discovery

Documentation

Overview

Package discovery provides service discovery basics.

Index

• type Consul
  • func NewConsul(client *api.Client, service string) *Consul
  • func NewConsulFromConfig(config *types.ConsulSDConfig) (*Consul, error)
  • func (c *Consul) DiscoverTargets(ctx context.Context) ([]string, error)
• type Discoverer
  • func NewFromConfig(t *types.TargetGroup) (Discoverer, error)

Types

type Consul

type Consul struct {
	Client  *api.Client
	Service string

	Datacenter string // Consul datacenter (dc param)
	Filter     string // Consul filter expression (filter param)
}

Consul service discovery backend

func NewConsul

func NewConsul(client *api.Client, service string) *Consul

NewConsul creates a new service discovery provider for Solana cluster

func NewConsulFromConfig

func NewConsulFromConfig(config *types.ConsulSDConfig) (*Consul, error)

NewConsulFromConfig invokes NewConsul using typed config.

func (*Consul) DiscoverTargets

func (c *Consul) DiscoverTargets(ctx context.Context) ([]string, error)

DiscoverTargets queries Consul Catalog API to find nodes. Returns a list of targets referred to by IP addresses.

type Discoverer

type Discoverer interface {
	DiscoverTargets(ctx context.Context) ([]string, error)
}

Discoverer returns a list of host:port combinations for all targets.

func NewFromConfig

func NewFromConfig(t *types.TargetGroup) (Discoverer, error)

NewFromConfig attempts to create a discoverer from config.