com.spotify.helios.agent

Class PortAllocator

java.lang.Object

com.spotify.helios.agent.PortAllocator

public class PortAllocator
extends Object

A simple port allocator.

Given a port range and a set of used ports it will randomly search through the port range until it finds an available port and claim it. Static ports are simply checked against the used ports.

Constructor Summary

Constructors

Constructor and Description
PortAllocator(int start, int end)

Method Summary

Modifier and Type	Method and Description
Map<String,Integer>	allocate(Map<String,com.spotify.helios.common.descriptors.PortMapping> ports, Set<Integer> used) Allocate ports for port mappings with no external ports configured.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PortAllocator

public PortAllocator(int start,
                     int end)

Method Detail

allocate

public Map<String,Integer> allocate(Map<String,com.spotify.helios.common.descriptors.PortMapping> ports,
                                    Set<Integer> used)

Allocate ports for port mappings with no external ports configured.

Parameters:

ports - A map of port mappings for a container, both with statically configured external ports and dynamic unconfigured external ports.

used - A set of used ports. The ports allocated will not clash with these ports.

Returns:

The allocated ports.