fix(hydrator): increase max msg size (#23190)

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

commitserver/apiclient/clientset.go

@@ -2,6 +2,10 @@ package apiclient
 
 import (
 	"fmt"
+	"math"
+
+	"github.com/argoproj/argo-cd/v3/common"
+	"github.com/argoproj/argo-cd/v3/util/env"
 
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/grpc"
@@ -10,6 +14,9 @@ import (
 	utilio "github.com/argoproj/argo-cd/v3/util/io"
 )
 
+// MaxGRPCMessageSize contains max grpc message size
+var MaxGRPCMessageSize = env.ParseNumFromEnv(common.EnvGRPCMaxSizeMB, 100, 0, math.MaxInt32) * 1024 * 1024
+
 // Clientset represents commit server api clients
 type Clientset interface {
 	NewCommitServerClient() (utilio.Closer, CommitServiceClient, error)

commitserver/server.go

@@ -25,7 +25,7 @@ func NewServer(gitCredsStore git.CredsStore, metricsServer *metrics.Server) *Arg
 
 // CreateGRPC creates a new gRPC server.
 func (a *ArgoCDCommitServer) CreateGRPC() *grpc.Server {
-	server := grpc.NewServer()
+	server := grpc.NewServer(grpc.MaxRecvMsgSize(apiclient.MaxGRPCMessageSize))
 	versionpkg.RegisterVersionServiceServer(server, version.NewServer(nil, func() (bool, error) {
 		return true, nil
 	}))