usage is over 80%! Current usage: ${cpu}% "
+#  fi
+
+#  if (( $(echo "$ram > 80" | bc -l) )); then
+    alert_message+="WARNING: RAM usage is over 80%! Current usage: ${ram}% "
+#  fi
+
+#  if (( $(echo "$disk > 80" | bc -l) )); then
+    alert_message+="WARNING: Disk usage on $DISK_TO_MONITOR is over 80%! Current usage: ${disk}% "
+#  fi
+
+  if [[ -n "$alert_message" ]]; then
+    send_alert "$alert_message"
+  fi
+}
+
+send_alert() {
+  local message=$1
+#  curl -X POST -d "alert=$message" $ALERT_URL
+  echo $message;
+}
+
+log_usage() {
+  local cpu=$(cpu_usage)
+  local ram=$(memory_usage)
+  local disk=$(disk_usage)
+  local requests=$(request_count)
+  echo "$(timestamp) CPU: ${cpu}% RAM: ${ram}% Disk: ${disk}% Requests: ${requests}"
+
+  check_usage
+
+}
+
+log_usage