Connections to the daemon were left on gRPC's own defaults, which cap a received
message at 4 MB. A detailed status carries an entry per peer, so on a large
deployment the response outgrows that cap and the command fails outright:
netbird status -d
Error: status failed: grpc: received message larger than max (4287609 vs. 4194304)
The limit is raised where the daemon dial options are built, so every caller
inherits it: the CLI, the desktop UI, the JSON gateway, and the SSH client and
proxy. It is overridable through NB_DAEMON_GRPC_MAX_MSG_SIZE for a deployment
that outgrows the new default too, mirroring what the management client already
does with NB_MANAGEMENT_GRPC_MAX_MSG_SIZE, and reusing its 16 MB default.
Only the receive direction needs raising. Requests to the daemon are small, and
gRPC does not cap the send side by default, so the daemon could already send a
response the caller then refused to read.
Riccardo Manfrin
aa1e66cc88