27d893cf33
* Add ServiceBackend interface This adds a ServiceBackend interface that is shared between etcd/etcd3 (later) and kubernetes, leading to a massive reduction in code. When returning the specific records from their backend. Fixes #273
29 lines
977 B
Go
29 lines
977 B
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 communitates 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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// 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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