37 lines
1.4 KiB
Go
37 lines
1.4 KiB
Go
package middleware
|
|
|
|
import (
|
|
"github.com/coredns/coredns/middleware/etcd/msg"
|
|
"github.com/coredns/coredns/request"
|
|
|
|
"github.com/miekg/dns"
|
|
)
|
|
|
|
// ServiceBackend defines a (dynamic) backend that returns a slice of service definitions.
|
|
type ServiceBackend interface {
|
|
// Services communicates with the backend to retrieve the service definition. Exact indicates
|
|
// on exact much are that we are allowed to recurs.
|
|
Services(state request.Request, exact bool, opt Options) ([]msg.Service, []msg.Service, error)
|
|
|
|
// Reverse communicates with the backend to retrieve service definition based on a IP address
|
|
// instead of a name. I.e. a reverse DNS lookup.
|
|
Reverse(state request.Request, exact bool, opt Options) ([]msg.Service, []msg.Service, error)
|
|
|
|
// Lookup is used to find records else where.
|
|
Lookup(state request.Request, name string, typ uint16) (*dns.Msg, error)
|
|
|
|
// IsNameError return true if err indicated a record not found condition
|
|
IsNameError(err error) bool
|
|
|
|
// Debug returns a string used when returning debug services.
|
|
Debug() string
|
|
|
|
// Returns _all_ services that matches a certain name.
|
|
// Note: it does not implement a specific service.
|
|
Records(name string, exact bool) ([]msg.Service, error)
|
|
}
|
|
|
|
// Options are extra options that can be specified for a lookup.
|
|
type Options struct {
|
|
Debug string // This is a debug query. A query prefixed with debug.o-o
|
|
}
|