dns

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v1.2.0 Latest Latest Go to latest Published: Nov 7, 2025 License: Apache-2.0 Imports: 19 Imported by: 0

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Repository

github.com/gravitl/netclient

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Documentation ¶

Rendered for

Index ¶

Constants
Variables
func FindDnsAns(domain string) []net.IP
func FlushLocalDnsCache() (err error)
func InitDNSConfig()
func RestoreDNSConfig() (err error)
func SetupDNSConfig() (err error)
func SyncDNS(network string, dnsEntries []models.DNSEntry) error
type DNSConfig
type DNSResolver
- func GetDNSResolverInstance() *DNSResolver
type DNSServer
- func GetDNSServerInstance() *DNSServer
- func (dnsServer *DNSServer) Start()
- func (dnsServer *DNSServer) Stop()

Constants ¶

View Source

const (
	DNS_MANAGER_STUB             = "stub"        // '/run/systemd/resolve/stub-resolv.conf'
	DNS_MANAGER_UPLINK           = "uplink"      // '/run/systemd/resolve/resolv.conf'
	DNS_MANAGER_RESOLVECONF      = "resolveconf" // 'generated by resolvconf(8)'
	DNS_MANAGER_FILE             = "file"        // other than above
	DNS_MANAGER_WINDOWS_REGISTRY = "registry"    // for Windows machines
)

Variables ¶

View Source

var (
	ErrNXDomain      = errors.New("non existent domain")
	ErrNoQTypeRecord = errors.New("domain exists but no record matching the question type")
)

Functions ¶

func FindDnsAns ¶ added in v1.1.0

func FindDnsAns(domain string) []net.IP

func FlushLocalDnsCache ¶

func FlushLocalDnsCache() (err error)

Flush local DNS cache

func InitDNSConfig ¶

func InitDNSConfig()

Entry point to read current DNS settings and write to config

func RestoreDNSConfig ¶

func RestoreDNSConfig() (err error)

Entry point to restore DNS settings

func SetupDNSConfig ¶

func SetupDNSConfig() (err error)

Entry point to setup DNS settings

func SyncDNS ¶

func SyncDNS(network string, dnsEntries []models.DNSEntry) error

Sync up the DNS entries with NM server

Types ¶

type DNSConfig ¶

type DNSConfig struct {
	DefaultDomain string `json:"default_domain"`
	DNSSearch     string `json:"dns_search"`
}

type DNSResolver ¶

type DNSResolver struct {
	DnsEntriesCacheStore map[string]dns.RR
	DnsEntriesCacheMap   map[string][]dnsRecord
}

var DnsResolver *DNSResolver

func GetDNSResolverInstance ¶

func GetDNSResolverInstance() *DNSResolver

GetInstance

func (*DNSResolver) Lookup ¶

func (d *DNSResolver) Lookup(m *dns.Msg) (dns.RR, error)

Lookup DNS entry in local directory

func (*DNSResolver) RegisterA ¶

func (d *DNSResolver) RegisterA(record dnsRecord) error

Register A record

func (*DNSResolver) RegisterAAAA ¶

func (d *DNSResolver) RegisterAAAA(record dnsRecord) error

Register AAAA record

type DNSServer ¶

type DNSServer struct {
	DnsServer []*dns.Server
	AddrList  []string
	AddrStr   string
}

func GetDNSServerInstance ¶

func GetDNSServerInstance() *DNSServer

GetInstance

func (*DNSServer) Start ¶

func (dnsServer *DNSServer) Start()

Start the DNS listener

func (*DNSServer) Stop ¶

func (dnsServer *DNSServer) Stop()

Stop the DNS listener

Source Files ¶

View all Source files

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