func main()

in golang/gocql/connection-sigv4/main.go [35:74]

• 27 lines of code
• 4 McCabe index (conditional complexity)

func main() {

	//Determine Contact Point
	contactPoint := fmt.Sprintf("cassandra.%s.amazonaws.com:9142", awsRegion)
	fmt.Println("Using Contact Point ", contactPoint)

	// Configure Cluster
	cluster := gocql.NewCluster(contactPoint)

	awsAuth := sigv4.NewAwsAuthenticator()
	cluster.Authenticator = awsAuth

	// Configure Connection TrustStore for TLS
	cluster.SslOpts = &gocql.SslOptions{
		CaPath: "certs/sf-class2-root.crt",
	}

	cluster.Consistency = gocql.LocalQuorum
	cluster.DisableInitialHostLookup = true

	cassandraSession, err := cluster.CreateSession()
	if err != nil {
		fmt.Println("Cassandra Session Creation Error - ", err)
		os.Exit(-2)
	}

	defer cassandraSession.Close()

	// Perform Query
	var keyspaceName string
	iter := cassandraSession.Query("SELECT keyspace_name FROM system_schema.keyspaces;").Iter()
	defer iter.Close()

	for iter.Scan(&keyspaceName) {
		fmt.Println("keyspace_name : ", keyspaceName)
	}
	if err := iter.Close(); err != nil {
		log.Fatal(err)
	}
}