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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
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import (
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"context"
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"github.com/coredns/coredns/plugin/metadata"
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"github.com/coredns/coredns/request"
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)
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// Metadata implements the metadata.Provider interface.
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func (k *Kubernetes) Metadata(ctx context.Context, state request.Request) context.Context {
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// possible optimization: cache r so it doesn't need to be calculated again in ServeDNS
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r, err := parseRequest(state)
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if err != nil {
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metadata.SetValueFunc(ctx, "kubernetes/parse-error", func() string {
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return err.Error()
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})
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return ctx
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}
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metadata.SetValueFunc(ctx, "kubernetes/port-name", func() string {
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return r.port
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})
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metadata.SetValueFunc(ctx, "kubernetes/protocol", func() string {
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return r.protocol
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})
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metadata.SetValueFunc(ctx, "kubernetes/endpoint", func() string {
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return r.endpoint
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})
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metadata.SetValueFunc(ctx, "kubernetes/service", func() string {
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return r.service
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})
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metadata.SetValueFunc(ctx, "kubernetes/namespace", func() string {
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return r.namespace
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})
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metadata.SetValueFunc(ctx, "kubernetes/kind", func() string {
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return r.podOrSvc
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})
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pod := k.podWithIP(state.IP())
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if pod == nil {
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return ctx
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}
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metadata.SetValueFunc(ctx, "kubernetes/client-namespace", func() string {
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return pod.Namespace
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})
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metadata.SetValueFunc(ctx, "kubernetes/client-pod-name", func() string {
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return pod.Name
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})
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return ctx
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}
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