Add Question 5 Mithal monitoring dashboard

q5-mithal-monitor/monitor.py

@@ -0,0 +1,94 @@
+import csv
+import os
+import time
+import ssl
+import socket
+from datetime import datetime
+
+import requests
+import dns.resolver
+from OpenSSL import crypto
+
+URL = "https://mithal.space"
+SEARCH_URL = "https://mithal.space"
+
+CSV_FILE = "metrics.csv"
+
+if not os.path.exists(CSV_FILE):
+    with open(CSV_FILE, "w", newline="") as file:
+        writer = csv.writer(file)
+        writer.writerow([
+            "timestamp",
+            "latency_ms",
+            "status_code",
+            "ssl_days_left",
+            "dns_ms",
+            "search_ms"
+        ])
+
+while True:
+
+    timestamp = datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S")
+
+    # HTTP Latency + Uptime
+    try:
+        start = time.time()
+        response = requests.get(URL, timeout=10)
+        latency = round((time.time() - start) * 1000, 2)
+        status = response.status_code
+    except:
+        latency = -1
+        status = 0
+
+    # SSL
+    try:
+        cert = ssl.get_server_certificate(("mithal.space", 443))
+        cert = crypto.load_certificate(
+            crypto.FILETYPE_PEM,
+            cert
+        )
+
+        expire = datetime.strptime(
+            cert.get_notAfter().decode(),
+            "%Y%m%d%H%M%SZ"
+        )
+
+        ssl_days = (expire - datetime.utcnow()).days
+
+    except:
+        ssl_days = -1
+
+    # DNS
+    try:
+        start = time.time()
+        dns.resolver.resolve("mithal.space", "A")
+        dns_time = round((time.time() - start) * 1000, 2)
+    except:
+        dns_time = -1
+
+    # Search
+    try:
+        start = time.time()
+        requests.get(
+            SEARCH_URL,
+            params={"q": "cloud"},
+            timeout=10
+        )
+        search_time = round((time.time() - start) * 1000, 2)
+    except:
+        search_time = -1
+
+    with open(CSV_FILE, "a", newline="") as file:
+        writer = csv.writer(file)
+        writer.writerow([
+            timestamp,
+            latency,
+            status,
+            ssl_days,
+            dns_time,
+            search_time
+        ])
+
+    print(timestamp, status, latency)
+
+    time.sleep(60)