can now hand out multiple ports

hap.py

@@ -1,9 +1,16 @@
 #!/usr/bin/env python3
 # "Have-A-Port" | ephemeral port picker for LoadBalancer-type Kubernetes services in clusters with a single-address external address pool
 from kubernetes import client, config
-import random
+import sys, random
 
 SVC_TYPE = 'LoadBalancer'
+PORT_COUNT = 1
+
+if len(sys.argv) > 1:
+    try:
+        PORT_COUNT = int(sys.argv[-1])
+    except:
+        sys.exit('optional positional parameter must be a number (default: 1)')
 
 # load client configuration (kubeconfig)
 config.load_kube_config()
@@ -21,5 +28,5 @@ used_ports = [svc_port.port for svc_ports in ports_per_svc for svc_port in svc_p
 full_port_range = (range(49152, 65536)) # https://tools.ietf.org/html/rfc6335#section-8.1.2
 available_ports = list(set(full_port_range) - set(used_ports))
 
-# pick an available port
-print(random.choice(available_ports))
+# pick available ports
+print(' '.join(map(str, random.sample(available_ports, PORT_COUNT))))