Q5

q5-mithal-monitor/monitor.py

@@ -0,0 +1,149 @@
+import requests
+import socket
+import ssl
+import time
+import json
+import os
+from datetime import datetime
+from urllib.parse import urlparse
+
+URL = "https://mithal.space"
+OUTPUT_FILE = "metrics.json"
+
+
+def http_check():
+    start = time.time()
+
+    try:
+        r = requests.get(URL, timeout=10)
+        latency = round((time.time() - start) * 1000, 2)
+        return r.status_code, latency
+    except:
+        latency = round((time.time() - start) * 1000, 2)
+        return 0, latency
+
+
+def dns_lookup():
+    host = urlparse(URL).hostname
+
+    start = time.time()
+
+    try:
+        socket.gethostbyname(host)
+    except:
+        pass
+
+    return round((time.time() - start) * 1000, 2)
+
+
+def ssl_info():
+
+    host = urlparse(URL).hostname
+
+    try:
+
+        ctx = ssl.create_default_context()
+
+        with socket.create_connection((host,443),timeout=10) as sock:
+
+            with ctx.wrap_socket(sock,server_hostname=host) as ssock:
+
+                cert = ssock.getpeercert()
+
+        expiry = datetime.strptime(
+            cert["notAfter"],
+            "%b %d %H:%M:%S %Y %Z"
+        )
+
+        days = (expiry-datetime.utcnow()).days
+
+        return expiry.strftime("%Y-%m-%d"),days
+
+    except:
+
+        return "Unavailable",-1
+
+
+def search_response():
+
+    start=time.time()
+
+    try:
+        requests.get(URL,timeout=10)
+    except:
+        pass
+
+    return round((time.time()-start)*1000,2)
+
+
+if os.path.exists(OUTPUT_FILE):
+
+    with open(OUTPUT_FILE,"r") as f:
+
+        data=json.load(f)
+
+else:
+
+    data={
+
+        "history":[]
+
+    }
+
+status,latency=http_check()
+
+record={
+
+"time":datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
+
+"status":status,
+
+"latency":latency,
+
+"dns":dns_lookup(),
+
+"search_latency":search_response()
+
+}
+
+ssl_date,ssl_days=ssl_info()
+
+record["ssl_expiry"]=ssl_date
+record["ssl_days_left"]=ssl_days
+
+data["history"].append(record)
+
+if len(data["history"])>1440:
+
+    data["history"]=data["history"][-1440:]
+
+success=len([x for x in data["history"] if x["status"]==200])
+
+uptime=round(success/len(data["history"])*100,2)
+
+output={
+
+"uptime":uptime,
+
+"last_check":record,
+
+"history":data["history"][-10:],
+
+"latency_chart":[x["latency"] for x in data["history"][-60:]]
+
+}
+
+with open(OUTPUT_FILE,"w") as f:
+
+    json.dump(output,f,indent=4)
+
+print("="*40)
+print("Mithal Monitoring")
+print("="*40)
+print("Status :",status)
+print("Latency :",latency,"ms")
+print("DNS :",record["dns"],"ms")
+print("Search :",record["search_latency"],"ms")
+print("SSL Expiry :",ssl_date)
+print("Days Left :",ssl_days)
+print("Uptime :",uptime,"%")