rfc2136

package
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Published: Nov 23, 2022 License: MIT Imports: 8 Imported by: 0

Documentation

Overview

Package rfc2136 implements a DNS provider for solving the DNS-01 challenge using the rfc2136 dynamic update.

Index

Constants

View Source
const (
	EnvTSIGKey       = envNamespace + "TSIG_KEY"
	EnvTSIGSecret    = envNamespace + "TSIG_SECRET"
	EnvTSIGAlgorithm = envNamespace + "TSIG_ALGORITHM"
	EnvNameserver    = envNamespace + "NAMESERVER"
	EnvDNSTimeout    = envNamespace + "DNS_TIMEOUT"

	EnvTTL                = envNamespace + "TTL"
	EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
	EnvPollingInterval    = envNamespace + "POLLING_INTERVAL"
	EnvSequenceInterval   = envNamespace + "SEQUENCE_INTERVAL"
)

Environment variables names.

Variables

This section is empty.

Functions

This section is empty.

Types

type Config

type Config struct {
	Nameserver         string
	TSIGAlgorithm      string
	TSIGKey            string
	TSIGSecret         string
	PropagationTimeout time.Duration
	PollingInterval    time.Duration
	TTL                int
	SequenceInterval   time.Duration
	DNSTimeout         time.Duration
}

Config is used to configure the creation of the DNSProvider.

func NewDefaultConfig

func NewDefaultConfig() *Config

NewDefaultConfig returns a default configuration for the DNSProvider.

type DNSProvider

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

DNSProvider implements the challenge.Provider interface.

func NewDNSProvider

func NewDNSProvider() (*DNSProvider, error)

NewDNSProvider returns a DNSProvider instance configured for rfc2136 dynamic update. Configured with environment variables: RFC2136_NAMESERVER: Network address in the form "host" or "host:port". RFC2136_TSIG_ALGORITHM: Defaults to hmac-md5.sig-alg.reg.int. (HMAC-MD5). See https://github.com/miekg/dns/blob/master/tsig.go for supported values. RFC2136_TSIG_KEY: Name of the secret key as defined in DNS server configuration. RFC2136_TSIG_SECRET: Secret key payload. RFC2136_PROPAGATION_TIMEOUT: DNS propagation timeout in time.ParseDuration format. (60s) To disable TSIG authentication, leave the RFC2136_TSIG* variables unset.

func NewDNSProviderConfig

func NewDNSProviderConfig(config *Config) (*DNSProvider, error)

NewDNSProviderConfig return a DNSProvider instance configured for rfc2136.

func (*DNSProvider) CleanUp

func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error

CleanUp removes the TXT record matching the specified parameters.

func (*DNSProvider) Present

func (d *DNSProvider) Present(domain, token, keyAuth string) error

Present creates a TXT record using the specified parameters.

func (*DNSProvider) Sequential

func (d *DNSProvider) Sequential() time.Duration

Sequential All DNS challenges for this provider will be resolved sequentially. Returns the interval between each iteration.

func (*DNSProvider) Timeout

func (d *DNSProvider) Timeout() (timeout, interval time.Duration)

Timeout returns the timeout and interval to use when checking for DNS propagation. Adjusting here to cope with spikes in propagation times.

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