gossip

README

Gossip Registry

Gossip is a zero dependency registry which uses hashicorp/memberlist to broadcast registry information via the SWIM protocol.

Usage

Start with the registry flag or env var

MICRO_REGISTRY=gossip go run service.go

On startup you'll see something like

2018/12/06 18:17:48 Registry Listening on 192.168.1.65:56390

To join this gossip ring set the registry address using flag or env var

MICRO_REGISTRY_ADDRESS= 192.168.1.65:56390 

Documentation

Overview

Package Gossip provides a gossip registry based on hashicorp/memberlist

Index

• Variables
• func Address(a string) registry.Option
• func Advertise(a string) registry.Option
• func Config(c *memberlist.Config) registry.Option
• func NewRegistry(opts ...registry.Option) registry.Registry
• func Secret(k []byte) registry.Option

Variables

var (
	// You should change this if using secure
	DefaultSecret = []byte("micro-gossip-key") // exactly 16 bytes
	ExpiryTick    = time.Second * 5
)

Functions

func Address

func Address(a string) registry.Option

Address to bind to - host:port

func Advertise

func Advertise(a string) registry.Option

The address to advertise for other gossip members - host:port

func Config

func Config(c *memberlist.Config) registry.Option

Config allow to inject a *memberlist.Config struct for configuring gossip

func NewRegistry

func NewRegistry(opts ...registry.Option) registry.Registry

func Secret

func Secret(k []byte) registry.Option

Secret specifies an encryption key. The value should be either 16, 24, or 32 bytes to select AES-128, AES-192, or AES-256.