dnssrv

package
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Published: Jun 24, 2019 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

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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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