mirror of
https://github.com/coredns/coredns.git
synced 2025-10-29 01:04:15 -04:00
ffcd2f61cf
* Publish metadata from kubernetes plugin * stickler fix * Add a couple tests * Add metadata section to README * Update plugin/kubernetes/README.md Co-Authored-By: Chris O'Haver <cohaver@infoblox.com> * Address nit
60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package kubernetes
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/coredns/coredns/plugin/metadata"
|
|
"github.com/coredns/coredns/request"
|
|
)
|
|
|
|
// Metadata implements the metadata.Provider interface.
|
|
func (k *Kubernetes) Metadata(ctx context.Context, state request.Request) context.Context {
|
|
// possible optimization: cache r so it doesn't need to be calculated again in ServeDNS
|
|
r, err := parseRequest(state)
|
|
if err != nil {
|
|
metadata.SetValueFunc(ctx, "kubernetes/parse-error", func() string {
|
|
return err.Error()
|
|
})
|
|
return ctx
|
|
}
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/port-name", func() string {
|
|
return r.port
|
|
})
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/protocol", func() string {
|
|
return r.protocol
|
|
})
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/endpoint", func() string {
|
|
return r.endpoint
|
|
})
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/service", func() string {
|
|
return r.service
|
|
})
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/namespace", func() string {
|
|
return r.namespace
|
|
})
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/kind", func() string {
|
|
return r.podOrSvc
|
|
})
|
|
|
|
pod := k.podWithIP(state.IP())
|
|
if pod == nil {
|
|
return ctx
|
|
}
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/client-namespace", func() string {
|
|
return pod.Namespace
|
|
})
|
|
|
|
metadata.SetValueFunc(ctx, "kubernetes/client-pod-name", func() string {
|
|
return pod.Name
|
|
})
|
|
|
|
return ctx
|
|
}
|