dns

Documentation

Overview

Package dns resolves ip addresses to hostnames

Index

• type CacheStats
• type Resolver
  • func NewDNSResolver(cfg *config.Config, statsdClient statsd.ClientInterface) (*Resolver, error)
  • func (r *Resolver) AddNew(hostname string, ip netip.Addr)
  • func (r *Resolver) AddNewCname(cname string, hostname string)
  • func (r *Resolver) HostListFromIP(addr netip.Addr) []string
  • func (r *Resolver) SendStats() error

Types

type CacheStats

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

CacheStats defines metrics for the LRU

type Resolver

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

Resolver defines a DNS resolver

func NewDNSResolver

func NewDNSResolver(cfg *config.Config, statsdClient statsd.ClientInterface) (*Resolver, error)

NewDNSResolver returns a new resolver

func (*Resolver) AddNew

func (r *Resolver) AddNew(hostname string, ip netip.Addr)

AddNew add new ip address to the resolver cache

func (*Resolver) AddNewCname

func (r *Resolver) AddNewCname(cname string, hostname string)

AddNewCname add new cname alias to the cache

func (*Resolver) HostListFromIP

func (r *Resolver) HostListFromIP(addr netip.Addr) []string

HostListFromIP gets a hostname from an IP address if cached

func (*Resolver) SendStats

func (r *Resolver) SendStats() error

SendStats sends the DNS resolver metrics