Allow grpc server for plugins to handle large messages

Fixes #4957 I think
hashicorp · Jul 19, 2018 · 8cba8e0 · 8cba8e0
1 parent 4bd42b4
commit 8cba8e0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/logical/plugin/grpc_backend_client.go b/logical/plugin/grpc_backend_client.go
@@ -3,6 +3,7 @@ package plugin
 import (
 	"context"
 	"errors"
+	"math"
 	"sync/atomic"
 
 	"google.golang.org/grpc"
@@ -195,6 +196,8 @@ func (b *backendGRPCPluginClient) Setup(ctx context.Context, config *logical.Bac
 
 	// Register the server in this closure.
 	serverFunc := func(opts []grpc.ServerOption) *grpc.Server {
+		opts = append(opts, grpc.MaxSendMsgSize(math.MaxInt32))
+		opts = append(opts, grpc.MaxRecvMsgSize(math.MaxInt32))
 		s := grpc.NewServer(opts...)
 		pb.RegisterSystemViewServer(s, sysView)
 		pb.RegisterStorageServer(s, storage)