c/b/b/reflection: support bigint OSInstallationRequest

Change-Id: Id677ec97f2acd8102bb0e8a5366d54db8dd53d13
Reviewed-on: https://review.monogon.dev/c/monogon/+/1604
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/cloud/bmaas/bmdb/reflection/schema.go b/cloud/bmaas/bmdb/reflection/schema.go
index b869f8a..30ce6c4 100644
--- a/cloud/bmaas/bmdb/reflection/schema.go
+++ b/cloud/bmaas/bmdb/reflection/schema.go
@@ -76,7 +76,8 @@
 // Just mapping from column name is fine enough for now as we have mostly unique
 // column names, and these column names uniquely map to a single type.
 var knownProtoFields = map[string]proto.Message{
-	"hardware_report_raw": &api.AgentHardwareReport{},
+	"hardware_report_raw":         &api.AgentHardwareReport{},
+	"os_installation_request_raw": &api.OSInstallationRequest{},
 }
 
 // HumanType returns a human-readable representation of the field's type. This is
@@ -92,6 +93,8 @@
 		return "timestamp"
 	case "bytea":
 		return "bytes"
+	case "bigint":
+		return "int"
 	default:
 		return r.NativeType
 	}