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Merge pull request #105069 from p0lyn0mial/upstream-etcd-client-retry

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etcd client starts retrying transient errors from the etcd cluster
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Kubernetes Prow Robot 2021-09-16 12:43:39 -07:00 committed by GitHub
commit 63e7ee43bb
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1 changed files with 7 additions and 2 deletions
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9
staging/src/k8s.io/apiserver/pkg/storage/storagebackend/factory/etcd3.go
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@ -137,8 +137,13 @@ func newETCD3Client(c storagebackend.TransportConfig) (*clientv3.Client, error)
}
dialOptions := []grpc.DialOption{
grpc.WithBlock(), // block until the underlying connection is up
grpc.WithUnaryInterceptor(grpcprom.UnaryClientInterceptor),
grpc.WithStreamInterceptor(grpcprom.StreamClientInterceptor),
// use chained interceptors so that the default (retry and backoff) interceptors are added.
// otherwise they will be overwritten by the metric interceptor.
//
// these optional interceptors will be placed after the default ones.
// which seems to be what we want as the metrics will be collected on each attempt (retry)
grpc.WithChainUnaryInterceptor(grpcprom.UnaryClientInterceptor),
grpc.WithChainStreamInterceptor(grpcprom.StreamClientInterceptor),
}
if utilfeature.DefaultFeatureGate.Enabled(genericfeatures.APIServerTracing) {
tracingOpts := []otelgrpc.Option{