def describe_cluster()

in projects/enable-irsa/src/main.py [0:0]

• 20 lines of code
• 2 McCabe index (conditional complexity)

def describe_cluster(ClusterName: str):
    print('Obtaining OIDC URL and thumbprint.')
    try:
        api_response = eks.describe_cluster(name=ClusterName)
    except eks.exceptions.ResourceNotFoundException as e:
        print('Cluster {} does not exist.').format(ClusterName)

    cluster = Cluster(**api_response['cluster'])
    oidc_url = cluster.issuer
    response = request('GET', oidc_url + "/.well-known/openid-configuration", verify=True)
    jwks_uri = json.loads(response.text)['jwks_uri']
    hostname = parse.urlparse(jwks_uri).hostname
    ctx = SSL.Context(SSL.TLSv1_2_METHOD)
    sock = socket.socket()
    conn = SSL.Connection(ctx, sock)
    conn.connect((hostname, 443))
    conn.set_connect_state()
    conn.do_handshake()
    certs = conn.get_peer_cert_chain()
    thumbprint = certs[-1].digest('sha1').decode('utf-8').replace(':', "")

    return cluster, thumbprint