dnssrv

package
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Published: Mar 19, 2018 License: MIT Imports: 6 Imported by: 0

Documentation

Overview

Package dnssrv provides an Instancer implementation for DNS SRV records.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Instancer added in v0.5.0

type Instancer struct {
	// contains filtered or unexported fields
}

Instancer yields instances from the named DNS SRV record. The name is resolved on a fixed schedule. Priorities and weights are ignored.

func NewInstancer added in v0.5.0

func NewInstancer(
	name string,
	ttl time.Duration,
	logger log.Logger,
) *Instancer

NewInstancer returns a DNS SRV instancer.

func NewInstancerDetailed added in v0.5.0

func NewInstancerDetailed(
	name string,
	refresh *time.Ticker,
	lookup Lookup,
	logger log.Logger,
) *Instancer

NewInstancerDetailed is the same as NewInstancer, but allows users to provide an explicit lookup refresh ticker instead of a TTL, and specify the lookup function instead of using net.LookupSRV.

func (*Instancer) Deregister added in v0.5.0

func (s *Instancer) Deregister(ch chan<- sd.Event)

Deregister implements Instancer.

func (*Instancer) Register added in v0.5.0

func (s *Instancer) Register(ch chan<- sd.Event)

Register implements Instancer.

func (*Instancer) Stop added in v0.5.0

func (p *Instancer) Stop()

Stop terminates the Instancer.

type Lookup

type Lookup func(service, proto, name string) (cname string, addrs []*net.SRV, err error)

Lookup is a function that resolves a DNS SRV record to multiple addresses. It has the same signature as net.LookupSRV.

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