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8d3418c015
Add a Reverse method to BackendService because different backends want to to do diff. things. This allows etc/k8s to share even more code and we can unify the PTR handling.
34 lines
1.2 KiB
Go
34 lines
1.2 KiB
Go
package middleware
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import (
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"github.com/miekg/coredns/middleware/etcd/msg"
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"github.com/miekg/coredns/request"
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"github.com/miekg/dns"
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)
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// ServiceBackend defines a (dynamic) backend that returns a slice of service definitions.
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type ServiceBackend interface {
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// Services communicates with the backend to retrieve the service defintion. Exact indicates
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// on exact much are that we are allowed to recurs.
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Services(state request.Request, exact bool, opt Options) ([]msg.Service, []msg.Service, error)
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// Reverse communicates with the backend to retrieve service definition based on a IP address
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// instead of a name. I.e. a reverse DNS lookup.
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Reverse(state request.Request, exact bool, opt Options) ([]msg.Service, []msg.Service, error)
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// Lookup is used to find records else where.
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Lookup(state request.Request, name string, typ uint16) (*dns.Msg, error)
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// IsNameError return true if err indicated a record not found condition
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IsNameError(err error) bool
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// Debug returns a string used when returning debug services.
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Debug() string
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}
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// Options are extra options that can be specified for a lookup.
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type Options struct {
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Debug string // This is a debug query. A query prefixed with debug.o-o
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}
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