praefect enable-writes subcommand

Adds a subcommand for re-enabling writes to a virtual storage after
a failover event.

1 files changed, 16 insertions, 0 deletions

diff --git a/proto/praefect.proto b/proto/praefect.proto
index df4677ada..ee7f0eb52 100644
--- a/proto/praefect.proto
+++ b/proto/praefect.proto
@@ -35,8 +35,24 @@ service PraefectInfoService {
       scope_level: SERVER
     };
   }
+
+  // EnableWrites enables writes for a storage that was switched to a read-only mode
+  // following a failover.
+  rpc EnableWrites(EnableWritesRequest) returns (EnableWritesResponse) {
+    option (op_type) = {
+      op: MUTATOR
+      scope_level: STORAGE
+    };
+  }
 }
 
+message EnableWritesRequest {
+  // virtual_storage is the name of the virtual storage to enable writes for.
+  string virtual_storage = 1 [(storage)=true];
+}
+
+message EnableWritesResponse {}
+
 // DatalossCheckRequest fetches dead replica jobs from praefect.
 message DatalossCheckRequest {
   // from is an inclusive beginning of the timeframe the dead replica jobs are to be