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39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package middleware
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import (
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"context"
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"strings"
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"go.opencensus.io/plugin/ocgrpc"
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"go.opencensus.io/trace"
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"google.golang.org/grpc"
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"google.golang.org/grpc/stats"
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"github.com/caos/zitadel/internal/api"
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"github.com/caos/zitadel/internal/tracing"
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)
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type GRPCMethod string
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func TracingStatsClient(ignoredMethods ...GRPCMethod) grpc.DialOption {
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return grpc.WithStatsHandler(&tracingClientHandler{ignoredMethods, ocgrpc.ClientHandler{StartOptions: trace.StartOptions{Sampler: tracing.Sampler(), SpanKind: trace.SpanKindClient}}})
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}
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func DefaultTracingStatsClient() grpc.DialOption {
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return TracingStatsClient(api.Healthz, api.Readiness, api.Validation)
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}
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type tracingClientHandler struct {
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IgnoredMethods []GRPCMethod
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ocgrpc.ClientHandler
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}
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func (s *tracingClientHandler) TagRPC(ctx context.Context, tagInfo *stats.RPCTagInfo) context.Context {
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for _, method := range s.IgnoredMethods {
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if strings.HasSuffix(tagInfo.FullMethodName, string(method)) {
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return ctx
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}
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}
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return s.ClientHandler.TagRPC(ctx, tagInfo)
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}
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