common

Documentation

Index

• Constants
• Variables
• func IsCommandExecError(err error) bool
• func IsDomainNotExist(err error) bool
• func NsLookup(domain string, qtype uint16, net, dnsServerAddr string) (*dns.Msg, error)
• func ReadCache(domain string, qtype uint16) []dns.RR
• func SetupDnsServer(dnsHandler dns.Handler, port int, net string) error
• func WriteCache(domain string, qtype uint16, answer []dns.RR)
• type CommandExecError
  • func (e CommandExecError) Error() string
• type DomainNotExistError
  • func (e DomainNotExistError) Error() string
• type NsEntry

Constants

const (
	// Localhost ip of localhost
	Localhost = "127.0.0.1"
	// YyyyMmDdHhMmSs timestamp format
	YyyyMmDdHhMmSs = "2006-01-02 15:04:05"
	// StandardSshPort standard ssh port
	StandardSshPort = 22
	// StandardDnsPort standard dns port
	StandardDnsPort = 53

	// EnvVarLocalDomains environment variable for local domain config
	EnvVarLocalDomains = "KT_LOCAL_DOMAIN"
	// EnvVarDnsProtocol environment variable for shadow pod dns protocol
	EnvVarDnsProtocol = "KT_DNS_PROTOCOL"
	// EnvVarLogLevel environment variable for shadow pod log level
	EnvVarLogLevel = "KT_LOG_LEVEL"
)

const Eol = "\n"

const FieldDomain = "domain"

const FieldNameserver = "nameserver"

const FieldSearch = "search"

const HostsFilePath = "/etc/hosts"

const ResolvConf = "/etc/resolv.conf"

Variables

var KtHome = fmt.Sprintf("%s/.ktctl", UserHome)

var UserHome = os.Getenv("HOME")

Functions

func IsCommandExecError

func IsCommandExecError(err error) bool

IsCommandExecError check the error type

func IsDomainNotExist

func IsDomainNotExist(err error) bool

IsDomainNotExist check the error type

func NsLookup

func NsLookup(domain string, qtype uint16, net, dnsServerAddr string) (*dns.Msg, error)

NsLookup query domain record, dnsServerAddr use '<ip>:<port>' format

func ReadCache

func ReadCache(domain string, qtype uint16) []dns.RR

ReadCache fetch from cache

func SetupDnsServer

func SetupDnsServer(dnsHandler dns.Handler, port int, net string) error

SetupDnsServer start dns server on specified port

func WriteCache

func WriteCache(domain string, qtype uint16, answer []dns.RR)

WriteCache record to cache

Types

type CommandExecError

type CommandExecError struct {
	Reason string
}

CommandExecError ...

func (CommandExecError) Error

func (e CommandExecError) Error() string

type DomainNotExistError

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

DomainNotExistError ...

func (DomainNotExistError) Error

func (e DomainNotExistError) Error() string

type NsEntry

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