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Yecheng Fu 8ceb8f2ae8 Refactor Kubernetes Discovery Part 2: Refactoring ... - Do initial listing and syncing to scrape manager, then register event handlers may lost events happening in listing and syncing (if it lasted a long time). We should register event handlers at the very begining, before processing just wait until informers synced (sync in informer will list all objects and call OnUpdate event handler). - Use a queue then we don't block event callbacks and an object will be processed only once if added multiple times before it being processed. - Fix bug in `serviceUpdate` in endpoints.go, we should build endpoints when `exists && err == nil`. Add `^TestEndpointsDiscoveryWithService` tests to test this feature. Testing: - Use `k8s.io/client-go` testing framework and fake implementations which are more robust and reliable for testing. - `Test\w+DiscoveryBeforeRun` are used to test objects created before discoverer runs - `Test\w+DiscoveryAdd\w+` are used to test adding objects - `Test\w+DiscoveryDelete\w+` are used to test deleting objects - `Test\w+DiscoveryUpdate\w+` are used to test updating objects - `TestEndpointsDiscoveryWithService\w+` are used to test endpoints events triggered by services - `cache.DeletedFinalStateUnknown` related stuffs are removed, because we don't care deleted objects in store, we only need its name to send a specical `targetgroup.Group` to scrape manager Signed-off-by: Yecheng Fu <cofyc.jackson@gmail.com>		7 years ago
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endpoints.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
endpoints_test.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
ingress.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
ingress_test.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
kubernetes.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
kubernetes_test.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
node.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
node_test.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
pod.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
pod_test.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
service.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago
service_test.go	Refactor Kubernetes Discovery Part 2: Refactoring	7 years ago