From 56177ebce2797c0015c49775e6fdffd4153cc26f Mon Sep 17 00:00:00 2001
From: neuronull <neuronull@pm.me>
Date: Fri, 18 Aug 2023 11:14:20 -0600
Subject: [PATCH] fix(opentelemetry source): Remove the 4MB default for gRPC
 request decoding (#18306)

---
 src/sources/opentelemetry/mod.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/sources/opentelemetry/mod.rs b/src/sources/opentelemetry/mod.rs
index 234144dbd1a84..caeffa87e46d8 100644
--- a/src/sources/opentelemetry/mod.rs
+++ b/src/sources/opentelemetry/mod.rs
@@ -138,7 +138,10 @@ impl SourceConfig for OpentelemetryConfig {
             log_namespace,
             events_received: events_received.clone(),
         })
-        .accept_compressed(tonic::codec::CompressionEncoding::Gzip);
+        .accept_compressed(tonic::codec::CompressionEncoding::Gzip)
+        // Tonic added a default of 4MB in 0.9. This replaces the old behavior.
+        .max_decoding_message_size(usize::MAX);
+
         let grpc_source = run_grpc_server(
             self.grpc.address,
             grpc_tls_settings,