Method setupThanosTracing

pkg/cortex/cortex.go:403–406

setupThanosTracing appends a gRPC middleware used to inject our tracer into the custom context used by Thanos, in order to get Thanos spans correctly attached to our traces.

()

// setupThanosTracing appends a gRPC middleware used to inject our tracer into the custom
// context used by Thanos, in order to get Thanos spans correctly attached to our traces.
func (t *Cortex) setupThanosTracing() {
	t.Cfg.Server.GRPCMiddleware = append(t.Cfg.Server.GRPCMiddleware, ThanosTracerUnaryInterceptor)
	t.Cfg.Server.GRPCStreamMiddleware = append(t.Cfg.Server.GRPCStreamMiddleware, ThanosTracerStreamInterceptor)
}

// setupGRPCHeaderForwarding appends a gRPC middleware used to enable the propagation of
// HTTP Headers through child gRPC calls