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Measure and expose DNS programming latency from Kubernetes plugin. (#3171)

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For now metric is measure only for headless services. Informer has been slighlty
refactored, so the code can measure latency without storing extra fields on
Endpoint struct.

Signed-off-by: Janek Łukaszewicz <janluk@google.com>

Suggestions from code review

Co-Authored-By: Chris O'Haver <cohaver@infoblox.com>
This commit is contained in:
janluk
2019-10-04 17:48:43 +02:00
committed by Miek Gieben
parent 03ea2ae955
commit d7cdb992b4
11 changed files with 330 additions and 37 deletions
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14
plugin/kubernetes/object/pod.go
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@@ -16,8 +16,14 @@ type Pod struct {
*Empty
}
// ToPod converts an api.Pod to a *Pod.
func ToPod(obj interface{}) interface{} {
// ToPod returns a function that converts an api.Pod to a *Pod.
func ToPod(skipCleanup bool) ToFunc {
return func(obj interface{}) interface{} {
return toPod(skipCleanup, obj)
}
}
func toPod(skipCleanup bool, obj interface{}) interface{} {
pod, ok := obj.(*api.Pod)
if !ok {
return nil
@@ -35,7 +41,9 @@ func ToPod(obj interface{}) interface{} {
return nil
}
*pod = api.Pod{}
if !skipCleanup {
*pod = api.Pod{}
}
return p
}