tcp connection 확인용 스크립트

 

eks tcp application pod에 대한 tcp 연결 테스트용 스크립트 작성

 

tcp_conn.py

import socket

def tcp_health_check(host, port):
    message = "!!!HEALTH_CHECK!!!"
    expected_responses = ["ok", "OK", "Ok"]
    
    try:
        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
            sock.connect((host, port))
            print(f"Connected to {host} on port {port}")
            sock.sendall(message.encode())
            print(f"Sent: {message}")
            response = sock.recv(1024).decode()
            print(f"Received: {response}")
            if response in expected_response:
                print("Health check passed: received expected response.")
            else:
                print("Health check failed: unexpected response.")
    
    except socket.error as e:
        print(f"Socket error: {e}")

# Target port and IP or hostname
eks_pod_ip = "<pod ip or hostname>"
port = <target port>

# execute health check
tcp_health_check(eks_pod_ip, port)